Miracle-dz/UniFAR-FTUs huggingface dataset:
A lightweight infrastructure for graph analytics

Several domain-specific languages (DSLs) for parallel graph analytics have been proposed recently. In this paper, we argue that existing DSLs can be implemented on top of a general-purpose infrastructure that (i) supports very fine-grain tasks, (ii) implements autonomous, speculative execution of these tasks, and (iii) allows application-specific control of task scheduling policies. To support this claim, we describe such an implementation called the Galois system. We demonstrate the capabilities of this infrastructure in three ways. First, we implement more sophisticated algorithms for some of the graph analytics problems tackled by previous DSLs and show that end-to-end performance can be improved by orders of magnitude even on power-law graphs, thanks to the better algorithms facilitated by a more general programming model. Second, we show that, even when an algorithm can be expressed in existing DSLs, the implementation of that algorithm in the more general system can be orders of magnitude faster when the input graphs are road networks and similar graphs with high diameter, thanks to more sophisticated scheduling. Third, we implement the APIs of three existing graph DSLs on top of the common infrastructure in a few hundred lines of code and show that even for power-law graphs, the performance of the resulting implementations often exceeds that of the original DSL systems, thanks to the lightweight infrastructure.
Optimum projection angle for attaining maximum distance in a rugby place kick.

This study investigated the effect of projection angle on the distance attained in a rugby place kick. A male rugby player performed 49 maximum-effort kicks using projection angles of between 20 and 50°. The kicks were recorded by a video camera at 50 Hz and a 2 D biomechanical analysis was conducted to obtain measures of the projection velocity and projection angle of the ball. The player's optimum projection angle was calculated by substituting a mathematical expression for the relationship between projection velocity and projection angle into the equations for the aerodynamic flight of a rugby ball. We found that the player's calculated optimum projection angle (30.6°, 95% confidence limits ± 1.9°) was in close agreement with his preferred projection angle (mean value 30.8°, 95% confidence limits ± 2.1°). The player's calculated optimum projection angle was also similar to projection angles previously reported for skilled rugby players. The optimum projection angle in a rugby place kick is considerably less than 45° because the projection velocity that a player can produce decreases substantially as projection angle is increased. Aerodynamic forces and the requirement to clear the crossbar have little effect on the optimum projection angle. Key PointsThe optimum projection angle in a rugby place kick is about 30°. The optimum projection angle is considerably less than 45° because the projection velocity that a player can produce decreases substantially as projection angle is increased.Aerodynamic forces and the requirement to clear the crossbar have little effect on the optimum projection angle.
Effect of Representativeness Bias on Investment Decision Making

This study is conducted to find out the effect of representativeness bias on investment decision by using self administered questionnaires and circulated 160 questionnaires in Islamabad stock exchange and 120 questionnaire collected back, the questionnaire used in this study is taken from research paper of Chun and Ming (2008). This study used regression analysis to find out the effect of representativeness bias and results of this study show that investors are affected by representativeness bias in Islamabad Stock Exchange. Investors in Islamabad stock exchange are using past performance as representative of future and investing with representativeness bias.
Distributed Shared Abstractions (dsa) on Multiprocessors

Any parallel program has abstractions that are shared by the program's multiple processes, including data structures containing shared data, code implementing operations like global sums or minima, type instances used for process synchronization or communication, etc. Such shared abstractions can considerably aaect the performance of parallel programs, on both distributed and shared memory multiprocessors. As a result, their implementation must be eecient, and such eeciency should be achieved without unduly compromising program portability and maintainability. Unfortunately, eeciency and portability can be at cross-purposes, since high performance typically requires changes in the representation of shared abstractions across diierent parallel machines. The primary contribution of the DSA library presented and evaluated in this paper is its representation of shared abstractions as objects that may be internally distributed across diierent nodes of a parallel machine. Such distributed shared abstractions (DSA) are encapsulated so that their implementations are easily changed while maintaining program porta-bility across parallel architectures ranging from small-scale multiprocessors, to medium-scale shared and distributed memory machines, and potentially, to networks of computer workstations. The principal results presented in this paper are (1) a demonstration that the fragmentation of object state across diierent nodes of a multiprocessor machine can signiicantly improve program performance and (2) that such object fragmentation can be achieved without compromising portability by changing object interfaces. These results are demonstrated using implementations of the DSA library on several medium-scale multiprocessors, including the BBN Butterry, Kendall Square Research, and SGI shared memory multiprocessors. The DSA library's evaluation uses synthetic workloads and a parallel implementation of a branch-and-bound algorithm for solving the Traveling Salesperson Problem (TSP).
Exploring Baba and Nyonya culture via multiple image lenses : food travellers’ perspective / Jason M. S. Lam...[et al.]

