339 search results - page 5 / 68 » Improved Query Performance with Variant Indexes |
170
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VLDB
2007
ACM
15 years 10 months ago
2007
ACM
In this article, we propose a new approach for querying and indexing a database of trees with specific applications to XML datasets. Our approach relies on representing both the q...
SIGMOD
2002
ACM
15 years 10 months ago
2002
ACM
In this paper, we ask if the traditional relational query acceleration techniques of summary tables and covering indexes have analogs for branching path expression queries over tr...
DOLAP
2000
ACM
15 years 2 months ago
2000
ACM
Being able to efficiently answer arbitrary OLAP queries that aggregate along any combination of dimensions over numerical and categorical attributes has been a continued, major co...
160
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ICDE
2000
IEEE
15 years 11 months ago
2000
IEEE
In this paper, we study power conservation techniques for multi-attribute queries on wireless data broadcast channels. Indexing data on broadcast channels can improve client filte...
SIGMOD
2002
ACM
15 years 10 months ago
2002
ACM
Spatial indexing has been one of the active focus areas in recent database research. Several variants of Quadtree and R-tree indexes have been proposed in database literature. In ...