Miracle-dz/UniFAR-FTUs huggingface dataset:
Using Taxonomic Background Knowledge in Propositionalization and Rule Learning ?

Knowledge representations using semantic web technologies often provide information which translates to explicit term and predicate taxonomies in relational learning. Here we show how to speed up the process of propositionalization of relational data by orders of magnitude, by exploiting such ontologies through a novel refinement operator used in the construction of conjunctive relational features. Moreover, we accelerate the subsequent search conducted by a propositional learning algorithm by providing it with information on feature generality taxonomy, determined from the initial term and predicate taxonomies but also accounting for traditional θ-subsumption between features. This information enables the propositional rule learner to prevent the exploration of useless conjunctions containing a feature together with any of its subsumees and to specialize a rule by replacing a feature by its subsumee. We investigate our approach with a propositionalization algorithm, a deterministic top-down propositional rule learner, and a recently proposed propositional rule learner based on stochastic local search. Experimental results on genomic and engineering data [2] indicate striking runtime improvements of the propositionalization process and the subsequent propositional learning.
Caecal microflora and fermentation pattern in exclusively milk-fed young rabbits.

Thirty-two SPF New Zealand White rabbits of both sexes were used in this experiment. They were sequentially slaughtered at 22, 29, 35 and 42 days of age. The rabbits were only milked by their mother and by foster mothers (no access to solid food) throughout the experiment. They exhibited a caecal fermentation pattern that turned towards a proteolytic metabolic activity (high levels in NH3 and in branched-chain fatty acids and valeric acid: 17 mmol.L-1 and 1 mmol.L-1, on average, respectively). The absence of caecal cellulolytic microflora and the low concentration of the total volatile fatty acids (tVFA) could be explained by the lack of substrate that would have been brought by a solid feed. From day 29 onwards, the low tVFA (12.5 mmol.L-1) and high NH3 concentrations (16.5 mmol.L-1) explained the high pH value (6.8 on average). This could be considered as a pathological value in weaned rabbits, but in our case no clinical signs of diarrhoea were observed. The evolution of the colibacilli flora according to age was similar to that usually described and thus was not correlated with pH, tVFA or cellulolytic flora. The evolution of the colibacilli population (from 10(7) bact/g on day 22 to 10(3) on day 42) seemed dependent on ontogenic factors rather than on the composition of the caecal media (pH, etc.).
Behavior estimation for a complete framework for human motion prediction in crowded environments

In the present work, we propose and validate a complete probabilistic framework for human motion prediction in urban or social environments. Additionally, we formulate a powerful and useful tool: the human motion behavior estimator. Three different basic behaviors have been detected: Aware, Balanced and Unaware. Our approach is based on the Social Force Model (SFM) and the intentionality prediction BHMIP. The main contribution of the present work is to make use of the behavior estimator for formulating a reliable prediction framework of human trajectories under the influence of dynamic crowds, robots, and in general any moving obstacle. Accordingly, we have demonstrated the great performance of our long-term prediction algorithm, in real scenarios, comparing to other prediction methods.
Androgen therapy induces muscle protein anabolism in older women.

CONTEXT Normal healthy men and women undergo a gradual loss of skeletal muscle mass and strength with advancing age. While androgens are protein anabolic in older men, the metabolic effects in older women are poorly understood. OBJECTIVE AND DESIGN The objective of this study was to determine whether oral administration of a synthetic derivative of testosterone [oxandrolone, Oxandrin (OX)] (7.5 mg orally twice daily for 14 d) to five older women (age, 65 +/- 2 yr) would enhance skeletal muscle anabolic biomarkers including mixed muscle fractional synthetic rate (FSR), net phenylalanine balance, androgen receptor, and IGF-I protein expression at d 0, 5, and 14 of treatment. As a positive control, seven older men were examined after 14 d of OX (10 mg orally twice daily). SETTING The study was performed at the General Clinical Research Center. RESULTS Fourteen days of OX significantly increased skeletal muscle FSR in older women (d 0, 0.073 +/- 0.006 vs. d 5, 0.092 +/- 0.006 vs. d 14, 0.115 +/- 0.007%/h) (P < 0.05, d 0 vs. d 14). Conversely, OX stimulated FSR in older men after only 5 d (d 0, 0.061 +/- 0.003 vs. d 5, 0.101 +/- 0.01 vs. d 14, 0.084 +/- 0.01%/h) (P < 0.05, d 0 vs. d 5). Androgen receptor expression was significantly increased in older men by d 14, but had not increased in older women. No change was noted in IGF-I expression in either group. We conclude that the skeletal muscle of older women and men responds to androgen administration, although the time course of anabolism appears to be gender specific.
Reduced Warburg Effect in Cancer Cells Undergoing Autophagy: Steady- State 1H-MRS and Real-Time Hyperpolarized 13C-MRS Studies

