nils-herrmann/clean_scirepeval huggingface dataset:
Construction of complex Effective Lattice Models with MULTIBINIT and Electron Phonon Couplings combining MULTIBINIT SCALE UP
Year: 2019

The lattice part of MULTIBINIT relies on the construction of effective atomic models, integrating out the electronic degrees of freedom and properly mimicking the Born Oppenheimer energy surface around a given reference configuration  In practice, the energy is expressed in terms of individual atomic distortions and macroscopic strains by means of a Taylor series. MULTIBINIT automatically generate the terms allowed by symmetry up to a given order and range of interactions and then determine the values of the related coefficients from a set of firstprinciples data. Nonetheless, the automatic generation of models for materials with complex energy surface incorporating multiple local minima and large distortions with respect to the reference still pose significant problems. The greatest challenge is to guarantee the boundedness of the model i.e. avoid divergence of the model energy to minus infinity for large lattice distortion amplitudes in the high dimensional space of the individual atomic distortions. Here, we present a simple algorithm that imposes the boundedness for any given effective potential while keeping its precision to a limited range of first principles data. The successful application of this algorithm to the case of CaTiO3 is discussed. Then, it is sometimes important or even necessary to reintroduce explicitly some electronic degrees of freedom in the simulation. This can be achieved by combining the lattice part of MULTIBINIT with a second principles model describing the relevant electronic states, while avoiding double counting as provided by SCALE UP  We will show the first implementation of a coupled electron lattice models obtained from the combination of MULTIBINIT with the SCALE UP module responsible for the electron treatment. The technical aspects of the implementation will be introduced and its capabilities exemplified on a simple electron lattice model addressing fundamental questions of orbital physics in solids.
Prospects for innovations in marketing of economic educational services in Ukraine
Venue: Entrepreneurship and Sustainability Issues
Year: 2019

The article is devoted to the prospects for innovations in marketing of economic educational services in Ukraine. The research of expectations and requirements of employers for competencies of graduates of institutions of higher economic education has been conducted. <Career growth> has been chosen as the main criterion for determining the totality of competencies of graduates significant for employers. The clustering of employers was carried out on the results of the survey of employers and their assessments of the requirements for competencies of graduates of institutions of higher economic education, necessary for <career growth> The following clusters have been identified: <perfectionists> <maximalists> and <minimalists> who have different requirements for competencies of graduates of institutions of higher economic education. The obtained results became the basis for determining the prospects for innovations in marketing of economic educational services, orienting graduates at certain behavioral models in the process of study. This will be the key to their success in the field of professional activity.
Renal Protection Against Ischemia Reperfusion Injury: Hemoglobin based Oxygen Carrier 201 Versus Blood as an Oxygen Carrier in Ex Vivo Subnormothermic Machine Perfusion
Venue: Transplantation
Year: 2019

The optimal method of oxygen delivery to donor kidneys during ex vivo machine perfusion has not been established. We have recently reported the beneficial effects of subnormothermic (22degC) blood perfusion in the preservation of porcine donation after circulatory death kidneys. Since using blood as a clinical perfusate has limitations, including matching availability and potential presence of pathogen, we sought to assess hemoglobin based oxygen carrier (HBOC 201) in oxygen delivery to the kidney for renal protection.  Pig kidneys (n 5) were procured after 30 minutes of warm in situ ischemia by cross clamping the renal arteries. Organs were flushed with histidine tryptophan ketoglutarate solution and subjected to static cold storage or pulsatile perfusion with an RM3 pump at 22degC for 4 hours with HBOC 201 and blood. Thereafter, kidneys were reperfused with normothermic (37degC) oxygenated blood for 4 hours. Blood and urine were subjected to biochemical analysis. Total urine output, urinary protein, albumin/creatinine ratio, flow rate, resistance were measured. Acute tubular necrosis, apoptosis, urinary kidney damage markers, neutrophil gelatinase associated lipocalin 1, and interleukin 6 were also assessed.  HBOC 201 achieved tissues oxygen saturation equivalent to blood. Furthermore, upon reperfusion, HBOC 201 treated kidneys had similar renal blood flow and function compared with blood treated kidneys. Histologically, HBOC 201 and blood perfused kidneys had vastly reduced acute tubular necrosis scores and degrees of terminal deoxynucleotidyl transferase 2' deoxyuridine, 5' triphosphate nick end labeling staining versus kidneys treated with cold storage. Urinary damage markers and IL6 levels were similarly reduced by both blood and HBOC 201.  HBOC 201 is an excellent alternative to blood as an oxygen carrying molecule in an ex vivo subnormothermic machine perfusion platform in kidneys.
A tourist typology of online and face to face social contact: Destination immersion and tourism encapsulation/decapsulation
Venue: Annals of Tourism Research
Year: 2019

