75 search results - page 3 / 15 » Integration of Spatial Join Algorithms for Processing Multip... |
TKDE
1998
13 years 7 months ago
1998
—When a multidatabase system contains textual database systems (i.e., information retrieval systems), queries against the global schema of the multidatabase system may contain a ...
TKDE
1998
13 years 7 months ago
1998
—Existing methods for spatial joins require pre-existing spatial indices or other precomputation, but such approaches are inefficient and limited in generality. Operand data sets...
EDBT
2008
ACM
14 years 7 months ago
2008
ACM
We introduce a novel spatial join operator, the ring-constrained join (RCJ). Given two sets P and Q of spatial points, the result of RCJ consists of pairs p, q (where p P, q Q) ...
SIGMOD
2006
ACM
14 years 7 months ago
2006
ACM
Recent data stream systems such as TelegraphCQ have employed the well-known property of duality between data and queries. In these systems, query processing methods are classified...
ICDE
2008
IEEE
14 years 8 months ago
2008
IEEE
In data integration applications, a join matches elements that are common to two data sources. Often, however, elements are represented slightly different in each source, so an app...