Miracle-dz/UniFAR-FTUs huggingface dataset:
Affecting Factors of Knowledge Sharing on CRM: An Empirical Investigation Using Structural Equation Modeling

This study investigates the possible relationship between Knowledge Sharing (KS) strategies and CRM value strategies, where knowledge sharing dimensions i.e.,leadership, trust and care, concept ba, knowledge culture and ergonomics roleaffected on CRM value strategies-operational excellence, innovation process and customer intimacy-. It hypothesized a direct positive relationship between KS and CRM. Items representing the KS and CRM were developed from the findings of a wide review of literature that encouraging utilizes KS on CRM. To test this model we develop and validate a data collection instrument to capture the appropriate data, and then use SEM to examine the assertions of the model and suggest additional significant relationships among the factors of their model. The main findings suggested that companies under study should focus on and pay attention more to knowledge from customer to harvest CRM value.
Exposing Privacy Obligation Policies in Social Networking Sites

Increasingly, web-based applications are created through thecomposition of multiple functional components provided bydifferent institutions. These so called ''mash-ups'' are an effectivemeans to rapidly develop new applications. However,when these mash-ups are embedded within social networkingsites that aggregate and expose personal data, such as Facebook,MySpace, or LinkedIn, serious privacy issues arise becausepersonal data can be transmitted outside the applicationshosting institution. In this paper, we describe an initial architecture and implementation to address these privacy concernsthrough the exposure of privacy obligation policies to the user using a workflow-based representation of mash-ups.
The Ethnographic Interview

Part I. Ethnographic Research: Ethnography and Culture. Language and Field Work. Informants. Part II. The Developmental Research Sequences: Locating an Informant. Interviewing an Informant. Making an Ethnographic Record. Asking Descriptive Questions. Analyzing Ethnographic Interviews. Making a Domain Analysis. Asking Structural Questions. Making a Taxonomic Analysis. Asking Contrast Questions. Making a Componential Analysis. Discovering Cultural Themes. Writing an Ethnography. Notes. Appendices: A Taxonomy of Ethnographic Questions. Developmental Research Sequence Writing Tasks. The Development Research Sequence Method. Bibliography. Index.
A FAMILY OF VARIABLE STEP-SIZE NORMALIZED SUB-BAND ADAPTIVE FILTER ALGORITHMS USING STATISTICS OF SYSTEM IMPULSE RESPONSE

This paper presents a new Variable Step-Size Normalized Subband Adaptive Filter (VSS-NSAF) algorithm. The proposed algorithm uses the prior knowledge of the system impulse response statistics and the optimal step-size vector is obtained by minimizing the Mean-Square Deviation (MSD). In comparison with NSAF, the VSS-NSAF algorithm has faster convergence speed and lower MSD. To reduce the computational complexity of VSS-NSAF, the VSS Selective Partial Update NSAF (VSS-SPU-NSAF) is proposed where the filter coefficients are partially updated in each subband at every iteration. We demonstrated the good performance of the proposed algorithms in convergence speed and steady-state MSD for a system identification set-up.
On the synchronization of co-located IEEE 802.15.4 networks for IoT applications

With the coming wide-spread deployment of Internet of Things (IoT) applications, particularly robustness of the wireless transmissions becomes an issue. We focus on the IEEE 802.15. 4 MAC protocol, which has been widely adopted for a variety of Wireless Personal Area Network (WPAN) applications. IEEE 802.15. 4 defines a node synchronization strategy using beacons for achieving robust and real-time capable low energy communication within the WPAN. However, problems arise when there are many co-located networks within the same transmission area. This problem has been identified in the literature considering the many possible configuration options for the protocols' superframe structure. In this paper, we propose a novel scheme that enables WPANs to overhear beacon information from neighboring networks in order to mitigate interference by adjusting the beacon transmission time. We analyzed the scheme in an extensive set of simulations and can confirm its ability to overcome a majority of the collision-prone situations.
Geometric surrogate-based optimisation for permutation-based problems

