Sciweavers

399 search results - page 34 / 80
» Query and Document Models for Enterprise Search
Sort
View
SIGIR
2009
ACM
15 years 5 months ago
Extracting structured information from user queries with semi-supervised conditional random fields
When search is against structured documents, it is beneficial to extract information from user queries in a format that is consistent with the backend data structure. As one step...
Xiao Li, Ye-Yi Wang, Alex Acero
WISE
2000
Springer
15 years 3 months ago
Modelling the Webspace of an Intranet
Searching the internet using the currently available searchengines is not satisfactory. Thetechniquesused there focus on the extraction of relevant informationdirectlyfrom the doc...
Roelof van Zwol, Peter M. G. Apers
SIGIR
2008
ACM
14 years 10 months ago
A bayesian logistic regression model for active relevance feedback
Relevance feedback, which traditionally uses the terms in the relevant documents to enrich the user's initial query, is an effective method for improving retrieval performanc...
Zuobing Xu, Ram Akella
SIGIR
2006
ACM
15 years 4 months ago
Regularized estimation of mixture models for robust pseudo-relevance feedback
Pseudo-relevance feedback has proven to be an effective strategy for improving retrieval accuracy in all retrieval models. However the performance of existing pseudo feedback meth...
Tao Tao, ChengXiang Zhai
TIME
2005
IEEE
15 years 4 months ago
Version Management and Historical Queries in Digital Libraries
Historical information can be effectively preserved using XML and searched through powerful historical queries written in XQuery. Indeed, by storing the successive versions of a d...
Fusheng Wang, Carlo Zaniolo, Xin Zhou, Hyun J. Moo...