The sense of tourism encapsulation/decapsulation is increasingly determined by the level and type of connectivity enabled by advanced Information Communication Technology (ICT) This study explores tourists' online and face to face social contacts and their effects on travel experiences. A six fold tourist typology is established, namely: Disconnected Immersive Traveller, Digital Detox Traveller, Diversionary Traveller, Dual Zone Traveller, Daily Life Controller and Social Media Addict. A contact immersion nexus is also developed to indicate the attachment tendencies of different tourist types between their home and away zones. Theoretical contributions and practical implications are discussed.
Prognostic significance of Gleason score 7 (3+4) and Gleason score 7 (4+3) in prostatic adenocarcinoma in relation to clinical stage, androgen tissue status and degree of neuroendocrine differentiation
Year: 2014

Prognosis and choice of treatment of adenocarcinoma of the prostate (ADCP) directly depend on the numerous of predictive factors, among which the most important are summary histological tumor grade (Gleason score, which is the sum of the first and second dominant histological grade) and clinical stage. According to recent research these factors include androgen tissue status and degree of neuroendocrine differentiation. The importance of the first and second dominant histological grade becomes particularly important in ADCP Gleason score 7. Tumors with worse prognosis considered to be ADCP of higher Gleason score, the advanced clinical stage, androgen independent tumors and tumors that show a higher degree of neuroendocrine differentiation. The aim of the study was to determine the predictive significance of ADCP Gleason score 7 (3+4) and ADCP Gleason score 7 (4+3) in relation to clinical stage, androgen tissue status and degree of focal neuroendocrine differentiation. The study included 33 ADCP of Gleason score 7,26 (78.79% ADCP 7 (3+4) and 7 (21.21% ADCP 7 (4+3) All tumors are most often diagnosed with stage D2, when there are already distant metastases.  were diagnosed more often at this stage, among them there are more androgen independent tumors and they show a greater degree of focal neuroendocrine differentiation. All the results are in accordance with data from the literature suggesting that ADCP of Gleason score 7 (4+3) have a worse prognosis than ADCP of Gleason score 7 (3 +4)
KLASIFIKASI MENINGIOMA DARI CITRA CT SCAN BERDASARKAN ESTIMATOR POLINOMIAL LOKAL DENGAN PEREDUKSI GENERALIZED EXPLORATORY FACTOR ANALYSIS (GEFA)
Year: 2018

Meningioma merupakan salah satu jenis penyakit tumor otak jinak yang paling sering terjadi. Walaupun tergolong tumor otak jinak, akan tetapi pertumbuhan sel tumor dapat menekan bagian otak lain yang masih sehat sehingga dapat menggganggu fungsi kerja otak. Salah satu langkah untuk deteksi dini yaitu pemeriksaan radiologis dengan CT Scan. Penulisan skripsi ini bertujuan untuk mengklasifikasikan meningioma berdasarkan estimator polinomial lokal dengan pereduksi Generalized Exploratory Factor Analyisis (GEFA) Proses pengolahan citra dari CT Scan dilakukan dengan menggunakan software MATLAB. Hasil dari proses pengolahan citra tersebut menghasilkan matriks berdimensi tinggi, sehingga perlu dilakukan pereduksian dimensi dengan metode GEFA. Hasil dari reduksi dimensi digunakan untuk mengestimasi model regresi logistik nonparametrik menggunakan estimator polinomial lokal. Algoritma local scoring digunakan untuk mendapatkan estimasi dari Generalized Additive Models (GAM) Pada skripsi ini, data yang digunakan ini sebanyak 43 data citra. Sebanyak 22 data untuk membuat model (insample) dan 21 data untuk validasi (outsample) Hasil estimasi dari data insample diperoleh ketepatan klasifikasi sebesar 100% sedangkan untuk data outsample sebesar 71,43%
Near optimal combination of disparity across a log polar scaled visual field
Venue: PLoS Comput. Biol.
Year: 2020

