cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
New effective interactions for hypernuclei in density dependent relativistic mean field model
Creators: name: Rong, Yu-Ting
name: Tu, Zhong-Hao
name: Zhou, Shan-Gui
Publisher: name: arXiv
Year: 2021
Subjects: subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: New effective $ΛN$ interactions are proposed for the density dependent relativistic mean field model. The multidimensionally constrained relativistic mean field model is used to calculate ground state properties of eleven known $Λ$ hypernuclei with $A\ge 12$ and the corresponding core nuclei. Based on effective $NN$ interactions DD-ME2 and PKDD, the ratios $R_σ$ and $R_ω$ of scalar and vector coupling constants between $ΛN$ and $NN$ interactions are determined by fitting calculated $Λ$ separation energies to experimental values. We propose six new effective interactions for $Λ$ hypernuclei: DD-ME2-Y1, DD-ME2-Y2, DD-ME2-Y3, PKDD-Y1, PKDD-Y2 and PKDD-Y3 with three ways of grouping and including these eleven hypernuclei in the fitting. It is found that the two ratios $R_σ$ and $R_ω$ are correlated well and there holds a good linear relation between them. The statistical errors of the ratio parameters in these effective interactions are analyzed. These new effective interactions are used to study the equation of state of hypernuclear matter and neutron star properties with hyperons.
description: 11 pages, 4 figures
Advance letters as a way of reducing non-response in a National Health Telephone Survey: Differences between listed and unlisted numbers
Creators: name: Von Der Lippe, Elena
name: Schmich, Patrick
name: Lange, Cornelia
Publisher: name: European Survey Research Association
Year: 2011
Subjects: CATI; Nonresponse

description: The paper reports a methodological study based on the German Health Update Survey 2009. The study generated telephone numbers randomly and determined the listing status of the selected numbers. The set of listed numbers was randomly split: one half received advance letters, the other half did not. Differences in response rates and demographic characteristics are analyzed in detail.
description: Survey Research Methods, Vol 5, No 3 (2011)
Military And Media Relations In History And Modern Military Public Affairs Practices
Creators: name: Σμηλιάνης, Χρήστος Σπυρίδωνος
Publisher: name: Aristotle University of Thessaloniki
Year: 2019
Subjects: Στρατιωτικές δημόσιες σχέσεις
Ενσωματωμένοι δημοσιογράφοι
Προπαγάνδα
Military public affairs
Embedded Journalists
Propaganda

description: Media has changed and affected every aspect of life as it has shifted the functions of democracies towards more liberalism. Even in many totalitarian regiments, media could affect the population and influence it towards or against (depending on the level of governmental control) a regiment. The power of media, which nowadays is increasing due to the prevalence of the internet and the news media, cannot leave unaffected the way armies operate and their need to communicate their messages within or beyond the theater of operations. War, the most extreme expression of violence and power, has been significantly touched by the press and the media, which actually is another form and expression of power. This dissertation is to examine the way the press and the militaries have interacted through military history. Moreover, this dissertation will question how the interaction with the press has affected the way armies conduct media relations and the practices they use when working with the media in order to cope with the challenges of the modern information environment
description: Τα ΜΜΕ έχουν αλλάξει και επηρεάσει κάθε πλευρά της ζωής καθώς μεταβάλουν τις λειτουργίες της δημοκρατίας στο να είναι πιο φιλελεύθερες. Ακόμα και σε απολυταρχικά καθεστώτα, τα ΜΜΕ μπορούν να επηρεάσουν τον πληθυσμό και να τον κατευθύνουν υπέρ ή κατά του καθεστώτος (ανάλογα του βαθμού κυβερνητικού ελέγχου). Η δύναμη των ΜΜΕ, η οποία σήμερα αυξάνεται εξαιτίας της επικράτησης του ίντερνετ και των νέων ΜΜΕ, δεν θα μπορούσε να αφήσει ανεπηρέαστο τον τρόπο που οι Στρατοί επιχειρούν και την ανάγκη τους να επικοινωνούν τα μηνύματα του μέσα και πέρα από το θέατρο των επιχειρήσεων. Ο πόλεμος, η πιο ακραία μορφή έκφρασης βίας και εξουσίας, έχει μεταβληθεί σημαντικά από τα ΜΜΕ και τον Τύπο, που στην πραγματικότητα είναι άλλη μια μορφή έκφρασης εξουσίας. Αυτή η διατριβή εξετάζει τον τρόπο που ο Τύπος και οι στρατοί αλληλοεπιδράσανε μέσα στην στρατιωτική ιστορία. Επίσης θα εξετάσει πώς η αλληλεπίδραση με τον Τύπο έχει επηρεάσει τον τρόπο που οι στρατοί διεξάγουν τις σχέσεις τους με τα ΜΜΕ και τις πρακτικές που χρησιμοποιούν όταν δουλεύουν με τον Τύπο, με σκοπό να αντιμετωπίσουν τις προκλήσεις του σύγχρονου πληροφοριακού περιβάλλοντος
Geosynthetic stabilization of unpaved roads on soft ground : a field evaluation
Creators: name: Sigurdsson, Oddur
Publisher: name: University of British Columbia
Year: 2008