Autophagy is a highly regulated, energy dependent cellular process where proteins, organelles and cytoplasm are sequestered in autophagosomes and digested to sustain cellular homeostasis. We hypothesized that during autophagy induced in cancer cells by i) starvation through serum and amino acid deprivation or ii) treatment with PI-103, a class I PI3K/mTOR inhibitor, glycolytic metabolism would be affected, reducing flux to lactate, and that this effect may be reversible. We probed metabolism during autophagy in colorectal HT29 and HCT116 Bax knock-out cells using hyperpolarized 13C-magnetic resonance spectroscopy (MRS) and steady-state 1H-MRS. 24 hr PI103-treatment or starvation caused significant reduction in the apparent forward rate constant (kPL) for pyruvate to lactate exchange compared with controls in HT29 (100 μM PI-103: 82%, p = 0.05) and HCT116 Bax-ko cells (10 μM PI-103: 53%, p = 0.05; 20 μM PI-103: 42%, p<0.0001; starvation: 52%, p<0.001), associated with reduced lactate excretion and intracellular lactate in all cases, and unchanged lactate dehydrogenase (LDH) activity and increased NAD+/NADH ratio following PI103 treatment or decreased LDH activity and unchanged NAD+/NADH ratio following starvation. After 48 hr recovery from PI103 treatment, kPL remained below control levels in HT29 cells (74%, p = 0.02), and increased above treated values, but remained below 24 hr vehicle-treated control levels in HCT116 Bax-ko cells (65%, p = 0.004) both were accompanied by sustained reduction in lactate excretion, recovery of NAD+/NADH ratio and intracellular lactate. Following recovery from starvation, kPL was significantly higher than 24 hr vehicle-treated controls (140%, p = 0.05), associated with increased LDH activity and total cellular NAD(H). Changes in kPL and cellular and excreted lactate provided measureable indicators of the major metabolic processes accompanying starvation- and drug-induced autophagy. The changes are reversible, returning towards and exceeding control values on cellular recovery, which potentially identifies resistance. kPL (hyperpolarized 13C-MRS) and lactate (1H-MRS) provide useful biomarkers for the autophagic process, enabling non-invasive monitoring of the Warburg effect.
Lithuanian Eastern Policy 2004–2014: The Role Theory Approach

The article seeks to analyse Lithuanian Eastern policy in the period of 2004–2014. As role theory is used as a theoretical approach, the decade is divided into two parts in accordance to presidential terms: 2004–2009, the second term of Valdas Adamkus and 2009–2014, the first term of Dalia Grybauskaitė. This article aims to identify both the main characteristics of Adamkus and Grybauskaitė by analysing their personal national role conceptions on Lithuanian Eastern policy and by seeking the dynamic of change that depends on other role theory dimensions – structural factors and actual role performance.
Adaptive Bayesian network for traffic flow prediction

Traffic control is essential for the achievement of a sustainable and safe mobility. Monitoring systems for traffic control collect a great amount of data that must be efficiently processed by estimation/prevision models to support operations of traffic management. In this paper we investigate a statistical method for traffic flow forecasting based on graphical modeling of the spatial-temporal evolution of flows. We propose an adaptive Bayesian network in which the network topology changes following the non-stationary characteristics of traffic. Two major stationary areas are recognized as principal phases of traffic flows. Graph optimization is implemented for each phase using mutual information as learning metric. Experimental tests on data provided by the PeMS project in the area of Los Angeles showed that the proposed method can reliably predict traffic dynamics.
Wi-Fi Channel Selection Based on Urban Interference Measurement