In continuous optimisation, surrogate models (SMs) are used when tackling real-world problems whose candidate solutions are expensive to evaluate. In previous work, we showed that a type of SMs - radial basis function networks (RBFNs) - can be rigorously generalised to encompass combinatorial spaces based in principle on any arbitrarily complex underlying solution representation by extending their natural geometric interpretation from continuous to general metric spaces. This direct approach to representations does not require a vector encoding of solutions, and allows us to use SMs with the most natural representation for the problem at hand. In this work, we apply this framework to combinatorial problems using the permutation representation and report experimental results on the quadratic assignment problem.
Extremal Optimization of Graph Partitioning at the Percolation Threshold

The benefits of a recently proposed method to approximate hard optimization problems are demonstrated on the graph partitioning problem. The performance of this new method, called extremal optimization (EO), is compared with simulated annealing (SA) in extensive numerical simulations. While generally a complex (NP-hard) problem, the optimization of the graph partitions is particularly difficult for sparse graphs with average connectivities near the percolation threshold. At this threshold, the relative error of SA for large graphs is found to diverge relative to EO at equalized runtime. On the other hand, EO, based on the extremal dynamics of self-organized critical systems, reproduces known results about optimal partitions at this critical point quite well.
Automatic Discovery and Patching of Buffer and Integer Overflow Errors

We present Targeted Automatic Patching (TAP), an automatic buffer and integer overflow discovery and patching system. Starting with an application and a seed input that the application processes correctly, TAP dynamically analyzes the execution of the application to locate target memory allocation sites and statements that access dynamically or statically allocated blocks of memory. It then uses targeted errordiscovery techniques to automatically generate inputs that trigger integer and/or buffer overflows at the target sites. When it discovers a buffer or integer overflow error, TAP automatically matches and applies patch templates to generate patches that eliminate the error. Our experimental results show that TAP successfully discovers and patches two buffer and six integer overflow errors in six real-world applications.
Effect of Amino Acid Polymorphisms of House Dust Mite Der p 2 Variants on Allergic Sensitization

Purpose The sequence variations of the Der p 2 allergen of Dermatophagoides pteronyssinus diverge along 2 pathways with particular amino acid substitutions at positions 40,47,111, and 114. The environmental prevalence and IgE binding to Der p 2 variants differ among regions. To compare IgE binding to Der p 2 variants between sera from Bangkok, Thailand and Perth, Western Australia with different variants and to determine the variant-specificity of antibodies induced by vaccination with recombinant variants. Methods The structures of recombinant variants produced in yeast were compared by circular dichroism and 1-anilinonaphthalene 8-sulfonic acid staining of their lipid-binding cavity. Sera from subjects in Bangkok and Perth where different variants are found were compared by the affinity (IC50) of IgE cross-reactivity to different variants and by direct IgE binding. Mice were immunized with the variants Der p 2.0101 and Der p 2.0110, and their IgG binding to Der p 2.0103, 2.0104, and 2.0109 was measured. Results The secondary structures of the recombinant variants resembled the natural allergen but with differences in ANS binding. The IC50 of Der p 2.0101 required 7-fold higher concentrations to inhibit IgE binding to the high-IgE-binding Der p 2.0104 than for homologous inhibition in sera from Bangkok where it is absent, while in sera from Perth that have both variants the IC50 was the same and low. Reciprocal results were obtained for Der p 2.0110 not found in Perth. Direct binding revealed that Der p 2.0104 was best for detecting IgE in both regions, followed by Der p 2.0101 with binding to other variants showing larger differences. Mouse anti-Der p 2.0101 antibodies had a high affinity of cross-reactivity but bound poorly to other variants. Conclusions The affinity of IgE antibody cross-reactivity, the direct IgE binding, and the specificities of antibodies induced by vaccination show that measures of allergic sensitization and therapeutic strategies could be optimized with knowledge of Der p 2 variants.
Are Unhygienic Practices During the Menstrual, Partum and Postpartum Periods Risk Factors for Secondary Infertility?

