2889 search results - page 70 / 578 » Querying Structured Hyperdocuments |
JMLR
2012
11 years 10 months ago
2012
Given a point set S and an unknown metric d on S, we study the problem of efficiently partitioning S into k clusters while querying few distances between the points. In our model...
JCDCG
2004
Springer
14 years 1 months ago
2004
Springer
In this paper we discuss farthest-point problems in which a set or sequence S of n points in the plane is given in advance and can be preprocessed to answer various queries efficie...
SIGMOD
2008
ACM
14 years 8 months ago
2008
ACM
Text documents often embed data that is structured in nature. This structured data is increasingly exposed using information extraction systems, which generate structured relation...
ER
2005
Springer
14 years 1 months ago
2005
Springer
Query rewriting is a fundamental task in query optimization and data integration. With the advent of the web, there has been renewed interest in data integration, where data is dis...
DIS
2006
Springer
13 years 11 months ago
2006
Springer
The purpose of this paper is two-fold: First, we give efficient algorithms for answering itemset support queries for collections of itemsets from various representations of the fre...