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» An Extensible Notation for Spatiotemporal Index Queries
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SIGMOD
1998
ACM
86views Database» more  SIGMOD 1998»
11 years 11 months ago
An Extensible Notation for Spatiotemporal Index Queries
Vassilis J. Tsotras, Christian S. Jensen, Richard ...
CORR
2007
Springer
117views Education» more  CORR 2007»
11 years 11 months ago
Dirac Notation, Fock Space and Riemann Metric Tensor in Information Retrieval Models
Using Dirac Notation as a powerful tool, we investigate the three classical Information Retrieval (IR) models and some their extensions. We show that almost all such models can be...
Xing M. Wang
SIGMOD
2002
ACM
114views Database» more  SIGMOD 2002»
12 years 12 months ago
Time-parameterized queries in spatio-temporal databases
Time-parameterized queries (TP queries for short) retrieve (i) the actual result at the time that the query is issued, (ii) the validity period of the result given the current mot...
Yufei Tao, Dimitris Papadias
SSDBM
1998
IEEE
101views Database» more  SSDBM 1998»
12 years 4 months ago
Specifications for Efficient Indexing in Spatiotemporal Databases
: A new issue that arises in modern applications involves the efficient manipulation of (static or moving) spatial objects, and the relationships among them. As a result, modern da...
Yannis Theodoridis, Timos K. Sellis, Apostolos Pap...
DEXA
2003
Springer
162views Database» more  DEXA 2003»
12 years 5 months ago
Dynamic Splitting Policies of the Adaptive 3DR-Tree for Indexing Continuously Moving Objects
Moving-objects databases need a spatio-temporal indexing scheme for moving objects to efficiently process queries over continuously changing locations of the objects. A simple exte...
Bonggi Jun, Bonghee Hong, Byunggu Yu
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