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A hybrid service recommendation prototype adapted for the UCWW: a smart-city orientation

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dc.contributor.author Zhang, Haiyang
dc.contributor.author Ganchev, Ivan
dc.contributor.author Nikolov, Nikola S.
dc.contributor.author Ji, Zhanlin
dc.contributor.author Ó'Droma, Máirtín
dc.date.accessioned 2017-11-15T16:29:48Z
dc.date.available 2017-11-15T16:29:48Z
dc.date.issued 2017
dc.identifier.uri http://hdl.handle.net/10344/6262
dc.description peer-reviewed en_US
dc.description.abstract With the development of ubiquitous computing, recommendation systems have become essential tools in assisting users in discovering services they would find interesting. This process is highly dynamic with an increasing number of services, distributed over networks, bringing the problems of cold start and sparsity for service recommendation to a new level. To alleviate these problems, this paper proposes a hybrid service recommendation prototype utilizing user and item side information, which naturally constitute a heterogeneous information network (HIN) for use in the emerging ubiquitous consumer wireless world (UCWW) wireless communication environment that offers a consumer-centric and network-independent service operation model and allows the accomplishment of a broad range of smart-city scenarios, aiming at providing consumers with the "best" service instances that match their dynamic, contextualized, and personalized requirements and expectations. A layered architecture for the proposed prototype is described. Two recommendation models defined at both global and personalized level are proposed, with model learning based on the Bayesian Personalized Ranking (BPR). A subset of the Yelp dataset is utilized to simulate UCWW data and evaluate the proposed models. Empirical studies show that the proposed recommendation models outperform several widely deployed recommendation approaches. en_US
dc.language.iso eng en_US
dc.publisher Hindawi Publishing Corporation: Wiley Hindawi Partnership en_US
dc.relation.ispartofseries Wireless Communications and Mobile Computing;article ID 6783240
dc.subject consumer wireless world en_US
dc.subject systems en_US
dc.title A hybrid service recommendation prototype adapted for the UCWW: a smart-city orientation en_US
dc.type info:eu-repo/semantics/article en_US
dc.type.supercollection all_ul_research en_US
dc.type.supercollection ul_published_reviewed en_US
dc.date.updated 2017-11-15T16:22:59Z
dc.description.version PUBLISHED
dc.identifier.doi 10.1155/2017/6783240
dc.rights.accessrights info:eu-repo/semantics/openAccess en_US
dc.internal.rssid 2726785
dc.internal.copyrightchecked Yes
dc.identifier.journaltitle Wireless Communications & Mobile Computing
dc.description.status peer-reviewed


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