353 search results - page 46 / 71 » Query Expansion Based on Clustered Results |
GIS
2006
ACM
14 years 9 months ago
2006
ACM
Given a query point and a collection of spatial features, a multi-type nearest neighbor (MTNN) query finds the shortest tour for the query point such that only one instance of eac...
PVLDB
2008
13 years 8 months ago
2008
Online communities like Flickr, del.icio.us and YouTube have established themselves as very popular and powerful services for publishing and searching contents, but also for ident...
ICDE
2001
IEEE
14 years 10 months ago
2001
IEEE
In this paper, we develop a general framework for approximate nearest neighbor queries. We categorize the current approaches for nearest neighbor query processing based on either ...
CLEF
2006
Springer
14 years 12 days ago
2006
Springer
This paper describes our approach to the 2006 Adhoc Monolingual Information Retrieval run for French. The goal of our experiment was to compare the performance of a proposed stati...
SIGIR
2005
ACM
14 years 2 months ago
2005
ACM
State-of-the-art question answering (QA) systems employ termdensity ranking to retrieve answer passages. Such methods often retrieve incorrect passages as relationships among ques...