Miracle-dz/UniFAR-FTUs huggingface dataset:
J an 2 01 7 Optimization of Caching Devices with Geometric Constraints

It has been recently advocated that in large communication systems it is beneficial both for the users and for the network as a whole to store content closer to users. One particular implementation of such an approach is to co-locate caches with wireless base stations. In this paper we study geographically distributed caching of a fixed collection of files. We model cache placement with the help of stochastic geometry and optimize the allocation of storage capacity among files in order to minimize the cache miss probability. We consider both per cache capacity constraints as well as an average capacity constraint over all caches. The case of per cache capacity constraints can be efficiently solved using dynamic programming, whereas the case of the average constraint leads to a convex optimization problem. We demonstrate that the average constraint leads to significantly smaller cache miss probability. Finally, we suggest a simple LRU-based policy for geographically distributed caching and show that its performance is close to the optimal.
v 2 29 J an 2 00 7 Recurrent motions within plane Couette turbulence

The phenomenon of bursting, in which streaks in turbulent boundary layers oscillate and then eject low speed fluid away from the wall, has been studied experimentally, theoretically, and computationally for more than 50 years because of its importance to the three-dimensional structure of turbulent boundary layers. We produce five new three-dimensional solutions of turbulent plane Couette flow, one of which is periodic while four others are relative periodic. Each of these five solutions demonstrates the break-up and re-formation of near-wall coherent structures. Four of our solutions are periodic but with drifts in the streamwise direction. More surprisingly, two of our solutions are periodic but with drifts in the spanwise direction, a possibility that does not seem to have been considered in the literature. We argue that a considerable part of the streakiness observed experimentally in the near-wall region could be due to spanwise drifts that accompany the break-up and re-formation of coherent structures. We also compute a new periodic solution of plane Couette flow that could be related to transition to turbulence. The violent nature of the bursting phenomenon implies the need for good resolution in the computation of periodic and relative periodic solutions within turbulent shear flows. We address this computationally demanding requirement with a new algorithm for computing relative periodic solutions one of whose features is a combination of two well-known ideas — namely the Newton-Krylov iteration and the locally constrained optimal hook step. Each of our six solutions is accompanied by an error estimate. In the concluding discussion, we discuss dynamical principles that suggest that the bursting phenomenon, and more generally fluid turbulence, can be understood in terms of periodic and relative periodic solutions of the Navier-Stokes equation. ∗Department of Mathematics, University of Michigan, 530 Church Street, Ann Arbor, MI 48109, U.S.A.
Photo Style Transfer in Tensor Flow

Style transfer between a photograph and artistic image is a common and well-studied subfield in computer vision. These models do not generalize well to style transfer between two photographs, as photographs tend to have very localized style. However, transfer between two images could potentially be useful for image filtering in apps or image enhancement techniques. Recent work by Luan et al has set forth updates to traditional style transfer models to further enhance such transfer. This paper seeks to recreate and improve upon the framework in Tensorflow.
THE INFLUENCE OF TEMPERATURE AND SALINITY ON THE STATOLITH OF THE OVAL SQUID SEPIOTEUTHIS LESSONIANA LESSON , 1830 DURING EARLY DEVELOPMENTAL STAGES

Sepioteuthis lessoniana Lesson, 1830 is an important fishery resource in Taiwan. Its distribution is concentrated around the northeastern and the southern coasts of Taiwan, and the Peng-Hu Archipelago. In this study, we use the known-age statoliths incubated in the different conditions to relate with those factors, i.e., temperature, salinity, and photoperiod, which influenced the ring formations during the embryonic and larval stages. Although the growth increments can be counted in each specimen, the numbers of embryonic increments do not correspond with the time span from stage 24 to hatching. Squid larvae were maintained as long as possible. The trend which older squids have more increments on the statolith than younger squids is consistent, but the slope between the increments and survival days is less than one. This study indicates that the hypothesis of daily-increment for the whole life history requires further verification with larger sample size and wider size ranges of the tropical squids in future.
LA-01 1 Test Results and Analysis of LQS 03 Third Long Nb 3 Sn Quadrupole by LARP

With the first test of LQS03 the Long Quadrupole (LQ) R&D by LARP (the US LHC Accelerator Research Program, a collaboration of BNL, FNAL, LBNL, and SLAC) is approaching conclusion. LQS03 is the third 3.7 m long quadrupole, with 90 mm aperture, using a full new set of Nb3Sn coils. The LQS03 coils were made using 108/127 RRP strand (with 108 Nb3Sn sub-elements) produced by Oxford Superconducting Technology, whereas both previous models used 54/61 RRP strand (with 54 larger Nb3Sn sub-elements). In this paper LQS03 test results are presented and discussed. The test results are also compared with the performances of the previous models. Observations are made for the future use of Nb3Sn in accelerator magnets.
Knowledge and Participation in Capital Market Activities : The Ghanaian Experience