description: A full scale field trial was carried out to investigate the performance of different geosynthetics in unpaved road construction over soft ground. The test site comprises five 16 m long, by 4.5 m wide test sections, built on a subgrade of undrained shear strength approximately 40 kPa. One is unreinforced and serves as a control section in the study, three sections include a geotextile, and one includes a geogrid. Each test section incorporated a variable thickness of sandy gravel base course material, between 25 and 50 cm thick. They were trafficked in sequence by a vehicle of standard axle load. An important governing parameter for interpretation of behavior is the influence of base course thickness on the relationship between number of passes and rut depth. Performance of the test sections was evaluated from measurements of rut depth, base course thickness, base course deformations, geosynthetic strain, and deformed profile of the geosynthetic, with increasing number of vehicle passes. Vehicle trafficking was continued to a rut depth of about 20 cm, which constitutes a serviceability failure. Results from the full scale field trial show a better performance in the reinforced sections than the unreinforced section. The performance of the unreinforced section shows good agreement with other well-documented field data at large rut depths, between 10 and 15 cm, but not at small ruts. Although the four geosynthetics exhibited a broad range of stiffness and material properties, the general performance of the four reinforced sections was similar on the thicker base course layers. This is attributed to a reinforced mechanism governed by stiffness and separation, and all materials appear adequately stiff for the site condition and vehicle loading. On the thinner subgrades, a tensioned-membrane effect is mobilized, and a significant difference is observed between the geosynthetics.
PREVENTION AND MANAGEMENT OF PERI-IMPLANT MUCOSITIS AND PERI-IMPLANTITIS: A SYSTEMATIC REVIEW OF CLINICAL OUTCOME MEASURES REPORTED OVER THE PAST DECADE
Creators: name: Ziyayeva, Feruza
Publisher: name: Zenodo
Year: 2025

description: Although dental implants generally offer favorable long-term outcomes, both technical and biological complications can still occur. A deeper understanding of the development, prevention, and treatment of peri-implant diseases is important for both patients and dental professionals. Peri-implant diseases are chronic inflammatory conditions caused by bacterial infection. Peri-implant mucositis is characterized by inflammation limited to the soft tissue surrounding the implant, whereas peri-implantitis also involves progressive bone loss that supports the implant. If left untreated, peri-implantitis often leads to implant failure due to its progressive nature.
O'ZBEKISTON IRRIGATSIYA QURILISHI TARIXIDA "QASHISTROY" BIRLASHMASINING AHAMIYATI
Creators: name: Qodirov, Islom
Publisher: name: Zenodo
Year: 2024

description: Ushbu maqolada sovet davrida Qarshi cho‘lining o‘zlashtir jarayonlarining boshlanishi, uning olib borilishi va ahamiyati haqida tarixiy dalillar asosida ma’lumot beriladi.
A proof of Waldhausen's uniqueness of splittings of S^3 (after Rubinstein and Scharlemann)
Creators: name: Rieck, Yo'av
Publisher: name: arXiv
Year: 2006
Subjects: subject: Geometric Topology (math.GT)
subject: FOS: Mathematics
subject: 57M25, 57M99

description: In [Topology 35 (1996) 1005--1023] J H Rubinstein and M Scharlemann, using Cerf Theory, developed tools for comparing Heegaard splittings of irreducible, non-Haken manifolds. As a corollary of their work they obtained a new proof of Waldhausen's uniqueness of Heegaard splittings of S^3. In this note we use Cerf Theory and develop the tools needed for comparing Heegaard splittings of S^3. This allows us to use Rubinstein and Scharlemann's philosophy and obtain a simpler proof of Waldhausen's Theorem. The combinatorics we use are very similar to the game Hex and requires that Hex has a winner. The paper includes a proof of that fact (Proposition 3.6).
description: This is the version published by Geometry & Topology Monographs on 3 December 2007
Biological specimens for community-based surveillance studies: Method of recruitment matters
Creators: name: Coleman, Brenda L.
name: Gutmanis, Iris A.
name: Bondy, Susan J.
name: McGeer, Allison J.
name: Salvadori, Marina I.
name: Louie, Marie
Publisher: name: European Survey Research Association
Year: 2011
Subjects: biological specimens; data collection; health surveys; interviews

description: Studies requiring the collection of biological specimens are often difficult to perform and costly. We compare face-to-face and telephone interviews to determine which is more effective for return of self-collected rectal swabs from subjects living in rural and semi-rural areas of Ontario, Canada. People interviewed face-to-face in 2006-2007 were asked to provide a rectal swab while the interviewer waited. Those interviewed by telephone were sent a package and asked to return the swab by mail, with one follow-up reminder call. Telephone interviewing resulted in a higher response rate for the completion of household and individual-level questionnaires. However, face-to-face interviews resulted in a significantly higher proportion of interviewees who returned swabs making the participation rate higher for this mode of contact (33.7 versus 25.0 percent). Using multivariable logistic regression, higher rates of rectal swab return were associated with face-to-face interviewing while adjusting for the impact of household size and respondent age and sex. For studies requiring the submission of intimate biological samples, face-to-face interviews can be expected to provide a higher rate of return than telephone interviews.
description: Survey Research Methods, Vol 5, No 3 (2011)
Performance of the Half-Open Interval Missed Housing Unit Procedure
Creators: name: Eckman, Stephanie
name: O'Muircheartaigh, Colm
Publisher: name: European Survey Research Association
Year: 2011
Subjects: undercoverage; housing unit frames; half-open interval; listing; interviewers; incomplete frames

