cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
title: A Systematic Mapping Study of Developer Social Network Research
Creators: name: Herbold, Steffen
name: Amirfallah, Aynur
name: Trautsch, Fabian
name: Grabowski, Jens
Publisher: name: Gesellschaft für Informatik e.V.
Year: 2020
Subjects: subject: Developer social networks
subject: Mapping study
subject: Literature survey

description: The article "A systematic mapping study of developer social network research" published in the Journal of Systems and Software in 2020 presents the results of a systematic mapping study of the state of the art of developer social network research. Developer social networks (DSNs) are a tool for the analysis of community structures and collaborations between developers in software projects and software ecosystems. We identified 255 primary studies on DSNs. We mapped the primary studies to research directions, collected information about the data sources and the size of the studies, and conducted a bibliometric assessment. We found that nearly half of the research investigates the structure of developer communities. Other frequent topics are prediction systems build using DSNs, collaboration behavior between developers, and the roles of developers. Moreover, we determined that many publications use a small sample size regarding the number of projects, which could be problematic for the external validity of the research. Our study uncovered several open issues in the state of the art, e.g., studying inter-company collaborations, using multiple information sources for DSN research, as well as general lack of reporting guidelines or replication studies.
Tail-Constraining Stochastic Linear-Quadratic Control: Large Deviation and Statistical Physics Approach
Creators: name: Chertkov, Michael
name: Kolokolov, Igor
name: Lebedev, Vladimir
Publisher: name: arXiv
Year: 2012
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Optimization and Control (math.OC)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: Standard definition of the stochastic Risk-Sensitive Linear-Quadratic (RS-LQ) control depends on the risk parameter, which is normally left to be set exogenously. We reconsider the classical approach and suggest two alternatives resolving the spurious freedom naturally. One approach consists in seeking for the minimum of the tail of the Probability Distribution Function (PDF) of the cost functional at some large fixed value. Another option suggests to minimize the expectation value of the cost functional under constraint on the value of the PDF tail. Under assumption of the resulting control stability, both problems are reduced to static optimizations over stationary control matrix. The solutions are illustrated on the examples of scalar and 1d chain (string) systems. Large Deviation self-similar asymptotic of the cost functional PDF is analyzed.
description: 11 pages
Development of a Monte Carlo re-weighting method for data fitting and application to measurement of neutral B meson oscillations
Creators: name: Asgeirsson, David J
Publisher: name: University of British Columbia
Year: 2011

description: In experimental particle physics, researchers must often construct a mathematical model of the experiment that can be used in fits to extract parameter values. With very large data sets, the statistical precision of measurements improves, and the required level of detail of the model increases. It can be extremely difficult or impossible to write a sufficiently precise analytical model for modern particle physics experiments. To avoid this problem, we have developed a new method for estimating parameter values from experimental data, using a Maximum Likelihood fit which compares the data distribution with a “Monte Carlo Template”, rather than an analytical model. In this technique, we keep a large number of simulated events in computer memory, and for each iteration of the fit, we use the stored true event and the current guess at the parameters to re-weight the event based on the probability functions of the underlying physical models. The re-weighted Monte-Carlo (MC) events are then used to recalculate the template histogram, and the process is repeated until convergence is achieved. We use simple probability functions for the underlying physical processes, and the complicated experimental resolution is modeled by a highly detailed MC simulation, instead of trying to capture all the details in an analytical form. We derive and explain in detail the “Monte-Carlo Re-Weighting” (MCRW) fit technique, and then apply it to the problem of measuring the neutral B meson mixing frequency. In this thesis, the method is applied to simulated data, to demonstrate the technique, and to indicate the results that could be expected when this analysis is performed on real data in the future.
title: Using METRIC to estimate surface energy fluxes over an alfalfa field in eastern Colorado
title: Hydrology days 2012
titleType: AlternativeTitle
title: AGU hydrology days 2012
titleType: AlternativeTitle
Creators: name: Mkhwanazi, Mcebisi M.
name: Chávez, José L.
name: Colorado State University, Publisher
Publisher: name: Mountain Scholar
Year: 2012

description: 2012 annual AGU hydrology days was held at Colorado State University on March 21 - March 23, 2012.
description: Includes bibliographical references.
description: The ability to estimate surface energy fluxes using remote sensing methods has enabled the determination of evapotranspiration over a large area with less cost. Several models that employ the energy balance method have been developed. The model discussed in this paper is the Mapping Evapotranspiration at high Resolution with Internalized Calibration (METRIC). It estimates net radiation (Rn), soil heat flux (G), sensible heat flux (H), and then determines latent heat flux (LE or ET) as a residual. Landsat 5 TM and Landsat 7 ETM images for the 2010 alfalfa growing season near Rocky Ford, CO, were processed and analyzed using Erdas Imagine 2010 Software. The accurate estimation of Rn and G is important as these two determine how much energy is available to be partitioned into H and LE. Hence, the focus on evaluating Rn, G and ET in this study. The results obtained from the processed images were compared with actual fluxes measured by instruments installed in the alfalfa field and performance indicators for each flux were determined. For Rn, the Mean Bias Error (MBE) was 17.8 W m-2 (3.3%), and the Root Mean Square Error (RMSE) was 22.1 W m-2 (4.1%), the Nash-Sutcliffe coefficient of Efficiency (NSE) value of 0.53 and R2 of 0.84. The G MBE was -3.0 W m-2 (-5.8%), RMSE of 14.2 Wm-2 (27.6%), NSE value of 0.79 and R2 of 0.96. Hourly ET resulted with an MBE of -0.08 mm h-1 (-10.3%) and an RMSE of 0.14 mm h-1 (17.6%), NSE of 0.71 and an R2 of 0.83. It was observed that the estimation of G had larger errors under smaller biomass surface conditions (e.g., when the alfalfa had just been harvested). However, overall the remote sensing model estimated well the heat fluxes and it seems to be suitable for applications at regional scales in hydrology studies.
title: Worldwide survey about social-network-based learning approach in radiology: preliminary results
Creators: name: Castiglione, Davide Giuseppe
Publisher: name: European Congress of Radiology
Year: 2020
Subjects: subject: Not applicable
subject: Observational
subject: Prospective
subject: Education and training
subject: eLearning
subject: Teleradiology
subject: eHealth
subject: Computer applications
subject: Imaging Informatics

