223 search results - page 37 / 45 » Efficient Recursive Query Processing using Wavefront Methods |
VLDB
2007
ACM
14 years 8 months ago
2007
ACM
Given a multidimensional point q, a reverse k nearest neighbor (RkNN) query retrieves all the data points that have q as one of their k nearest neighbors. Existing methods for proc...
DASFAA
2004
IEEE
14 years 9 days ago
2004
IEEE
Relational index structures, as for instance the Relational Interval Tree or the Linear Quadtree, support efficient processing of queries on top of existing object-relational datab...
AMW
2010
13 years 10 months ago
2010
Abstract. A large volume of data with complex structures is currently represented in GML (Geography Markup Language) for storing and exchanging geographic information. As the size ...
WEBI
2007
Springer
14 years 2 months ago
2007
Springer
There are information needs involving costly decisions that cannot be efficiently satisfied through conventional web search engines. Alternately, community centric search can prov...
SIGMOD
1996
ACM
14 years 22 days ago
1996
ACM
Magic sets rewriting is a well-known optimization heuristic for complex decision-support queries. There can be many variants of this rewriting even for a single query, which diffe...