Increasing availability and usability enhancement of Wi-Fi in public areas has become more active. However, due to the dense deployment of Wi-Fi access points (APs), there is a chaotic and disorderly environment in urban areas. In our previous work, we have designed a function that predicts the network performance at each Wi-Fi AP according to the measurement of IEEE802.11 MAC frames sensed in each Wi-Fi channel. However, it was not examined in such scenarios assuming urban environment. We should understand the situations of current Wi-Fi AP deployment and traffic conditions, and should confirm the effectiveness of channel migration in such realistic environment. In this study, we proposed urban Wi-Fi channel utilization model based on real urban Wi-Fi measurement. We show that our method can predict the best channels and APs can migrate to them in the urban scenario.
Nilai-Nilai Pendidikan Melalui Kisah Dalam Al-Qur’ān

This study aimes to describe the stories in the Qur'an.Studyingit is in many things and so interesting. The wisdom behind these stories are full of educational value and can serve as guidelines for all education professionals, especially teachers at primary school level (SD). The lessons learned from the stories are highly relevant to children of primary school age (SD), so this study will briefly discuss the stories in the Qur'an, especially the story of the prophet Abraham, Joseph, Moses and Muhammad then analyzesthem and it can be obtained educational value.In a series of stories of the Quran contain instructive for human life as well as the methods of learning taught in an educational process.With the hope through learning the stories,it may be implicated in changes in student behavior, such as: strong motivation to move forward, raised awareness to carry out orders of religion, havinga good social attitude, being a good positive- thinking individual to God and to men, being critically, innovative, creative, realistic and logical
A unified model for current-programmed converters

A unified model is established for a current-programmed power converter, which is both a modification and an extension of familiar models. Inclusion of the sampling effect allows the presence of an additional pole /spl omega//sub p/ in the current-loop gain to be derived. The resulting final double-slope asymptote is fixed in position, and the crossover frequency cannot exceed half the switching frequency. A stability parameter, Q/sub s/, determines the additional pole and describes the degree of peaking in the closed-loop transfer function. Experimental verification employs an analog signal injection technique. >
Telpack: an Advanced Teletraac Analysis Package

A large class of teletraac models can be analyzed through solving M/G/1 or G/M/1 type Markov chains. A simple but not restrictive rational structure assumption for such chains allows the use of an invariant subspace approach in this analysis. Recent publications have discussed the various advantages of this approach as compared to traditional methods. We have developed the teletraac analysis software package TEL-PACK which primarily relies on the matrix sign function realization of the invariant subspace approach. TELPACK also ooers some other well-known methods including traditional matrix-analytic ones. In this paper, we introduce and discuss TELPACK which is implemented in C using a subset of CLAPACK library. We also provide a brief review of the underlying theory with examples demonstrating the natural rational structure arising in some practical teletraac models.
Star Formation Signatures in the Condensation Downstream of HH 80N

HH 80 North (hereafter HH 80N) is one of the Herbig-Haro objects associated with quiescent dense clumps. We report CO and CS BIMA observations that reveal star formation within the HH 80N dense clump. The CO emission clearly reveals a bipolar molecular outflow centered on the dense clump. The CS emission traces a ringlike structure of radius ≃0.24 pc. The CS kinematics shows that the ring is collapsing with an infall speed of ~0.6 km s-1. The required mass to produce the collapse is in agreement with previous ammonia observations of the 20 M☉ core, which is embedded within the CS structure. However, we cannot discard that the ring structure, driven by protostellar winds, is expanding if the CS abundance is unusually high and if the CO momentum rate is much higher than that measured because of inclination and optical depth effects. The properties of the molecular outflow and of the dense core suggest that it harbors a Class 0 object. There are also signatures of the interaction of the HH 80/81/80N outflow with the dense gas. In particular, it is possible that the HH 80/81/80N outflow has triggered or at least sped up the star formation in this region.
Effects of emotions, sex, self-control, and public self-consciousness on Black Friday misbehavior