This study was aimed at identifying practices during the menstrual, partum and postpartum periods posing possible risk factors contributing towards secondary infertility in women of a selected population in Karachi, Pakistan. A matched case-control study was conducted from April 2003 to March 2004. Four hundred cases were selected from five infertility clinics affiliated with tertiary-care hospitals, and 400 age-matched controls were recruited from the neighbourhood of each case. After taking written consents, trained interviewers conducted interviews using a pretested structured questionnaire. Factors found to be independently associated with secondary infertility were: previous delivery at an unclean place (adjusted odds ratio [AOR]=1.7, 95% confidence interval [CI] 1.1-2.6), delivery by a birth attendant without washing hands with soap (AOR=4.2, 95% CI 2.36-7.47), use of unclean material for absorption of lochia (AOR=3.1, 95% CI 1.5-6.5), non-washing of perineal area after urination/defaecation (AOR=7.1, 95% CI 1.4-35.7), and insertion of home-made vaginal medications (AOR=2.5, 95% CI 1.3-4.7). Since these factors are preventable/modifiable to a great extent, public-health interventions are, thus, recommended to address these risk factors at various levels.
Treatment of Antisocial Behavior in Children and Adolescents

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An ultrasensitive enzymatic method for measuring mevalonic acid in serum

We have developed a simple, precise, and ultrasensitive enzymatic method for measuring serum mevalonic acid (MVA) concentration, which is thought to be a good indicator of the in vivo cholesterol biosynthesis rate. This assay is based on an enzyme cycling reaction and makes use of HMG-CoA reductase (HMGR), thio-NAD, NADH, and CoA. MVA participates in the HMGR cycling reaction, and its level is measured based on the production of thio-NADH, which is determined from the change in absorbance at 405 nm. To achieve high specificity, we used mevalonate kinase (MVK) in addition to HMGR. Only substrates able to participate in both the HMGR cycling reaction and the MVK reaction are measured as MVA. The detection limit for MVA is 0.4 ng/ml (2.7 nmol/l), and the calibration curve for MVA is linear up to 44 ng/ml (300 nmol/l). Regression analysis with 40 serum samples showed the accuracy of quantifying MVA with this enzymatic assay to be comparable to that using LC-MS/MS (correlation: y = 0.83x + 0.24; r = 0.97). This procedure is simple, precise, and robust. It is also rapid and has a high throughput, making it potentially useful for clinical applications.
Teknik Role Playing dalam Meningkatkan Keterampilan Komunikasi Interpersonal Siswa SMK

Penelitian ini bertujuan untuk mengetahui keefektifan pelatihan teknik role playing da-lam meningkatkan keterampilan komunikasi interpersonal siswa SMK. Penelitian ini menggunakan rancangan eksperimen one-group pretest-postest dengan subjek 6 orang siswa kelas X SMK N 1 Se-ririt Jurusan Akomodasi Perhotelan yang teridentifikasi sebagai siswa yang memiliki keterampilan komunikasi interpersonal rendah. Instrumen yang digunakan yaitu skala keterampilan komunikasi interpersonal dan instrumen untuk bahan perlakuan berupa buku panduan pelatihan. Hasil penelitian menunjukan bahwa ada perbedaan tingkat keterampilan komunikasi interpersonal siswa sebelum dan sesudah mendapatkan intervensi pelatihan teknik role playing yang dianalisis dengan menggu-nakan uji statistic Wilcoxon . Intervensi pelatihan teknik role playing dapat meningkatkan keteram-pilan komunikasi interpersonal siswa SMK Jurusan Akomodasi Perhotelan. Kata-kata Kunci: keterampilan komunikasi interpersonal, role playing , life skill
Mobile gene silencing in Arabidopsis is regulated by hydrogen peroxide

