Journal
EXPERT SYSTEMS WITH APPLICATIONS
Volume 87, Issue -, Pages 199-208Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.eswa.2017.06.028
Keywords
Content Analysis; Travel Recommender Systems; Content-based Approach
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Content-based. travel recommender systems suggest touristic attractions based on a best match between users' preferences and a given set of points of interests, called POIs for short. When designing such systems, a critical aspect is to equip them with a rich enough knowledge base that, for each POI, indicates how much the POI is relevant for a set of possible topics of interests, also called TOIs for short. This paper focuses on the problem of designing the Content Analyzer of a content-based travel recommender system. The Content Analyzer is a module that receives as input a set of POIs and a set of TOIs and it computes the relevance of each POI with respect to each TOI. The proposed approach is unsupervised, fully automatic, and it relies on publicly available sources of information. We describe an implementation of the technique in a system called Cicero and present an experimental evaluation of its effectiveness against a ground truth generated by experts. (C) 2017 Elsevier Ltd. All rights reserved.
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