Lei Du's research while affiliated with Beijing University of Posts and Telecommunications and other places

Publications (2)

Conference Paper
Weblog is widely used, and the number of users is increasing rapidly. Weblog reflects every aspect of the society, such as politics, economy and culture, so the topic relevance retrieval research on Weblog becomes necessary. Because of a lot of noise in the corpus and it is usually difficult to obtain the appropriate query, the common methods somet...
Conference Paper
Full-text available
This paper describes BUPT (pris) participation in baseline adhoc retrieval task and the opinion retrieval task at Blog Track 2008. The system adopts a two-stage strategy in the opinion retrieval task. In the first stage, the system carries out a basic topic relevance retrieval to get the top 1,000 documents for each query. In the second stage, our...