description: Purpose Methods and materials Results Conclusion Personal information and conflict of interest References
description: Purpose: Social networks influence how we live, how we work, and now more than ever, how we learn. In fact, we live in the information society, in an era of rapid technological advancements and the digital revolution, where a lot of our daily activities take...
Near-optimal mean value estimates for multidimensional Weyl sums
Creators: name: Parsell, Scott T.
name: Prendiville, Sean M.
name: Wooley, Trevor D.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Number Theory (math.NT)
subject: FOS: Mathematics
subject: 11L15, 11L07, 11D45, 11D72, 11P55

description: We obtain sharp estimates for multidimensional generalisations of Vinogradov's mean value theorem for arbitrary translation-dilation invariant systems, achieving constraints on the number of variables approaching those conjectured to be the best possible. Several applications of our bounds are discussed.
HIV Risk Activity Among Persons With Severe Mental Illness: Preliminary Findings
Creators: name: Cournos, Francine
name: McKinnon, Karen M.
name: Meyer-Bahlburg, Heino F. L.
name: Guido, Jeannine R.
name: Meyer, Ilan
Publisher: name: Columbia University
Year: 1993
Subjects: HIV infections--Risk factors
Mentally ill
People with mental disabilities--Sexual behavior
Psychiatry

description: This paper reports on HIV-related risk activities among 95 people with severe mental illness in psychiatric care in New York City.
Reliability of sexual risk behavior interviews with psychiatric patients
Creators: name: McKinnon, Karen M.
name: Cournos, Francine
name: Meyer-Bahlburg, Heino F. L.
name: Guido, Jeannine R.
name: Caraballo, Louis R.
name: Margoshes, Elizabeth S.
name: Herman, Richard
name: Gruen, Rhoda
name: Exner, Theresa M.
Publisher: name: Columbia University
Year: 1993
Subjects: Psychiatric hospital patients
Interviewing in psychiatry
Unsafe sex
Reliability
Psychiatry

description: Test-retest interviews examining recent sexual activity were administered to 27 severely ill psychiatric patients after stabilization. Three reports were judged to be questionable. For the I6 sexually active patients among the remaining 24, high test-retest reliability was found for number of sexual partners, frequency of episodes, and proportions of episodes involving vaginal intercourse and use of condoms. The interviews did not exacerbate psychiatric symptoms.
title: Data-driven Risk Management for Requirements Engineering: An Automated Approach based on Bayesian Networks
Creators: name: Wiesweg, Florian
name: Vogelsang, Andreas
name: Mendez, Daniel
Publisher: name: Gesellschaft für Informatik e.V.
Year: 2020
Subjects: subject: Requirements Engineering
subject: Data-Driven RE
subject: Risk Management

description: This paper has been accepted at the 2020 IEEE Requirements Engineering Conference (RE). RE is a means to reduce the risk of delivering a product that does not fulfill the stakeholders' needs. Therefore, a major challenge in RE is to decide how much RE is needed and what RE methods to apply. The quality of such decisions is strongly based on the RE expert's experience and expertise in carefully analyzing the context and current state of a project. Recent work, however, shows that lack of experience and qualification are common causes for problems in RE. We trained a series of Bayesian Networks on data from the NaPiRE survey to model relationships between RE problems, their causes, and effects in projects with different contextual characteristics. These models were used to conduct (1) a post-mortem (diagnostic) analysis, deriving probable causes of sub-optimal RE performance, and (2) to conduct a preventive analysis, predicting probable issues a young project might encounter. The method was subject to a rigorous cross-validation procedure for both use cases before assessing its applicability to real-world scenarios with a case study.
Childhood Circumstances and Adult Outcomes: Act II
Creators: name: Almond, Douglas V.
name: Currie, Janet M.
name: Duque, Valentina
Publisher: name: Columbia University
Year: 2017
Subjects: Economics
Children
Life change events
Prenatal influences