description: The half-open interval procedure seems to offer an inexpensive method of reducing undercoverage in housing unit frames during data collection. Interviewers check the areas near their selected cases, and, if they find any units missing from the frame, give them a chance of selection. However, the effectiveness of the method in the field has not been tested. This paper reviews how the procedure should work and presents evidence from two surveys about its performance in practice. We show experimentally that the procedure often fails to reduce undercoverage and can introduce overcoverage. We conclude with thoughts about the appropriate role for the half-open interval procedure in household surveys in the future.
description: Survey Research Methods, Vol 5, No 3 (2011)
Supersymmetric Euler-Heisenberg effective action: Two-loop results
Creators: name: Kuzenko, Sergei M.
name: Tyler, Simon J.
Publisher: name: arXiv
Year: 2007
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: The two-loop Euler-Heisenberg-type effective action for N = 1 supersymmetric QED is computed within the background field approach. The background vector multiplet is chosen to obey the constraints D_\a W_\b = D_{(\a} W_{\b)} = const, but is otherwise completely arbitrary. Technically, this calculation proves to be much more laborious as compared with that carried out in hep-th/0308136 for N = 2 supersymmetric QED, due to a lesser amount of supersymmetry. Similarly to Ritus' analysis for spinor and scalar QED, the two-loop renormalisation is carried out using proper-time cut-off regularisation. A closed-form expression is obtained for the holomorphic sector of the two-loop effective action, which is singled out by imposing a relaxed super self-duality condition.
description: 27 pages, 2 eps figures, LaTeX; V2: typos corrected, comments and reference added
Value Systems of Fathers, Mothers and Adolescents: Do Parents and their Children Construe Basic Values in the Same Way?
Creators: name: Barni, Daniela
name: Knafo, Ariel
Publisher: name: European Survey Research Association
Year: 2012
Subjects: value systems; comparability; parents; adolescents

description: In the literature on family transmission of values, parents' value priorities have been often compared to their children's ones in order to reveal intergenerational similarities as well as differences. Most studies have implicitly assumed that parents' and children's value systems are completely comparable; however, evidence is needed that the meaning of certain values is the same for the two generations. The general aim of this study was to examine empirically the meanings of a large set of values to parents and to their adolescent children. Participants were 381 Italian family triads (father, mother and one adolescent child), who were asked to fill in the Schwartz's Portrait Values Questionnaire. Multidimensional scaling analyses revealed that parents and adolescents distinguished a similar number of value dimensions. However, some inconsistencies emerged between parents and adolescents as far as the organization of values (congruencies and conflicts among values) was concerned. The implications of these findings for the study of value transmission were discussed.
description: Survey Research Methods, Vol 6, No 1 (2012): Special Issue on the Theory of Human Values
Complete and Deterministic discrimination of polarization Bell state assisted by momentum entanglement
Creators: name: Barbieri, M.
name: Vallone, G.
name: Mataloni, P.
name: De Martini, F.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: A complete and deterministic Bell state measurement was realized by a simple linear optics experimental scheme which adopts 2-photon polarization-momentum hyperentanglement. The scheme, which is based on the discrimination among the single photon Bell states of the hyperentangled state, requires the adoption of standard single photon detectors. The four polarization Bell states have been measured with average fidelity $F=0.889\pm0.010$ by using the linear momentum degree of freedom as the ancilla. The feasibility of the scheme has been characterized as a function of the purity of momentum entanglement.
description: 4 pages, v2, comments added
Rockfall susceptibility and network-ranked susceptibility along the Italian railway
Creators: name: Alvioli, Massimiliano
name: Santangelo, Michele
name: Fiorucci, Federica
name: Cardinali, Mauro
name: Marchesini, Ivan
name: Reichenbach, Paola
name: Rossi, Mauro
name: Guzzetti, Fausto
name: Peruccacci, Silvia
Publisher: name: arXiv
Year: 2021
Subjects: subject: Physics and Society (physics.soc-ph)
subject: Geophysics (physics.geo-ph)
subject: FOS: Physical sciences

description: Rockfalls pose a substantial threat to ground transportation, due to their rapidity, destructive potential and high probability of occurrence on steep topographies, found along roads and railways. Approaches for assessment of rockfall susceptibility range from purely phenomenological methods and statistical methods, suitable for modeling large areas, to purely deterministic ones, usually easier to use in local analyses. A common requirement is the need to locate potential detachment points, often found uphill on cliffs, and the subsequent assessment of the runout areas of rockfalls stemming from such points. Here, we apply a physically based model to calculate rockfall trajectories along the whole Italian railway network, within a corridor of total length of about 17,000 km and varying width. We propose a data-driven method for the location of rockfall source points based on expert mapping of potential source areas on sample representative locations. Using empirical distributions of gridded slope values in source areas mapped by experts, we derived probabilistic maps of rockfall sources in the proximity of the railway network, regardless of a particular trigger. Source areas act as starting points of simulated trajectories in the three-dimensional model STONE. The program provides a pixel-by-pixel trajectory count, covering 24,500 km2, the largest homogeneous application of the model to date. We classified the map into a vector susceptibility map of the segments of the railway, for which we provide segment-wise rockfall susceptibility. Eventually, we considered a graph representation of the network to classify the segments both on the basis of rockfall susceptibility and the role of each segment in the network, resulting in a network-ranked susceptibility. Both maps are useful for subsequent hazard assessment, and to prioritize safety improvements along the railway, at national scale.
description: 22 pages, 9 figures, 6 tables. Published version
Magnetic-field cycling induced anomalous irreversibility in resistivity of charge-ordered manganites
Creators: name: Mavani, K. R.
name: Paulose, P. L.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: The rare-earth ions (RE = Eu, Dy Ho, Tm, Y) substituted charge-ordered antiferromagnetic manganites, Pr0.45RE0.05Ca0.5MnO3, were studied for the magnetic and the transport properties in the presence of external magnetic-fields of up to 14 Tesla. Regardless of the intrinsic magnetic property of RE ions, all the compounds exhibit successive step-like metamagnetic transitions at low temperatures, which are strongly correlated to their electronic transitions. At any fixed temperature in two different temperature-regimes, we observed contrary effects of the magnetic-field cycling on the resistivity of these manganites, namely, i) in the low temperature regime (<70 K), the resistivity was irreversible showing lower values than initial after a magnetic-field cycle was over, which is consistent with the irreversible magnetization, and ii) in a temperature regime above 70 K, the resistivity is irreversible with noticeably higher values than initial, whereas the magnetization was found to be reversible. For the latter case, we further show that this irreversibility of resistivity systematically depends on the temperature and the magnitude of applied magnetic-field. These results suggest that the observed resistivity behavior originated from the magnetic-field induced metamagnetic transitions and training effect.
description: 11 pages including 1 table and 7 figures. To appear in Europhysics Letters
Conductivity and thermoelectric coefficients of doped SrTiO$_3$ at high temperatures
Creators: name: Nazaryan, Kh. G.
name: Feigelman, M. V.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Other Condensed Matter (cond-mat.other)
subject: FOS: Physical sciences