The human visual system is foveated: we can see fine spatial details in central vision, whereas resolution is poor in our peripheral visual field, and this loss of resolution follows an approximately logarithmic decrease. Additionally, our brain organizes visual input in polar coordinates. Therefore, the image projection occurring between retina and primary visual cortex can be mathematically described by the log polar transform. Here, we test and model how this space variant visual processing affects how we process binocular disparity, a key component of human depth perception. We observe that the fovea preferentially processes disparities at fine spatial scales, whereas the visual periphery is tuned for coarse spatial scales, in line with the naturally occurring distributions of depths and disparities in the real world. We further show that the visual field integrates disparity information across the visual field, in a near optimal fashion. We develop a foveated, log polar model that mimics the processing of depth information in primary visual cortex and that can process disparity directly in the cortical domain representation. This model takes real images as input and recreates the observed topography of disparity sensitivity in man. Our findings support the notion that our foveated, binocular visual system has been moulded by the statistics of our visual environment.  We investigate how humans perceive depth from binocular disparity at different spatial scales and across different regions of the visual field. We show that small changes in disparity defined depth are detected best in central vision, whereas peripheral vision best captures the coarser structure of the environment. We also demonstrate that depth information extracted from different regions of the visual field is combined into a unified depth percept. We then construct an image computable model of disparity processing that takes into account how our brain organizes the visual input at our retinae. The model operates directly in cortical image space, and neatly accounts for human depth perception across the visual field.
Xerostomie induite par anti PD1/PDL1 caracterisation clinique, immunohistochimique et proposition de prise en charge
Year: 2019

Les anticorps anti PD1/PDL1 representent une avancee considerable dans le traitement de nombreux cancers metastatiques. Leur utilisation peut s'associer a des toxicites d'origine immunologique desormais bien decrites, notamment dermatologiques. L'attention apportee aux manifestations orales n'a ete que limitee jusqu'ici. Nous rapportons une serie de 15 patients ayant developpe une xerostomie en cours de traitement. Materiel et methodes Observation monocentrique et retrospective d'une serie de 15 patients ayant developpe une xerostomie en cours de traitement par anti PD1/PDL1 (seul ou en association) avec caracterisations cliniques, histologiques et immunophenotypage. Observations Quinze patients (39 78 ans) etaient adresses pour une xerostomie survenue pendant un traitement par anti PD1/PDL1 (en monotherapie, ou en association avec un anti CTLA4 ou une immunotherapie en cours de developpement) La mediane d'apparition de la xerostomie etait de 12 semaines. Neuf patients presentaient une xerostomie de grade 1/2 et 6 patients de grade 3. Resultats Une biopsie des glandes salivaires accessoires etait effectuee dans tous les cas et revelait une infiltration lymphocytaire Fig. 1 chez 11 patients. Le score moyen de Chisholm Mason etait de 2. L'immunophenotypage individualisait une infiltration composee de lymphocytes T CD3+ avec predominance des lymphocytes T CD4+ Fig. 2 Un bilan immunologique etait realise dans tous les cas et les auto anticorps (anti SSA/Ro, anti SSB/La, anticorps antinucleaires) etaient negatifs sauf chez un patient qui developpait un syndrome de Goujerot Sjogren induit. Des mesures symptomatiques permettaient une amelioration moderee de la symptomatologie chez 8 patients. Deux autres etaient significativement ameliores par un court traitement de prednisolone indique pour une cytolyse hepatique de grade 3. Dans tous les cas, l'immunotherapie n'etait jamais interrompue pour la xerostomie. La symptomatologie s'ameliorait progressivement chez les patients ayant du arreter l'immunotherapie pour progression tumorale ou effet indesirable severe.  La xerostomie induite par les anti PD1/PDL1 peut apparaitre de facon isolee ou exceptionnellement dans un contexte de syndrome de Goujerot Sjogren. Une prise en charge basee sur l'introduction de mesures symptomatiques associees eventuellement a une corticotherapie orale est proposee. L'arret de l'immunotherapie doit etre discute au cas par cas seulement en cas d'echec des mesures precedentes.  La xerostomie induite par les anti PD1/PDL1 represente un veritable effet indesirable d'origine immunologique. Seule une evaluation prospective avec examen endobuccal systematique pourrait permettre d'en preciser l'incidence. Des etudes prospectives et comparatives sont necessaires pour evaluer l'impact d'une corticotherapie orale et ses modalites (dose, duree) dans ce contexte.
Apuestas del feminismo: Ciencia/Tecnica/Latinoamerica. Nuevas urdimbres desde el Sur
Year: 2018

