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GIS
2005
ACM
16 years 19 days ago
Improving the R*-tree with outlier handling techniques
The R*-tree, as a state-of-the-art spatial index, has already found its way into commercial systems like Oracle. In this paper, we aim at improving query performance of the R*tree...
Tian Xia, Donghui Zhang
102
Voted
SSDBM
2006
IEEE
139views Database» more  SSDBM 2006»
15 years 5 months ago
Sampling Trajectory Streams with Spatiotemporal Criteria
Monitoring movement of high-dimensional points is essential for environmental databases, geospatial applications, and biodiversity informatics as it reveals crucial information ab...
Michalis Potamias, Kostas Patroumpas, Timos K. Sel...
EDBT
2009
ACM
277views Database» more  EDBT 2009»
15 years 4 months ago
G-hash: towards fast kernel-based similarity search in large graph databases
Structured data including sets, sequences, trees and graphs, pose significant challenges to fundamental aspects of data management such as efficient storage, indexing, and simila...
Xiaohong Wang, Aaron M. Smalter, Jun Huan, Gerald ...
SIGMOD
1999
ACM
94views Database» more  SIGMOD 1999»
15 years 3 months ago
Logical Logging to Extend Recovery to New Domains
Recovery can be extended to new domains at reduced logging cost by exploiting "logical" log operations. During recovery, a logical log operation may read data values fro...
David B. Lomet, Mark R. Tuttle
VLDB
1998
ACM
170views Database» more  VLDB 1998»
14 years 11 months ago
Advanced Data Processing in KRISYS: Modeling Concepts, Implementation Techniques, and Client/Server Issues
The increasing power of modern computers steadily opens up new application domains for advanced data processing such as engineering and knowledge-based applications. To meet their...
Stefan Deßloch, Theo Härder, Nelson Men...