This study applies a multidimensional approach in the context of Baba and Nyonya cuisine. A total of 209 international food tourists were surveyed in Malacca, Malaysia. The results derived from structural equation modelling empirically confirmed that the cognitive image dimensions of safety, uniqueness and family-oriented significantly and positively influenced both affective and conative images. However, the cognitive image dimension of variety only partially influenced affective image, but not a conative image, while the cognitive image of cooking methods did not show any significant effects on the affective nor conative image. Finally, affective image dimensions significantly and positively influenced the conative image. Relevant implications, limitations, and suggestions for future studies for Baba and Nyonya cuisine also discussed.
LATERAL VELOCITY VARIATIONS IN SOUTHERN CALIFORNIA

The plate boundary and major crustal blocks in southern California are imaged by a tomographic backprojection of the Pg first arrivals recorded by the Southern California Array. The method, formulated specifically for local earthquake arrival times, is a fast, iterative alternative to direct least-squares techniques. With it, we solve the combined problem of determining refractor velocity perturbations and source and station delays. Resolution and variance are found empirically by using synthetic examples. A map showing lateral velocity variations at a depth of approximately 10 km is presented. The results show a strong correlation with surface tectonic features. Clear velocity contrasts exist across the San Andreas, the San Jacinto, and the Garlock faults. The Mojave region has the slowest velocities while the Peninsula Ranges have the highest. The San Jacinto block has velocities intermediate between Mojave and Peninsula Range velocities, and also has early station delays. This may indicate that the San Jacinto block has overridden Mojave material on a shallow detachment surface. No velocity variations are found associated with the Transverse Ranges, which we interpret to mean that the surface batholithic rocks in this area do not extend to Pg depths.
Rationalization of mobile telephony by small-scale entrepreneurs in Myanmar

ABSTRACT This paper examines the adoption and use of mobile communication among several dozen micro-entrepreneurs in Myanmar during the country’s transition into mobile communication. The objective of the paper was to examine whether mobile phone ownership facilitates the work of some micro-entrepreneurs and constrains the work of others. In addition, the paper examines the situation of those who were exploiting the ‘spillover efficiencies’ of mobile telephony by borrowing (sometimes for pay) the phones of others. The findings of this study suggest that the early adopters reap efficiency benefits while those who lag behind have a weaker position. The paper also examines examples of some small-scale ‘sideline’ activities enabled by the mobile phone, e.g., phone owners selling air-time to non-owners. At the same time, the affordances of the device threatened the core of other small-scale entrepreneurs.
TCP14 and TCP15 affect internode length and leaf shape in Arabidopsis

