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» OLAP Query Processing in a Database Cluster
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KAIS
2006
110views more  KAIS 2006»
13 years 8 months ago
Multi-step density-based clustering
Abstract. Data mining in large databases of complex objects from scientific, engineering or multimedia applications is getting more and more important. In many areas, complex dista...
Stefan Brecheisen, Hans-Peter Kriegel, Martin Pfei...
DKE
1998
88views more  DKE 1998»
13 years 8 months ago
Temporal Grid File: A File Structure for Interval Data
Disk I/O is a major bottleneck for query processing in database applications. This bottleneck is especially a problem for temporal databases because of their large size. Reduction...
Chiang Lee, Te-Ming Tseng
EDBT
1998
ACM
155views Database» more  EDBT 1998»
14 years 26 days ago
Improving the Query Performance of High-Dimensional Index Structures by Bulk-Load Operations
Abstract. In this paper, we propose a new bulk-loading technique for high-dimensional indexes which represent an important component of multimedia database systems. Since it is ver...
Stefan Berchtold, Christian Böhm, Hans-Peter ...
LAWEB
2005
IEEE
14 years 2 months ago
A Parallel Search Engine with BSP
With the technology advance and the growth of Internet, the information that can be found in this net, as well as the number of users that access to look for specific data is big...
Veronica Gil Costa, Mauricio Marín
BTW
2007
Springer
121views Database» more  BTW 2007»
14 years 2 months ago
Algorithms for merged indexes
B-tree and index into two layers of abstraction. In addition, this paper provides algorithms for (i) concurrency control and recovery including locking of individual keys and of co...
Goetz Graefe