description: We developed a theory of electric and thermoelectric conductivity of lightly doped SrTiO$_3$ in the non-degenerate region $k_B T \geq E_F$, assuming that the major source of electron scattering is their interaction with soft transverse optical phonons present due to proximity to ferroelectric transition. We have used kinetic equation approach within relaxation-time approximation and we have determined energy-dependent transport relaxation time $τ(E)$ by the iterative procedure. Using electron effective mass $m$ and electron-transverse phonon coupling constant $λ$ as two fitting parameters, we are able to describe quantitatively a large set of the measured temperature dependences of resistivity $R(T)$ and Seebeck coefficient $\mathcal{S}(T)$ for a broad range of electron densities studied experimentally in recent paper [1]. In addition, we calculated Nernst ratio $ν=N/B$ in the linear approximation over weak magnetic field in the same temperature range.
description: 10 pages, 7 figures
Elicitation of verb paradigms
Creators: name: Parker, Verdena
name: Escamilla, Ramón
name: Newbold, Lindsey
name: Spence, Justin
Publisher: name: California Language Archive, University of California, Berkeley
Year: 2021
Subjects: subject: hup

description: Audio files VP-240308-01 and VP-240308-02: Verb paradigm elicitation ('sit').
Human Values and Trust in Institutions across Countries: A Multilevel Test of Schwartz's Hypothesis of Structural Equivalence
Creators: name: Morselli, Davide
name: Spini, Dario
name: Devos, Thierry
Publisher: name: European Survey Research Association
Year: 2012
Subjects: values; trust in institutions; multilevel structural equation modelling; World Values Survey

description: The goal of this article was to show how structural equation modelling associated to multilevel regressions represents a powerful tool to examine innovative cross-cultural research questions. The relationship between values and trust in institutions was investigated in four cross-cultural datasets: three were students and teacher samples; the last was a general sample from the 2005 World Values Survey (WVS). The hypothesis of equivalence of the structure of relations between values and trust in institutions (sinusoid curve hypothesis) was tested with a series of multilevel multiple indicators and multiple causes models with random slopes. Structural equivalence was confirmed for student samples, but not for the general sample. The between-country variance of the relationship between values and trust in the general sample was partially explained by country level differences in socio-economic wealth and quality of governance.
description: Survey Research Methods, Vol 6, No 1 (2012): Special Issue on the Theory of Human Values
Ο ερασιτεχνικός υποτιτλισμός στην Ελλάδα: Συγκριτική ανάλυση των κωμικών σειρών The Good Place και Brooklyn Nine Nine
Creators: name: Ζβε, Μαρίνα Ρωμανού
Publisher: name: Aristotle University of Thessaloniki
Year: 2019
Subjects: Ερασιτεχνικός υποτιτλισμός
Υποτιτλισμός
Συγκριτική ανάλυση
Fansubbing
Subtitling
Comparative analysis

description: Η εργασία είχε στόχο, σε θεωρητικό επίπεδο, τη συγκέντρωση στοιχείων και δεδομένων για το φαινόμενο του fansubbing στην Ελλάδα μέσα από την επισκόπηση της διεθνούς βιβλιογραφίας. Σε πρακτικό επίπεδο, αποσκοπούσε στη συλλογή δεδομένων από ανθρώπους που ασχολούνται με το fansubbing για την απάντηση των ερευνητικών ερωτημάτων και της ερευνητικής υπόθεσης της εργασίας: ποιοι είναι οι fansubbers, τι εμπειρία έχουν με τον υποτιτλισμό, εάν ακολουθούν τις ίδιες πρακτικές με τον επαγγελματικό υποτιτλισμό ή δικές τους συμβάσεις. Στο πλαίσιο της εργασίας, πραγματοποιήθηκε επίσης, συγκριτική ανάλυση υπότιτλων δύο κωμικών σειρών που δημιουργήθηκαν από επαγγελματίες υποτιτλιστές και από fansubbers για την εξέταση των διαφορών ή ομοιοτήτων στα προϊόντα του επαγγελματικού και του ερασιτεχνικού υποτιτλισμού αντίστοιχα
description: The aim of the present thesis was to firstly collect data regarding the phenomenon of fansubbing in Greece through the study of international bibliography. Secondly, it aimed to collect data from the fansubbers themselves as to find answers to the researching questions: who are fansubbers, how much experience do they have with translation and subtitling, and do they follow the same rules regarding subtitling. To get a more complete idea of the differences or lack thereof between professional subtitling and fansubbing, a comparative study was completed of subtitles for two sitcom series created by professional subtitlers on the one hand and by fansubbers on the other
MODETR: Moving Object Detection with Transformers
Creators: name: Mohamed, Eslam
name: El-Sallab, Ahmad
Publisher: name: arXiv
Year: 2021
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: Machine Learning (cs.LG)
subject: FOS: Computer and information sciences

