2298 search results - page 49 / 460 » Querying spatial patterns |
109
Voted
SSD
2009
Springer
15 years 7 months ago
2009
Springer
Outsourcing data to third party data providers is becoming a common practice for data owners to avoid the cost of managing and maintaining databases. Meanwhile, due to the populari...
ER
2004
Springer
15 years 5 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...
100
Voted
EDBT
2004
ACM
15 years 5 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...
99
Voted
VLDB
2001
ACM
15 years 5 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...
98
Voted
COMPSAC
2004
IEEE
15 years 4 months ago
2004
IEEE
Recently distributed hash table (DHT) mechanisms have been proposed to manage data in very large, structured peer-to-peer (P2P) systems. DHT algorithms provide efficient exact-mat...