cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
[Data Record 2]: RNA-seq
Creators: name: Pena Centeno, Tonatiuh
Publisher: name: figshare
Year: 2016
Subjects: subject: Behavioral Neuroscience
subject: 60102 Bioinformatics
subject: FOS: Computer and information sciences

description: Genome-wide maps of chromatin changes upon contextual fear conditioning in mice (RNA-seq)Experiment type - Expression profiling by high throughput sequencing
Design - Gene and exon expression changes in two distinct mouse brain regions (CA1, ACC) and three time-points (00H for naive, 01H for 1h, 04W for 4w) before and after contextual learning (NAI for naive, CON for context, SHC for context shock).

EPIGENOME BROWSER (https://memory-epigenome-browser.dzne.de/)Contains RNAs-seq data under category "RNASEQ-DATA". Sample names include conditioning, time-point, tissue and replicate number (1 to 5; samples without numbers are merged replicates) separated by dashes. bigWig files can also be downloaded for local visualisation.

GEO accession: GSE74966http://www.ncbi.nlm.nih.gov/geo/query/acc.cgi?acc=GSE74966
Paleoclimate Implications for Human-Made Climate Change
Creators: name: Hansen, James E.
name: Sato, Makiko
Publisher: name: arXiv
Year: 2011
Subjects: subject: Atmospheric and Oceanic Physics (physics.ao-ph)
subject: FOS: Physical sciences

description: Paleoclimate data help us assess climate sensitivity and potential human-made climate effects. We conclude that Earth in the warmest interglacial periods of the past million years was less than 1°C warmer than in the Holocene. Polar warmth in these interglacials and in the Pliocene does not imply that a substantial cushion remains between today's climate and dangerous warming, but rather that Earth is poised to experience strong amplifying polar feedbacks in response to moderate global warming. Thus goals to limit human-made warming to 2°C are not sufficient - they are prescriptions for disaster. Ice sheet disintegration is nonlinear, spurred by amplifying feedbacks. We suggest that ice sheet mass loss, if warming continues unabated, will be characterized better by a doubling time for mass loss rate than by a linear trend. Satellite gravity data, though too brief to be conclusive, are consistent with a doubling time of 10 years or less, implying the possibility of multi-meter sea level rise this century. Observed accelerating ice sheet mass loss supports our conclusion that Earth's temperature now exceeds the mean Holocene value. Rapid reduction of fossil fuel emissions is required for humanity to succeed in preserving a planet resembling the one on which civilization developed.
description: 32 pages, 9 figures; final version accepted for publication in "Climate Change at the Eve of the Second Decade of the Century: Inferences from Paleoclimate and Regional Aspects: Proceedings of Milutin Milankovitch 130th Anniversary Symposium" (eds. Berger, Mesinger and Sijaci)
title: Use of Dual Energy CT (DECT) in evaluation of biliary ileus caused by stones not detected on conventional CT, our experience.
Creators: name: Paludi, Adriana
Publisher: name: European Congress of Radiology
Year: 2023
Subjects: subject: Abdomen
subject: Biliary Tract / Gallbladder
subject: CT
subject: Diagnostic procedure
subject: Calcifications / Calculi
subject: Obstruction / Occlusion

description: Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References
description: Learning objectives: Use of Dual Energy CT (DECT) in evaluation of biliary ileus caused by stones not detected on conventional CT, our...
Dependence of the spectrum of a quantum graph on vertex conditions and edge lengths
Creators: name: Berkolaiko, Gregory
name: Kuchment, Peter
Publisher: name: arXiv
Year: 2010
Subjects: subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences
subject: 34B45, 35Q40

description: We study the dependence of the quantum graph Hamiltonian, its resolvent, and its spectrum on the vertex conditions and graph edge lengths. In particular, several results on the interlacing (bracketing) of the spectra of graphs with different vertex conditions are obtained and their applications are discussed.
description: 19 pages, 1 figure
(2) RNA-seq
Creators: name: Pena Centeno, Tonatiuh
Publisher: name: figshare
Year: 2016
Subjects: subject: Behavioral Neuroscience
subject: 60102 Bioinformatics
subject: FOS: Computer and information sciences

description: [Add description]
EPIGENOME BROWSER----------------------------------https://memory-epigenome-browser.dzne.de/

 GEO accession: GSE74966--------------------------------------http://www.ncbi.nlm.nih.gov/geo/query/acc.cgi?acc=GSE74966
Worm Monte Carlo study of the honeycomb-lattice loop model
Creators: name: Liu, Qingquan
name: Deng, Youjin
name: Garoni, Timothy M.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: We present a Markov-chain Monte Carlo algorithm of "worm"type that correctly simulates the O(n) loop model on any (finite and connected) bipartite cubic graph, for any real n>0, and any edge weight, including the fully-packed limit of infinite edge weight. Furthermore, we prove rigorously that the algorithm is ergodic and has the correct stationary distribution. We emphasize that by using known exact mappings when n=2, this algorithm can be used to simulate a number of zero-temperature Potts antiferromagnets for which the Wang-Swendsen-Kotecky cluster algorithm is non-ergodic, including the 3-state model on the kagome-lattice and the 4-state model on the triangular-lattice. We then use this worm algorithm to perform a systematic study of the honeycomb-lattice loop model as a function of n<2, on the critical line and in the densely-packed and fully-packed phases. By comparing our numerical results with Coulomb gas theory, we identify the exact scaling exponents governing some fundamental geometric and dynamic observables. In particular, we show that for all n<2, the scaling of a certain return time in the worm dynamics is governed by the magnetic dimension of the loop model, thus providing a concrete dynamical interpretation of this exponent. The case n>2 is also considered, and we confirm the existence of a phase transition in the 3-state Potts universality class that was recently observed via numerical transfer matrix calculations.
description: 33 pages, 12 figures
title: Clinical Importance of Dual Energy CT in Multiple Pulmonary Diseases
Creators: name: Soo, Suet Woon
Publisher: name: European Congress of Radiology
Year: 2023
Subjects: subject: Lung
subject: Cone beam CT
subject: CT-Angiography
subject: Education
subject: Education and training