description: Moving Object Detection (MOD) is a crucial task for the Autonomous Driving pipeline. MOD is usually handled via 2-stream convolutional architectures that incorporates both appearance and motion cues, without considering the inter-relations between the spatial or motion features. In this paper, we tackle this problem through multi-head attention mechanisms, both across the spatial and motion streams. We propose MODETR; a Moving Object DEtection TRansformer network, comprised of multi-stream transformer encoders for both spatial and motion modalities, and an object transformer decoder that produces the moving objects bounding boxes using set predictions. The whole architecture is trained end-to-end using bi-partite loss. Several methods of incorporating motion cues with the Transformer model are explored, including two-stream RGB and Optical Flow (OF) methods, and multi-stream architectures that take advantage of sequence information. To incorporate the temporal information, we propose a new Temporal Positional Encoding (TPE) approach to extend the Spatial Positional Encoding(SPE) in DETR. We explore two architectural choices for that, balancing between speed and time. To evaluate the our network, we perform the MOD task on the KITTI MOD [6] data set. Results show significant 5% mAP of the Transformer network for MOD over the state-of-the art methods. Moreover, the proposed TPE encoding provides 10% mAP improvement over the SPE baseline.
Realization of a single Josephson junction for Bose-Einstein condensates
Creators: name: Gati, Rudolf
name: Albiez, Micheal
name: Foelling, Jonas
name: Hemmerling, Boerge
name: Oberthaler, Markus K.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Other Condensed Matter (cond-mat.other)
subject: FOS: Physical sciences

description: We report on the realization of a double-well potential for Rubidium-87 Bose-Einstein condensates. The experimental setup allows the investigation of two different dynamical phenomena known for this system - Josephson oscillations and self-trapping. We give a detailed discussion of the experimental setup and the methods used for calibrating the relevant parameters. We compare our experimental findings with the predictions of an extended two-mode model and find quantitative agreement.
A GIS application for regional streamflow analysis
Creators: name: Cathcart, Jaime G.
Publisher: name: University of British Columbia
Year: 2008

description: Regional analysis is a statistical procedure used by hydrologists to estimate streamflow parameters for ungauged streams. The procedure involves analyzing historical flow records for streams in a particular region, in order to estimate flows for other streams in the region. Traditionally, the process of obtaining and summarizing relevant streamflow data has been rather inefficient and time-consuming. Regional streamflow analysis is performed frequently in British Columbia, and there is a need for a system designed to facilitate this process. This thesis involves the development of such a system. The system is comprised of a computer program (DATSUM) which statistically analyzes and then summarizes streamflow data for British Columbia, in a format which can be read and displayed by a geographic information system(GIS). Water Survey of Canada (WSC) streamflow records are the raw database, and the GIS used for this project is a locally developed product, known as QUIKMap. The system operates on DOS based personal computers, and information is presented to the user as a series of symbols on a digitized map of the major rivers and streams of B.C. Each symbol represents a WSC streamflow station, and detailed information about each station can be simply obtained by selecting the stations of choice with an electronic computer mouse. This information can then be used for regional analyses or other streamflow dependent applications. The thesis also involves adapting a flow estimating program, called FLOOD, to make it compatible with the DATSUM program. The FLOOD program estimates extreme high or low flows for streams with little or no streamflow data, and is perfectly suited to be used in conjunction with the DATSUM / GIS system. Finally, use of the DATSUM / GIS system is illustrated with a regional analysis of the Kitseguecla River. The results are then used as input for the FLOOD program, and the river's 200 year flood is estimated.
Regularized estimation of large covariance matrices
Creators: name: Bickel, Peter J.
name: Levina, Elizaveta
Publisher: name: arXiv
Year: 2008
Subjects: subject: Statistics Theory (math.ST)
subject: FOS: Mathematics
subject: 62H12 (Primary) 62F12, 62G09 (Secondary)