description: That prenatal events can have life-long consequences is now well established. Nevertheless, research on the Fetal Origins Hypothesis is flourishing and has expanded to include the early childhood (postnatal) environment. Why does this literature have a “second act?” We summarize the major themes and contributions driving the empirical literature since our 2011 reviews, and try to interpret the literature in light of an overarching conceptual framework about how human capital is produced early in life. One major finding is that relatively mild shocks in early life can have substantial negative impacts, but that the effects are often heterogeneous reflecting differences in child endowments, budget constraints, and production technologies.  Moreover, shocks, investments, and interventions can interact in complex ways that are only beginning to be understood. Many advances in our knowledge are due to increasing accessibility of comprehensive administrative data that allow events in early life to be linked to long-term outcomes. Yet, we still know relatively little about the interval between, and thus about whether it would be feasible to identify and intervene with affected individuals at some point between early life and adulthood. We do know enough, however, to be able to identify some interventions that hold promise for improving child outcomes in early life and throughout the life course.
title: Verbesserung manueller Validierungsprozesse von CPS-Spezifikationen durch Review-Modelle auf Instanzebene
Creators: name: Daun, Marian
name: Brings, Jennifer
name: Weyer, Thorsten
Publisher: name: Gesellschaft für Informatik e.V.
Year: 2020
Subjects: subject: Manuelle Validierung
subject: Modellbasierte Entwicklung
subject: Experiment

description: Dieser Vortrag berichtet von dem Beitrag 'Do Instance-level Review Diagrams Support Validation Processes of Cyber-Physical System Specifications: Results from a Controlled Experiment,' der auf der IEEE/ACM International Conference on Software and System Processes (ICSSP) 2020 vorgestellt und in dem Konferenzband veröffentlicht wurde. Im Rahmen des Beitrags wurde untersucht, inwiefern manuelle Validierungsprozesse für cyber-physische Systeme durch die Erstellung von Review-Modellen auf Instanzebene verbessert werden können. Mit einem Experiment konnte gezeigt werden, dass die Wahl des Review-Modells (d.h., ob ein Modell auf Typebene oder auf Instanzebene untersucht wird) Auswirkungen auf die Qualität der Inspektion hat.
Assessment of the protected areas network in Madagascar for lemur conservation
Creators: name: Peacock, Heather
Publisher: name: University of Calgary
Year: 2011

description: Bibliography: p. 96-102
description: Some pages are in colour.
description: Includes 2 DVD-Rs containing appendices.
description: Protected areas (PAs) are a key aspect of biological conservation. In the past, PAs tended to be selected opportunistically, which sometimes led to inefficient reserve systems. Systematic conservation planning (SCP) scientifically assigns areas for reserves to meet specified conservation targets. The effectiveness of the PA network in Madagascar for lemur conservation was evaluated using Marxan (SCP software). Species ranges were predicted usmg Maxent (species distribution modeling software). Range maps were compiled to produce diversity estimates and used to inform species target settings for Marxan. An optimal reserve solution was generated and compared with the existing network. There was an overlap of only 50% indicating that the existing network is inefficient. An alternative solution based on expanding the current PA network was also generated. Only 29% of lemurs are adequately represented by the existing network. Expansion of the PA network by 142% is necessary to meet all conservation targets.
title: IS MRI DWI with ADC mapping useful to distinguish myxoid liposarcomas from soft tissue myxomas?
Creators: name: Weitz Morandini, Alain
Publisher: name: European Congress of Radiology
Year: 2020
Subjects: subject: Musculoskeletal
subject: Musculoskeletal soft tissue
subject: Musculoskeletal system
subject: MR
subject: MR-Diffusion/Perfusion
subject: Imaging sequences
subject: Cancer
subject: Retrospective
subject: Observational
subject: Performed at one institution

description: Purpose Methods and materials Results Conclusion Personal information and conflict of interest References
description: Purpose: Myxoid tumors include a heterogeneous and infrequent group of neoplasms of mesenchymal origin and can be benign or malignant. [2,4]. They have an abundant myxoid matrix produced by tumoral cells mainly composed of glycosaminoglycans that attract and...
title: Behavioral Interfaces for Executable DSLs
Creators: name: Leroy, Dorian
name: Bousse, Erwan
name: Wimmer, Manuel
name: Mayerhofer, Tanja
name: Combemale, Benoit
name: Schwinger, Wieland
Publisher: name: Gesellschaft für Informatik e.V.
Year: 2020
Subjects: subject: Domain Specific Languages
subject: Metamodeling
subject: Language Workbenches

description: This work summarizes our paper [Le20] originally published in the Journal of Software and Systems Modeling in 2020 about a novel language engineering approach.
Quantum non-equilibrium approach for fast electron transport in open systems: photosynthetic reaction centers
Creators: name: Pudlak, M.
name: Pichugin, K. N.
name: Nazmitdinov, R. G.
name: Pincak, R.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Biological Physics (physics.bio-ph)
subject: Soft Condensed Matter (cond-mat.soft)
subject: Nuclear Theory (nucl-th)
subject: Chemical Physics (physics.chem-ph)
subject: FOS: Physical sciences