Abstract Addressing the growing adoption of Black Friday (BF) promotions and related BF misbehavior in the US and elsewhere, we examined the mechanism by which emotions, self-control, and public self-consciousness impact BF consumer misbehavior. We also investigated to what extent women and men differ with regard to how these variables affect misbehavior on BF. Student participants were former in-store BF shoppers (n = 411) who completed an online questionnaire. Emotions evoked via scenarios simulating realistic BF shopping situations affected the likelihood of engaging in BF misbehavior for both men and women. Both negative emotion (anger) and positive emotion (thrill) increased the likelihood of misbehaving on BF. There were sex differences in how self-control and public self-consciousness impacted BF misbehavior. For men, self-control had both a direct and moderating effect on the likelihood of BF misbehavior, but it had no impact on women. Self-control reduced men’s likelihood of misbehavior despite anger aroused on BF. For women, public self-consciousness moderated how anger affected misbehavior likelihood, but not for men. Findings offer new insights into factors fueling and inhibiting potential misbehavior on BF.
Reversible blockage of membrane retrieval and endocytosis in the garland cell of the temperature-sensitive mutant of Drosophila melanogaster, shibirets1

Temperature-induced structural changes in the cortical region of the garland cell, which is considered to be active in endocytosis, were investigated in a temperature-sensitive, single gene mutant of Drosophila melanogaster, shibirets1 (shi) and wild-type (Oregon-R). At 19 degrees C, both shi and wild type showed similar structural features: an irregularly extended network of labyrinthine channels, coated pits and vesicles, tubular elements and alpha vacuoles. Tannic acid (TA) impregnation showed that coated pits comprised approximately 20-25% of the total coated profiles at 19 degrees C in both shi and wild-type. When flies were incubated in a horseradish peroxidase (HRP) solution for 5 min, organelles such as coated profiles, tubular elements, and alpha vacuoles were labeled. In wild-type at 30 degrees C, minor changes were observed--mainly a decrease in the distribution of the labyrinthine channels and an increase in HRP uptake. On the other hand, in shi at 30 degrees C, the labyrinthine channels were much elongated and their network became far more complex, indicating the expansion of the surface area of the cell. Also, the coated profiles were increased in number while the number of tubular elements was decreased considerably. The TA method showed that almost all of the coated profiles were coated pits, coated vesicles being almost completely absent at 30 degrees C in shi. Furthermore, HRP uptake activity was considerably decreased at 30 degrees C. These structural changes, as well as the reduced HRP uptake activity, were reversible when the temperature was lowered to 19 degrees C. The observations suggest that in the garland cell of shi the conversion of coated pits to coated vesicles, that is, membrane pinch-off, is blocked at high temperature.
Using clustering for effective management of a semantic cache in mobile computing

Semantic caching is particularly attractive for use in a mobile computing environment due to its content-based reasoning ability tid the fact that only the required data (as opposed to a file or pages of data) is transmitted over the wireless link. In this paper we propose a cluster based approach to manage a semantic cache, aiming at examining and further making use of the semantic locality among queries in a workload. Cache replacement performance using this technique is shown to outperform that of an LRU scheme where only temporal locality is considered.
Impact of the RNA chaperone Hfq on multidrug resistance in Escherichia coli.