description: This paper considers estimating a covariance matrix of $p$ variables from $n$ observations by either banding or tapering the sample covariance matrix, or estimating a banded version of the inverse of the covariance. We show that these estimates are consistent in the operator norm as long as $(\log p)/n\to0$, and obtain explicit rates. The results are uniform over some fairly natural well-conditioned families of covariance matrices. We also introduce an analogue of the Gaussian white noise model and show that if the population covariance is embeddable in that model and well-conditioned, then the banded approximations produce consistent estimates of the eigenvalues and associated eigenvectors of the covariance matrix. The results can be extended to smooth versions of banding and to non-Gaussian distributions with sufficiently short tails. A resampling approach is proposed for choosing the banding parameter in practice. This approach is illustrated numerically on both simulated and real data.
description: Published in at http://dx.doi.org/10.1214/009053607000000758 the Annals of Statistics (http://www.imstat.org/aos/) by the Institute of Mathematical Statistics (http://www.imstat.org)
Κατανεμημένοι αλγόριθμοι ελέγχου ανωμαλιών με βάση την πυκνότητα σε ροές δεδομένων
Creators: name: Καλλιαντζής, Ιωάννης Αθανασίου
Publisher: name: Aristotle University of Thessaloniki
Year: 2019
Subjects: Εντοπισμός ανωμαλιών
Κατανεμημενοι αλγοριθμοι
Ροές Δεδομένων
Anomaly detection
Distributed algorithms
Data streams

description: Ο εντοπισμός ανωμαλιών σε δεδομένα είναι ένα πρόβλημα που συναντάται σε πολλαπλά πεδία εφαρμογών και σε διάφορες ερευνητικές περιοχές. Ανάλογα και τη φύση του κάθε προβλήματος, αλγόριθμοι έχουν αναπτυχθεί για να λύσουν τα θέματα που προκύπτουν. Σε αυτή τη δουλειά επικεντρωνόμαστε στον εντοπισμό ανωμαλιών χρησιμοποιώντας την πυκνότητα των δεδομένων και συγκεκριμένα στον αλγόριθμο Approximate Local Correlation Integral (ALOCI). Μελετήσαμε, τροποποιήσαμε και υλοποιήσαμε αυτόν τον πολύ γνωστό αλγόριθμο σε μία παράλληλη και κατανεμημένη μορφή, ενώ τον βολτιώσαμε για να μπορεί να υποστηρίξει ροές δεδομένων είτε με append-only είτε με sliding-window τεχνικές. Για την υλοποίηση χρησιμοποιήθηκε το Apache Spark framework, που είναι μία από τις καλύτερες πλατφόρμες επεξεργασίας μεγάλων δεδομένων στις μέρες μας
description: Anomaly detection is a problem that arose across many different application domains and research areas. In respect to the context of each case, algorithms have been implemented to tackle this issue. In this work, we concentrate on the density-based methods and particularly to the Approximate Local Correlation Integral (ALOCI) algorithm. We implemented this wellknown algorithm in a distributed way that works with big data streams either in an incremental or a sliding-window based approach, by leveraging frameworks that are aimed to tackle problems around the emerging area of Big Data, such as the Apache Spark
A Comparison of two different jet algorithms for the top mass reconstruction at the LHC
Creators: name: Seymour, Michael H.
name: Tevlin, Christopher
Publisher: name: arXiv
Year: 2006
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We compare the abilities of the cluster-type jet algorithm, KtJet, and a mid-point iterating cone algorithm to reconstruct the top mass at the LHC. We discuss the information contained in the merging scales of cluster-type algorithms, and how this can be used in experimental analyses, as well as the different sources of systematic errors for the two algorithms. We find that the sources of systematic error are different for the two algorithms, which may help to better constrain the systematic error on the top mass at the LHC.
description: 21 pages, 16 figures, accepted by JHEP
Elicitation of vocabulary for new technologies
Creators: name: Parker, Verdena
name: Escamilla, Ramón
name: Newbold, Lindsey
name: Spence, Justin
Publisher: name: California Language Archive, University of California, Berkeley
Year: 2021
Subjects: subject: hup

description: Audio files VP-230308-10a/c: Elicitation of vocabulary for technologies introduced since the 19th century, focusing on differences between Verdena's variety of Hupa and Redwood Creek dialects.
Half-Skyrmions and Spike-Vortex Solutions of Two-Component Nonlinear Schrodinger Systems
Creators: name: Lin, Tai-Chia
name: Wei, Juncheng
Publisher: name: arXiv
Year: 2007
Subjects: subject: Analysis of PDEs (math.AP)
subject: Mathematical Physics (math-ph)
subject: FOS: Mathematics
subject: FOS: Physical sciences

description: Recently, skyrmions with integer topological charges have been observed numerically but have not yet been shown rigorously on two-component systems of nonlinear Schrodinger equations (NLSE) describing a binary mixture of Bose-Einstein condensates. Besides, half-skyrmions characterized by half-integer topological charges can also be found in the nonlinear sigma model which is a model of the Bose-Einstein condensate of the Schwinger bosons. Here we prove rigorously the existence of half-skyrmions which may come from a new type of soliton solutions called spike-vortex solutions of two-component systems of NLSE on the entire plane. These spike-vortex solutions having spikes in one component and a vortex in the other component may form half-skyrmions. By Liapunov-Schmidt reduction process, we may find spike-vortex solutions of two-component systems of NLSE.
description: to appear in J.Math.Phys
Η εικονογραφική δραστηριότητα του εργαστηρίου της Αγιάς Λαρίσης σε ναούς της Ημαθίας
Creators: name: Λιλιόπουλος, Νικόλαος Παναγιώτη
Publisher: name: Aristotle University of Thessaloniki
Year: 2019
Subjects: Ημαθία
Εργαστήριο Αγιάς Λάρισας
Εικονογραφία
Imathia
Laboratory in Agia, Larissa
Iconography