TCP transcription factors constitute a small family of plant-specific bHLH-containing, DNA-binding proteins that have been implicated in the control of cell proliferation in plants. Despite the significant role that is likely to be played by genes that control cell division in the elaboration of plant architecture, functional analysis of this family by forward and reverse genetics has been hampered by genetic redundancy. Here we show that mutants in two related class I TCP genes display a range of growth-related phenotypes, consistent with their dynamic expression patterns; these phenotypes are enhanced in the double mutant. Together, the two genes influence plant stature by promoting cell division in young internodes. Reporter gene analysis and use of SRDX fusions suggested that TCP14 and TCP15 modulate cell proliferation in the developing leaf blade and specific floral tissues; a role that was not apparent in our phenotypic analysis of single or double mutants. However, when the relevant mutants were subjected to computer-aided morphological analysis of the leaves, the consequences of loss of either or both genes became obvious. The effects on cell proliferation of perturbing the function of TCP14 and TCP15 vary with tissue, as has been suggested for other TCP factors. These findings indicate that the precise elaboration of plant form is dependent on the cumulative influence of many TCP factors acting in a context-dependent fashion. The study highlights the need for advanced methods of phenotypic analysis in order to characterize phenotypes and to construct a dynamic model for TCP gene function.
Feedback E ¤ ects of Commodity Futures Prices

A widely held view posits that when speculators drive up the futures price of a commodity, real demand must fall. This paper develops a model to contrast this view through an informational feedback e¤ect. Our model builds on two practical observations: 1) Futures prices of key industrial commodities such as copper and oil became barometers of global demand in the recent decade as a result of the rapid economic expansions of emerging economies; and 2) complementarity exists in industrial producersproduction decisions as a result of their need to trade produced goods. In the presence of information frictions and production complementarity, an increase in commodity futures prices, even if driven by non-fundamental factors, signals strong global economic strength, and may thus induce increased commodity demand. We wish to thank Thierry Foucault, Lutz Kilian, Matteo Maggiori, Joel Peress, Ken Singleton, and seminar participants at Emory, HEC-Paris, INSEAD, NBER Meeting on Economics of Commodity Markets, and Princeton for helpful discussion and comments. yPrinceton University. Email: msockin@princeton.edu. zPrinceton University and NBER. Email: wxiong@princeton.edu.
PDGF-AA and PDGF-BB biosynthesis: proprotein processing in the Golgi complex and lysosomal degradation of PDGF-BB retained intracellularly

Platelet-derived growth factor is a potent mitogen for cells of mesenchymal origin. It is made up of two polypeptide chains (A and B) combined in three disulfide-linked dimeric forms (AA, AB, and BB). Here, the biosynthesis and proteolytic processing of the two homodimeric forms of PDGF (AA and BB) were studied in CHO cells stably transfected with A-chain (short splice version) or B-chain cDNA. PDGF- AA was processed to a 30-kD molecule which was secreted from the cells. In contrast, PDGF-BB formed two structurally distinct end products; a minor secreted 30-kD form and a major cell-associated 24-kD form. Immunocytochemical studies at light- and electron-microscopical levels revealed presence of PDGF in the Golgi complex, in lysosomes, and to a smaller extent in the ER. From analysis of cells treated with brefeldin A, an inhibitor of ER to Golgi transport, it was concluded that dimerization occurs in the ER, whereas the proteolytic processing of PDGF-AA and PDGF-BB precursors normally occurs in a compartment distal to the ER. Exposure of the cultures to the lysosomal inhibitor chloroquine led to an increased cellular accumulation of PDGF-BB, as determined both by metabolic labeling experiments and immunocytochemical methods, indicating that the retained form of PDGF- BB is normally degraded in lysosomes. Structural analysis of the two end products of PDGF-BB revealed that the secreted 30-kD form is a dimer of peptides processed as the B-chain of PDGF purified from human platelets, and that the retained 24-kD form is made up of subunits additionally processed in the NH2-terminus. Also, the 24-kD form was shown to be composed of proteolytic fragments held together by disulfide bridges. Taken together these findings suggest that the newly synthesized PDGF A- and B-chains are dimerized in the ER and thereafter transferred to the Golgi complex for proteolytic processing. From there, PDGF-AA is carried in vesicles to the cell surface for release extracellularly by exocytosis. A smaller part of PDGF-BB (the 30-kD form) is handled in a similar way, whereas the major part (the 24-kD form) is generated by additional proteolysis in the Golgi complex, from which it is slowly carried over to lysosomes for degradation.
Degradation of Tropical Malaysian Peatlands Decreases Levels of Phenolics in Soil and in Leaves of Macaranga pruinosa

