bluuebunny/crossref_metadata_2025_split huggingface dataset:
An association model based reasoning method for individualized service recommender
Authors: Kwon Ohbyung , Jung Dongyoung 
Published: July 2012

AbstractRecommender systems have been widely accepted across a broad range of application areas. Their key task is to estimate the user's need as accurately as possible. To do so, conventional recommender systems have focused on how to more accurately determine similar users or similar products. However, individuals often have unique preferences, or they do not always prefer to use the same service. Typically, an individual's association from his own experience will be preferable, that is more accurate, compared with common interests he may have with other users. However, recommendation methods based on association, versus common interests, have been very few. Hence, the purpose of this paper is to propose an association model based reasoning methodology that estimates users’ associative strength from self‐experiences based on association theories. In particular, we adopt the Rescorla–Wagner model, the Galton free association test, and Russell's circumflex model for mood positivity to estimate associative strength. We perform an experimental study with actual experience data to verify the hypotheses, which validates the association model based algorithm in finding the best service with a good elapsed time.
BaTiO3–Bi(Zn1/2Ti1/2)O3–BiScO3 Ceramics for High‐Temperature Capacitor Applications
Authors: Raengthon Natthaphon , Sebastian Tutu , Cumming Denis , Reaney Ian M. , Cann David P. 
Published: July 2012

Ceramics based on solid solutions of xBaTiO3–(100−x)(0.5Bi(Zn1/2Ti1/2)O3–0.5BiScO3), where x = 50, 55, and 60 were prepared by solid‐state reaction which resulted in a single perovskite phase with pseudocubic symmetry. Dielectric property measurements revealed a high relative permittivity (>1000), which could be modified with the addition of Bi(Zn1/2Ti1/2)O3 (BZT) and BiScO3 (BS) to engineer a temperature‐stable dielectric response with a temperature coefficient of permittivity (TCε) as low as −182 ppm/°C. By incorporating 2 mol% Ba vacancies into the stoichiometry, the resistivity increased significantly, especially at high temperatures (>200°C). Vogel–Fulcher analysis of the permittivity data showed that the materials exhibited freezing of polar nanoregions over the range of 100–150 K. An analysis of optical absorption near the band edge for the Ba‐deficient compositions suggested that the enhanced resistivity values were linked to a decrease in the concentration of defect states. An activation energy of ~1.4 eV was obtained from DC resistivity measurements suggesting that an intrinsic conduction mechanism played a major role in the high temperature conductivity. Finally, multilayer capacitors based on these compositions were fabricated, which exhibited dielectric properties comparable to the bulk material. Based on these results, this family of materials has great promise for high‐temperature capacitor applications.
Allelic variants of XRCC1 and XRCC3 repair genes and susceptibility of oral cancer in Brazilian patients
Authors: dos Reis Mariana Bisarro , Losi‐Guembarovski Roberta , de Souza Fonseca Ribeiro Enilze Maria , Cavalli Iglenir João , Morita Maria Celeste , Ramos Gyl Henrique Albrecht , de Oliveira Benedito Valdecir , Mizuno Lauro Toyoshi , Rogatto Silvia Regina , de Syllos Cólus Ilce Mara 
Published: July 2012

