bluuebunny/crossref_metadata_2025_split huggingface dataset:
Diversifying Query Auto-Completion
Authors: Cai Fei , Reinanda Ridho , Rijke Maarten De 
Published: June 2016

Query auto-completion assists web search users in formulating queries with a few keystrokes, helping them to avoid spelling mistakes and to produce clear query expressions, and so on. Previous work on query auto-completion mainly centers around returning a list of completions to users, aiming to push queries that are most likely intended by the user to the top positions but ignoring the redundancy among the query candidates in the list. Thus, semantically related queries matching the input prefix are often returned together. This may push valuable suggestions out of the list, given that only a limited number of candidates can be shown to the user, which may result in a less than optimal search experience.
In this article, we consider the task of diversifying query auto-completion, which aims to return the correct query completions early in a ranked list of candidate completions and at the same time reduce the redundancy among query auto-completion candidates. We develop a greedy query selection approach that predicts query completions based on the current search popularity of candidate completions and on the aspects of previous queries in the same search session. The popularity of completion candidates at query time can be directly aggregated from query logs. However, query aspects are implicitly expressed by previous clicked documents in the search context. To determine the query aspect, we categorize clicked documents of a query using a hierarchy based on the open directory project. Bayesian probabilistic matrix factorization is applied to derive the distribution of queries over all aspects. We quantify the improvement of our greedy query selection model against a state-of-the-art baseline using two large-scale, real-world query logs and show that it beats the baseline in terms of well-known metrics used in query auto-completion and diversification. In addition, we conduct a side-by-side experiment to verify the effectiveness of our proposal.
SpaceJMP
Authors: El Hajj Izzat , Merritt Alexander , Zellweger Gerd , Milojicic Dejan , Achermann Reto , Faraboschi Paolo , Hwu Wen-mei , Roscoe Timothy , Schwan Karsten 
Published: June 2016

Memory-centric computing demands careful organization of the virtual address space, but traditional methods for doing so are inflexible and inefficient. If an application wishes to address larger physical memory than virtual address bits allow, if it wishes to maintain pointer-based data structures beyond process lifetimes, or if it wishes to share large amounts of memory across simultaneously executing processes, legacy interfaces for managing the address space are cumbersome and often incur excessive overheads. We propose a new operating system design that promotes virtual address spaces to first-class citizens, enabling process threads to attach to, detach from, and switch between multiple virtual address spaces. Our work enables data-centric applications to utilize vast physical memory beyond the virtual range, represent persistent pointer-rich data structures without special pointer representations, and share large amounts of memory between processes efficiently.
We describe our prototype implementations in the DragonFly BSD and Barrelfish operating systems. We also present programming semantics and a compiler transformation to detect unsafe pointer usage. We demonstrate the benefits of our work on data-intensive applications such as the GUPS benchmark, the SAMTools genomics workflow, and the Redis key-value store.
Scalable Kernel TCP Design and Implementation for Short-Lived Connections
Authors: Lin Xiaofeng , Chen Yu , Li Xiaodong , Mao Junjie , He Jiaquan , Xu Wei , Shi Yuanchun 
Published: June 2016

With the rapid growth of network bandwidth, increases in CPU cores on a single machine, and application API models demanding more short-lived connections, a scalable TCP stack is performance-critical. Although many clean-state designs have been proposed, production environments still call for a bottom-up parallel TCP stack design that is backward-compatible with existing applications.
We present Fastsocket, a BSD Socket-compatible and scalable kernel socket design, which achieves table-level connection partition in TCP stack and guarantees connection locality for both passive and active connections. Fastsocket architecture is a ground up partition design, from NIC interrupts all the way up to applications, which naturally eliminates various lock contentions in the entire stack. Moreover, Fastsocket maintains the full functionality of the kernel TCP stack and BSD-socket-compatible API, and thus applications need no modifications.
Our evaluations show that Fastsocket achieves a speedup of 20.4x on a 24-core machine under a workload of short-lived connections, outperforming the state-of-the-art Linux kernel TCP implementations. When scaling up to 24 CPU cores, Fastsocket increases the throughput of Nginx and HAProxy by 267% and 621% respectively compared with the base Linux kernel. We also demonstrate that Fastsocket can achieve scalability and preserve BSD socket API at the same time. Fastsocket is already deployed in the production environment of Sina WeiBo, serving 50 million daily active users and billions of requests per day.
The Cytosolic NADPH Oxidase Subunit NoxO1 Promotes an Endothelial Stalk Cell Phenotype
Authors: Brandes Ralf P. , Harenkamp Sabine , Schürmann Christoph , Josipovic Ivana , Rashid Beliza , Rezende Flavia , Löwe Oliver , Moll Franziska , Epah Jeremy , Eresch Jeanette , Nayak Arnab , Kopaliani Irakli , Penski Cornelia , Mittelbronn Michel , Weissmann Norbert , Schröder Katrin 
Published: June 2016