description: Creation of electron or exciton by external fields in a system with initially statistically independent unrelaxed vibrational modes leads to an initial condition term. The contribution of this term in the time convolution generalized master equation approach is studied in second order of the perturbation theory in the path integral formalism. The developed approach, applied for analysis of dynamics in the photosynthetic reaction center, exhibits the key role of the initial condition terms at the primary stage of electron transfer.
description: 7 pages, 2 figures
Numerical simulations of radiative magnetized Herbig-Haro jets: the influence of pre-ionization from X-rays on emission lines
Creators: name: Tesileanu, Ovidiu
name: Mignone, Andrea
name: Massaglia, Silvano
name: Bacciotti, Francesca
Publisher: name: arXiv
Year: 2011
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: We investigate supersonic, axisymmetric magnetohydrodynamic (MHD) jets with a time-dependent injection velocity by numerical simulations with the PLUTO code. Using a comprehensive set of parameters, we explore different jet configurations in the attempt to construct models that can be directly compared to observational data of microjets. In particular, we focus our attention on the emitting properties of traveling knots and construct, at the same time, accurate line intensity ratios and surface brightness maps. Direct comparison of the resulting brightness and line intensity ratios distributions with observational data of microjets shows that a closer match can be obtained only when the jet material is pre-ionized to some degree. A very likely source for a pre-ionized medium is photoionization by X-ray flux coming from the central object.
description: Accepted for publication in ApJ
title: Low flow discharges regional analysis using Wakeby distribution in an ungauged basin in Colombia
title: Hydrology days 2007
titleType: AlternativeTitle
title: AGU hydrology days 2007
titleType: AlternativeTitle
Creators: name: Arbeláez, Ana C.
name: Castro, Lina M.
name: Colorado State University, Publisher
Publisher: name: Mountain Scholar
Year: 2007

description: 2007 annual AGU hydrology days was held at Colorado State University on March 19 - March 21, 2007.
description: Includes bibliographical references.
description: In order to estimate low flow return periods for an ungaged watershed in Colombia, a regional analysis of low flow discharges was performed using the Wakeby probability distribution function. This distribution is more flexible than other distributions and separates the distribution's extreme tails; these are advantages for modeling flow discharges. A procedure for estimating the parameters of the distribution is also presented. The frequency analysis results of 18 to 36 long time series is shown. The goodness of fit test was evaluated with the Graphic Correlation Coefficient (GCC), the Standard Error of Fitting (SEF) and the Graphic Test; they were useful tools for testing the best fit with Wakeby distribution, which was better than LogNormal II and Gumbel distribution. The Index Flood Method for Regional Frequency Analysis was applied with Wakeby distribution and the discharge was standardized with the area. Discussions and conclusions are presented.
Heat transport of quasi-one-dimensional Ising-like antiferromagnet BaCo_2V_2O_8 in the longitudinal and transverse fields
Creators: name: Zhao, Z. Y.
name: Liu, X. G.
name: He, Z. Z.
name: Wang, X. M.
name: Fan, C.
name: Ke, W. P.
name: Li, Q. J.
name: Chen, L. M.
name: Zhao, X.
name: Sun, X. F.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: The very-low-temperature thermal conductivity (κ) is studied for BaCo_2V_2O_8, a quasi-one-dimensional Ising-like antiferromagnet exhibiting an unusual magnetic-field-induced order-to-disorder transition. The nearly isotropic transport in the longitudinal field indicates that the magnetic excitations scatter phonons rather than conduct heat. The field dependence of κshows a sudden drop at \sim 4 T, where the system unndergoes the transition from the Néel order to the incommensurate state. Another dip at lower field of \sim 3 T indicates an unknown magnetic transition, which is likely due to the spin-flop transition. Moreover, the κ(H) in the transverse field shows a very deep valley-like feature, which moves slightly to higher field and becomes sharper upon lowering the temperature. This indicates a magnetic transition induced by the transverse field, which however is not predicted by the present theories for this low-dimensional spin system.
description: 5 pages, 4 figures, accepted for publication in Phys. Rev. B
title: Awareness of Radiation Hazards in Patients Attending Radiology Department in KKUH.
Creators: name: Alawad, Saud
Publisher: name: European Congress of Radiology
Year: 2020
Subjects: subject: Performed at one institution
subject: Cross-sectional study
subject: Not applicable
subject: Occupational / Environmental hazards
subject: Health policy and practice
subject: Ultrasound
subject: MR
subject: CT
subject: Professional issues
subject: Professional Issues

description: Purpose Methods and materials Results Conclusion Personal information and conflict of interest References
description: Purpose: Ionizing radiation is well recognized as causative agent of many acute and chronic health problems. For instance, cancers and genetic mutations that can carry high mortality and morbidity. This is accompanied by increase of utilizing medical imaging...
title: Cardiac angiographic protocols comparison: a figure of merit approach
Creators: name: Scrittori, Nicoletta
Publisher: name: European Congress of Radiology
Year: 2020
Subjects: subject: Interventional Radiology
subject: Radiation physics
subject: Catheter arteriography
subject: Acceptance testing
subject: Dosimetric comparison
subject: Not applicable
subject: Experimental
subject: Performed at one institution

description: Purpose Methods and materials Results Conclusion Personal information and conflict of interest References
description: Purpose: The purpose of this work is to compare cardiac angiographic protocols between two different systems evaluating a figure of merit (FOM) that correlates image quality and entrance dose (ED). The high contrast resolution of the two systems was also...
An analysis of trade credit behaviour of Indian firms
Creators: name: Kumar, Nitin
name: Shrivastava, Arvind
name: Kumar, Purnendu
name: Bhatti, Ishaq
Publisher: name: La Trobe
Year: 2023
Subjects: classificationCode: 3802
subject: Econometrics
subject: FOS: Economics and business
classificationCode: 3801
subject: Applied economics
classificationCode: 3803
subject: Economic theory

