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- W2016506327 abstract "User and item splitting are well-known approaches to context-aware recommendation. To perform item splitting, multiple copies of an item are created based on the contexts in which it has been rated. User splitting performs a similar treatment with respect to users. The combination of user and item splitting: UI splitting, splits both users and items in the data set to boost context-aware recommendations. In this paper, we perform an empirical comparison of these three context-aware splitting approaches (CASA) on multiple data sets, and we also compare them with other popular context-aware collaborative filtering (CACF) algorithms. To evaluate those algorithms, we propose new evaluation metrics specific to contextual recommendation. The experiments reveal that CASA typically outperform other popular CACF algorithms, but there is no clear winner among the three splitting approaches. However, we do find some underlying patterns or clues for the application of CASA." @default.
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- W2016506327 date "2014-03-24" @default.
- W2016506327 modified "2023-09-23" @default.
- W2016506327 title "Splitting approaches for context-aware recommendation" @default.
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- W2016506327 doi "https://doi.org/10.1145/2554850.2554989" @default.
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