The Information Extraction Systems of BUPT_PRIS at TREC2014 Temporal Summarization Track
BEIJING UNIV OF POSTS AND TELECOMMUNICATIONS (CHINA)
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This paper describes the information extraction systems of BUPTPRIS at Temporal Summarization Track, Which includes data obtaining and preprocessing, index building and query expansion, sentences scoring module. This year only keep one task sequential update summarization, the task value tracking is cancelled. For the sequential update summarization we focus attention on queries expansion and sentence scoring. There are three methods of query expansion introduced in this report WordNets, Word representation, spatial analysis method. We also show the evaluation results for our team and the comparison with the best and median evaluations.
- Information Science