description: No description supplied.
title: Сomparison of the accuracy of 18F-FDG PET/CT and PET/MRI in attenuation correction and tumor size assessment in breast cancer
Creators: name: Gelezhe, Pavel
Publisher: name: European Congress of Radiology
Year: 2020
Subjects: subject: Hybrid, Molecular and Translational Imaging
subject: Breast
subject: Hybrid Imaging
subject: Oncology
subject: PET-CT
subject: PET-MR
subject: Molecular imaging
subject: Cancer
subject: Retrospective
subject: Observational
subject: Performed at one institution

description: Purpose Methods and materials Results Conclusion Personal information and conflict of interest References
description: Purpose: Breast cancer imaging is the most promising area for PET/MRI using. Optimized study protocols offer the advantage of both modalities, reducing examination time for patients and reducing radiation exposure compared to PET/CT. The purposes of our...
title: On the Cost and Profit of Software Defect Prediction
Creators: name: Herbold, Steffen
Publisher: name: Gesellschaft für Informatik e.V.
Year: 2019
Subjects: subject: Defect Prediction
subject: Costs
subject: Return On Investment

description: The article "On the cost and profit of software defect prediction" published in the IEEE Transactions on Software Engineering in 2019 propose a cost model to enable the estimation of the expected profit when using machine learning models for defect prediction. Defect prediction can be a powerful tool to guide the use of quality assurance resources. However, while lots of research covered methods for defect prediction as well as methodological aspects of defect prediction research, the actual cost saving potential of defect prediction is still unclear. We close this research gap and formulate a cost model for software defect prediction. We derive mathematically provable boundary conditions that must be fulfilled by defect prediction models such that there is a positive profit when the defect prediction model is used. Our cost model includes aspects like the costs for quality assurance, the costs of post-release defects, the possibility that quality assurance fails to reveal predicted defects. Our results show that the unrealistic assumption that defects only affect a single software artifact leads to inaccurate cost estimations. Moreover, the results indicate that thresholds for machine learning metrics are also not suited to define success criteria for software defect prediction.
Diffractive Dijet Production in Antiproton-Proton Collisions at $\sqrt{s}$=1.96 TeV
Creators: name: CDF II Collaboration
Publisher: name: arXiv
Year: 2012
Subjects: subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: We report on a study of diffractive dijet production in $\bar{p}p$ collisions at $\sqrt{s}=1.96$ TeV using the CDF II detector at the Fermilab Tevatron $\bar{p}p$ collider. A data sample from 310 pb$^{-1}$ of integrated luminosity collected by triggering on a high transverse energy jet, $E_T^{jet}$, in coincidence with a recoil antiproton detected in a Roman pot spectrometer is used to measure the ratio of single-diffractive to inclusive-dijet event rates as a function of $x^{\bar p}$ of the interacting parton in the antiproton, the Bjorken-$x$, $x^{\bar p}_{Bj}$, and a $Q^2\approx (E_T^{jet})^2$ in the ranges $10^{-3}-4$ GeV$^2$. The $t_{\bar p}$ dependence is measured as a function of $Q^2$ and $x_{Bj}^{\bar p}$ and compared with that of inclusive single diffraction dissociation. We find weak $x^{\bar p}_{Bj}$ and $Q^2$ dependencies in the ratio of single diffractive to inclusive event rates, and no significant $Q^2$ dependence in the diffractive $t_{\bar p}$ distributions.
description: 22 pages, 23 figures; published version
title: Identifying pneumonia in chest X-rays: Comparison between different transfer learning methods
Creators: name: Bougias, Haralabos
Publisher: name: European Congress of Radiology
Year: 2019
Subjects: subject: Performed at one institution
subject: Experimental
subject: Retrospective
subject: Infection
subject: Computer Applications-Detection, diagnosis
subject: Digital radiography
subject: Artificial Intelligence
subject: Research

description: Purpose Methods and materials Results Conclusion Personal information and conflict of interest References
description: Purpose: To explore the feasibility of comparing four different transfer learning methods to identify the presence of pneumonia in chest...
Entropic-gravity derivation of MOND
Creators: name: Klinkhamer, F. R.
Publisher: name: arXiv
Year: 2012
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: A heuristic entropic-gravity derivation has previously been given of the gravitational two-body force of modified Newtonian dynamics (MOND). Here, it is shown that also another characteristic of MOND can be recovered, namely, the external field effect (implying a violation of the Strong Equivalence Principle). In fact, the derivation gives precisely the modified Poisson equation which Bekenstein and Milgrom proposed as a consistent nonrelativistic theory of MOND.
description: 6 pages; v5: published version
title: Accurate Modeling of Performance Histories for Evolving Software Systems
Creators: name: Mühlbauer, Stefan
name: Apel, Sven
name: Siegmund, Norbert
Publisher: name: Gesellschaft für Informatik e.V.
Year: 2019
Subjects: subject: Software Performance
subject: Software Evolution
subject: Test Prioritization