description: Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References
description: Learning objectives: Discuss basic principles of dual-energy CT. Describe how to interpret iodine maps from dual-energy CT in cases of pulmonary embolism and clinical applications of dual-energy CT in multiple pulmonary...
title: Audit To Evaluate The Success Rate of CT Guided Biopsies.
Creators: name: Abdullah, Muhammad
Publisher: name: European Congress of Radiology
Year: 2023
Subjects: subject: Abdomen
subject: Interventional non-vascular
subject: CT
subject: Audit and standards
subject: Biopsy
subject: Lymphoma
subject: Metastases

description: Purpose Methods and materials Results Conclusion Personal information and conflict of interest References
description: Purpose: Percutaneous image-guided biopsies in the liver, lung, kidney and bone are common procedures. They are generally utilised to establish a definitive pathologic diagnosis in patients with a focal or diffuse disease of unknown origin (persisting over...
Spin-valley blockade in carbon nanotube double quantum dots
Creators: name: Pályi, András
name: Burkard, Guido
Publisher: name: arXiv
Year: 2010
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We present a theoretical study of the Pauli or spin-valley blockade for double quantum dots in semiconducting carbon nanotubes. In our model we take into account the following characteristic features of carbon nanotubes: (i) fourfold (spin and valley) degeneracy of the quantum dot levels, (ii) the intrinsic spin-orbit interaction which is enhanced by the tube curvature, and (iii) valley-mixing due to short-range disorder, i.e., substitutional atoms, adatoms, etc. We find that the spin-valley blockade can be lifted in the presence of short-range disorder, which induces two independent random (in magnitude and direction) valley-Zeeman-fields in the two dots, and hence acts similarly to hyperfine interaction in conventional semiconductor quantum dots. In the case of strong spin-orbit interaction, we identify a parameter regime where the current as the function of an applied axial magnetic field shows a zero-field dip with a width controlled by the interdot tunneling amplitude, in agreement with recent experiments.
description: 15 pages, 6 figures, 2 tables; v2: published version
title: Ð¥Ð°ÑÐ°ÐºÑÐµÑÐ¸Ð·Ð°ÑÐ¸Ñ ÑÑÑÑÐºÑÑÑ, ÑÐ¾ÑÐ¼Ð¸ÑÑÐµÐ¼ÑÑ Ð±ÐµÐ»ÐºÐ°Ð¼Ð¸ FtsZ Ð² ÐºÐ»ÐµÑÐºÐ°Ñ Escherichia coli, Mycoplasma gallisepticum Ð¸ Acholeplasma laidlawii Ñ Ð¸ÑÐ¿Ð¾Ð»ÑÐ·Ð¾Ð²Ð°Ð½Ð¸ÐµÐ¼ Ð¼ÐµÑÐ¾Ð´Ð¾Ð² Ð¼Ð¸ÐºÑÐ¾ÑÐºÐ¾Ð¿Ð¸Ð¸ ÑÐ²ÐµÑÑ Ð²ÑÑÐ¾ÐºÐ¾Ð³Ð¾ ÑÐ°Ð·ÑÐµÑÐµÐ½Ð¸Ñ
title: Ð½Ð°ÑÑÐ½ÑÐ¹ Ð´Ð¾ÐºÐ»Ð°Ð´
titleType: Subtitle
title: Characterization of structures formed by FtsZ proteins in Escherichia coli, Mycoplasma gallisepticum and Acholeplasma laidlawii cells, using super-resolution microscopy methods
Creators: name: ÐÐµÐ´ÑÐ¹ÐºÐ¸Ð½, ÐÐ»ÐµÐºÑÐµÐ¹
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2018
Subjects: ÐÐµÐ»ÐºÐ¸
ÐÐ¸ÐºÑÐ¾ÑÐºÐ¾Ð¿Ð¸Ñ
ÑÐ¸ÑÐ¾ÑÐºÐµÐ»ÐµÑ
Ð´Ð¸Ð²Ð¸ÑÐ¾Ð¼Ð°
ÑÐ¸ÑÐ¾ÐºÐ¸Ð½ÐµÐ·