En este articulo nos proponemos cuestionar, desde una perspectiva feminista, la triple encrucijada de filosofia de la tecnologia/epistemologia/pensamiento descolonial desde donde se ha producido y problematizado el conocimiento. Esta mirada transversal nos permite cuestionar los sesgos patriarcales/mercantiles (instrumentales)/coloniales de la ciencia y la tecnologia que ha promovido el pensamiento occidental moderno. Como apuesta buscamos indagar sobre la posibilidad de una filosofia de la tecnica con perspectiva feminista y latinoamericana que este en consonancia con el Buen Vivir.
An Enhanced Data Sparsity Reduction Method for Effective Collaborative Filtering Recommendations
Year: 2020

Collaborative filtering recommender system suffers from data sparsity problem due to its reliance on numerical ratings to provide recommendations to users. This problem makes it difficult for the system to compute accurate similar neighbours for the items and provide good quality recommendations. Existing methods fail to pre process the missing ratings of the new items and to predict cold items to the active users which lead to poor quality recommendations. In this work, a sparsity reduction method is presented to improve the quality of recommendations. The method utilises Bi Separated clustering algorithm to cluster the ratings matrix simultaneously into users and items bi clusters based on ratings classification. It also employs Bi Mean Imputation algorithm to fill the missing ratings in the bi clusters using the estimated means. The method then performs the traditional collaborative filtering process on the new rating matrix for cold items prediction. The experimental results demonstrated that compared to the existing method, the proposed BiSCBiMI improves density of the rating matrix by 5.75% 10.73% and 7.35% as well as Mean Absolute Error (MAE) of the new items prediction for all of the considered datasets. The results indicated that, the proposed approaches are effective in reducing the data sparsity problem as well as items prediction, which in turn returns good quality recommendations.
LOW COST, ULTRA HIGH SPATIAL AND TEMPORAL RESOLUTION MAPPING OF INTERTIDAL ROCK PLATFORMS
Year: 2012

Intertidal ecosystems have primarily been studied using field based sampling; remote sensing offers the ability to collect data over large areas in a snapshot of time which could compliment field based sampling methods by extrapolating them into the wider spatial and temporal context. Conventional remote sensing tools (such as satellite and aircraft imaging) provide data at relatively course, sub meter resolutions or with limited temporal resolutions and relatively high costs for small scale environmental science and ecology studies. In this paper, we describe a low cost, kite based imaging system and photogrammetric pipeline that was developed for constructing highresolution, 3D, photo realistic terrain models of intertidal rocky shores. The processing pipeline uses automatic image feature detection and matching, structure from motion and photo textured terrain surface reconstruction algorithms that require minimal human input and only a small number of ground control points and allow the use of cheap, consumer grade digital cameras. The resulting maps combine colour and topographic information at sub centimeter resolutions over an area of approximately 100m, thus enabling spatial properties of the intertidal environment to be determined across a hierarchy of spatial scales. Results of the system are presented for an intertidal rock platform at Cape Banks, Sydney, Australia. Potential uses of this technique include mapping of plant (micro and macro algae) and animal (e.g. gastropods) assemblages at multiple spatial and temporal scales.
Does a hospital culture influence adherence to infection prevention and control and rates of healthcare associated infection? A literature review
Venue: Journal of infection prevention
Year: 2019