description: This work has been originally published in the proceedings of the 34th IEEE/ACM International Conference on Automated Software Engineering (ASE 2019). Learning from the history of a software system’s performance behavior does not only help discovering and locating performance bugs, but also supports identifying evolutionary performance patterns and general trends. Exhaustive regression testing is usually impractical, because rigorous performance benchmarking requires executing realistic workloads per revision, resulting in large execution times. We devise a novel active revision sampling approach that aims at tracking and understanding a system’s performance history by approximating the performance behavior of a software system across all of its revisions. In short, we iteratively sample and measure the performance of specific revisions to learn a performance-evolution model. We select revisions based on how uncertainty our models predicts their correspondent performance values. Technically, we use Gaussian Process models that not only estimates performance for each revision, but also provides an uncertainty value alongside. This way, we iteratively improve our model with only few measurements. Our evaluation with six real-world configurable software system demonstrates that Gaussian Process models are able to accurately estimate the performance-evolution histories with only few measurements and to reveal interesting behaviors and trends, such as change points.
Planar-Waveguide External Cavity Laser Stabilization for an Optical Link with 1E-19 Frequency Stability
Creators: name: Clivati, Cecilia
name: Mura, Alberto
name: Calonico, Davide
name: Levi, Filippo
name: Costanzo, Giovanni A.
name: Calosso, Claudio E.
name: Godone, Aldo
Publisher: name: arXiv
Year: 2011
Subjects: subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: We stabilized the frequency of a compact planar-waveguide external cavity laser (ECL) on a Fabry-Pérot cavity (FPC) through a Pound-Drever-Hall scheme. The residual frequency stability of the ECL is 1E-14, comparable to the stability achievable with a fiber laser (FL) locked to a FPC through the same scheme. We set up an optical link of 100 km, based on fiber spools, that reaches 1E-19 relative stability, and we show that its performances using the ECL or FL are comparable. Thus ECLs could serve as an excellent replacement for FLs in optical links where cost-effectiveness and robustness are important considerations.
title: Cooperative Android App Analysis with CoDiDroid
Creators: name: Pauck, Felix
name: Wehrheim, Heike
Publisher: name: Gesellschaft für Informatik e.V.
Year: 2019
Subjects: subject: Android Taint Analysis
subject: Tools
subject: Cooperation
subject: Precision

description: Novel Android app analysis tools as well as improved versions of available tools are frequently proposed. These proposed tools often tackle a specific single issue that cannot be handled with existing tools. Consequently, the best analysis possible should use the advantages of each and every tool. With CoDiDroid we present an analysis framework that allows to combine analysis tools such that the best out of each tool is used for a more comprehensive and more precise cooperative analysis. Our experimental results show indeed that CoDiDroid allows to setup cooperative analyses which are beneficial with respect to effectiveness, accuracy and scalability.
title: The non-desirable BI-RADS 3 masses: which technique detects more?
Creators: name: Malmierca Ordoqui, Patricia
Publisher: name: European Congress of Radiology
Year: 2020
Subjects: subject: Breast
subject: Breast
subject: Mammography
subject: Ultrasound
subject: Comparative studies
subject: Diagnostic procedure
subject: Cancer
subject: Prospective
subject: Diagnostic or prognostic study
subject: Performed at one institution

description: Purpose Methods and materials Results Conclusion Personal information and conflict of interest References
description: Purpose: The detection of BI-RADS 3 masses is not desirable at a screening due to the very low positive predictive value ( For this reason, our purposes were to assess the detection rate of BI-RADS 3 masses by different imaging techniques and to evaluate the...
title: Pulmonary embolism: feasibility of two lower doses of contrast medium protocols in renally fragile and non-fragile patients
Creators: name: Devetti, Angie
Publisher: name: European Congress of Radiology
Year: 2020
Subjects: subject: Chest
subject: Arteries / Aorta
subject: Contrast agents
subject: Pulmonary vessels
subject: CT
subject: CT-Angiography
subject: Comparative studies
subject: Contrast agent-intravenous
subject: Technical aspects
subject: Embolism / Thrombosis
subject: Retrospective
subject: Observational
subject: Performed at one institution

description: Purpose Methods and materials Results Conclusion Personal information and conflict of interest References
description: Purpose: Purpose of this study is tovalidate aCT protocol for contrast medium administration in examinations withsuspected pulmonary embolism, to reduce amount of iodine contrast media,using two different protocols:the first oneusing 40 ml ofiodine contrast...
title: A comparison of the rectal area before and after proton therapy of patients with prostate cancer
Creators: name: BANG, MOONKYUN
Publisher: name: European Congress of Radiology
Year: 2019
Subjects: subject: Oncologic Imaging
subject: Oncology
subject: Conventional radiography
subject: Image compression
subject: Image guided radiotherapy
subject: Not applicable

description: Purpose Methods and materials Results Conclusion Personal information and conflict of interest References
description: Purpose: Proton beam is highly radioactive with high biological RBE (Relative Biological Effect) and have features that can give the maximum dose to tumors and the minimum dose to normal tissue using Bragg-peak, a unique physical characteristic of the...
title: Flood risk analysis of Cocó urban river in Fortaleza, Brazil
title: Hydrology days 2010
titleType: AlternativeTitle
title: AGU hydrology days 2010
titleType: AlternativeTitle
Creators: name: Andrade, Carla Freitas
name: Ueta, Vanessa
name: Chagas, Patrícia Freire
name: Santos, Silvia Helena
name: Souza, Raimundo
name: Colorado State University, Publisher
Publisher: name: Mountain Scholar
Year: 2010
Subjects: flood control
fuzzy risk analysis
river mechanics