J Oral Pathol Med (2013)42: 180–185Background:  The capacity for DNA repair is essential in maintaining cellular functions and homeostasis; however, this capacity can be altered based on DNA sequence variations in DNA repair genes, which may contribute to the onset of cancer. Many single‐nucleotide polymorphisms (SNPs) in repair genes have been found to be associated with oral cancer. The aim of this study was to investigate the relationship between the presence of allelic variants Arg194Trp (rs:1799782) and Arg399Gln (rs: 25487) of XRCC1 gene and Thr241Met (rs: 861539) of XRCC3 gene and susceptibility to oral cancer. We also attempted to correlate the frequencies obtained for each of the SNPs to histopathological parameters.Methods:  A case–control study was conducted with genomic DNA from 150 patients with oral squamous cell carcinomas and 150 controls. SNPs were genotyped by RFLP‐PCR.Results:  The presence of the polymorphic variants of the XRCC1 gene within codon 194 (OR 0.82, 95% CI: 0.44–1.51) and codon 399 (OR 0.94, 95% CI: 0.59–1.50) and within the XRCC3 gene (OR 0.72; 95% CI: 0.45–1.16) were not associated with an increased risk of oral cancer. A combinational analysis of SNPs in both genes indicated no association. The presence of the allelic variants of these two genes had no statistically significant effect on tumor differentiation, lymph node invasion or tumor size.Conclusions:  These results suggest that allelic variants of XRCC1 and XRCC3 are not suitable markers for susceptibility to carcinomas of the oral cavity and are also not related to the later stages of such tumors.
Broad‐scale satellite Normalized Difference Vegetation Index data predict plant biomass and peak date of nitrogen concentration in Arctic tundra vegetation
Authors: Doiron Madeleine , Legagneux Pierre , Gauthier Gilles , Lévesque Esther 
Published: July 2012

AbstractQuestionsIs the satellite‐derived Normalized Difference Vegetation Index (NDVI) an adequate proxy for the timing of the peak in plant nitrogen concentration in an Arctic tundra system? Can NDVI be used to reliably assess seasonal changes in aboveground plant biomass?LocationThe south plain of Bylot Island, an Arctic tundra ecosystem north of Baffin Island, Nunavut, Canada (73°08′ N, 80°00′ W).MethodsUsing plant data collected every 2 wk throughout the summer in 1991, 1993–1996 and 2006–2008, we assessed the relationship between four NDVI indices (AVHRR satellite data at 1‐km2 spatial resolution) and the date of peak nitrogen concentration in wetland graminoid plants, which represents seasonal variability in plant quality. We also examined the relationship between NDVI and the seasonal changes in aboveground live plant biomass.ResultsThree out of the four NDVI metrics that we tested were significantly related to date of peak nitrogen concentration. The strongest relationship was found with the date at which NDVI values reached 50% of their annual maximum (r2 = 0.87). We also found a positive exponential relationship between NDVI and aboveground biomass of plants (r2 = 0.58), though this relationship was strongest early in the growing season.ConclusionsNDVI can be used as a proxy to determine date of peak nitrogen concentration in some tundra plants, and can thus be a reliable measure of the yearly changes in the timing of the availability of high quality food for herbivores. To a lesser extent, NDVI can also be used to assess seasonal change in plant biomass. This study provides additional support for the use of broad‐scale satellite‐derived NDVI to assess seasonal changes in habitat quality for herbivores.
THE TRUANCY INTERVENTION PROJECT: OUR TIPS FOR SUCCESS
Authors: Skola Elizabeth Patz , Williamson Kara 
Published: July 2012

The Truancy Intervention Project (TIP) was organized in 1991 in response to the growing truancy problem in Atlanta. Since 1991, through early intervention counseling and in‐court volunteer mentoring programs, TIP has represented over 6,000 of Georgia's truant or at‐risk children. TIP pairs volunteers (attorney and nonattorneys) with children who are not attending school and their families in the hopes that by working together they can get to the root of the problem and get the children back in school. Further, TIP provides its families with the resources and services necessary to ensure good attendance and success in school. By keeping kids in school, TIP and its volunteers are successful in reducing the rates of juvenile crime, teen pregnancy, and illiteracy in Georgia.Key Points for Family Court Community:
The article provides the history and overview of Georgia's Truancy Intervention Project (TIP), which works with truant and at‐risk children and their families to get the children back in school.
TIP's Early Intervention Initiative works with elementary schools to identify and counsel chronically absent children to develop a plan to prevent future absences and divert children from the juvenile justice system.
TIP has expanded geographically within Georgia, and cities across the country have replicated the TIP program.
Through collaboration with the Fulton County Juvenile Court, TIP has unique access to a designated judge for handling truancy cases and a group of probation officers dedicated solely to working with students charged with truancy.
One aspect of TIP that sets it apart from other truancy‐prevention programs is its heavy reliance on trained volunteers, particularly those from the local legal community.
TIP receives funding from several private and public sources, including United Way, grants, federal funding, and the legal community.
Importance ofTerrestrialArthropods asSubsidies inLowlandNeotropicalRainForestStreamEcosystems
Authors: Small Gaston E. , Torres Pedro J. , Schweizer Lauren M. , Duff John H. , Pringle Catherine M. 
Published: July 2012

