نتایج جستجو برای: wsc
تعداد نتایج: 455 فیلتر نتایج به سال:
The Winograd Schema Challenge (WSC) is a test of machine intelligence, designed to be an improvement on the Turing test. A Winograd Schema consists of a sentence and a corresponding question. To successfully answer these questions, one requires the use of commonsense knowledge and reasoning. This work focuses on extracting common sense knowledge which can be used to generate answers for the Win...
The QoS-aware web service composition (WSC) problem aims at the fully automatic construction of a composite web service with the optimal accumulated QoS value. It is, however, intractable to solve the QoS-aware WSC problem for large scale instances since the problem corresponds to a global optimisation problem. That is, in the real world, traditional algorithms can require significant amount of...
Acknowledgements: This research was supported by a collaborative NSF grant #2015-0285-00. In within-study comparison (WSC) designs, treatment effects from a non-experimental design, such as an observational study or a regression-discontinuity design, are compared to results obtained from a well-designed randomized control trial (RCT) with the same target population. The goal of the WSC is to as...
Kremen 1 and 2 have been identified as co-receptors for Dickkopf (Dkk) proteins, hallmark secreted antagonists of canonical Wnt signaling. We present here three crystal structures of the ectodomain of human Kremen1 (KRM1ECD) at resolutions between 1.9 and 3.2 Å. KRM1ECD emerges as a rigid molecule with tight interactions stabilizing a triangular arrangement of its Kringle, WSC, and CUB structur...
Environments in which Web service compositions (WSC) operate are often dynamic. We address the problem of which service to query for up-to-date information in order to adapt a hierarchical WSC, given that queries are not free. Previously, the value of changed information (VOC) has been proposed to select those services for querying whose revised non-functional information is expected to bring a...
Web service compositions (WSC), as part of a service-oriented architecture (SOA), have to be managed to ensure compliance with guaranteed service levels. In this context, a high degree of automation is desired, which can be achieved by applying autonomic computing concepts. This paper particularly focuses the autonomic management of semi-dynamic compositions. Here, for each included service sev...
OBJECTIVES Workplace social capital (WSC) has attracted increasing attention as an organizational and psychosocial factor related to worker health. This study aimed to assess the psychometric properties of a newly developed WSC scale for use in work environments, where bonding social capital is important. METHODS We assessed the psychometric properties of a newly developed 6-item scale to mea...
Do Thi Thanh Van, 2006. Some animal and feed factors affecting feed intake, behaviour and performance of small ruminants. Doctor’s dissertation. ISSN 1652-6880, ISBN 91-576-7081-1 The overall objective of this thesis was to assess the effect of some animal and feed factors on feed intake, behaviour and performance of small ruminants. The experiments were carried out at the Goat and Rabbit Resea...
The behavioral description-based Web Service Composition (WSC) problem deals with the automatic construction of a coordinator web service that controls a set of web services to reach the goal states. Despite its importance and implications, however, very few studies exist on the computational complexities of the WSC problem. In this paper, to address this problem, we present four novel theoreti...
We propose a Markov decision process model for solving the Web service composition (WSC) problem. Iterative policy evaluation, value iteration, and policy iteration algorithms are used to experimentally validate our approach, with artificial and real data. The experimental results show the reliability of the model and the methods employed, with policy iteration being the best one in terms of th...
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