description: Ο 18ο αιώνας ήταν εξαιρετικά παραγωγικός σε έργα τέχνης στα Βαλκάνια. Στα μέσα του αιώνα ένα συνεργείο ζωγράφων από την Αγιά Λαρίσης φτάνει και εργάζεται στην περιοχή της Ημαθίας. Ζωγραφίζει ναούς στην πόλη, σε χωριά και σε μία μονή της Βέροιας. Στην εργασία γίνεται προσπάθεια να δοθεί η γενικότερη κοινωνική και ιστορική ανάλυση της εποχής των δημιουργών, να παρουσιαστεί το σύνολο του έργου τους στους ναούς της Ημαθίας και τέλος να εντοπισθούν οι επιρροές και τα πρόσωπα που τα δημιούργησαν
description: The 18th century was extremely productive in artwork in the Balkans. In the middle of the century a group of painters from Agia Larissa arrives and works in the area of Imathia. They paint temples in the city, in villages and in a monastery in Veria. This paper attempts to describe the general social and historical analysis of the creators’period, to present all their work in the temples of Imathia and finally to identify the influences and the persons who created them
A comparison of the invariance properties of the PVQ-40 and the PVQ-21 to measure human values across German and Polish Samples
Creators: name: Cieciuch, Jan
name: Davidov, Eldad
Publisher: name: European Survey Research Association
Year: 2012
Subjects: human values; configural, metric, and scalar invariance; PVQ-40; PVQ-21

description: The Schwartz theory of basic human values has promoted a revival of empirical research on values in cross-cultural, social, and personality psychology. A central topic in the application of values is comparing them across cultures. This study examines the measurement invariance of the full 40-item version of the Portrait Values Questionnaire (PVQ) as compared to the 21-item version as applied in the European Social Survey (ESS). The research was carried out on a total sample of 1,204 individuals in Poland and Germany. Measurement invariance was tested using two-group confirmatory factor analyses. Analyses revealed that all the values measured by the PVQ-40 displayed not only configural and metric but also partial scalar invariance for all 10 values with the exception of the stimulation value, thus allowing the mean comparison of nine out of the 10 postulated values. However, the 21-item version achieved partial scalar only for seven values. We conclude that the PVQ-40 is more appropriate for cross-cultural research.
description: Survey Research Methods, Vol 6, No 1 (2012): Special Issue on the Theory of Human Values
Generalized Parton Distributions from Hadronic Observables: Zero Skewness
Creators: name: Ahmad, Saeed
name: Honkanen, Heli
name: Liuti, Simonetta
name: Taneja, Swadhin K.
Publisher: name: arXiv
Year: 2006
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We propose a physically motivated parametrization for the unpolarized generalized parton distributions. At zero value of the skewness variable, $ζ$, the parametrization is constrained by simultaneously fitting the experimental data on both the nucleon elastic form factors and the deep inelastic structure functions. A rich phenomenology can be addressed based on this parametrization. In particular, we track the behavior of the average: {\it i)} interparton distances as a function of the momentum fraction, $X$, {\it ii)} $X$ as a function of the four-momentum transfer, $t$; and {\it iii)} the intrinsic transverse momentum $k_\perp$ as a function of $X$. We discuss the extension of our parametrization to $ζ\neq 0$ where additional constraints are provided by higher moments of the generalized parton distributions obtained from {\it ab initio} lattice QCD calculations.
description: 42 pages, 21 figures
Auf dem Weg zur Public Value Library
Creators: name: Jahl, Christian
Publisher: name: Humboldt-Universität zu Berlin
Year: 2019
Subjects: subject: Public Value
subject: Agenda 2030 für nachhaltige Entwicklung
subject: Öffentliche Bibliothek
subject: Partizipation
subject: Wien
subject: Zukunft
subject: 020 Bibliotheks- und Informationswissenschaften

description: Der Beitrag beschäftigt sich mit der Begründung der Notwendigkeit der „Public Value Library“ und setzt sich mit den wichtigsten Aussagen des Public-Value-Ansatzes auseinander. Folgende Fragen werden aufgeworfen und diskutiert: Was bedeuten die Kernthesen des Public-Value-Ansatzes für die Öffentlichen Bibliotheken? Wie soll eine Public Value Library – eine Bibliothek mit gesellschaftlichem Mehrwert – aussehen? Wie bestimmt man den Public Value? Wie evaluiert man den Public Value?
Electroproduction of heavy quarkonia: significance of dipole orientation
Creators: name: Kopeliovich, B. Z.
name: Krelina, M.
name: Nemchik, J.
Publisher: name: arXiv
Year: 2021
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: The differential cross section $dσ/dq^2$ of diffractive electroproduction of heavy quarkonia on protons is a sensitive study tool for the interaction dynamics within the dipole representation. Knowledge of the transverse momentum transfer $\vec q$ provides a unique opportunity to identify the reaction plane, due to a strong correlation between the directions of $\vec q$ and impact parameter $\vec b$. On top of that, the elastic dipole-proton amplitude is subject to a strong correlation between $\vec b$ and dipole orientation $\vec r$. Most of models for $b$-dependent dipole cross section either completely miss this information, or make unjustified assumptions. We perform calculations basing on a realistic model for $\vec r$-$\vec b$ correlation, which significantly affect the $q$-dependence of the cross section, in particular the ratio of $ψ^{\,\prime}(2S)$ to $J/ψ$ yields. We rely on realistic potential models for the heavy quarkonium wave function, and the Lorentz-boosted Schrödinger equation. Good agreement with data on $q$-dependent diffractive electroproduction of heavy quarkonia is achieved.
description: 12 pages, 6 figures
Testing the discriminant validity of Schwartz' Portrait Value Questionnaire items –  A replication and extension of Knoppen and Saris (2009)
Creators: name: Beierlein, Constanze
name: Davidov, Eldad
name: Schmidt, Peter
name: Schwartz, Shalom H.
name: Rammstedt, Beatrice
Publisher: name: European Survey Research Association
Year: 2012
Subjects: Portrait Value Questionnaire; confirmatory factor analysis; discriminant validity; factor structure