In plants and nematodes, RNAi can spread from cells from which it is initiated to other cells in the organism. The underlying mechanism controlling the mobility of RNAi signals is not known, especially in the case of plants. A genetic screen designed to recover plants impaired in the movement but not the production or effectiveness of the RNAi signal identified RCI3, which encodes a hydrogen peroxide (H2O2)-producing type III peroxidase, as a key regulator of silencing mobility in Arabidopsis thaliana. Silencing initiated in the roots of rci3 plants failed to spread into leaf tissue or floral tissue. Application of exogenous H2O2 reinstated the spread in rci3 plants and accelerated it in wild-type plants. The addition of catalase or MnO2, which breaks down H2O2, slowed the spread of silencing in wild-type plants. We propose that endogenous H2O2, under the control of peroxidases, regulates the spread of gene silencing by altering plasmodesmata permeability through remodelling of local cell wall structure, and may play a role in regulating systemic viral defence.
How Do You See Me? The Neural Basis of Motivated Meta-perception

We cannot see the minds of others, yet people often spontaneously interpret how they are viewed by other people (i.e., meta-perceptions) and often in a self-flattering manner. Very little is known about the neural associations of meta-perceptions, but a likely candidate is the ventromedial pFC (VMPFC). VMPFC has been associated with both self- and other-perception as well as motivated self-perception. Does this function extend to meta-perceptions? The current study examined neural activity while participants made meta-perceptive interpretations in various social scenarios. A drift-diffusion model was used to test whether the VMPFC is associated with two processes involved in interpreting meta-perceptions in a self-flattering manner: the extent to which the interpretation process involves the preferential accumulation of evidence in favor of a self-flattering interpretation versus the extent to which the interpretation process begins with an expectation that favors a self-flattering outcome. Increased VMPFC activity was associated with the extent to which people preferentially accumulate information when interpreting meta-perceptions under ambiguous conditions and marginally associated with self-flattering meta-perceptions. Together, the present findings illuminate the neural underpinnings of a social cognitive process that has received little attention to date: how we make meaning of others' minds when we think those minds are pointed at us.
Origin and dynamics of mesoscale eddies in the Catalan Sea (NW Mediterranean): Insight from a numerical model study

Past observations and satellite sea surface temperature imagery indicate the presence of mesoscale anticyclonic eddies drifting along the Catalan coast. In September 2001 one of these anticyclonic eddies was surveyed over the shelf break during an oceanographic cruise which permitted the 3-D description of its structure. In this work we investigate the origin and dynamics of such "Catalan eddies" using a numerical circulation model of the northwest Mediterranean at 3 km resolution driven by high-resolution atmospheric analyses and compare model eddies with the observations in the Catalan Sea. We identify two zones of eddy formation in the Gulf of Lions, in front of the city of Marseille and at the southeast of coast of Roussillon, from which anticyclonic eddies are observed to drift toward the Catalan Sea. The hydrology and dynamics of the structures observed in the simulations are characterized. Sensitivity experiments and energy analysis are performed which allow us to identify the mechanisms associated with their generation. Properties of the eddy observed during the 2001 cruise at the Catalan shelf break are found to compare well with model eddies generated at the southeast of the Roussillon coast. The model relates the origin of these eddies to the separation of the coastal current downstream from Creus Cape: flow separation is linked to intense downwelling taking place in front of the Roussillon coast when strong northwesterly winds events occur.
Relationships Among Performance Measures for Medicare Managed Care Plans

The Health Care Financing Administration (HCFA) has relied primarily on the Health Employer Data Information Set (HEDIS®), the Consumer Assessment of Health Plans Study (CAHPS®), and the Medicare Health Outcomes Survey (HOS) to track health plan performance. However, many relationships among these measures are unknown. We found significant relationships between four HEDIS® measures and many items in the CAHPS® measure as well as items in HOS concerning beneficiary general health ratings. Our study suggests that interpretation of performance data is improved by integrating access, effectiveness of care, beneficiary experience, health status, and risk measures into an analytic framework.
Invited: The case for Embedded Scalable Platforms

