7 search results - page 2 / 2 » NLPR at TREC 2004: Robust Experiments |
IS
2006
13 years 5 months ago
2006
The prediction of query performance is an interesting and important issue in Information Retrieval (IR). Current predictors involve the use of relevance scores, which are time-con...
IJCNLP
2004
Springer
13 years 10 months ago
2004
Springer
In this paper, a series of window-based methods is proposed for information retrieval. Compared with traditional tf-idf model, our approaches are based on two new key notions. The ...