237 search results - page 38 / 48 » Efficient Query Processing on the Relational Quadtree |
SIGMOD
2007
ACM
14 years 8 months ago
2007
ACM
The Pathfinder XQuery compiler has been enhanced by a new code generator that can target any SQL:1999-compliant relational database system (RDBMS). This code generator marks an im...
ICDE
2010
IEEE
14 years 7 months ago
2010
IEEE
K Nearest Neighbor search has many applications including data mining, multi-media, image processing, and monitoring moving objects. In this paper, we study the problem of KNN over...
IDEAS
2000
IEEE
14 years 10 days ago
2000
IEEE
Most operations of the relational algebra or SQL - like projection with duplicate elimination, join, ordering, group by and aggregations - are efficiently processed using a sorted...
ICDE
2010
IEEE
14 years 7 months ago
2010
IEEE
Keyword search is considered to be an effective information discovery method for both structured and semistructured data. In XML keyword search, query semantics is based on the con...
CIKM
2008
Springer
13 years 10 months ago
2008
Springer
People are thirsty for medical information. Existing Web search engines often cannot handle medical search well because they do not consider its special requirements. Often a medi...