description: Ð Ð´Ð°Ð½Ð½Ð¾Ð¹ ÑÐ°Ð±Ð¾ÑÐµ Ð±ÑÐ»Ð¸ Ð¸ÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ñ Ð½ÐµÐºÐ¾ÑÐ¾ÑÑÐµ ÑÐ²Ð¾Ð¹ÑÑÐ²Ð° Ð±ÐµÐ»ÐºÐ¾Ð² FtsZ Ð²Ð¸Ð´Ð¾Ð² Escherichia coli, Acholeplasma laidlawii Ð¸ Mycoplasma gallisepticum. ÐÑÐ¸ Ð¿Ð¾Ð¼Ð¾ÑÐ¸ Ð¼ÐµÑÐ¾Ð´Ð¾Ð² ÑÐ»ÑÐ¾ÑÐµÑÑÐµÐ½ÑÐ½Ð¾Ð¹ Ð¼Ð¸ÐºÑÐ¾ÑÐºÐ¾Ð¿Ð¸Ð¸ ÑÐ²ÐµÑÑÐ²ÑÑÐ¾ÐºÐ¾Ð³Ð¾ ÑÐ°Ð·ÑÐµÑÐµÐ½Ð¸Ñ Ð¸ ÑÐ»ÐµÐºÑÑÐ¾Ð½Ð½Ð¾Ð¹ Ð¼Ð¸ÐºÑÐ¾ÑÐºÐ¾Ð¿Ð¸Ð¸ Ð±ÑÐ»Ð¸ Ð¿ÑÐ¾Ð°Ð½Ð°Ð»Ð¸Ð·Ð¸ÑÐ¾Ð²Ð°Ð½Ñ Ð¾ÑÐ¾Ð±ÐµÐ½Ð½Ð¾ÑÑÐ¸ ÑÑÑÑÐºÑÑÑ, ÑÐ¾ÑÐ¼Ð¸ÑÑÐµÐ¼ÑÑ Ð´Ð°Ð½Ð½ÑÐ¼Ð¸ Ð±ÐµÐ»ÐºÐ°Ð¼Ð¸ Ð² Ð±Ð°ÐºÑÐµÑÐ¸Ð°Ð»ÑÐ½ÑÑ ÐºÐ»ÐµÑÐºÐ°Ñ. Ð¢Ð°ÐºÐ¶Ðµ Ð±ÑÐ»Ð¸ Ð¸ÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ñ Ð¼ÐµÐ¶Ð±ÐµÐ»ÐºÐ¾Ð²ÑÐµ Ð²Ð·Ð°Ð¸Ð¼Ð¾Ð´ÐµÐ¹ÑÑÐ²Ð¸Ñ Ñ ÑÑÐ°ÑÑÐ¸ÐµÐ¼ ÑÐºÐ°Ð·Ð°Ð½Ð½ÑÑ Ð±ÐµÐ»ÐºÐ¾Ð². Ð ÐµÐ·ÑÐ»ÑÑÐ°ÑÑ ÑÐ°Ð±Ð¾ÑÑ Ð¿ÑÐ¾Ð»Ð¸Ð²Ð°ÑÑ ÑÐ²ÐµÑ Ð½Ð° Ð¼Ð½Ð¾Ð³Ð¸Ðµ Ð´ÐµÑÐ°Ð»Ð¸ Ð¿ÑÐ¾ÑÐµÑÑÐ° Ð´ÐµÐ»ÐµÐ½Ð¸Ñ ÐºÐ°Ðº ÑÐ¾ÑÐ¾ÑÐ¾ Ð¸Ð·ÑÑÐµÐ½Ð½Ð¾Ð³Ð¾ Ð²Ð¸Ð´Ð° â E. coli, ÑÐ°Ðº Ð¸ ÑÐ»Ð°Ð±Ð¾ Ð¸Ð·ÑÑÐµÐ½Ð½ÑÑ Ð²Ð¸Ð´Ð¾Ð² Ð¼Ð¸ÐºÐ¾Ð¿Ð»Ð°Ð·Ð¼ â A. laidlawii Ð¸ M. gallisepticum.
ÐÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° (Ð½Ð°ÑÑÐ½ÑÐ¹ Ð´Ð¾ÐºÐ»Ð°Ð´) Ð¸Ð·Ð»Ð¾Ð¶ÐµÐ½Ð° Ð½Ð° 29 ÑÑÑÐ°Ð½Ð¸ÑÐ°Ñ Ð¼Ð°ÑÐ¸Ð½Ð¾Ð¿Ð¸ÑÐ½Ð¾Ð³Ð¾ ÑÐµÐºÑÑÐ° Ð¸ Ð²ÐºÐ»ÑÑÐ°ÐµÑ: Ð¾Ð±ÑÑÑ ÑÐ°ÑÐ°ÐºÑÐµÑÐ¸ÑÑÐ¸ÐºÑ ÑÐ°Ð±Ð¾ÑÑ; Ð¾ÑÐ½Ð¾Ð²Ð½ÑÑ ÑÐ°ÑÑÑ (ÑÐ¾Ð´ÐµÑÐ¶Ð°Ð½Ð¸Ðµ ÑÐ°Ð±Ð¾ÑÑ), Ð² ÑÐ¾Ð¼ ÑÐ¸ÑÐ»Ðµ Ð¾Ð±ÑÐµÐºÑÑ Ð¸ Ð¼ÐµÑÐ¾Ð´Ñ Ð¸ÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¸Ñ, ÑÐµÐ·ÑÐ»ÑÑÐ°ÑÑ Ð¸ Ð¾Ð±ÑÑÐ¶Ð´ÐµÐ½Ð¸Ðµ, Ð·Ð°ÐºÐ»ÑÑÐµÐ½Ð¸Ðµ, Ð²ÑÐ²Ð¾Ð´Ñ Ð¸ ÑÐ¿Ð¸ÑÐ¾Ðº Ð»Ð¸ÑÐµÑÐ°ÑÑÑÑ (12 Ð¸ÑÑÐ¾ÑÐ½Ð¸ÐºÐ¾Ð²); ÑÐ¿Ð¸ÑÐ¾Ðº ÑÐ°Ð±Ð¾Ñ, Ð¾Ð¿ÑÐ±Ð»Ð¸ÐºÐ¾Ð²Ð°Ð½Ð½ÑÑ Ð¿Ð¾ ÑÐµÐ¼Ðµ Ð½Ð°ÑÑÐ½Ð¾-ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð¾Ð¹ ÑÐ°Ð±Ð¾ÑÑ (Ð´Ð¸ÑÑÐµÑÑÐ°ÑÐ¸Ð¸). Ð Ð°Ð±Ð¾ÑÐ° ÑÐ¾Ð´ÐµÑÐ¶Ð¸Ñ 10 Ð¸Ð»Ð»ÑÑÑÑÐ°ÑÐ¸Ð¹.
description: In this paper, some properties of FtsZ proteins of Escherichia coli, Acholeplasma laidlawii and Mycoplasma gallisepticum were investigated. Using the methods of super-resolution fluorescence microscopy and electron microscopy, some features of the structures formed by these proteins in bacterial cells were analyzed. Protein-protein interactions involving these proteins were also studied. The results of the work shed light on many details of division process of both well-studied species - E. coli and poorly studied mycoplasma species - A. laidlawii and M. gallisepticum.
Galaxy cluster angular size data constraints on dark energy
Creators: name: Chen, Yun
name: Ratra, Bharat
Publisher: name: arXiv
Year: 2011
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: We use angular size versus redshift data for galaxy clusters from Bonamente et al. (2006) to place constraints on model parameters of constant and time-evolving dark energy cosmological models. These constraints are compatible with those from other recent data, but are not very restrictive. A joint analysis of the angular size data with more restrictive baryon acoustic oscillation peak length scale and supernova Type Ia apparent magnitude data favors a spatially-flat cosmological model currently dominated by a time-independent cosmological constant but does not exclude time-varying dark energy.
description: 8 pages, 11 figures, 2 tables
Spontaneous current-layer fragmentation and cascading reconnection in solar flares: II. Relation to observations
Creators: name: Bárta, Miroslav
name: Büchner, Jörg
name: Karlický, Marian
name: Kotrc, Pavel
Publisher: name: arXiv
Year: 2010
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: In the paper by Bárta et al. (arXive:astro-ph:/1011.4035, 2010) the authors addressed some open questions of the CSHKP scenario of solar flares by means of high-resolution MHD simulations. They focused, in particular, on the problem of energy transfer from large to small scales in decaying flare current sheet (CS). Their calculations suggest, that magnetic flux-ropes (plasmoids) are formed in full range of scales by a cascade of tearing and coalescence processes. Consequently, the initially thick current layer becomes highly fragmented. Thus, the tearing and coalescence cascade can cause an effective energy transfer across the scales. In the current paper we investigate whether this mechanism actually applies in solar flares. We extend the MHD simulation by deriving model-specific features that can be looked for in observations. The results of the underlying MHD model showed that the plasmoid cascade creates a specific hierarchical distribution of non-ideal/acceleration regions embedded in the CS. We therefore focus on the features associated with the fluxes of energetic particles, in particular on the structure and dynamics of emission regions in flare ribbons. We assume that the structure and dynamics of diffusion regions embedded in the CS imprint themselves into structure and dynamics of flare-ribbon kernels by means of magnetic-field mapping. Using the results of the underlying MHD simulation we derive the expected structure of ribbon emission and we extract selected statistical properties of the modelled bright kernels. Comparing the predicted emission and its properties with the observed ones we obtain a good agreement of the two.
description: 7 pages, 5 figures
P and CP Violation and New Thermalization Scenario in Heavy Ion Collisions
Creators: name: Zhitnitsky, Ariel R.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Nuclear Theory (nucl-th)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: The violation of local P and CP invariance in QCD, as it is observed at RHIC, has been a subject of intense discussions for the last couple of years.Separately, a new thermalization scenario for heavy ion collisions through the event horizon as a manifestation of the Unruh effect, has been also suggested. In this paper we argue that these two, naively unrelated phenomena, are actually two sides of the same coin as they are deeply rooted into the same fundamental physics related to some very nontrivial topological features of QCD. We formulate the universality conjecture for P and CP odd effects in heavy ion collisions analogous to the universal thermal behaviour observed in all other high energy interactions.
description: Matches the journal version
title: Small-Molecule Lanthanide Complex as High-performance Spectral CT Contrast Agent for in vivo Bioimaging
Creators: name: Dai, Guidong
Publisher: name: European Congress of Radiology
Year: 2023
Subjects: subject: Colon
subject: Gastrointestinal tract
subject: CT
subject: Biopsy
subject: Comparative studies
subject: Inflammation