Objective—
Reactive oxygen species generated by nicotinamide adenine dinucleotide phosphate (NADPH) oxidases contribute to angiogenesis and vascular repair. NADPH oxidase organizer 1 (NoxO1) is a cytosolic protein facilitating assembly of constitutively active NADPH oxidases. We speculate that NoxO1 also contributes to basal reactive oxygen species formation in the vascular system and thus modulates angiogenesis.

Approach and Results—

A NoxO1 knockout mouse was generated, and angiogenesis was studied in cultured cells and in vivo. Angiogenesis of the developing retina and after femoral artery ligation was increased in NoxO1
−/−
when compared with wild-type animals. Spheroid outgrowth assays revealed greater angiogenic capacity of NoxO1
−/−
lung endothelial cells (LECs) and a more tip-cell–like phenotype than wild-type LECs. Usually signaling by the Notch pathway switches endothelial cells from a tip into a stalk cell phenotype. NoxO1
−/−
LECs exhibited attenuated Notch signaling as a consequence of an attenuated release of the Notch intracellular domain on ligand stimulation. This release is mediated by proteolytic cleavage involving the α-secretase ADAM17. For maximal activity, ADAM17 has to be oxidized, and overexpression of NoxO1 promoted this mode of activation. Moreover, the activity of ADAM17 was reduced in NoxO1
−/−
LECs when compared with wild-type LECs.

Conclusions—
NoxO1 stimulates α-secretase activity probably through reactive oxygen species–mediated oxidation. Deletion of NoxO1 attenuates Notch signaling and thereby promotes a tip-cell phenotype that results in increased angiogenesis.
Current Status and Time Trends of Oral Anticoagulation Use Among Chinese Patients With Nonvalvular Atrial Fibrillation
Authors: Chang San-Shuai , Dong Jian-Zeng , Ma Chang-Sheng , Du Xin , Wu Jia-Hui , Tang Ri-Bo , Xia Shi-Jun , Guo Xue-Yuan , Yu Rong-Hui , Long De-Yong , Bai Rong , Liu Nian , Sang Cai-Hua , Jiang Chen-Xi , Liu Xiao-Hui , Pan Jian-Hong , Lip Gregory Y.H. 
Published: June 2016

Background and Purpose—
Reported rates of oral anticoagulation (OAC) use have been low among Chinese patients with atrial fibrillation (AF). With improved awareness, changing guidelines, this situation may be changing over time. We aimed to explore the current status and time trends of OAC use in Beijing.

Methods—
We used the data set from the Chinese Atrial Fibrillation Registry (CAFR), a prospective, multicenter, hospital-based registry study involving 20 tertiary and 12 nontertiary hospitals in Beijing. A total of 11 496 patients with AF were enrolled from 2011 to 2014.

Results—

Seven thousand nine hundred seventy-seven eligible patients were included in this ancillary study. The proportions of OAC use were 36.5% (2268/6210), 28.5% (333/1168), and 21.4% (128/599) for patients with CHA
2
DS
2
-VASc scores ≥2, 1, and 0, respectively. Persistent AF, history of stroke/transient ischemic attack/peripheral embolism, diabetes mellitus, higher body mass index, and tertiary hospital management were factors positively associated with OAC use, whereas older age, previous bleeding, hypercholesterolemia, and established coronary artery disease were factors negatively associated with OAC use. Among patients with CHADS
2
scores ≥2 and CHA
2
DS
2
-VASc scores ≥2, the proportion of OAC use increased from 31.3% to 64.5% and 30.2% to 57.7%, respectively, from 2011 to 2014. Variation in OAC use was substantial among different hospitals.

Conclusions—

An improvement of OAC use among Chinese patients with AF in Beijing is observed in recent years although only 36.5% of patients with CHA
2
DS
2
-VASc score ≥2 received OAC. However, variations between different hospitals were large, suggesting that better education and awareness are needed to improve efforts for stroke prevention among AF patients.

