93 search results - page 1 / 19 » Ranking List Dispersion as a Query Performance Predictor |
ICTIR
2009
Springer
13 years 11 months ago
2009
Springer
Abstract. In this paper we introduce a novel approach for query performance prediction based on ranking list scores dispersion. Starting from the hypothesis that different score d...
CIKM
2008
Springer
13 years 6 months ago
2008
Springer
The focus of research on query performance prediction is to predict the effectiveness of a query given a search system and a collection of documents. If the performance of queries...
SIGIR
2010
ACM
13 years 4 months ago
2010
ACM
Query reformulation techniques based on query logs have recently proven to be effective for web queries. However, when initial queries have reasonably good quality, these techniqu...
SIGIR
2011
ACM
12 years 7 months ago
2011
ACM
Query performance prediction is aimed at predicting the retrieval effectiveness that a query will achieve with respect to a particular ranking model. In this paper, we study quer...
SPIRE
2010
Springer
13 years 2 months ago
2010
Springer
In this paper a new Query Performance Prediction method is introduced. This method is based on the hypothesis that different score distributions appear for ‘hard’ and ‘easyâ...