description: Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References
description: Learning objectives: To synthesis a smallmolecularcontrastagentwithhighperformance and biocompatibility to be utilized for CT imaging of urography and GI tract imaging. To be used for CT imaging of colitis mouse...
Outcomes in suicidal bridge jumping in the Lower Mainland
Creators: name: Stephanian, Dylan
Publisher: name: University of British Columbia
Year: 2019

description: On average, one person attempts suicide by jumping from a bridge in the Lower Mainland of British Columbia once every 14 days, but the population that jumps and their outcomes following a suicide attempt are poorly understood. A multi-agency retrospective chart review was performed using records from the Canadian Coast Guard, Joint Rescue Coordination Center, police departments, and the British Columbia Coroner’s Service to identify incidents. A complete picture of each incident was then built by identifying corresponding BC Ambulance Service and hospital records, and linking all records for each incident. This methodology successfully identified a comprehensive list of incidents, and may be useful in future prehospital and search and rescue medicine research. Records from the ten agencies involved in these incidents were collected and linked to create a dataset describing all known jumps from a bridge >12m in height in the Lower Mainland of BC from January 1, 2006 to February 28, 2017. 1208 incidents were identified, 273 were confirmed jumps, and 197 were jumps into water. The multi-agency linkage portion of the study was highly successful; outcomes were identified for 90.6% of all incidents. The population that jumps from a bridge is similar to those who commit suicide by other means. Those jumping are mostly male (74.9%), and early to mid-life (IQR 28-48 years). Of those who jumped and hit water, 59.9% were promptly recovered, 25.4% were iii transported to hospital and 15.2% survived. Survival is dependent on bridge height, patient age, and time interval between jumping and being recovered from the water. The presence or absence of vital signs, and level of consciousness (measured on the AVPU scale) on recovery appears to prognosticate survival to hospital discharge. This may assist prehospital care providers making treatment decisions for these patients.
Quantum to classical transition and entanglement sudden death in Gaussian states under local heat bath dynamics
Creators: name: Goyal, Sandeep K
name: Ghosh, Sibasish
Publisher: name: arXiv
Year: 2010
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Entanglement sudden death in spatially separated two-mode Gaussian states coupled to local thermal and squeezed thermal baths is studied by mapping the problem to that of the quantum-to-classical transition. Using Simon's criterion concerning the characterisation of classicality in Gaussian states, the time to ESD is calculated by analysing the covariance matrices of the system. The results for the two-mode system at T=0 and T>0 for the two types of bath states are generalised to $n$-modes, and are shown to be similar in nature to the results for the general discrete $n$-qubit system.
description: Published in PRA
Does Media Coverage Drive Public Support for UKIP or Does Public Support for UKIP Drive Media Coverage?
Creators: name: Murphy, Justin
name: Devine, Daniel
Publisher: name: figshare
Year: 2016
Subjects: subject: Statistics
subject: FOS: Mathematics
subject: 200104 Media Studies
subject: FOS: Media and communications
subject: Sociology
subject: FOS: Sociology

