9683 search results - page 29 / 1937 » Query performance prediction |
ANCS
2005
ACM
14 years 2 months ago
2005
ACM
Hash tables provide efficient table implementations, achieving O(1), query, insert and delete operations at low loads. However, at moderate or high loads collisions are quite freq...
SIGIR
2003
ACM
14 years 2 months ago
2003
ACM
We propose a Bayesian extension to the ad-hoc Language Model. Many smoothed estimators used for the multinomial query model in ad-hoc Language Models (including Laplace and Bayes-...
HOTOS
1999
IEEE
14 years 1 months ago
1999
IEEE
A Web proxy must accurately predict network performance between itself and its servers and clients in order to make good distillation decisions. In this paper, we show that the cu...
CIKM
2007
Springer
14 years 3 months ago
2007
Springer
Pseudo-relevance feedback, or query expansion, has been shown to improve retrieval performance in the adhoc retrieval task. In such a scenario, a few top-ranked documents are assu...
SIGMOD
2008
ACM
14 years 9 months ago
2008
ACM
Many scientific, financial, data mining and sensor network applications need to work with continuous, rather than discrete data e.g., temperature as a function of location, or sto...