PRIS at TREC2012 Contextual Suggestion Track
BEIJING UNIV OF POSTS AND TELECOMMUNICATIONS (CHINA)
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The system to Contextual Suggestion Track at TREC2012 includes information crawling and preprocessing, context filtering, user modeling, similarity computing and ranking, description generating. Some third party tool kits are used, such as URLPARSE. TF-IDF term frequency-inverse document frequency and cosine similarity is also used for building user models and computed similarities between users and candidate items.
- Information Science