@article{6941567,
  abstract     = {{Traditional recommender systems provide personal suggestions based on the user’s preferences, without taking into account any additional contextual information, such as time or device type. The added value of contextual information for the recommendation process is highly dependent on the application domain, the type of contextual information, and variations in users’ usage behavior in different contextual situations. This paper investigates whether users utilize a mobile news service in different contextual situations and whether the context has an influence on their consumption behavior. Furthermore, the importance of context for the recommendation process is investigated by comparing the user satisfaction with recommendations based on an explicit static profile, content-based recommendations using the actual user behavior but ignoring the context, and context-aware content-based recommendations incorporating user behavior as well as context. Considering the recommendations based on the static profile as a reference condition, the results indicate a significant improvement for recommendations that are based on the actual user behavior. This improvement is due to the discrepancy between explicitly stated preferences (initial profile) and the actual consumption behavior of the user. The context-aware content-based recommendations did not significantly outperform the content-based recommendations in our user study. Context-aware content-based recommendations may induce a higher user satisfaction after a longer period of service operation, enabling the recommender to overcome the cold-start problem and distinguish user preferences in various contextual situations.}},
  author       = {{De Pessemier, Toon and Courtois, Cédric and Vanhecke, Kris and Van Damme, Kristin and Martens, Luc and De Marez, Lieven}},
  issn         = {{1380-7501}},
  journal      = {{MULTIMEDIA TOOLS AND APPLICATIONS}},
  keywords     = {{SYSTEMS,INFORMATION,Recommender system News recommendation User evaluation Context-aware Algorithm-based news,SPARSITY PROBLEM}},
  language     = {{eng}},
  number       = {{6}},
  pages        = {{3323--3351}},
  publisher    = {{Springer US}},
  title        = {{A user-centric evaluation of context-aware recommendations for a mobile news service}},
  url          = {{http://doi.org/10.1007/s11042-014-2437-9}},
  volume       = {{75}},
  year         = {{2016}},
}

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