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EDBT
1998
ACM
155views Database» more  EDBT 1998»
14 years 1 months 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 ...
ADC
2009
Springer
178views Database» more  ADC 2009»
14 years 3 months ago
CSC: Supporting Queries on Compressed Cached XML
Whenever a client frequently has to retrieve, to query and to locally transform large parts of a huge XML document that is stored on a remote web information server, data exchange...
Stefan Böttcher, Rita Hartel
SIGMOD
2003
ACM
240views Database» more  SIGMOD 2003»
14 years 9 months ago
XRANK: Ranked Keyword Search over XML Documents
We consider the problem of efficiently producing ranked results for keyword search queries over hyperlinked XML documents. Evaluating keyword search queries over hierarchical XML ...
Lin Guo, Feng Shao, Chavdar Botev, Jayavel Shanmug...
SIGMOD
2009
ACM
161views Database» more  SIGMOD 2009»
14 years 9 months ago
Automated SQL tuning through trial and (sometimes) error
SQL tuning--the attempt to improve a poorly-performing execution plan produced by the database query optimizer-is a critical aspect of database performance tuning. Ironically, as ...
Herodotos Herodotou, Shivnath Babu
ICDE
2009
IEEE
183views Database» more  ICDE 2009»
14 years 10 months ago
Efficient Indices Using Graph Partitioning in RDF Triple Stores
With the advance of the Semantic Web, varying RDF data were increasingly generated, published, queried, and reused via the Web. For example, the DBpedia, a community effort to extr...
Ying Yan, Chen Wang, Aoying Zhou, Weining Qian, Li...