description: Abstract: Previous research suggests media attention may cause support for populist right-wing parties, but extant evidence is mixed and mostly limited to proportional representation systems in which such an effect would be most likely. At the same time, in the United Kingdom's first-past-the-post system, an ongoing political and regulatory debate revolves around whether the media give disproportionate coverage to the populist right-wing UK Independence Party (UKIP). We use a mixed-methods approach to investigate the causal dynamics of UKIP support and media coverage as an especially valuable case. Vector autoregression (VAR) using monthly, aggregate time-series data from January 2004 to February 2016 provides new evidence consistent with a model in which media coverage drives party support, but party support does not drive media coverage. Additionally, we identify and explore two key periods in which stagnating or declining support for UKIP is followed by increases in media coverage and subsequent increases in public support. Overall the findings show that media coverage may drive public support for right-wing populist parties, in a substantively non-trivial fashion irreducible to previous levels of public support, even in a national institutional environment least supportive of such an effect. The findings have direct and troubling implications for contemporary political and regulatory debates in the United Kingdom and potentially liberal democracies more generally.
$B_{(s)}\to S$ transitions in the light cone sum rules with the chiral current
Creators: name: Sun, Yan-Jun
name: Li, Zuo-Hong
name: Huang, Tao
Publisher: name: arXiv
Year: 2010
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: $B_{(s)}$ semi-leptonic decays to the light scalar meson, $B_{(s)}\to S l\barν_l, S l \bar{l}\,\,(l=e,μ,τ)$, are investigated in the QCD light-cone sum rules (LCSR) with chiral current correlator. Having little knowledge of ingredients of the scalar mesons, we confine ourself to the two quark picture for them and work with the two possible Scenarios. The resulting sum rules for the form factors receive no contributions from the twist-3 distribution amplitudes (DA's), in comparison with the calculation of the conventional LCSR approach where the twist-3 parts play usually an important role. We specify the range of the squared momentum transfer $q^2$, in which the operator product expansion (OPE) for the correlators remains valid approximately. It is found that the form factors satisfy a relation consistent with the prediction of soft collinear effective theory (SCET). In the effective range we investigate behaviors of the form factors and differential decay widthes and compare our calculations with the observations from other approaches. The present findings can be beneficial to experimentally identify physical properties of the scalar mesons.
description: 22 pages,16 figures
Transport properties of a spin-1/2 Heisenberg chain with an embedded spin-S impurity
Creators: name: Metavitsiadis, A.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: The finite temperature transport properties of a spin-1/2 anisotropic Heisenberg chain with an embedded spin-S impurity are studied. Using primarily numerical diagonalization techniques, we study the dependence of the dynamical spin and thermal conductivities on the lattice size, the magnitude of the impurity spin, the host-impurity coupling, the easy axis anisotropy, as well as the dependence on temperature. Particularly for the temperature dependence, we discuss the screening of the impurity by the chain eventually leading to the cutting or healing of the host chain. Numerical results are supported by analytical arguments obtained in the strong host-impurity coupling regime.
description: 7 pages, 10 figures
Does Public Support for UKIP Drive Their Media Coverage or Does Media Coverage Drive Support for UKIP?
Creators: name: Murphy, Justin
name: Devine, Daniel
Publisher: name: figshare
Year: 2016
Subjects: subject: Statistics
subject: FOS: Mathematics
subject: 200104 Media Studies
subject: FOS: Media and communications
subject: Sociology
subject: FOS: Sociology

description: Previous research suggests media attention may cause support for populist right-wing parties, but extant evidence remains arguable and mostly limited to proportional representation systems in which such an effect would be most likely. At the same time, in the United Kingdom's first-past-the-post system, an ongoing political and regulatory debate revolves around whether the media give disproportionate coverage to the populist right-wing UK Independence Party (UKIP). Thus, we use a mixed-methods approach to investigate the causal dynamics of UKIP support and media coverage as an especially valuable case. Vector autoregression (VAR) using monthly, aggregate time-series data from January 2004 to September 2015 provides new evidence consistent with a model in which media coverage drives party support, but party support does not drive media coverage. Additionally, qualitative investigation of the dynamics suggests that in at least two key periods of stagnating or declining support for UKIP, media coverage increased and was followed by increases in public support. Overall the findings show that media coverage can and does appear to drive public support in a substantively important fashion irreducible to previous levels of public support, even in a national institutional environment least supportive of such an effect. The findings have direct and troubling implications for contemporary political and regulatory debates in the United Kingdom and potentially liberal democracies more generally.
title: Ð Ð°Ð·ÑÐ°Ð±Ð¾ÑÐºÐ° ÑÐ¸ÑÑÐµÐ¼Ñ Ð°Ð½Ð°Ð»Ð¸Ð·Ð°, Ð´Ð¸ÑÐ¿ÐµÑÑÐµÑÐ¸Ð·Ð°ÑÐ¸Ð¸, ÑÐ¿ÑÐ°Ð²Ð»ÐµÐ½Ð¸Ñ ÑÑÑÑÐ¾Ð¹ÑÑÐ²Ð°Ð¼Ð¸ ÐºÐ¾ÑÐ¿Ð¾ÑÐ°ÑÐ¸Ð²Ð½Ð¾Ð¹ ÑÐµÑÐ¸
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÐ°
titleType: Subtitle
title: Development of a system for analysis, dispatching, device management of a corporate network
Creators: name: ÐÐ°Ð¼Ð¸Ð½ÑÐºÐ°Ñ, ÐÐ»ÐµÐºÑÐ°Ñ
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2020
Subjects: IT-ÑÐµÑ Ð½Ð¾Ð»Ð¾Ð³Ð¸Ð¸
Ð¼Ð¾Ð½Ð¸ÑÐ¾ÑÐ¸Ð½Ð³
IT
monitoring
mongoDB
postgreSQL
yhe NOC project