Clinical Trial Registration—

URL:
http://www.chictr.org.cn/showproj.aspx?proj=5831
. Unique identifier: ChiCTR-OCH-13003729.
Above the Mean: Examining Variability in Behavioral and Neural Responses to Multisensory Stimuli
Authors: Baum Sarah H. , Colonius Hans , Thelen Antonia , Micheli Cristiano , Wallace Mark T. 
Published: June 2016

Even when experimental conditions are kept constant, a robust and consistent finding in both behavioral and neural experiments designed to examine multisensory processing is striking variability. Although this variability has often been considered uninteresting noise (a term that is laden with strong connotations), emerging work suggests that differences in variability may be an important aspect in describing differences in performance between individuals and groups. In the current review, derived from a symposium at the 2015 International Multisensory Research Forum in Pisa, Italy, we focus on several aspects of variability as it relates to multisensory function. This effort seeks to expand our understanding of variability at levels of coding and analysis ranging from the single neuron through large networks and on to behavioral processes, and encompasses a number of the multimodal approaches that are used to evaluate and characterize multisensory processing including single-unit neurophysiology, electroencephalography (EEG), functional magnetic resonance imaging (fMRI), and electrocorticography (ECoG).
Role of Soil Moisture Feedback in the Development of Extreme Summer Drought and Flood in the United States
Authors: Saini Roop , Wang Guiling , Pal Jeremy S. 
Published: June 2016

Abstract
This study tackles the contribution of soil moisture feedback to the development of extreme summer precipitation anomalies over the conterminous United States using a regional climate model. The model performs well in reproducing both the mean climate and extremes associated with drought and flood. A large set of experiments using the model are conducted that involve swapped initial soil moisture between flood and drought years using the 1988 and 2012 droughts and 1993 flood as examples. The starting time of these experiments includes 1 May (late spring) and 1 June (early summer). For all three years, the impact of 1 May soil moisture swapping is much weaker than the 1 June soil moisture swapping. In 1988 and 2012, replacing the 1 June soil moisture with that from 1993 reduces both the spatial extent and the severity of the simulated summer drought and heat. The impact is especially strong in 2012. In 1993, however, replacing the 1 June soil moisture with that from 1988 has little impact on precipitation. The contribution of soil moisture feedback to summer extremes is larger in 2012 than in 1988 and 1993. This may be because of the presence of strong anomalies in large-scale forcing in 1988 and 1993 that prohibit or favor precipitation, and the lack of such in 2012. This study demonstrates how the contribution of land–atmosphere feedback to the development of seasonal climate anomalies may vary from year to year and highlights its importance in the 2012 drought.
The development of a classification system for maternity models of care
Authors: Donnolley Natasha , Butler-Henderson Kerryn , Chapman Michael , Sullivan Elizabeth 
Published: June 2016

Background: A lack of standard terminology or means to identify and define models of maternity care in Australia has prevented accurate evaluations of outcomes for mothers and babies in different models of maternity care. Objective: As part of the Commonwealth-funded National Maternity Data Development Project, a classification system was developed utilising a data set specification that defines characteristics of models of maternity care. Method: The Maternity Care Classification System or MaCCS was developed using a participatory action research design that built upon the published and grey literature. Results: The study identified the characteristics that differentiate models of care and classifies models into eleven different Major Model Categories. Conclusion: The MaCCS will enable individual health services, local health districts (networks), jurisdictional and national health authorities to make better informed decisions for planning, policy development and delivery of maternity services in Australia.
Localization and identification of thin oil layers using a slim-borehole nuclear magnetic resonance tool
Authors: Dlugosch Raphael , Günther Thomas , Lukàcs Tamàs , Müller-Petke Mike 
Published: June 2016