Indo-Malaysian tropical peat swamp forests (PSF) sequester enormous stores of carbon in the form of phenolic compounds, particularly lignin as well as tannins. These phenolic compounds are crucial for ecosystem functioning in PSF through their inter-related roles in peat formation and plant defenses. Disturbance of PSF causes destruction of the peat substrate, but the specific impact of disturbance on phenolic compounds in peat and its associated vegetation has not previously been examined. A scale was developed to score peatland degradation based on the three major human impacts that affect tropical PSF – logging, drainage and fire. The objectives of this study were to compare the amount of phenolic compounds in Macaranga pruinosa, a common PSF tree, and in the peat substrate along a gradient of peatland degradation from pristine peat swamp forest to cleared, drained and burnt peatlands. We examined phenolic compounds in M. pruinosa and in peat and found that levels of total phenolic compounds and total tannins decrease in the leaves of M.pruinosa and also in the surface peat layers with an increase in peatland degradation. We conclude that waterlogged conditions preserve the concentration of phenolic compounds in peat, and that even PSF that has been previously logged but which has recovered a full canopy cover will have high levels of total phenolic content (TPC) in peat. High levels of TPC in peat and in the flora are vital for the inhibition of decomposition of organic matter and this is crucial for the accretion of peat and the sequestration of carbon. Thus regional PSF flourish despite the phenolic rich, toxic, waterlogged, nutrient poor, conditions, and reversal of such conditions is a sign of degradation.
Regulation of intestinal epithelial barrier function by TGF-beta 1. Evidence for its role in abrogating the effect of a T cell cytokine.

Maintenance of the integrity of the single-cell-thick intestinal epithelium as an in vivo barrier between environmental Ags and mucosal immunocytes is pivotal for health. The T cell cytokine IFN-gamma consistently disrupts this epithelial barrier in vitro, but the substances in mucosa that may be responsible for sustaining or enhancing barrier function have not been clearly identified. Therefore, we characterized the effect on the epithelial barrier of TGF-beta 1 and three prominent neuropeptides (VIP, substance P, somatostatin) by using a model system in which barrier function of a mature polar human colonic epithelial (T84) cell monolayer is reflected in 1) the electrical potential difference across the apical to basolateral surface of each cell, 2) the transmonolayer permeability to macromolecules such as horseradish peroxidase, and 3) lactate dehydrogenase release into the medium indicating epithelial cell cytolysis. Whereas T84 monolayers exposed to TGF-beta 1 alone demonstrated a modest increase in electrical resistance and barrier integrity, TGF-beta 1 showed a striking ability to reduce the capacity of IFN-gamma to disrupt epithelial barrier function. Characterization studies demonstrated that this TGF-beta 1 effect was prolonged (e.g., days) after a single exposure, progressive over the dose range 0.1 to 2.5 ng/ml, reversible with increased concentrations of IFN-gamma, and more pronounced when TGF-beta 1 exposure was to basolateral rather than to apical epithelial membranes. Macromolecular (horseradish peroxidase) penetration of epithelium was not simultaneously altered by TGF-beta 1 and epithelial cellular injury was minimal as gauged by lactate dehydrogenase release. Additional studies using a human pathogen demonstrated that TGF-beta 1 delayed and decreased the barrier disruption caused by exposure to Cryptosporidium parvum. TGF-beta 1 may be the first of a new class of cytokines that maintains and/or enhances barrier function of human enterocytes, in part by countering the effect of a T cell cytokine.
Differences Between Out-of-Hospital Cardiac Arrest in Residential and Public Locations and Implications for Public-Access Defibrillation

