Abstract:In recent years, a number of research works have been carried out to improve the information retrieval process by exploiting external knowledge, e.g., by employing ontologies. Even though ontologies seem to be a promising technique to improve the retrieval process, hardly any study has been performed to evaluate the use of ontologies over a longer time period to model user interests. In this work we introduce an ontology based video recommender system that exploits implicit relevance feedback to capture users'… Show more
“…Breaking news events add another source for variation. This is in particular challenging for recommendation techniques that rely on exploiting users' prior interaction with news items (e.g., (Hopfgartner and Jose, 2014)). • The online component of NewsREEL causes additional challenges that need to be considered in order to guarantee a fair and unbiased evaluation.…”
“…Breaking news events add another source for variation. This is in particular challenging for recommendation techniques that rely on exploiting users' prior interaction with news items (e.g., (Hopfgartner and Jose, 2014)). • The online component of NewsREEL causes additional challenges that need to be considered in order to guarantee a fair and unbiased evaluation.…”
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