description: Schwartz' theory of ten basic human values has stimulated numerous studies using a variety of instruments. Confirmatory factor analyses (CFA) of the properties of some of the instruments have revealed that three pairs of values were excessively highly correlated. This led Davidov et al. (2008) to propose unifying values. To overcome the problems of loss of precision due to unifying distinct values, Knoppen and Saris (2009a,b)  investigated the factorial structure of each of the ten values measured with the PVQ (Schwartz et al. 2001). They identified both cross-loadings and distinct sub-dimensions for the pairs of nondiscriminated values in two German student samples. They concluded that the original strategy for selecting items, maximizing theoretical coverage at the expense of item homogeneity, produced the poor discrimination between values. Our Study 1 examines whether the Knoppen and Saris findings generalize to a representative sample of the German population. With some notable exceptions, our findings replicate theirs. Study 2 uses 33 items from an experimental version of the PVQ to operationalize and test a full model of the 11 basic values. Following Knoppen and Saris, we included only one sub-dimension of each of the 11 values. This CFA model yielded a satisfactory fit with no estimation problems. We conclude that available indicators permit measuring the distinct values without the need to collapse factors. Limitations and implications of the research are discussed.
description: Survey Research Methods, Vol 6, No 1 (2012): Special Issue on the Theory of Human Values
Density dependence of the quark condensate in isospin-asymmetric nuclear matter
Creators: name: Hübsch, Stephan
name: Jido, Daisuke
Publisher: name: arXiv
Year: 2021
Subjects: subject: Nuclear Theory (nucl-th)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We compute the density dependence of the quark condensate and how it changes under the influence of isospin-asymmetric nuclear matter. This is achieved by the calculation of the relevant Feynman diagrams using in-medium chiral perturbation theory. We find that the absolute value of the quark condensate decreases in nuclear matter by around 35% at normal nuclear density, in agreement with previous model-independent calculations. We also present an quantitative estimation of the difference of up- and down quark in-medium condensates.
description: 10 pages, 4 figures
Congruence and Performance of Value Concepts in Social Research
Creators: name: Beckers, Tilo
name: Siegers, Pascal
name: Kuntz, Anabel
Publisher: name: European Survey Research Association
Year: 2012
Subjects: value concepts; postmaterialism; Portrait Values Questionnaire; self-expression values; comparative analysis

description: Two value concepts are dominant in the social sciences: (1) Schwartz's theory of basic human values, measured through the Portrait Values Questionnaire (ESS) and (2) Inglehart's postmaterialism and Welzel's extension to the self-expression values scale (WVS/EVS). To advance research in values, two questions need to be addressed: (1) Are the concepts and measurements of values in the different approaches interchangeable? (2) Which of the concepts performs better for explaining moral and social attitudes? This study contributes to the discussion on value concepts by comparing these value instruments using individual level data from an online access panel (n = 762) and assessing the performance of values instruments for microexplanations of moral (end-of-life attitudes and sexual morality) and social attitudes (xenophobia). Overall, the measurement model of basic human values with the PVQ provides a sound basis for comparing the Schwartz values to postmaterialism and self-expression values. In both cases, there are positive correlations with universalism and self-direction and negative correlations with tradition/conformity and security, which do not exceed 0.4. Regarding the performance, it turns out that the Schwartz values are in toto a more powerful tool than both Inglehart's postmaterialism and Welzel's self-expression values, in terms of explained variance as well as in terms of standardized effects.
description: Survey Research Methods, Vol 6, No 1 (2012): Special Issue on the Theory of Human Values
Testing the Circular Structure of Human Values: A Meta-Analytical Structural Equation Modelling Approach
Creators: name: Steinmetz, Holger
name: Isidor, Rodrigo
name: Baeuerle, Naissa
Publisher: name: European Survey Research Association
Year: 2012
Subjects: circumplex; structural equation modelling; heterogeneity; MASEM; meta-analysis

description: Schwartz' theory of human values has found widespread interest in the social sciences. A central part of the theory is that the 10 proposed basic values (i.e., achievement, power, self-direction, hedonism, stimulation, benevolence, universalism, conformity, security, and tradition) are arranged in a circular structure. The present study applies a meta-analytical structural equation modelling approach to test the circular structure. The model tested was the quasi-circumplex model, which is considered the most appropriate representation of the circular structure. Moreover, the study explores how far the circular structure varies with the used samples and methodological characteristics of the studies. The meta-analysis comprised 318 matrices with the correlations among the 10 values gathered from 88 studies and the European Social Survey (overall n = 251,239). To reduce heterogeneity across the matrices, cluster analysis was used to sort the matrices into eight clusters with a similar correlation profile and tested the circular structure in each cluster. The results showed that three clusters demonstrated a good fit with the data and an adequate match to the theoretically proposed structure. The clusters' cultural and methodological profiles indicate potential moderators of the circular structure which should be considered in future research.
description: Survey Research Methods, Vol 6, No 1 (2012): Special Issue on the Theory of Human Values