description: 2010 annual AGU hydrology days was held at Colorado State University on March 22 - March 24, 2010.
description: Includes bibliographical references.
description: A mathematical model based on the Saint-Venant hydrodynamic equations combined with fuzzy set theory is formulated for the flood risk analysis of Cocó urban river in Fortaleza, Ceará, Brazil, which is subjected to the propagation of a flood wave. The model is capable of evaluating the behavior of the control variables related to the flow in terms of the hydraulic and hydrological parameters of the basin. The model is also capable of evaluating the fuzzy risk for such area subjected to the flood process during intense rains. The governing partial differential equations are solved with the aid of finite differences, and for the solution of the system of nonlinear algebraic equations the iterative Newton-Raphson algorithm is employed. A computer program QUARIGUA (Risk Quantitative Analysis of Flooding in Urban Rivers) is used to perform the simulations. The computer program QUARIGUA is organized in a modular manner, with two main modules: the deterministic module, where the depth of the water in the river and the flow of the channel are calculated as discreet values; and the fuzzy module, based on the fuzzy set theory, where the depth of the water and the flow are calculated as membership functions. To evaluate the behavior of the control variables, several scenarios for the main channel as well as for the flood waves are considered and different simulations are performed. The simulations demonstrate the reliability, versatility and computational efficiency of the proposed model.
Hiv Seroprevalence Among Long-stay Patients in a State Psychiatric Hospital
Creators: name: Meyer, Ilan
name: McKinnon, Karen M.
name: Cournos, Francine
name: Empfield, Maureen
name: Bavli, Sam
name: Engel, Diane
name: Weinstock, Alan
Publisher: name: Columbia University
Year: 1993
Subjects: HIV-positive persons
Psychiatric hospital patients
Psychiatry

description: We found a seroprevalence of HIV infection of 4% among 199 long-stay psychiatric patients in a state hospital in New York City.
title: Trace Link Recovery Using Semantic Relation Graphs and Spreading Activation
Creators: name: Schlutter, Aaron
name: Vogelsang, Andreas
Publisher: name: Gesellschaft für Informatik e.V.
Year: 2020
Subjects: subject: Traceability
subject: Natural Language
subject: Semantic Relation Graph
subject: Spreading Activation

description: The paper was first published at the 28th IEEE International Requirements Engineering Conference in 2020. Trace Link Recovery tries to identify and link related existing requirements with each other to support further engineering tasks. Existing approaches are mainly based on algebraic Information Retrieval or machine-learning. Machine-learning approaches usually demand reasonably large and labeled datasets to train. Algebraic Information Retrieval approaches like distance between tf-idf scores also work on smaller datasets without training but are limited in providing explanations for trace links. In this work, we present a Trace Link Recovery approach that is based on an explicit representation of the content of requirements as a semantic relation graph and uses Spreading Activation to answer trace queries over this graph. Our approach is fully automated including an NLP pipeline to transform unrestricted natural language requirements into a graph. We evaluate our approach on five common datasets. Depending on the selected configuration, the predictive power strongly varies. With the best tested configuration, the approach achieves a mean average precision of 40% and a Lag of 50%. Even though the predictive power of our approach does not outperform state-of-the-art approaches, we think that an explicit knowledge representation is an interesting artifact to explore in Trace Link Recovery approaches to generate explanations and refine results.
Key to the Classroom: Teaching as Improvisation
Creators: name: Remington, Ted Joseph
Publisher: name: Columbia University
Year: 2016
Subjects: Education, Higher
Improvisation (Acting)
College teachers
Teaching--Methodology

description: This essay explores classroom teaching as improvisational practice, suggesting that greater attention should be paid to teaching new college and university instructors the skills to managing the classroom in real time. Unlike the K-12 world, higher education provides little if any guidance to instructors on how to engage in pedagogical improvisation.  The author suggests a change in culture is in order, encouraging academics to talk and share openly about classroom practices.
title: Brain network-level structural alterations in overweight and obese children: an MRI-based study with structural covariance
Creators: name: Zhao, Lei
Publisher: name: European Congress of Radiology
Year: 2020
Subjects: subject: MR
subject: Statistics
subject: FOS: Mathematics
subject: Outcomes
subject: Neuro
subject: Retrospective
subject: Cross-sectional study
subject: Performed at one institution
subject: Head and neck

