625 search results - page 70 / 125 » Genetic algorithms for large join query optimization |
SSDBM
1999
IEEE
14 years 2 days ago
1999
IEEE
We address the problem of similarity search in large time series databases. We introduce a novel indexing algorithm that allows faster retrieval. The index is formed by creating b...
ICDE
2008
IEEE
14 years 9 months ago
2008
IEEE
Existing techniques for schema matching are classified as either schema-based, instance-based, or a combination of both. In this paper, we define a new class of techniques, called ...
DAWAK
2006
Springer
13 years 11 months ago
2006
Springer
We consider the problem of concurrent execution of multiple frequent itemset queries. If such data mining queries operate on overlapping parts of the database, then their overall I...
SSDBM
2009
IEEE
14 years 2 months ago
2009
IEEE
Abstract. Real-life spatial objects are usually described by their geographic locations (e.g., longitude and latitude), and multiple quality attributes. Conventionally, spatial dat...
WIDM
2004
ACM
14 years 1 months ago
2004
ACM
In this paper, we propose a novel compact tree (Ctree) for XML indexing, which provides not only concise path summaries at the group level but also detailed child-parent links at ...