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Learning Task Specific Web Services Compositions with Loops and Conditional Branches from Example Executions
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SYSNO ASEP 0359201 Druh ASEP C - Konferenční příspěvek (mezinárodní konf.) Zařazení RIV D - Článek ve sborníku Název Learning Task Specific Web Services Compositions with Loops and Conditional Branches from Example Executions Tvůrce(i) Veeraraghavan, H. (US)
Vaculín, Roman (UIVT-O)
Veloso, M. (US)Zdroj.dok. Web Intelligence and Intelligent Agent Technology. - Los Alamitos : IEEE Computer Society, 2010 / Hoeber O. ; Li Y. ; Huang X.J. - ISBN 978-0-7695-4191-4 Rozsah stran s. 581-588 Poč.str. 8 s. Forma vydání Online - E Akce WI 2010. IEEE/WIC/ACM International Conference on Web Intelligence Datum konání 31.08.2010-03.09.2010 Místo konání Toronto Země CA - Kanada Typ akce WRD Jazyk dok. eng - angličtina Země vyd. US - Spojené státy americké Klíč. slova learning by demonstration ; plan learning ; task specific plan learning ; web services ; workflow learning Vědní obor RIV IN - Informatika CEP GPP202/10/P604 GA ČR - Grantová agentura ČR ME08095 GA MŠMT - Ministerstvo školství, mládeže a tělovýchovy CEZ AV0Z10300504 - UIVT-O (2005-2011) EID SCOPUS 78649830825 DOI 10.1109/WI-IAT.2010.292 Anotace Majority of the existing approaches to service composition, including the widely popular planning based techniques, are not able to automatically compose practical workflows that include complex repetitive behaviors (loops), taking into account possibility of failures and nondeterminism of web service execution results. In this work, we present a learning based approach for composing task specific workflows. We present an approach for learning task specific web service compositions from a very small number of observations (one or more) of example service execution sequences (traces) that solve a given goal. The workflows learned by this approach generalize to the tasks justified by the observed execution trace. The generalization captures the repetitive executions of service sequences, conditional branching executions, and repetitions and branching resulting from failures. We evaluate the approach on a complex web services application involving arbitrary number of repetitive executions and failed executions. Pracoviště Ústav informatiky Kontakt Tereza Šírová, sirova@cs.cas.cz, Tel.: 266 053 800 Rok sběru 2013
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