An investigation on the serendipity problem in recommender systems. Issue 5 (September 2015)

• Record Type: Journal Article
• Authors: de Gemmis, Marco; Lops, Pasquale; Semeraro, Giovanni; Musto, Cataldo
• Is Part Of: Information processing & management. Volume 51:Issue 5(2015:Sep.)
• Page Start: 695
• Page End: 717
• Publication Date: 2015-09
• Subjects: Information storage and retrieval systems -- Periodicals; Information science -- Periodicals; Systèmes d'information -- Périodiques; Sciences de l'information -- Périodiques; Information science; Information storage and retrieval systems; Periodicals; 658.4038
• DOI: 10.1016/j.ipm.2015.06.008
• Languages: English
• ISSNs: 0306-4573

Abstract

<abstract xml:lang="en" abstract-type="author-highlights" id="ab005"> <title id="st135">Highlights</title> <sec> <p id="sp005"> <list id="l0005"> <list-item id="u0005"> <label></label> <p id="p0565">We design a Knowledge Infusion (KI) process for providing systems with background knowledge.</p> </list-item> <list-item id="u0010"> <label></label> <p id="p0570">We design a KI-based recommendation algorithm for providing serendipitous recommendations.</p> </list-item> <list-item id="u0015"> <label></label> <p id="p0575">An in vitro evaluation shows the effectiveness of the proposed approach.</p> </list-item> <list-item id="u0020"> <label></label> <p id="p0580">We collected implicit emotional feedback on serendipitous recommendations.</p> </list-item> <list-item id="u0025"> <label></label> <p id="p0585">Results show that serendipity is moderately correlated with surprise and happiness.</p> </list-item> </list> </p> </sec> </abstract>