856 search results - page 31 / 172 » Location-based Spatial Queries |
DEXA
2000
Springer
14 years 3 months ago
2000
Springer
Page ordering is to define the order of pages in one-dimensional storage for storing two-dimensional spatial data to reduce the number of disk seeks. Previous works relating to pag...
DASFAA
2003
IEEE
14 years 4 months ago
2003
IEEE
Modern database applications including computeraided design (CAD), medical imaging, or molecular biology impose new requirements on spatial query processing. Particular problems a...
ER
2004
Springer
14 years 4 months ago
2004
Springer
This paper uses a knowledge-based approach to querying heterogeneous spatial databases based on an ontology and conceptual and attribute similarities. The ontology, which may be in...
EDBT
2004
ACM
14 years 4 months ago
2004
ACM
Abstract. We present a cost-based adaptive clustering method to improve average performance of spatial queries (intersection, containment, enclosure queries) over large collections...
VLDB
2001
ACM
14 years 3 months ago
2001
ACM
Similarity retrieval mechanisms should utilize generalized quadratic form distance functions as well as the Euclidean distance function since ellipsoid queries parameters may vary...