331 search results - page 11 / 67 » A framework for selective query expansion |
CIKM
2008
Springer
13 years 10 months ago
2008
Springer
This paper experimentally studies approaches to the problem of ranking information resources w.r.t. user queries in peer-to-peer information retrieval. In distributed environments...
ECIR
2010
Springer
13 years 10 months ago
2010
Springer
Query performance predictors are commonly evaluated by reporting correlation coefficients to denote how well the methods perform at predicting the retrieval performance of a set of...
EDBT
2006
ACM
14 years 8 months ago
2006
ACM
In this paper we present a novel approach for estimating the selectivity of XML twig queries. Such a technique is useful for approximate query answering as well as for determining...
ACL
2006
13 years 10 months ago
2006
We report on the development of a new automatic feedback model to improve information retrieval in digital libraries. Our hypothesis is that some particular sentences, selected ba...
WWW
2006
ACM
14 years 9 months ago
2006
ACM
We address the problem of answering broad-topic queries on the World Wide Web. We present a link based analysis algorithm SelHITS, which is an improvement over Kleinberg's HI...