In the recent years, slim-borehole nuclear magnetic resonance (NMR) tools, designed for shallow hydrogeological applications, have become available. We have developed and improved the performance of one of them to detect and characterize hydrocarbon contamination. Our objectives were (1) to generally increase the vertical resolution of NMR logs below the instrumental resolution to detect thin layers and (2) to study the feasibility of using these tools to distinguish fluids (i.e., oil and water) using NMR diffusion measurements. To increase the vertical resolution, we have jointly inverted measurements made with overlapping sensitive volumes. We have developed an example in which a thin layer of 10 cm was successfully resolved. Using this approach, the instrumental resolution of the probe (50 cm) can be increased at the cost of additional measurement time. To differentiate and quantify the water and oil phases based on their contrast in diffusion coefficient, we have used a Carr-Purcell-Meiboom-Gill pulse sequence with varying echo spacings. We have found that, due to the low magnetic gradient of the probe, diffusion coefficients [Formula: see text] were difficult to resolve. Therefore, hydrocarbons with low diffusion coefficients, e.g., crude or rapeseed oil, cannot be uniquely identified, but can be quantified and clearly distinguished from water. Hydrocarbons with higher diffusion coefficients, e.g., diesel, kerosene, and gasoline, can be unambiguously identified based on their diffusion coefficient but may be difficult to distinguish from water. We have combined both approaches, enabling NMR logging to be used for fluid identification with increased vertical resolution. We have evaluated the performance of the measurement and inversion schemes using a controlled experimental setup consisting of a rapeseed oil layer on top of water in a tank.
Calidad de vida y actividad física en personas de la tercera edad con apoyo de la Estrategia de Salud Familiar en Itajaí, SC, Brasil
Authors: Mezadri Tatiana , Grillo Luciane , Lacerda Leo , Caleffi Franciele , Felipe Márcia 
Published: June 2016

Este estudio objetiva evaluar la calidad de vida y el nivel de actividad física en las personas de la tercera edad que pertenecen a un equipo de Estrategia de Salud Familiar en Itajaí, SC. La evaluación de la calidad de vida fue realizada por medio de instrumentos genéricos elaborados por investigadores de la Organización Mundial de la Salud denominados WHOQOL-bref y WHOQOL-old. Los datos recolectados fueron analizados conforme a modelos estadísticos válidos para estos instrumentos. Para medir el nivel de actividad física se utilizó un cuestionario internacional de actividad física (IPAQ) y para el análisis de esta variable se utilizó estadística descriptiva y analítica. En relación a la calidad de vida, los resultados presentan un valor semejante en ambos instrumentos: 67,42±17,2 en WHOQOL-bref y 68,89±11,41 en WHOQOL-old. Las mayores puntuaciones en la calificación de la calidad de vida de esta populación fueron para “medio-ambiente” y “muerte y morir”. En cuanto al nivel de actividad física, predominaron las personas mayores activas (70%). Al comparar la relación entre calidad de vida y la práctica de actividad física, solo se encontró asociación entre el dominio físico y el nivel de actividad física. Así, la calidad de vida es un indicador de salud y los resultados a partir de instrumentos utilizados pueden sugerir intervenciones para mejor la calidad de vida en las personas mayores.
Social Responsibility and Product Innovation
Authors: Iyer Ganesh , Soberman David A. 
Published: June 2016

This paper examines the incentives of firms to invest in socially responsible product innovations. Our analysis connects the existence of socially responsible innovations to the presence of intrinsic and extrinsic social responsibility preferences. In addition to deriving economic value from the product, consumers have heterogeneous intrinsic needs to consume products that are socially responsible. They also have extrinsic social comparison preferences that are based on their meetings with others in social interactions. The frequency of these meetings are endogenous to the consumption choices of consumers. A consumer enjoys a social comparison benefit if her consumption decision is more socially responsible than the consumer that she meets in a social interaction and a social comparison cost if it is less socially responsible. The analysis reveals a nonmonotonic effect of social comparison effects on innovation incentives. When the economic value of a product is relatively small, the incentive to innovate decreases as social comparison effects increase. By contrast, when the economic value of a product is sufficiently large, increases in social comparison effects increase the incentive to innovate. Social comparison benefits and costs have different effects on competition between firms. In particular, social comparison benefits soften price competition, whereas social comparison costs tend to exacerbate price competition. We also identify market conditions where a monopoly invests more or less compared to a firm facing competition.
Handedness and gender influence blood pressure in young healthy men and women: A pilot study
Authors: Rueda I , Banegas I , Prieto I , Wangensteen R , Segarra AB , Villarejo AB , De Gasparo M , Luna JD , Vives F , Ruiz-Bailen M , Ramirez-Sanchez M 
Published: June 2016

Abstract

Objective. The type and level of sex steroids influence blood pressure (BP). It has been suggested that functional brain asymmetries may be influenced by sex hormones. In addition, there are inter-arm differences in BP not yet related with handedness. In this study, we hypothesize a possible association between sex hormones, handedness, and inter-arm differences in blood pressure.

Methods. To analyze this hypothesis, we measured BP in the left and right arm of the left and right handed adult young men and women in menstrual and ovulatory phase and calculated their mean arterial pressure (MAP).