Background— The majority of out-of-hospital cardiac arrests (OHCAs) occur in residential locations, but knowledge about strategic placement of automated external defibrillators in residential areas is lacking. We examined whether residential OHCA areas suitable for placement of automated external defibrillators could be identified on the basis of demographic characteristics and characterized individuals with OHCA in residential locations. Methods and Results— We studied 4828 OHCAs in Copenhagen between 1994 and 2005. The incidence and characteristics of OHCA were examined in every 100×100-m (109.4×109.4-yd) residential area according to its underlying demographic characteristics. By combining ≥2 demographic characteristics, it was possible to identify 100×100-m (109.4×109.4-yd) areas with at least 1 arrest every 5.6 years (characterized by >300 persons per area and lowest income) to 1 arrest every 4.3 years (characterized by >300 persons per area, lowest income, low education, and highest age). These areas covered 9.0% and 0.8% of all residential OHCAs, respectively. Individuals with OHCA in residential locations differed from public ones in that the patients were older (70.6 versus 60.6 years; P<0.0001), the ambulance response interval was longer (6.0 versus 5.0 minutes; P<0.0001), arrests occurred more often at night (21.2% versus 11.2%; P<0.0001), the patients had ventricular fibrillation less often (12.8% versus 38.1%; P<0.0001), and the patients had a worse 30-day survival rate (3.2% versus 13.9%; P<0.0001). Conclusions— On the basis of simple demographic characteristics of a city center, we could identify residential areas suitable for automated external defibrillator placement. Individuals with OHCA in residential locations were more likely to have characteristics associated with poor outcome compared with public arrests.
Converging Evidence from Corpus and Experimental Data to Capture Idiomaticity*

It is a by now established fact that idiomaticity cannot be equated with non-compositionality alone, but is a complex concept that is also associated with various aspects of formal flexibility. This raises the question to what extent speakers call up these different factors when judging the overall idiomaticity of a phrase. In the present paper, experimental and corpus-linguistic methodology are combined to address this question. For a total of 39 V NP-idioms of the kind make a point or take the plunge, comprising more than 13,000 tokens obtained from the British National Corpus, their compositionality, syntactic, lexico-syntactic, and morphological flexibility were assessed corpus-linguistically. The corpus-based results thereby obtained were then correlated with native speakers' overall idiomaticity judgments in a multiple regression analysis to determine each factor's impact on the overall judgments. The results indicate that speakers indeed rely on multiple factors simultaneously, with lexico-syntactic and morphological factors being even more important than com-positionality, and verb-related being more important than NP-related information. Overall, the results back up the theoretical concept of a collocation-idiom continuum, and demonstrate how various, and sometimes competing, motivations determine a phrase's position on this continuum.
Suicidal Ideation and Sense of Community in Faith Communities

Previous studies have found that religion and spirituality (R/S) are related to less suicidal ideation (SI), fewer suicide attempts and fewer suicide deaths and that an absence of social support is associated with SI, suicide attempts, and suicide death. 745 Catholic, Jewish, and Protestant congregants completed an online survey measuring their sense of community (SOC) in their faith community, overall belonging and SI. SOC was weakly related to SI. Congregants attending more than one service per week reported more SI and more importance to feel a SOC. Jewish and Hispanic congregants reported more SI. Unmarried congregants reported lower overall belonging, more SOC and more SI, suggesting that people apportion their sense of connectedness differently. Future studies might examine the relationship of SOC to suicide attempts and deaths and how a faith community might confer SOC differently from a non-religious/non-spiritual community.
Framed? Judicialization and the Risk of Negative Episodic Media Coverage

Activists on the left and right have increasingly turned to the courts to make policy, raising questions about the potential risks of judicialization. One possibility is that litigation is more prone to negative episodic media coverage than alternative modes of policymaking. Using across- and within-policy area comparisons of stories about the Federal Black Lung Program, collective asbestos litigation strategies, and individual asbestos tort suits, we find that coverage becomes steadily more episodic and critical as it focuses on policy regimes that feature increasing amounts of adversarial legalism. Moreover, even the broadest coverage of asbestos litigation fails to explain why victims of asbestos turned to the courts, how powerful interests constrained their policy options, or how judges urged Congress to act. This limited and relatively critical anecdotal reporting implies that litigation may engender less favorable media coverage than its alternatives and that activists should weigh this risk when deciding to litigate.