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SIGMOD
2004
ACM
140views Database» more  SIGMOD 2004»
15 years 9 months ago
Incremental and Effective Data Summarization for Dynamic Hierarchical Clustering
Mining informative patterns from very large, dynamically changing databases poses numerous interesting challenges. Data summarizations (e.g., data bubbles) have been proposed to c...
Corrine Cheng, Jörg Sander, Samer Nassar
DASFAA
2008
IEEE
151views Database» more  DASFAA 2008»
14 years 11 months ago
Efficient Top-k Search Across Heterogeneous XML Data Sources
An important issue arising from XML query relaxation is how to efficiently search the top-k best answers from a large number of XML data sources, while minimizing the searching cos...
Jianxin Li, Chengfei Liu, Jeffrey Xu Yu, Rui Zhou
WEBDB
2001
Springer
137views Database» more  WEBDB 2001»
15 years 2 months ago
Using Database Technology to Improve Performance of Web Proxy Servers
In this paper, we propose to use database technology to improve performance of web proxy servers. We view the cache at a proxy server as a web warehouse with data organized in a h...
Kai Cheng, Yahiko Kambayashi, Mukesh K. Mohania
KES
2004
Springer
15 years 3 months ago
FIT: A Fast Algorithm for Discovering Frequent Itemsets in Large Databases
Association rule mining is an important data mining problem that has been studied extensively. In this paper, a simple but Fast algorithm for Intersecting attribute lists using a ...
Jun Luo, Sanguthevar Rajasekaran
VLDB
2002
ACM
184views Database» more  VLDB 2002»
15 years 10 months ago
Database indexing for large DNA and protein sequence collections
Our aim is to develop new database technologies for the approximate matching of unstructured string data using indexes. We explore the potential of the suffix tree data structure i...
Ela Hunt, Malcolm P. Atkinson, Robert W. Irving