AICS
2009
13 years 9 months ago
2009
Document length normalisation is known to be a difficult problem in IR, as tuning is often needed to overcome the collection dependence problem known to affect many normalisation s...
SIGIR
2008
ACM
13 years 11 months ago
2008
ACM
We analyse query length, and fit power-law and Poisson distributions to four different query sets. We provide a practical model for query length, based on the truncation of a Pois...
TREC
2001
14 years 27 days ago
2001
Our focus this year was to investigate methods for increasing query length in interactive information searching in the Web context, and to see if these methods led to changes in t...
SIGIR
2003
ACM
14 years 4 months ago
2003
ACM
Query length in best-match information retrieval (IR) systems is well known to be positively related to effectiveness in the IR task, when measured in experimental, non-interactiv...
SIGIR
2005
ACM
14 years 5 months ago
2005
ACM
In this paper we investigate the effectiveness of a documentindependent technique for eliciting feedback from users about their information problems. We propose that such a techni...