A personal news agent that talks, learns and explains
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IJCAI'07 Proceedings of the 20th international joint conference on Artifical intelligence
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Proceedings of the third ACM conference on Recommender systems
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Proceedings of the 15th international conference on Intelligent user interfaces
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Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Analyzing user modeling on twitter for personalized news recommendations
UMAP'11 Proceedings of the 19th international conference on User modeling, adaption, and personalization
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Proceedings of International Conference on Information Integration and Web-based Applications & Services
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While social media have achieved significant and widespread adoption as platforms for sharing information, their use as a source of data for predicting user interests has not yet been fully explored. In this paper, we present a content-based approach to modeling user interests based on Twitter. Our recommendation system uses information retrieval techniques to represent tweets and users as collections of news topics, including high-level categories (e.g., sports, politics, business) and detailed subtopics (e.g., Chicago Bulls, Mitt Romney, entrepreneurship). We discuss the design of a system that uses this information to deliver news recommendations in the form of a personalized newspaper. Finally, we describe a novel method for evaluating recommendation systems based on Twitter that involves mining Twitter data to identify explicit indicators of news interests and comparing these to retroactive system recommendations.