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A Cooperative Answering Approach to Fuzzy Preferences Queries in Service Discovery

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Date
2011
Dewey
Programmation, logiciels, organisation des données
Sujet
fuzzy preferences; quality of services; service retrieval; Cooperative answering; linguistic quantifiers
Conference name
FQAS 2011
Conference date
2011
Conference city
Ghent
Conference country
Belgique
Book title
Flexible Query Answering Systems
Author
Christiansen, Henning
Publisher
Springer
Year
2011
Pages number
510
ISBN
9783642247637
Book URL
http://dx.doi.org/10.1007/978-3-642-24764-4_28
URI
https://basepub.dauphine.fr/handle/123456789/8871
Collections
  • LAMSADE : Publications
Metadata
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Author
Liétard, Ludovic
Lemos, Fernando
Bouzeghoub, Mokrane
Rocacher, Daniel
Abbaci, Katia
Grigori, Daniela
Hadjali, Allel
Type
Communication / Conférence
Item number of pages
318-329
Abstract (EN)
In this paper, we propose a novel approach for service retrieval that takes into account the service behavior (described as process model) and relies both on preference satisfiability and structural similarity. User query and target process models are represented as annotated graphs, where user preferences on QoS (Quality of Service) attributes (such as response time, availability and throughput) are modelled by means of fuzzy sets. To avoid empty results, a flexible evaluation method based on fuzzy linguistic quantifiers (such as almost all) is introduced. The retrieved results are easily interpreted by the end users thanks to the clear semantics conveyed by that method. Finally, two families of ranking methods are discussed.

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