1500 search results - page 197 / 300 » Query Optimization in Database Grid |
SIGMOD
1999
ACM
14 years 1 months ago
1999
ACM
Several techniques that compute the join between two spatial datasets have been proposed during the last decade. Among these methods, some consider existing indices for the joined...
ICDE
2005
IEEE
14 years 10 months ago
2005
IEEE
Query processing in traditional information management systems has moved from an exact match model to more flexible paradigms allowing cooperative retrieval by aggregating the dat...
VLDB
2001
ACM
14 years 1 months ago
2001
ACM
Queries navigate semistructured data via path expressions, and can be accelerated using an index. Our solution encodes paths as strings, and inserts those strings into a special i...
EDBT
2009
ACM
14 years 4 months ago
2009
ACM
Data stream management systems usually have to process many long-running queries that are active at the same time. Multiple queries can be evaluated more efficiently together tha...
SIGMOD
2010
ACM
14 years 2 months ago
2010
ACM
Modern maps provide a variety of information about roads and their surrounding landscape allowing navigation systems to go beyond simple shortest path computation. In this demo, w...