In recent times, increasing public knowledge, and building public confidence and participation in capital market activities have become central to capital market development. Without active and continuous participation, capital markets begin to lack products and liquidity. This study assesses the extent of knowledge about capital market activities, the relationship between this level of knowledge and participation in capital market activities, and the factors that promote capital market knowledge and participation in Ghana. The study uses Chi-square and descriptive analysis to explain the variables under investigation. The results reveal that majority of respondents have little knowledge about capital market activities, and that the level of knowledge about capital market activities significantly and directly relates to capital market participation. Schooling, media publications, social interactions, and one’s occupation or profession are all major factors that appear to promote knowledge about capital market activities.
Different Radiation Impedance Models for Finite Porous Absorbers

The Sabine absorption coefficients of finite absorbers are measured in a reverberation chamber according to the international standard ISO 354. They vary with the specimen size essentially due to diffraction at the specimen edges, which can be seen as the radiation impedance differing from the infinite case. Thus, in order to predict the Sabine absorption coefficients of finite porous samples, one can incorporate models of the radiation impedance. In this study, different radiation impedance models are compared with two experimental examples. Thomasson’s model is compared to Rhazi’s method when coupled to the transfer matrix method (TMM). These methods are found to yield comparable results when predicting the Sabine absorption coefficients of finite porous materials. Discrepancies with measurement results can essentially be explained by the unbalance between grazing and non-grazing sound field in the reverberation chamber. A better agreement is found when incorporating the modal decomposition method to the models.
Gepner 1 CHALLENGES FOR OCCUPANT SAFETY IN HIGHLY AUTOMATED VEHICLES ACROSS VARIOUS ANTHROPOMETRIES

The introduction of automated driving systems (ADS) is likely to change the very nature of personal transportation. Without the need to drive, occupants will have more freedom to engage in other activities, which could result in major changes to vehicle interiors, controls, and seating configurations. Reclined posture seating may be an option that manufacturers consider in the relatively near term. The goal of this study is to evaluate how varying occupant anthropometry, distance to the knee bolster, and seatback angle affect occupant response. A finite element model of a vehicle occupant compartment with the state-of-the-art seatback integrated restraint system was used, to evaluate three different simplified Global Human Body Model Consortium (GHBMC) occupant models (small female, midsize and large male) in frontal crashes. A full factorial sensitivity study was performed with four different levels of seatback recline (0, 10, 20, 30 deg) and four different distances to the instrument panel knee bolster resulting in total of 40 simulations. Increasing the seatback recline angle caused the occupants’ pelvis to submarine under the lap belt, which, in turn, resulted in poor pelvis-belt engagement and increased occupant excursion. Larger occupants tended to be able to withstand higher seatback recline angles without submarining than smaller occupants. Additionally, across all occupants, increased recline angle resulted in increased lumbar compression and shear force. The new ADS environment is likely to pose substantial challenges to occupant restraints systems. Increased seatback angle increases the propensity of occupants to submarine, and results in increased lumbar spine load.
Application of Virtual Reality-Cue Exposure Therapy for Reducing Alcohol Craving

During abstinence from alcohol, craving is elicited by the cues and contexts previously associated with alcohol, which contribute to relapse. To prevent the craving and relapse experienced by alcoholics, cue-exposure therapy (CET) has been used to extinguish the association between alcohol and alcohol-related cues and contexts. This study applied CET, using a virtual reality (VR) system, to eight members of an Alcoholics Anonymous group, in eight sessions. Cues and contexts most likely to elicit an urge to drink were selected through a preliminary survey in order to compose VR-CET scenarios: a glass, bottle, food, and a bar were judged to be the most tempting for people in alcohol dependence and abstinence. Using these cues and contexts, a Japanese-style pub and a western bar were created. Each session was administered for 30 minutes by a psychiatrist and included an introduction, immersion, VR navigation, interviews about feelings, and self-report questionnaires about cravings. The eight sessions consisted of initial and closing sessions, and person-, object-, and situation-focused sessions. As a result, a reduction in cue-elicited craving after VR-CET was reported. A mean score of 15.75 (SD = 10.91) on the Alcohol Urge Questionnaire in the first session decreased to 11.57 (SD = 6.88) in the final session. This study suggests that using virtual reality can enhance the efficacy of CET so as to promote craving for alcohol and then to desensitize conditioned reactivity to alcohol.
Selection for Grain Yield in Bread Wheat ( Triticum aestivum L . ) Under Normal and Heat Stress Conditions