AbstractThe importance of terrestrial arthropods has been documented in temperate stream ecosystems, but little is known about the magnitude of these inputs in tropical streams. Terrestrial arthropods falling from the canopy of tropical forests may be an important subsidy to tropical stream food webs and could also represent an important flux of nitrogen (N) and phosphorus (P) in nutrient‐poor headwater streams. We quantified input rates of terrestrial insects in eight streams draining lowland tropical wet forest inCostaRica. In two focal headwater streams, we also measured capture efficiency by the fish assemblage and quantified terrestrially derivedN‐ andP‐excretion relative to stream nutrient uptake rates. Average input rates of terrestrial insects ranged from 5 to 41 mg dry mass/m2/d, exceeding previous measurements of aquatic invertebrate secondary production in these study streams, and were relatively consistent year‐round, in contrast to values reported in temperate streams. Terrestrial insects accounted for half of the diet of the dominant fish species,Priapicthys annectens. Although terrestrially derived fish excretion was found to be a small flux relative to measured nutrient uptake rates in the focal streams, the efficient capture and processing of terrestrial arthropods by fish made these nutrients available to the local stream ecosystem. This aquatic‐terrestrial linkage is likely being decoupled by deforestation in many tropical regions, with largely unknown but potentially important ecological consequences.
Can we really measure ƒNL from the galaxy power spectrum?
Authors: Roth Nina , Porciani Cristiano 
Published: July 2012

Abstract
The scale-dependent galaxy bias generated by primordial non-Gaussianity (PNG) can be used to detect and constrain deviations from standard single-field inflation. The strongest signal is expected in the local model for PNG, where the amplitude of non-Gaussianity can be expressed by a set of parameters (ƒNL, gNL, etc.). Current observational constraints from galaxy clustering on ƒNL and gNL assume that the others PNG parameters are vanishing. Using two sets of cosmological N-body simulations where both fNL and gNL are non-zero, we show that this strong assumption generally leads to biased estimates and spurious redshift dependencies of the parameters. Additionally, if the signs of ƒNL and gNL are opposite, the amplitude of the scale-dependent bias is reduced, possibly leading to a false null detection. Finally, we show that model selection techniques like the Bayesian evidence can (and should) be used to determine if more than one PNG parameter is required by the data.
Cystic fibrosis: A clinician's tool for management of care advancing into the adult population
Authors: Nast Deanna , Paniagua Carmen , Anderson Paula 
Published: July 2012

AbstractPurpose: To discuss the role of the nurse practitioner in medical management of adult patients with cystic fibrosis (CF).Data sources: A systematic literature review was done by searching online databases: CINAHYL, OVID, and Medline. The Cystic Fibrosis Foundation (CFF) guidelines were reviewed. Tables were compiled for recommended screening and treatment for adult CF patients.Conclusions: Comorbidities occur among adult CF patients and include: CF‐related diabetes (CFRD), fertility issues, CF liver disease (CFLD), and CF bone disease. Diabetes management is reviewed. Current fertility surgical treatments for males and recommendations for females are discussed. Ursodiol is the main treatment regimen for those affected. Bone disease and CF has multiple etiologies and the focus of treatment is based on appropriate vitamin D replacement and bisphosphonates. New standards for vitamin D replacement are discussed.Implications for practice: Clinicians must be familiar with the current treatments and regimens of adults with CF including comorbidities. The CF adult population is expanding and care is extending beyond the CF clinic. More healthcare providers must be educated on the best practices of adult CF care. The importance of early identification and treatment of CF comorbidities cannot be overestimated.To obtain CE credit for this activity, go to http://www.aanp.org and click on the CE Center. Locate the listing for this article and complete the post‐test. Follow the instructions to print your CE certificate.Disclosures  The authors report no competing interests.
CT‐only planning for Gamma Knife radiosurgery in the treatment of trigeminal neuralgia: Methodology and outcomes from a single institution
Authors: Attia Albert , Tatter Stephen B , Weller Michael , Marshall Kopriva , Lovato James F , Bourland J Daniel , Ellis Thomas L , McMullen Kevin P , Shaw Edward G , Chan Michael D 
Published: July 2012