Over 4 million patients acquire a healthcare associated infection (HCAI) in Europe every year, indicating possible shortcomings in hospitals converting evidence based infection prevention and control (IPC) strategies into universal adherence. We present a literature review exploring whether insufficient adherence could be culturally based.  To find empirical evidence if and how specific traits of organisational culture improve adherence to IPC strategies utilising HCAI rates as the marker of system failures or successes.  PubMed, CINAHL, PsycINFO and the British Nursing index database were searched from January 2007 to June 2018. Hand searching, Google Scholar and the snowball effect completed the investigation. The quality of the studies was assessed with the guidance of CASP and Cochrane tools.  Twenty papers were eligible for data extraction and thematic analysis. Studies predominantly report positive findings for the association, but none were determined high quality due to multiple methodological concerns. Analysing both quantitative and qualitative research revealed eight major themes: hospital cultures with better HCAI rates foster safety culture; have a generative leadership style; embrace innovation; ensure interventions fit local context; accept long term orientation; engage and empower health professionals; promote collaboration and communication; and see the benefits of a non punitive climate.  The literature linking organisational culture and HCAI rates is suggestive, but not conclusive, indicating caution about their inferences. Leaving cultural growth to chance or allowing for weak or toxic cultures impedes on our IPC strategies and equivalently our HCAI rates.
How Citizens Are Produced and Ethnicity Is Maintained in Post Colonial Mauritius, With Special Attention to the Creoles: An Anthropological Study
Year: 2012

This book examines how an education system can provide mechanisms for nation building. This work exposes how these mechanisms influence building and enacting nation in a country with no native population. It also examines how its colonially introduced ethnic groups proudly proclaim their differences in language and history. The analysis directs attention to how the education system maintains and reproduces differences. Though located in the Indian Ocean, Mauritius exists at the crossroads of multiple regions and cultures. While it is geographically part of Africa, Mauritius shares with the Caribbean a history of raw material production at the service of European capitalism, which has resulted in a Creole culture and language. Laborers from India, introduced as indentured servants, add to the picture as diasporic population that brings Mauritius closer to India, Europe and the Middle East than to its closest neighbors in Africa. Positioned as a node of historical flows of people, ideas, and commodities congealed in the making of the modern world, Mauritius is ideal for a multi pronged study of nation building and the difficulties post colonial populations face as they share citizenship in the contemporary globalized world.
Non carious cervical lesions and risk factors: A case control study.
Venue: Journal of oral rehabilitation
Year: 2019

To evaluate whether the presence of non carious cervical lesions (NCCLs) was related to the considered risk factors and to show the corresponding odds ratio in a predictive model.  The sample was 280 dentistry students. In an initial clinical examination, 140 cases were selected that presented one or more teeth with non carious cervical wear. For each case, a similar sex and age control without any tooth with non carious cervical lesions was selected. An occlusal examination and periodontal probing were performed in all cases and controls by skilled dentists. All the subjects answered a questionnaire referring to factors of brushing, bruxism, preferred chewing side, consumption of extrinsic acids and the presence of intrinsic acids. Data were analysed by means of univariate and multivariate logistic regression.  Of all the study variables, only the protrusion interferences, interferences on the non working side, the brushing force, CPITN value and the consumption of salads increase the risk of NCCLs in the univariate regression. The best predictive model was formed by the combination of CPITN variables >1, the consumption of acidic salads, self reported bruxism, brushing force and attrition. However, it only correctly classifies 68.75% of subjects.  This study supports the multifactorial aetiology of NCCLs, the combination of several factors being necessary to explain their presence. The risk factors that make up the predictive model are not sufficient to explain the appearance of NCCLs. Dentists should take into account all these risk factors in prevention, diagnosis and treatment.