958 search results - page 26 / 192 » The Time Index: An Access Structure for Temporal Data |
ICDE
2003
IEEE
14 years 9 months ago
2003
IEEE
We present a valid-time extension of SQL and investigate its efficient implementation on an Object-Relational database system. We propose an approach where temporal queries are ex...
ICCS
2007
Springer
14 years 2 months ago
2007
Springer
Abstract. The Evolutionary Geometric Near-neighbor Access Tree (EGNAT) is a recently proposed data structure that is suitable for indexing large collections of complex objects. It ...
SIGMOD
2003
ACM
14 years 8 months ago
2003
ACM
Most relational query optimizers make use of information about the costs of accessing tuples and data structures on various storage devices. This information can at times be off b...
BTW
2003
Springer
14 years 1 months ago
2003
Springer
Abstract: In order to achieve efficient execution plans for queries comprising userdefined data types and predicates, the database system has to be provided with appropriate index ...
SSDBM
2009
IEEE
14 years 3 months ago
2009
IEEE
Abstract. We propose an original solution for the general reverse k-nearest neighbor (RkNN) search problem in Euclidean spaces. Compared to the limitations of existing methods for ...