3319 search results - page 231 / 664 » Type Theoretical Databases |
ICIP
2004
IEEE
16 years 17 days ago
2004
IEEE
In many image or video retrieval systems, the search of similar objects in the database includes a spatial access method to a multidimensional feature space. This step is generall...
178
click to vote
ICDE
1999
IEEE
16 years 9 days ago
1999
IEEE
Current database trigger systems have extremely limited scalability. This paper proposes a way to develop a truly scalable trigger system. Scalability to large numbers of trigger...
179
click to vote
GIS
2005
ACM
15 years 12 months ago
2005
ACM
Group nearest neighbor (GNN) queries are a relatively new type of operations in spatial database applications. Different from a traditional kNN query which specifies a single quer...
179
click to vote
GIS
2005
ACM
15 years 12 months ago
2005
ACM
Topological predicates, as derived from the 9-intersection model, have been widely recognized in GIS, spatial database systems, and many other geo-related disciplines. They are ba...
176
click to vote
PODS
2009
ACM
15 years 11 months ago
2009
ACM
We consider the problem of deciding query equivalence for a conjunctive language in which queries output complex objects composed from a mixture of nested, unordered collection ty...