AbstractIntroduction: Gamma Knife radiosurgery (GKRS) has been established as a safe and effective treatment option for trigeminal neuralgia. Some patients have contraindications to magnetic resonance imaging (MRI), the standard stereotactic imaging used for GKRS treatment planning. Computerized tomography (CT) imaging may be used as an alternative in this scenario. We sought to evaluate the outcomes of our patients treated using this technique.Methods: Between August 2001 and November 2009, 19 patients with trigeminal neuralgia were treated with GKRS using CT‐only planning. The course of the trigeminal nerve was determined based upon anatomical landmarks when the nerve was not directly visualized on the treatment‐planning CT. Median dose used was 90 Gy (range 85–90 Gy). Follow‐up data based on Barrow Neurological Institute (BNI) pain score and toxicity were obtained using electronic medical records and by telephone interview.Results: With median follow‐up time of 18 months (range 4–36 months), improvement in quality of life after GKRS was reported in 17 of 19 patients. Freedom from BNI IV‐V pain relapse was 82% at 24 months. By 3 months post‐GKRS, 50% of patients were able to discontinue medications completely. Three patients reported numbness after GKRS; none of these patients described bothersome numbness. Use of contrast did not affect treatment outcome (P = 0.31).Conclusions: Stereotactic CT‐only treatment planning of GKRS for the treatment of trigeminal neuralgia is feasible and safe. Further studies are necessary to determine if the long‐term durability of pain relief is comparable to that of MRI‐based GKRS planning.
Update on biologic therapies in ankylosing spondylitis: a literature review
Authors: Goh Leslie , Samanta Ash 
Published: July 2012

AbstractAimThe present paper aims to review the recent advances in diagnosis and management of ankylosing spondylitis (AS).MethodMedline and abstracts submitted to the recent European League Against Rheumatism (EULAR) congress were searched to obtain quality‐controlled information on the management of AS.ResultsThe use of magnetic resonance imaging (MRI) allows the diagnosis of AS to be made in the pre‐radiographic stage. The Assessment in Spondylarthritis International Society recommendations for the management of AS have been modified so that patients with non‐radiographic spondyloarthritis (SpA) can now be considered for biological therapy. The ‘older’ anti‐tumour necrosis factor (TNF) continued to be effective in longer‐term studies. Studies with longer duration of follow‐up have shown that some patients with pre‐radiographic SpA entered into prolonged drug‐free remission. It is likely that in the foreseeable future, more AS patients will be treated with biological therapies at an earlier stage of the disease. New biologic therapies, golimumab and secukinumab, are looking promising in improving the signs and symptoms of AS, at least in the short‐term.ConclusionLonger‐term studies of AS patients treated with infliximab, etanercept and adalimumab continued to show a good clinical response. There is a need for more long‐term studies to examine the longitudinal efficacy of golimumab and secukinumab in AS.
Embodiment in Social Psychology
Authors: Meier Brian P. , Schnall Simone , Schwarz Norbert , Bargh John A. 
Published: July 2012

AbstractPsychologists are increasingly interested in embodiment based on the assumption that thoughts, feelings, and behaviors are grounded in bodily interaction with the environment. We examine how embodiment is used in social psychology, and we explore the ways in which embodied approaches enrich traditional theories. Although research in this area is burgeoning, much of it has been more descriptive than explanatory. We provide a critical discussion of the trajectory of embodiment research in social psychology. We contend that future researchers should engage in a phenomenon‐based approach, highlight the theoretical boundary conditions and mediators involved, explore novel action‐relevant outcome measures, and address the role of individual differences broadly defined. Such research will likely provide a more explanatory account of the role of embodiment in general terms as well as how it expands the knowledge base in social psychology.
Population pharmacokinetics of halofantrine in healthy volunteers and patients with symptomatic falciparum malaria
Authors: Klein Kerenaftali , Aarons Leon , ter Kuile Feiko O , Nosten Francois , White Nick J , Edstein Michael D , Teja-Isavadharm Paktiya 
Published: July 2012

Abstract

Aims
To investigate the population pharmacokinetics of the antimalarial halofantrine (HF) in healthy volunteers and patients with symptomatic falciparum malaria.