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description: In the given work the essence of the approach to creation of a monitoring system on the basis of use of open technologies PostgreSQL, MongoDB and The Noc Project is stated. The analysis of analog systems is lead. The technology of creation of this class of information systems is investigated. Concrete program realization of a monitoring system
title: The utility of susceptibility weighted image in Parkinson's disease : a correlation study with 18F-FP-CIT PET
Creators: name: Kang, Hyunkoo
Publisher: name: European Congress of Radiology
Year: 2023
Subjects: subject: Neuroradiology brain
subject: MR-Functional imaging
subject: Diagnostic procedure
subject: Image verification

description: Purpose Methods and materials Results Conclusion Personal information and conflict of interest References
description: Purpose: Our study was intended to demonstrate the different signal intensity (SI) pattern of the basal ganglia seen on susceptibility-weighted imaging (SWI) between that of Parkinson's disease (PD) and Normal control groups, and to correlate it with 18F...
Neural networks for link prediction in realistic biomedical graphs: a multi-dimensional evaluation of graph embedding-based approaches.
Creators: name: Crichton, Gamal
name: Guo, Yufan
name: Pyysalo, Sampo
name: Korhonen, Anna-Leena
Publisher: name: Apollo - University of Cambridge Repository
Year: 2018
Subjects: Protein Interaction Mapping
Algorithms
Drug Discovery
Neural Networks, Computer
Knowledge Discovery

description: Background: Link prediction in biomedical graphs has several important applications including predicting Drug-Target Interactions (DTI), Protein-Protein Interaction (PPI) prediction and Literature-Based Discovery (LBD). It can be done using a classifier to output the probability of link formation between nodes. Recently several works have used neural networks to create node representations which allow rich inputs to neural classifiers. Preliminary works were done on this and report promising results. However they did not use realistic settings like time-slicing, evaluate performances with comprehensive metrics or explain when or why neural network methods outperform. We investigated how inputs from four node representation algorithms affect performance of a neural link predictor on random- and time-sliced biomedical graphs of real-world sizes (∼6 million edges) containing information relevant to DTI, PPI and LBD. We compared the performance of the neural link predictor to those of established baselines and report performance across five metrics. Results: In random- and time-sliced experiments when the neural network methods were able to learn good node representations and there was a negligible amount of disconnected nodes, those approaches outperformed the baselines. In the smallest graph (∼15,000 edges) and in larger graphs with approximately 14% disconnected nodes, baselines such as Common Neighbours proved a justifiable choice for link prediction. At low recall levels (∼0.3) the approaches were mostly equal, but at higher recall levels across all nodes and average performance at individual nodes, neural network approaches were superior. Analysis showed that neural network methods performed well on links between nodes with no previous common neighbours; potentially the most interesting links. Additionally, while neural network methods benefit from large amounts of data, they require considerable amounts of computational resources to utilise them. Conclusions: Our results indicate that when there is enough data for the neural network methods to use and there are a negligible amount of disconnected nodes, those approaches outperform the baselines. At low recall levels the approaches are mostly equal but at higher recall levels and average performance at individual nodes, neural network approaches are superior. Performance at nodes without common neighbours which indicate more unexpected and perhaps more useful links account for this.
description: This work was supported by Medical Research Council [grant number MR/M013049/1] and the Cambridge Commonwealth, European and International Trust
Color Sextet Scalars in Early LHC Experiments
Creators: name: Berger, Edmond L.
name: Cao, Qing-Hong
name: Chen, Chuan-Ren
name: Shaughnessy, Gabe
name: Zhang, Hao
Publisher: name: arXiv
Year: 2010
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: We explore the potential for discovery of an exotic color sextet scalar in same-sign top quark pair production in early running at the LHC. We present the first phenomenological analysis at colliders of color sextet scalars with full top quark spin correlations included. We demonstrate that one can measure the scalar mass, the top quark polarization, and confirm the scalar resonance with 1 inverse fb of integrated luminosity. The top quark polarization can distinguish gauge triplet and singlet scalars.
description: Published version. Title changed in the journal. Table added. Modifications made to the text. References added. 4 pages and 3 figures
Pressure effect on superconductivity of $A_{x}$Fe$_2$Se$_2$ ($A$ = K and Cs)
Creators: name: Ying, J. J.
name: Wang, X. F.
name: Luo, X. G.
name: Li, Z. Y.
name: Yan, Y. J.
name: Zhang, M.
name: Wang, A. F.
name: Cheng, P.
name: Ye, G. J.
name: Xiang, Z. J.
name: Liu, R. H.
name: Chen, X. H.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: We performed the high hydrostatic pressure resistivity measurements (up to 1.7 GPa) on the newly discovered superconductors $A_{x}$Fe$_2$Se$_2$ ($A$ = K and Cs) single crystals. Two batches of single crystals $K_xFe_2Se_2$ with different transition temperatures ($T_c$) were used to study the effect of pressure. The $T_c$ of the first one gradually decreases with increasing pressure from 32.6 K at ambient pressure. While a dome-like behavior was observed for the crystal with $T_c=31.1$ K, and $T_c$ reaches its maximum value of 32.7 K at the pressure of 0.48 GPa. It indicates that there exists a optimal doping with maximum $T_c$ of 32.7K in $K_xFe_2Se_2$ system. The behavior of $T_c$ vs. pressure for $Cs_xFe_2Se_2$ also shows a dome-like behavior, and $T_c$ reaches its maximum value of 31.1 K at the pressure of 0.82 GPa. The hump observed in temperature dependence of resistivity for all the samples tends to shift to high temperature with increasing pressure. The resistivity hump could arise from the vacancy of Fe or Se.
title: Improvement of Image Quality and Sharpness in Coronary CT Angiography Using Super-Resolution Deep Learning Reconstruction
Creators: name: Seo, Jung Wook
Publisher: name: European Congress of Radiology
Year: 2023
Subjects: subject: Abdomen
subject: Cardiac
subject: Cardiovascular system
subject: CT-Angiography
subject: CT-High Resolution
subject: CT-Quantitative
subject: Angioscopy
subject: Biopsy
subject: Stents
subject: Cancer
subject: Cardiac Assist Devices
subject: Cysts

