NDLI: Using Linked Open Data in Recommender Systems

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Using Linked Open Data in Recommender Systems

Content Provider	ACM Digital Library
Author	Vojtas, Peter Peska, Ladislav
Abstract	In this paper, we present our work in progress on using LOD data to enhance recommending on existing e-commerce sites. We imagine a situation of e-commerce website employing content-based or hybrid recommendation. Such recommending algorithms need relevant object attributes to produce useful recommendations. However, on some domains, usable attributes may be difficult to fill in manually and yet accessible from LOD cloud. A pilot study was conducted on the domain of secondhand bookshops. In this domain, recommending is extraordinary difficult because of high ratio between objects and users, lack of significant attributes and limited availability of items. Both collaborative filtering and content-based recommendation applicability is questionable under this conditions. We queried both Czech and English language edition of DBPedia in order to receive additional information about objects (books) and used various recommending algorithms to learn user preferences. Our approach is general and can be applied on other domains as well. Proposed methods were tested in an off-line recommending scenario with promising results; however there are a lot of challenges for the future work including more complex algorithm analysis, improving SPARQL queries or improving DBPedia matching rules and resource identification.
Starting Page	1
Ending Page	6
Page Count	6
File Format	PDF
ISBN	9781450332934
DOI	10.1145/2797115.2797128
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2015-07-13
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Vsm Content-based attributes Dbpedia Cbmf E-commerce Linked open data Recommender systems
Content Type	Text
Resource Type	Article

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