The objective of the present work is to study the efficiency of pedigree selection in improving grain yield under normal and late planting dates. Two cycles of selection were completed under each date on the F3 and F4-generations. The F5 selected families under normal and late planting were evaluated under both conditions. The genotypic variance was slightly less than the phenotypic variance under both dates and generally decreased from the base population (F3) to the F5generation. Broad sense heritability estimates for grain yield/plant under normal and heat stress conditions were 81.76 and 75.04% after two cycle's selection, respectively. The realized heritability under normal date was 49.47 and 70.98% compared to 40.90 and 53.92% under heat stress after C1 and C2 respectively. The average observed gain from selection under normal and late planting groups, evaluated under normal planting date showed significant difference in grain yield from the bulk sample by 13.08 and 3.36%, and from the better parent by 25.04 and 15.04%, respectively. Under late planting date, the observed gain showed significant difference (P<0.01) of 6.73 and 7.78%, from the bulk sample and 16.05 and 22.10% from the better parent, respectively. Selection for grain yield under normal planting date evaluated under both dates, increased sensitivity of the selected families, while selection at late planting date, decreased the sensitiv-
A Corpus-Driven Discourse Analysis of Metaphor in Climate Change: A Preliminary Study

This paper calls an attention to the critical analysis of discourse in climate change with special focus on metaphorical language about how it is discussed in the media. The topic is under discussion as climate has been found changing in an extended period making it a complex issue that involves the whole earth and nature. Besides, climate change is seen as results of natural variations and human activities, and therefore it is crucial to be aware of and to find solutions to deal with it. To carry out the study, the data were obtained from British National Corpus and analysed in term of their metaphorical expressions and persuasive effects. By using model of metaphor by Lakoff and Johnson (2003), the way metaphors affect how human think and their central role in the construction of social and political reality is known. As one example of metaphors in climate change, in the expression Climate change could lead to starvation, the movement words such as lead is used to reflect particular ways of thinking about climate change either positive or negative ways.
Postglacial sedimentary regime around northern Sylt , South-eastern North Sea , based on shallow seismic profiles

During the past 5 years the coastal zone offshore the northern part of the island of Sylt, has been investigated by sparker seismics and high-resolution subbottom profiling. The North Sea sector of the area is characterized by northward-directed sediment bypass as a result of strong long-shore (tidal) currents heading towards the Lister Tief. The southern part of Lister Tief is characterized by the presence of a major dune field with up to 8 m high compound dunes with wavelengths up to 350 m indicative of easterly-directed sediment transport (flood dominated). Further to the northwest, in the outer delta, a dune field suggesting westerly-directed sediment transport is identified. The two dune fields appear to be separated by minor indefinite bed forms. The northern part of the Lister Tief is characterised by the presence of a channel with a depth of 20-30 mbsf (meter below sea level) (30-40 msec TWT (Two Way Traveltime)) and displaying erosion towards the north. At the western termination of the channel the sediment transport pathway appears to be divided into two directions; one towards the outer delta, and one towards the sediment depocenter SW of Rømø. The Lister Ley is characterized by the presence of minor dunes, indicative of flood-current control, apart from a central zone where ebb-tide is responsible for northward-directed sediment transport. Sparker seismic and Chirp III data are consistent with processes having been persistent throughout the Holocene. Based on the study a model for the current direction and sedimentation regime is suggested.
Phytoremediation of tannery effluent polluted soils of Dindigul , Tamil Nadu , using Arbuscular mycorrhizal fungi inoculated Azadirachta indica