description: Purpose Methods and materials Results Conclusion Personal information and conflict of interest References
description: Purpose: Percutaneous coronary angioplasty with stenting has been widely used treatment for patients with stable ischemic heart disease and acute coronary syndrome[1, 2]. After stent placement, the incidence of in-stent restenosis varies with approximately...
Understanding Inter-Concept Relationships in Concept-Based Models
Creators: name: Raman, N
name: Zarlenga, ME
name: Jamnik, M
Publisher: name: OpenReview.net
Year: 2025

description: Concept-based explainability methods provide insight into deep learning systems by constructing explanations using human-understandable concepts. While the literature on human reasoning demonstrates that we exploit relationships between concepts when solving tasks, it is unclear whether concept-based methods incorporate the rich structure of inter-concept relationships. We analyse the concept representations learnt by concept-based models to understand whether these models correctly capture inter-concept relationships. First, we empirically demonstrate that state-of-the-art concept-based models produce representations that lack stability and robustness, and such methods fail to capture inter-concept relationships. Then, we develop a novel algorithm which leverages inter-concept relationships to improve concept intervention accuracy, demonstrating how correctly capturing inter-concept relationships can improve downstream tasks.
Topographic and electronic contrast of the graphene moiré on Ir(111) probed by scanning tunneling microscopy and non-contact atomic force microscopy
Creators: name: Sun, Zhixiang
name: Hämäläinen, Sampsa K.
name: Sainio, Jani
name: Lahtinen, Jouko
name: Vanmaekelbergh, Daniël
name: Liljeroth, Peter
Publisher: name: arXiv
Year: 2010
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: Epitaxial graphene grown on transition metal surfaces typically exhibits a moiré pattern due to the lattice mismatch between graphene and the underlying metal surface. We use both scanning tunneling microscopy (STM) and atomic force microscopy (AFM) experiments to probe the electronic and topographic contrast of the graphene moiré on the Ir(111) surface. While STM topography is influenced by the local density of states close to the Fermi energy and the local tunneling barrier height, AFM is capable of yielding the 'true' surface topography once the background force arising from the van der Waals (vdW) interaction between the tip and the substrate is taken into account. We observe a moiré corrugation of 35$\pm$10 pm, where the graphene-Ir(111) distance is the smallest in the areas where the graphene honeycomb is atop the underlying iridium atoms and larger on the fcc or hcp threefold hollow sites.
description: revised version
Diffraction and quasiclassical limit of the Aharonov--Bohm effect
Creators: name: Sitenko, Yu. A.
name: Vlasii, N. D.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Quantum Physics (quant-ph)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences

description: Since the Aharonov-Bohm effect is the purely quantum effect that has no analogues in classical physics, its persistence in the quasiclassical limit seems to be hardly possible. Nevertheless, we show that the scattering Aharonov-Bohm effect does persist in the quasiclassical limit owing to the diffraction, i.e. the Fraunhofer diffraction in the case when space outside the enclosed magnetic flux is Euclidean, and the Fresnel diffraction in the case when the outer space is conical. Hence, the enclosed magnetic flux can serve as a gate for the propagation of short-wavelength, almost classical, particles. In the case of conical space, this quasiclassical effect which is in principle detectable depends on the particle spin.
description: 12 pages, minor changes, references updated
Partial estimation of covariance matrices
Creators: name: Levina, Elizaveta
name: Vershynin, Roman
Publisher: name: arXiv
Year: 2010
Subjects: subject: Statistics Theory (math.ST)
subject: Probability (math.PR)
subject: FOS: Mathematics
subject: 62H12 (primary), 60B20 (secondary)

description: A classical approach to accurately estimating the covariance matrix Σof a p-variate normal distribution is to draw a sample of size n > p and form a sample covariance matrix. However, many modern applications operate with much smaller sample sizes, thus calling for estimation guarantees in the regime n << p. We show that a sample of size n = O(m log^6 p) is sufficient to accurately estimate in operator norm an arbitrary symmetric part of Σconsisting of m < n entries per row. This follows from a general result on estimating Hadamard products M.Σ, where M is an arbitrary symmetric matrix.
description: 15 pages, to appear in PTRF. Small changes in light of comments from the referee
Next-to-leading resummation of cosmological perturbations via the Lagrangian picture: 2-loop correction in real and redshift spaces
Creators: name: Okamura, Tomohiro
name: Taruya, Atsushi
name: Matsubara, Takahiko
Publisher: name: arXiv
Year: 2011
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: We present an improved prediction of the nonlinear perturbation theory (PT) via the Lagrangian picture, which was originally proposed by Matsubara (2008). Based on the relations between the power spectrum in standard PT and that in Lagrangian PT, we derive analytic expressions for the power spectrum in Lagrangian PT up to 2-loop order in both real and redshift spaces. Comparing the improved prediction of Lagrangian PT with $N$-body simulations in real space, we find that the 2-loop corrections can extend the valid range of wave numbers where we can predict the power spectrum within 1% accuracy by a factor of 1.0 ($z=0.5$), 1.3 (1), 1.6 (2) and 1.8 (3) vied with 1-loop Lagrangian PT results. On the other hand, in all redshift ranges, the higher-order corrections are shown to be less significant on the two-point correlation functions around the baryon acoustic peak, because the 1-loop Lagrangian PT is already accurate enough to explain the nonlinearity on those scales in $N$-body simulations.
description: 18pages, 4 figures
title: Assessing the generalisation performance of a BI-RADS density model trained on full-field digital (FFDM) mammography when applied to 2D digital breast tomosynthesis (DBT) images
Creators: name: Trivedi, Hari
Publisher: name: European Congress of Radiology
Year: 2023
Subjects: subject: Artificial Intelligence
subject: Breast
subject: Computer applications
subject: Mammography
subject: Computer Applications-General
subject: Screening
subject: Cancer

