621 search results - page 43 / 125 » Efficient algorithms for minimizing tree pattern queries |
ICDE
2009
IEEE
14 years 9 months ago
2009
IEEE
Keyword queries enjoy widespread usage as they represent an intuitive way of specifying information needs. Recently, answering keyword queries on graph-structured data has emerged ...
WWW
2008
ACM
14 years 8 months ago
2008
ACM
In this paper, we study the problem of keyword proximity search over XML documents and leverage the efficiency and effectiveness. We take the disjunctive semantics among input key...
WEBDB
2009
Springer
14 years 2 months ago
2009
Springer
The question whether a given set of views, defined by queries, can be used to answer another query, arises in several contexts such as query optimization, data integration and se...
DOLAP
2000
ACM
14 years 12 days ago
2000
ACM
Being able to efficiently answer arbitrary OLAP queries that aggregate along any combination of dimensions over numerical and categorical attributes has been a continued, major co...
ISM
2006
IEEE
13 years 8 months ago
2006
IEEE
A novel indexing and access method, called Affinity Hybrid Tree (AH-Tree), is proposed to organize large image data sets efficiently and to support popular image access mechanisms...