928 search results - page 3 / 186 » Analysis and optimization of active databases |
INFOCOM
2000
IEEE
13 years 9 months ago
2000
IEEE
AAAI
1994
13 years 6 months ago
1994
We present a theory of a modeler's problem decomposition skills in the context of optimal reasonzng -- the use of qualitative modeling to strategically guide numerical explor...
GIS
1995
ACM
13 years 9 months ago
1995
ACM
An algorithm is presented to answer window queries in a quadtree-based spatial database environment by retrieving the covering blocks in the underlying spatial database. It works ...
DEXAW
2004
IEEE
13 years 9 months ago
2004
IEEE
Many applications refer to moving objects or phenomena and require spatio-temporal modelling and specific analysis. Unlike conventional data where attributes are simple values (nu...
ICDE
1999
IEEE
14 years 6 months ago
1999
IEEE
Active database management systems have been developed for applications needing an automatic reaction in response to certain events. Events can be simple in nature or complex. Com...