A survey was undertaken from three different sites of tannery effluent polluted soils of Dindigul and their colonized arbuscularmycorrhizal fungi in the roots of the pla nts commonly grown on three sites, site 1, 2 and 3w ere observed. The root-zone soils of the common plants were colle cted and observed for the occurrence of mycorrhizal fungal spores. There was 21 AM fungi were isolated from th e root-zone soils and Glomusgeosporum was observed as the dominant AM fungi in the tannery effluent polluted soil sites. The percentage of arbuscularmycorrhizal fungi colonized in the roots of the 18 angiosperm plants collected from the polluted area also analyzed. The tannery effluents were collected from the three different s ites, and were analyzed for their physico-chemical parameters and heavy metal composition. The tannery effluents of t he 3 sites were mixed and treated to the experiment al plants with half strength tannery effluent, mixed with water. F or the selection of a suitable experimental plant, 4 plants grown commonly in the tannery effluent polluted sites suc h as Azadirachta indica, Eucalyptus sp. , Tamarindus indica, and Pongamiaglabra were treated half strength tannery e fflu nt and measured for growth parameters. Among t he 4 plants, Azadirachtaindica was selected as the exper imental plant, as it showed the best performance in growth parameters. The experimental plant was inoculated w ith dominant mycorrhizal fungi, G. geosporumfor the effluent treatment. There were 4 treatments given, namely, C ontrol, Effluent, AM fungi, and Effluent + AM fungi . The experimental plants were harvested on 45, 90 day in tervals after the inoculation of AM fungi and were analyzed for heavy metals such as Cd, Cr, Cu Pb and Zn. Among th e effluent treated plants, the plants inoculated wi th AM fungi G. geosporum showed a great influence on restrictio n of heavy metals, especially Cr, from the root to sh ot tissues of the experimental plant was recorded. This study helped to find a suitable host plant for phytoremed iation of tannery effluent polluted soil and we suggest the n ative common host plant A. indica inoculated with G . geosporum, a native dominant AM fungi as a good option for phy toremediation of tannery effluent polluted soils in Dindigul, India.
Numerical Studies of Electromagnetic Flux-compression in θ-pinch Geometry

The paper presents a 2D numerical code, based on filamentary modelling techniques, that has been developed for simulation of the electromagnetic flux-compression process in θ-pinch geometry. Data obtained are compared with measured results from a recent experimental programme. It is shown that use of the code has highlighted various new and important aspects of the electromagnetic implosion technique.
Forget the Myth of the Air Gap: Machine Learning for Reliable Intrusion Detection in SCADA Systems

Since Critical Infrastructures (CIs) use systems and equipment that are separated by long distances, Supervisory Control And Data Acquisition (SCADA) systems are used to monitor their behaviour and to send commands remotely. For a long time, operator of CIs applied the air gap principle, a security strategy that physically isolates the control network from other communication channels. True isolation, however, is di ﬃ cult nowadays due to the massive spread of connectivity: using open protocols and more connectivity opens new network attacks against CIs. To cope with this dilemma, sophisticated security measures are needed to address malicious intrusions, which are steadily increasing in number and variety. However, traditional Intrusion Detection Systems (IDSs) cannot detect attacks that are not already present in their databases. To this end, we assess in this paper Machine Learning (ML) techniques for anomaly detection in SCADA systems using a real data set collected from a gas pipeline system and provided by the Mississippi State University (MSU). The contribution of this paper is two-fold: 1) The evaluation of four techniques for missing data estimation and two techniques for data normalization, 2) The performances of Support Vector Machine (SVM), Random Forest (RF), Bidirectional Long Short Term Memory (BLSTM) are assessed in terms of accuracy, precision, recall and F 1 score for intrusion detection. Two cases are di ﬀ erentiated: binary and categorical classiﬁcations. Our experiments reveal that RF and BLSTM detect intrusions e ﬀ ectively, with an F 1 score of respectively > 99% and > 96%.
Asymmetric Brazilian Phillips Curve : A Quantile Regression Approach

This paper presents an investigation about the asymmetric behavior of the Brazilian Phillips Curve, through the use of quantile regressions. First, our results show changes in slope of the dependent variables along the quantiles of the inflation. In the same direction of the national literature, our OLS and GMM estimates show the dominance of the backward-looking component over expactations. However the quantile model provides additional relevant evidence that this dominance is only sustainable for the lower tail of the current inflation distribution. Furthermore, advancing in the density estimations conditioned to the expansion and recession scenarios, we find differences in the dispersions of the inflation’s conditional distributions and assymetric probabilities of future change in the trajectory of inflation, indicating that the Phillips curve adequately captures the asymmetry of cycles described by DeLong and Summers (1988) and Ball and Mankiw (1994). Key-words: Phillips Curve; Quantile Regression; Asymmetry. JEL Classification: C22; E31; E32. *Department of Economics, Federal University of Jequitinhonha and Mucuri ValleysUFVJM. Ph.D. candidate, Economics, Cedeplar-UFMG. e-mail: michel.souza@ufvjm.edu. br †Department of Economics, Federal University of Minas Gerais Cedeplar-UFMG. ‡Department of Economics, Federal University of Minas Gerais Cedeplar-UFMG.