OBJECTIVES Hfq is a bacterial RNA chaperone involved in the post-transcriptional regulation of many stress-inducible genes via small non-coding RNAs. Although Hfq is related to important phenotypes including virulence in many bacterial pathogens, its role in drug resistance is unknown. The aim of this study was to investigate the role of Hfq in bacterial multidrug resistance. METHODS The hfq gene was inactivated in Escherichia coli by use of pKO3, which is a gene replacement vector. The drug susceptibility and drug accumulation of the hfq mutant were determined. The level of production of the AcrB multidrug efflux pump in this mutant was also measured. RESULTS The hfq mutant was susceptible to acriflavine, benzalkonium, cefamandole, chloramphenicol, Crystal Violet, nalidixic acid, novobiocin, oxacillin and rhodamine 6G. E. coli cells were strongly stained with rhodamine 6G compared with the wild-type on deletion of hfq, indicating that Hfq affects the accumulation of the drug in bacterial cells. The deletion of the drug efflux gene acrB impairs the effect of hfq deletion on E. coli susceptibility. Furthermore, the level of AcrB protein production was reduced in the hfq mutant, whereas hfq deletion did not affect the promoter activity of the acrAB operon. CONCLUSIONS These results indicate that Hfq regulates the drug efflux system at the post-transcriptional level and reveals the previously uncharacterized role of Hfq in bacterial multidrug resistance.
Decomposition in Conic Optimization with Partially Separable Structure

Decomposition techniques for linear programming are difficult to extend to conic op- timization problems with general nonpolyhedral convex cones because the conic inequalities introduce an additional nonlinear coupling between the variables. However in many applications the convex cones have a partially separable structure that allows them to be characterized in terms of simpler lower-dimensional cones. The most important example is sparse semidefinite programming with a chordal sparsity pattern. Here partial separability derives from the clique decomposition theorems that characterize positive semidefinite and positive-semidefinite-completable matrices with chordal sparsity patterns. The paper describes a decomposition method that exploits partial separability in conic linear optimization. The method is based on Spingarn's method for equality constrained convex optimization, combined with a fast interior-point method for evaluating proximal operators.
Correction of shading effects in vision-based UUV localization

This paper describes the improvements achieved in our mosaicking system to assist unmanned underwater vehicle navigation. A major advance has been attained in the processing of images of the ocean floor when light absorption effects are evident. Due to the absorption of natural light, underwater vehicles often require artificial light sources attached to them to provide the adequate illumination for processing underwater images. Unfortunately, these flashlights tend to illuminate the scene in a nonuniform fashion. In this paper a technique to correct non-uniform lighting is proposed. The acquired frames are compensated through a point-by-point division of the image by an estimation of the illumination field. Then, the gray-levels of the obtained image remapped to enhance image contrast. Experiments with real images are presented.
A new mechanism for improving robustness of TCP against pulsing denial-of-service attacks

In this paper, we propose a new mechanism to combat pulsing Denial-of-Service (DoS) attacks. Pulsing DoS attacks can seriously degrade the throughput of legitimate TCP flows in a stealthy manner. The attacker send periodic short bursts of traffic (i.e. pulses) to cause packet losses of TCP flows. For improving robustness of TCP against the attacks, we propose to use adaptive bandwidth estimation mechanism in TCP congestion control process. The performance of the proposed method is evaluated through simulations, and is compared with the other TCP variants. From the simulation results, we verified that the proposed method can effectively mitigate the effect of pulsing DoS attacks.
Keefektifan pendekatan cognitive behavior modification untuk meningkatkan kemampuan mengelola marah bagi remaja

The study aims to test the effectiveness of Cognitive Behavior Modification (CBM) to improving the anger management skill among adolescents. Graphically, the result of the study shows skill improvement among the adolescents in terms of identification and recognition of anger components such as anger triggering situation, anger emotions, thought, physical reaction, and behavior. Moreover, from qualitative analysis, the result shows the skill improvement in transforming internal dialogue that leads to the reduction of anger intensity among adolescents.
Robust forceps tracking using online calibration of hand-eye coordination for microsurgical robotic system

Advanced robotic assistance in microsurgery, such as automation, requires an accurate estimation of the state of the robotic forceps. In this paper, we propose a robust and accurate forceps tracking method to estimate the full state of the forceps (i.e., the position, posture, and grip parameters) using visual information obtained from stereo microscopic images and kinematic information obtained from the robotic sensory information, forward kinematics, and hand-eye coordination. An online method for updating the hand-eye coordination was also developed using an extended Kalman filter to cancel the hand-eye coordination errors caused by the repositioning of the microscope. The experimental results showed that the proposed method could accurately and robustly estimate the state of the robotic forceps even after the repositioning of the microscope.