description: Purpose Methods and materials Results Conclusion Personal information and conflict of interest References
description: Purpose: Mammographic density is one of the strongest risk factors for breast cancer, with a two to six fold increase in risk for women in the highest breast density group compared to women of similar age in the lowest group [1]. Breast density also affects...
Measurement of $e^+e^-\to D_s^{(*)+} D_s^{(*)-}$ cross sections near threshold using initial-state radiation
Creators: name: al., G. Pakhlova et
Publisher: name: arXiv
Year: 2010
Subjects: subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: We report a measurement of exclusive $e^+e^-\to D_s^{(*)+} D_s^{(*)-}$ cross sections as a function of center-of-mass energy near $D_s^{(*)+} D_s^{(*)-}$ threshold with initial-state radiation. The analysis is based on a data sample collected with the Belle detector with an integrated luminosity of $967\,\mathrm{fb}^{-1}$.
description: 7 pages, 5 figures. Presented at ICHEP2010, CHARM2010 conferences
Practical optimization methods for machine learning models
Creators: name: Babanezhad Harikandeh, Reza
Publisher: name: University of British Columbia
Year: 2019

description: This work considers optimization methods for large-scale machine learning (ML). Optimization in ML is a crucial ingredient in the training stage of ML models. Optimization methods in this setting need to have cheap iteration cost. First-order methods are known to have reasonably low iteration costs. A notable recent class of stochastic first-order methods leverage variance reduction techniques to improve their convergence speed. This group includes stochastic average gradient (SAG), stochastic variance reduced gradient (SVRG), and stochastic average gradient am´elior´e (SAGA). The SAG and SAGA approach to variance reduction use additional memory in their algorithm. SVRG, on the other hand, does not need additional memory but requires occasional full-gradient evaluation. We first introduce variants of SVRG that require fewer gradient evaluations. We then present the first linearly convergent stochastic gradient method to train conditional random fields (CRFs) using SAG. Our method addresses the memory issues required for SAG and proposes a better non-uniform sampling (NUS) technique. The third part of this work extends the applicability of SAGA to Riemannian manifolds. We modify SAGA with operations existing in the manifold to improve the convergence speed of SAGA in these new spaces. Finally, we consider the convergence of classic stochastic gradient methods, based on mirror descent (MD), in non-convex setting. We analyse the MD with more general divergence function and show its application for variational inference models.
title: Susceptibility Imaging (SWI) Morphologic Patterns and High-Order Radiomics of Baseline and Post-Treatment Advanced MRI of Extremity Soft-Tissue Undifferentiated Pleomorphic Sarcoma
Creators: name: Duran-Sierra, Elvis
Publisher: name: European Congress of Radiology
Year: 2023
Subjects: subject: Musculoskeletal soft tissue
subject: Musculoskeletal system
subject: Oncology
subject: MR
subject: MR-Functional imaging
subject: PACS
subject: Computer Applications-General
subject: Education
subject: Outcomes analysis
subject: Cancer
subject: Education and training
subject: Neoplasia

description: Purpose Methods and materials Results Conclusion Personal information and conflict of interest References
description: Purpose: To determine the predictive value of morphologic patterns and high-order radiomic features [1] obtained from advanced MRI protocol performed with contrast-enhanced susceptibility (SWI-CE) [2] and to characterize treatment response in patients with...
Disability is Diversity: Challenging perceptions about disabled people and improving our experience in academia
Creators: name: Sosa, Karla
Publisher: name: figshare
Year: 2020
Subjects: Uncategorized

description: Handout describing disability and ableism, and providing some advice on how to manage academia as a disabled person as well as how to create inclusive classrooms. It was generated as part of the programming done by the Duke Biology Inclusion, Diversity, Equity and Anti-Racism (IDEA) Graduate Committee.
Semantic Content Generation for News Domain
Creators: name: Guhathakurta, Rahul
Publisher: name: figshare
Year: 2016
Subjects: subject: Library and Information Studies
subject: FOS: Media and communications
subject: 80403 Data Structures
subject: FOS: Computer and information sciences
subject: Data Format

description: Abstract: A true form of “News” was never meant to be just a piece of information, but in fact it has been always based upon reader’s affiliation towards one or more particular causes and its consequent effects. If we look in to the past, News content distributors like Thomson Reuters, Associated Press, former ITAR-TASS were always into the business of creating information substances delivering a country’s objectives and eventually portraying ideological make-up of its own people. Soon, Governments and Revolutionaries understood the power of news and its various forms which gradually became a very integral part of domestic and international propaganda system, directly serving a nation’s primary objective under various controlled information release format.
From Must to May: Enabling Test-Time Feature Imputation and Interventions
Creators: name: Rex, E
name: Zarlenga, ME
name: Margeloiu, A
name: Jamnik, M
Publisher: name: CEUR-WS.org
Year: 2025

description: Interpretable machine learning models can be improved by correcting mispredicted intermediate steps via test-time interventions on their intermediate predictions. Methods that jointly learn to impute missing features and predict a downstream task can benefit from such interventions. However, determining which features to prioritise for intervention remains a challenge. To address this, we propose F-Act, a novel method employing feature selection to adaptively manage feature availability during test-time. Our approach achieves this by combining in-model imputation and test-time interventions on intermediate predictions to avoid the need for model retraining. Furthermore, F-Act can recommend which features to prioritise when collecting data, a key property when optimising performance in resource-limited environments. Our empirical analysis shows F-Act performs competitively or better than previous baselines in inference tasks with missing features when incorporating feature collection recommendations. Additionally, we show F-Act can incorporate missing feature values through test-time interventions, improving predictive performance without retraining across tasks.