1430 search results - page 68 / 286 » Query operations for moving objects database systems |
CIKM
2000
Springer
14 years 1 months ago
2000
Springer
The complexity of deploying high-performance spatial structures in transactional DBMS environments has motivated researchers to experiment with the idea of reusing the effort inve...
PPAM
2005
Springer
14 years 2 months ago
2005
Springer
The paper presents various transparency issues that have to be considered during development of object-oriented Grid applications based on virtual repositories. Higher-level transp...
SIGMOD
2004
ACM
14 years 9 months ago
2004
ACM
Dynamic plan migration is concerned with the on-the-fly transition from one continuous query plan to a semantically equivalent yet more efficient plan. Migration is important for ...
VLDB
2007
ACM
14 years 9 months ago
2007
ACM
Research in modeling and querying spatial data has primarily focused on traditional "crisp" spatial objects with exact location and spatial extent. More recent work, how...
ACL
2009
13 years 6 months ago
2009
This paper presents a system for querying treebanks. The system consists of a powerful query language with natural support for cross-layer queries, a client interface with a graph...