143 search results - page 6 / 29 » Efficient Region Query Processing by Optimal Page Ordering |
GEOINFO
2003
13 years 9 months ago
2003
Relational index structures, as for instance the Relational Interval Tree, the Relational R-Tree, or the Linear Quadtree, support efficient processing of queries on top of existing...
CIKM
2004
Springer
13 years 11 months ago
2004
Springer
With the growing importance of semi-structure data in information exchange, much research has been done to provide an effective mechanism to match a twig query in an XML database....
DASFAA
2010
IEEE
13 years 10 months ago
2010
IEEE
We address the problem of skyline query processing for a count-based window of continuous streaming data that involves both totally- and partially-ordered attribute domains. In thi...
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
An effective query optimizer finds a query plan that exploits the characteristics of the source data. In data integration, little is known in advance about sources' propertie...
PVLDB
2008
13 years 7 months ago
2008
Unlike traditional database queries, keyword queries do not adhere to predefined syntax and are often dirty with irrelevant words from natural languages. This makes accurate and e...