Heterogeneous system-on-chip (SoC) architectures are emerging as a fundamental computing platform across a variety of domains, from mobile to cloud computing. Heterogeneity, however, increases design complexity in terms of hardware-software interactions, access to shared resources, and diminished regularity of the design. Embedded Scalable Platforms are a novel approach to SoC design and programming that addresses these design-complexity challenges by combining an architecture and a methodology. The flexible socketed architecture simplifies the integration of heterogeneous components by balancing regularity and specialization. The companion methodology raises the level of abstraction to system-level design, thus promoting closer collaboration among software programmers and hardware engineers. The architecture is supported by a scalable communication infrastructure. The methodology leverages compositional design-space exploration with high-level synthesis. The case for Embedded Scalable Platforms is made based on experiments on the development of various full-system prototypes and experience in teaching these concepts in a new graduate course.
Assessment of sit-to-stand movement in nonspecific low back pain: a comparison study for psychometric properties of field-based and laboratory-based methods

One of the most difficult tasks associated with the management of nonspecific low back pain (LBP) is its clinical assessment. Objective functional methods have been developed for assessment. However, few studies have used daily activities such as sit-to-stand (STS). The aim was to compare the psychometric properties of two commonly used STS assessment methods. A test–retest reliability study design was used. Participants with nonspecific LBP performed the 30-s chair stand test (30CST) and the STS test in Balance Master, which measures weight transfer, rising index and centre of gravity sway velocity. The same tests were reperformed after 48–72 h. The intraclass correlation coefficient (ICC), standard error of measurement (SEM), minimal detectable change and coefficient of variation were calculated to compare the reliability. The correlations between the tests, the Oswestry Disability Index and pain intensity were examined for validation. The 30CST had very high intrarater reliability (ICC=0.94). The variables of STS test in Balance Master had moderate intrarater reliability (ICC=0.62–0.69). There were significant correlations between the 30CST, Oswestry Disability Index and pain intensity at activity (P<0.01). The rising index was the only one variable that was significantly correlated with pain intensity at activity (P<0.05). The 30CST as the field-based method to measure STS movement was better than the laboratory-based method in terms of their psychometric properties. Moreover, the 30CST was associated with disability and pain related to LBP. The 30CST is a simple, cheap, less time consuming and psychometrically appropriate method to use in individuals with nonspecific LBP.
Optimizing multiple continuous queries

Emerging data stream processing applications present new challenges that are not addressed by traditional DBMS technologies. To provide practical solutions for matching highly dynamic data streams with multiple long-lived and dynamically-updated continuous queries, a stream processing system should support incremental evaluation over new data, query optimization for continuous queries including computation sharing among multiple queries. This thesis addresses these problems, presents the solutions in a prototype called AR= GUS, and conducts experimental evaluations on the implemented techniques. Incremental query evaluation is realized by a set of algorithms based on materializing intermediate results to incrementally evaluate selections/joins (Rete), aggregates (incremental aggregation), and set operators (incremental set operations). The query optimization techniques include transitivity inference to derive highly selective predicates, conditional materialization to selectively materialize intermediate results, join order optimization to reduce join computations, and minimum column projection to project only necessary columns. Computation sharing is realized by an incremental multiple query optimization (IMQO) approach for tractable plan construction and dynamic query registration. It applies four steps to register a new query Q, recording existing query computations of the multi-query plan R, searching common computations between Q and R, selecting optimal sharing paths, and adding new computations to obtain final results for Q and R. The thesis presents a comprehensive computation indexing and searching scheme, and presents several sharing strategies. Finally, the evaluations on two data sets show that each technique leads to significant improvement in system performance up to hundreds-fold speed-up. ARGUS is implemented atop a widely used commercial DBMS Oracle to allow fast deployment of the prototype as a value-added package to existing database applications where requirements of stream processing are growing rapidly in both scale and diversity. Future work includes supporting adaptive query processing, supporting distributive and parallel computing, and execution optimization.