Methods
Healthy volunteer data were obtained from six volunteers who received three different doses of HF (250, 500 and 1000 mg) after an overnight fast with a washout period of at least 6 weeks between doses. Patient data (n = 188) were obtained from randomised controlled trials conducted on the Thai–Burmese border in the early 1990s. They were either assigned to receive a total HF dose of 24 mg/kg (8 mg/kg every 6 h for 24 h) or 72 mg/kg (8 mg/kg every 6 to 10 h for 3 days). The population pharmacokinetics of HF were evaluated using non-linear mixed effects modelling with a two-compartment model with first-order absorption.

Key findings
The population estimates of apparent clearance (CL), volume of compartment one (V1), distributional clearance (CLD) and volume of compartment two (V2) of HF in healthy volunteers were 2453 l/day (102 l/h), 2386 l, 716 l/day (29.8 l/h) and 2641 l, respectively. The population estimates of the PK parameters in patients were 429 l/day (17.9 l/h), 729 l, 178 l/day (7.42 l/h) and 1351 l, respectively. All PK parameters were significantly related to body weight and some were related to sex, sampling method, pre-treatment parasite density and whether patients vomited or not. When the two datasets were analysed jointly using a maximum likelihood method, the population estimates in patients were 196 l/day (8.17 l/h), 161 l, 65 l/day (2.71 l/h) and 89 l, respectively, and the parameters were significantly related to body weight and sex. Bayesian analysis of the patient data, with a diffuse prior based on the healthy volunteer data analysis results, yielded the population estimates 354 l/day (14.8 l/h), 728 l, 162 l/day (6.75 l/h) and 1939 l, respectively.

Conclusions
The pharmacokinetic properties of HF in patients with malaria are affected by several demographic variables as well as other relevant covariates. Apparent differences between the healthy volunteer and the patient data analysis results are not entirely due to differences in bioavailability. For the patient data analysis, the Bayesian method was preferred, as the fitting procedure was more stable, allowing random effects to be estimated for all four dispositional parameters.
Surface Pressure Fluctuations Produced by the Total Solar Eclipse of 1 August 2008
Authors: Marty J. , Dalaudier F. , Ponceau D. , Blanc E. , Munkhuu U. 
Published: July 2012

Abstract
During a solar eclipse, the moon’s shadow progressively occults a part of Earth from the solar flux. This induces a cooling in the atmospheric layers that usually absorb the solar radiation. Since the eclipse shadow travels within the atmosphere at supersonic velocity, this cooling generates a planetary-scale bow wave of internal gravity waves. The purpose of this article is to estimate the surface atmospheric pressure fluctuations produced by the passage of the 1 August 2008 total solar eclipse and to compare these pressure fluctuations with those recorded by a temporary network of microbarographs and by the infrasound stations of the International Monitoring System. The surface pressure fluctuations expected at all the measurement sites are estimated using a linear spectral numerical model. It is shown that the cooling of both the ozonosphere and the troposphere can produce detectable pressure fluctuations at the ground surface but that the tropospheric cooling is likely to be the predominant source. Since the expected eclipse signals are in a frequency range that is highly perturbed by atmospheric tides and meteorological phenomena, the pressure fluctuations produced by these latter synoptic disturbances are characterized and removed from the recorded signals. Low-frequency gravity waves starting just after the passage of the eclipse are then brought to light at most measurement sites. The time–frequency characteristics of these waves are similar to those obtained from the model, which strongly suggests that these waves were produced by the passage of the 1 August 2008 solar eclipse.