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The authors' proposed method is a new hybrid version of the harmony search and the particle swarm optimization. The HPSO is designed to generate the best web service composition in a discrete search space. Furthermore, the method includes two filtering processes called Skyline operator and local consistency reinforcement techniques. These methods filter the search space and keep only the most representative candidate services. Results show the effectiveness and the accuracy of the proposed approach.<\/jats:p>","DOI":"10.4018\/ijwsr.2019010101","type":"journal-article","created":{"date-parts":[[2018,12,21]],"date-time":"2018-12-21T09:23:25Z","timestamp":1545384205000},"page":"1-21","source":"Crossref","is-referenced-by-count":13,"title":["An Efficient User-Centric Web Service Composition Based on Harmony Particle Swarm Optimization"],"prefix":"10.4018","volume":"16","author":[{"given":"Hela","family":"Fekih","sequence":"first","affiliation":[{"name":"COSMOS Lab, ENSI, University of Manouba, Manouba, Tunisia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sabri","family":"Mtibaa","sequence":"additional","affiliation":[{"name":"COSMOS Lab, ENSI, University of Manouba, Manouba, Tunisia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3840-3978","authenticated-orcid":true,"given":"Sadok","family":"Bouamama","sequence":"additional","affiliation":[{"name":"Ecole Nationale des Sciences de l'Informatique, Manouba, Tunisia"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"2432","reference":[{"issue":"1&2","key":"IJWSR.2019010101-0","first-page":"63","article-title":"Multi-level Analysis For Agent-Based Service Composition.","volume":"14","author":"B.Arif","year":"2015","journal-title":"Journal of Web Engineering"},{"issue":"1","key":"IJWSR.2019010101-1","article-title":"A Discrete Particle Swarm Optimization To Estimate Parameters in Vision Tasks.","volume":"7","author":"L.Benchikchi","year":"2016","journal-title":"International Journal of Advanced Computer Science and Applications"},{"key":"IJWSR.2019010101-2","doi-asserted-by":"publisher","DOI":"10.1145\/1068009.1068189"},{"key":"IJWSR.2019010101-3","doi-asserted-by":"crossref","unstructured":"El Masri, E., & Mahmoud, Q. 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