Print Email Facebook Twitter CLEF NewsREEL 2017 Overview Title CLEF NewsREEL 2017 Overview: Contextual Bandit News Recommendation Author Liang, Yu (External organisation) Loni, B. (TU Delft Multimedia Computing) Larson, M.A. (TU Delft Multimedia Computing; Radboud Universiteit Nijmegen) Contributor Cappellato, Linda (editor) Ferro, Nicola (editor) Goeuriot, Lorraine (editor) Mandl, Thomas (editor) Date 2017 Abstract In the CLEF NewsREEL 2017 challenge, we build a delegation model based on the contextual bandit algorithm. Our goal is to investigate whether a bandit approach combined with context extracted from the user side, from the item side and from user-item interaction can help choose the appropriate recommender from a recommender algorithm pool for the incoming recommendation requests. We took part in both tasks: NewsREEL Live and NewsREEL Replay. In the experiment, we test several bandit approaches with two types of context features. The result from NewsREEL Replay suggests that delegation model based on the contextual bandit algorithm can improve the click through rate (CTR). In NewsREEL Live, a similar delegation model is implemented. However, the delegation model from NewsREEL Live is trained by the data stream from NewsREEL Replay. This is due to the fact that the low volume of data received from the online scenario is not enough to support the training of the delegation model. For our future work, we will add more recommender algorithms to the recommender algorithm pool and explores other context features. Subject Recommender SystemContextContextual BanditNewsEvaluation To reference this document use: http://resolver.tudelft.nl/uuid:771c17d1-a6c4-4aba-99e5-7a8e051f83db Publisher CEUR-WS Source CLEF 2017 Working Notes: Conference and Labs of the Evaluation Forum Event CLEF 2017 - Conference and Labs of the Evaluation Forum, 2017-09-11 → 2017-09-14, Dublin, Ireland Series CEUR Workshop Proceedings, 1613-0073, 1866 Part of collection Institutional Repository Document type conference paper Rights © 2017 Yu Liang, B. Loni, M.A. Larson Files PDF 35743393.pdf 430.92 KB Close viewer /islandora/object/uuid:771c17d1-a6c4-4aba-99e5-7a8e051f83db/datastream/OBJ/view