Results. Significant differences depending on sex, arm, handedness or phase of the cycle were observed. MAP was mostly higher in men than in women. Remarkably, in women, the highest levels were observed in the left handed in menstrual phase. Interestingly, the level of handedness correlated negatively with MAP measured in the left arm of right-handed women in the ovulatory phase but positively with the MAP measured in the right arm of right-handed women in the menstrual phase.

Conclusions. These results may reflect an asymmetrical modulatory influence of sex hormones in BP control.
Fluency in monologic and dialogic task performance: Challenges in defining and measuring L2 fluency
Authors: Tavakoli Parvaneh 
Published: June 2016

AbstractThe study reported in this paper challenges current models of measuring second language fluency by comparing monologic versus dialogic task performance, and providing a novel insight into the measurement of the interactive aspects of dialogic performance. The data that constitute 35 monologic and dialogic task performances from second language learners were coded using a battery of established measures known to tap different aspects of fluency, and subjected to statistical analysis to test for overlaps or differences. Interactive aspects of fluency in dialogue, e. g. interruptions, overlap and unclaimed between turn pauses were also investigated to compare with common measures of monologic speech. While the results confirm previous research findings suggesting that performance is in general statistically more fluent in a dialogue in terms of speed, length of pause and repair measures, they indicate that performances in the two modes are not different in terms of number and location of pauses. The analysis of the dialogues indicates that the decisions researchers make about measuring the interactive aspects of fluency would have an impact on the outcome of measurements of fluency. These findings highlight the need for developing a more systematic and reliable approach to measuring second language (L2) fluency.
Optimized Investigations over Diameter and Distance Based Factor towards Rigidity and Accuracy of Spindle in CNC Machining Centers
Authors: Verma Kuldeep , Belokar R. M. 
Published: June 2016

AbstractThis manuscript deals with an optimized approach to work out the spindle diameter and distance of the spindle unit. Initially, the model for the evaluation of prescribed rigidity between the supports of computer numeric control (CNC) machining center has been designed and illustrated. The accuracy of the spindle rotation supported at two points has been investigated. Additionally, the critical speed of the spindle based on the projected methodology has been judged. Further, we computed the strength of the spindle in CNC machining center. Finally, real-time investigations have been made to validate the proposed approach.
Crystal structure of poly[aqua(μ2-2,5-bis(4-pyridyl)-1,3,4-oxadiazole-κ2
N,N)(μ2-1,3-phenylenediacetato-κ3
O,O′:O′′)cobalt(II)], C22H18CoN4O6
Authors: Liu Jing 
Published: June 2016

Abstract
C22H18CoN4O6, monoclinic, P21/c (no. 14), a = 8.540(2) Å, b = 11.371(3) Å, c = 23.441(5) Å, β = 95.298(3)°, V = 2266.6(9) Å3, Z = 4, R
gt
(F) = 0.0652, wR
ref
(F
2
) = 0.1743, T = 293(2) K.
Crystal structure of diaquabis(3-(3,5-dibromophenyl)-5-(pyridin-2-yl)-1,2,4-triazol-4-ido-κ2
N,N′)nickel(II) mono hydrate, C26H20Br4N8NiO3
Authors: Meng Jiang Ping , Liu Xuan Lin , Xu Qiang 
Published: June 2016

Abstract
C26H20Br4N8NiO3, monoclinic, P2/c (no. 13), a = 13.760(4) Å, b = 14.079(4) Å, c = 16.317(5) Å, β = 98.604(6)°, V = 3125.5(16) Å3, Z = 4, R
gt
(F) = 0.0719, wR
ref
(F
2
) = 0.1376, T = 293 K.
Crystal structure of 6-hydroxy-5-((2-hydroxy-6-oxocyclohex-1-en-1-yl)(phenyl)methyl)-1,3-dimethylpyrimidine-2,4(1H,3H)-dione, C19H20N2O5
Authors: Barakat Assem , Al-Majid Abdullah Mohammed , Ali M. , Ghabbour Hazem A. , Al-Marashdah M.S. , Siddiqui Mohammed Rafiq 
Published: June 2016

Abstract
C19H20N2O5, orthorhombic, P212121 (no. 19), a = 10.3920(6) Å, b = 10.7709(8) Å, c = 14.8810(11) Å, V = 1665.6(2) Å3, Z = 4, R
gt
(F) = 0.0504, wR
ref
(F2) = 0.1068, T = 100 K.