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Selecting and Ranking Business Processes with Preferences: An Approach Based on Fuzzy Sets

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Date
2011
Notes
in Collection Lecture Notes in Computer Science, 2011, Volume 7044/2011
Dewey
Principes généraux des mathématiques
Sujet
linguistic quantifier; fuzzy set theory; preferences; quality of services; web service retrieval
Conference name
OTM 2011
Conference date
2011
Conference city
Hersonissos
Conference country
Grèce
Book title
On the move to meaningful internet systems: OTM 2011
Author
Meersman, Robert
Publisher
Springer
Year
2011
Pages number
430
ISBN
978-3-642-25108-5
Book URL
http://dx.doi.org/10.1007/978-3-642-25109-2_4
URI
https://basepub.dauphine.fr/handle/123456789/8868
Collections
  • LAMSADE : Publications
Metadata
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Author
Hadjali, Allel
Grigori, Daniela
Abbaci, Katia
Lemos, Fernando
Liétard, Ludovic
Rocacher, Daniel
Bouzeghoub, Mokrane
Type
Communication / Conférence
Item number of pages
38-55
Abstract (EN)
Current approaches for service discovery are based on semantic knowledge, such as ontologies and service behavior (described as process model). However, these approaches still remain with a high selectivity rate, resulting in a large number of services offering similar functionalities and behavior. One way to improve the selectivity rate and to provide the best suited services is to cope with user preferences defined on quality attributes. In this paper, we propose and evaluate a novel approach for service retrieval that takes into account the service 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 attributes are modelled by means of fuzzy sets. A flexible evaluation strategy based on fuzzy linguistic quantifiers (such as almost all) is introduced. Then, two families of ranking methods are discussed. Finally, an extensive set of experiments based on real data sets is conducted, on one hand, to demonstrate the efficiency and the scalability of our approach, and on the other hand, to analyze the effectiveness and the accuracy of the proposed ranking methods compared to expert evaluation.

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