2674 search results - page 29 / 535 » Data Models and Query Languages for Spatial Databases |
CDB
2004
Springer
13 years 11 months ago
2004
Springer
Abstract. Constraint databases that can be described by boolean combinations of polynomial inequalities over the reals have received ample research attention. In particular, the ex...
CORR
2000
Springer
13 years 7 months ago
2000
Springer
The multidimensional, heterogeneous, and temporal nature of speech databases raises interesting challenges for representation and query. Recently, annotation graphs have been prop...
ICDE
2006
IEEE
14 years 1 months ago
2006
IEEE
The window query model is widely used in data stream management systems where the focus of a continuous query is limited to a set of the most recent tuples. In this dissertation, ...
RSKT
2007
Springer
14 years 1 months ago
2007
Springer
Abstract. A fundamental data modeling problem in geographical information systems and spatial database systems refers to an appropriate treatment of the vagueness or indeterminacy ...
SIGMOD
2003
ACM
14 years 7 months ago
2003
ACM
Modern database systems provide not only powerful data models but also complex query languages supporting powerful features such as the ability to create new database objects and ...