description: Purpose Methods and materials Results Conclusion Personal information and conflict of interest References
description: Purpose: Overweight and obesity have become a big concern, especially for children as it is linked to poor mental and physical health. Through neuroimaging modalities such as Magnetic Resonance Imaging (MRI), a number of studies have shown brain structural...
Hori-Vafa mirror periods, Picard-Fuchs equations, and Berglund-Hübsch-Krawitz duality
Creators: name: Doran, Charles F.
name: Garavuso, Richard S.
Publisher: name: arXiv
Year: 2011
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Algebraic Geometry (math.AG)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: This paper discusses the overlap of the Hori-Vafa formulation of mirror symmetry with some other constructions. We focus on compact Calabi-Yau hypersurfaces \mathcal{M}_G = {G = 0} in weighted complex projective spaces. The Hori-Vafa formalism relates a family {\mathcal{M}_G \in WCP^{m-1}_{Q_1,...,Q_m}[s] | \sum_{i=1}^m Q_i = s} of such hypersurfaces to a single Landau-Ginzburg mirror theory. A technique suggested by Hori and Vafa allows the Picard-Fuchs equations satisfied by the corresponding mirror periods to be determined. Some examples in which the variety \mathcal{M}_G is crepantly resolved are considered. The resulting Picard-Fuchs equations agree with those found elsewhere working in the Batyrev-Borisov framework. When G is an invertible nondegenerate quasihomogeneous polynomial, the Chiodo-Ruan geometrical interpretation of Berglund-Huebsch-Krawitz duality can be used to associate a particular complex structure for \mathcal{M}_G with a particular Kaehler structure for the mirror \widetilde{\mathcal{M}}_G. We make this association for such G when the ambient space of \mathcal{M}_G is CP^2, CP^3, and CP^4. Finally, we probe some of the resulting mirror Kaehler structures by determining corresponding Picard-Fuchs equations.
description: 21 pages, no figures, uses jheppub.sty. v2: minor typos corrected
Modeling the cross field demagnetization of REBCO stacks and bulks for millions of cycles
Creators: name: Dadhich, Anang
name: Pardo, Enric
Publisher: name: Zenodo
Year: 2020
Subjects: superconductor
modeling
electric aircraft
aviation
asumed
green technology

description: Oral Presentation at ASC-2020 conference. Presentation was selected as a finalist for Best Student Paper competition at the conference.
Exiled from Main Street: Improvisational Teaching/Life
Creators: name: Walker, Paul
Publisher: name: Columbia University
Year: 2016
Subjects: Improvisation (Acting)
Education, Higher
College teachers
Effective teaching
Teaching--Methodology

description: This article discusses elements of improvisational teaching juxtaposed and integrated with the unexpected necessity of living an improvisational, unstable life. At the heart of the exploration is the dilemma of how freedom and learning come at the expense of imposed and embraced limitations that provide stability and predictability, and the struggle to not value one too highly over the other.
title: Isolating Faults in Failure-Inducing Inputs
Creators: name: Kirschner, Lukas
name: Soremekun, Ezekiel
name: Zeller, Andreas
Publisher: name: Gesellschaft für Informatik e.V.
Year: 2020
Subjects: subject: Program Inputs
subject: Debugging
subject: Input Repair
subject: Fault Localisation

description: Program failures are often caused by faulty inputs (e.g. due to data corruption). When an input induces failure, one needs to debug the input data, i.e. isolate faults to obtain valid input data. Typically, debuggers focus on diagnosing faults in the program, rather than the input. This talk instead presents an approach that automatically repairs faults in the input data, without requiring program analysis. In addition, we present empirical data on the causes and prevalence of invalid inputs in practice, we found that four percent of inputs in the wild are invalid. We present a general-purpose algorithm called ddmax that automatically isolates faults in invalid inputs and recovers the maximal valid input data. The aim of ddmax is to (1) identify which parts of the input data prevent processing by the program, and (2) recover as much of the (valuable) input data as possible. Given a program and an invalid input, through experiments, ddmax recovers and repairs as much data as possible. The difference between the original failing input and the “maximized” passing input includes all input fragments that could not be processed, i.e. the fault. This approach is useful for automatically debugging and repairing invalid inputs.
title: Defining clot formation in membrane oxygenators via Computer Tomography scan: Novel insights into an ongoing problem
Creators: name: O'Brien, Christopher
Publisher: name: European Congress of Radiology
Year: 2020
Subjects: subject: Performed at one institution
subject: Observational
subject: Retrospective
subject: Cardiac Assist Devices
subject: Blood
subject: Computer Applications-3D
subject: Experimental
subject: CT
subject: Computer applications
subject: Cardiovascular system
subject: CT

description: Purpose Methods and materials Results Conclusion Personal information and conflict of interest References
description: Purpose: Despite heparin coating and systemic anticoagulation clotting complications remain a significant source of morbidity and mortality in patients supported with extracorporeal membrane oxygenation (ECMO). Further, clotting of the membrane oxygenator...
Evaluation of a group intervention for people with HIV, substance use and trauma
Creators: name: MacGregor, Jakalin
Publisher: name: Social Work
Year: 2011

description: Bibliography: p. 118-130.
description: Includes copy of Ethics Review form. Original with original copy of Partial copyright Licence.
description: This mixed method study evaluated the utility and perceived impact of a twelve week trauma and substance-use group intervention for people who have HIV and histories of substance abuse, and who are considered at risk for poor psychosocial and health outcomes. Administration of a psychometric measure, the Detailed Assessment of Post traumatic Stress (DAPS) was conducted to pre group (n=25) and post group (n=7) participants to determine traumatic symptomatology levels. Semi-structured interviews were conducted with participants post group (n=7). Findings demonstrated that a group for people with HIV which provides concurrent treatment for trauma and substance use, utilizing cognitive-behavioural, case management and interpersonal strategies, shows promise for its ability to serve as a catalyst for moving participants into contemplation and action toward decreased substance abuse and increased medication adherence. It may also provide an increased sense of agency in key areas of psychosocial functioning. The mechanisms behind positive and negative feedback loops that function as triggers and re­enactments to traumatic stress and substance use were explored as useful clinical tools. Short-term, clinical interventions should be seen as part of a more holistic, trauma­focused, ongoing treatment plan for those patients that have complex posttraumatic stress diagnoses.