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DEXA
2006
Springer
121views Database» more  DEXA 2006»
15 years 10 months ago
DCF: An Efficient Data Stream Clustering Framework for Streaming Applications
Streaming applications, such as environment monitoring and vehicle location tracking require handling high volumes of continuously arriving data and sudden fluctuations in these vo...
Kyungmin Cho, SungJae Jo, Hyukjae Jang, Su Myeon K...
SIGMOD
1995
ACM
126views Database» more  SIGMOD 1995»
15 years 10 months ago
View Maintenance in a Warehousing Environment
A warehouse is a repository of integrated information drawn from remote data sources. Since a warehouse e ectively implements materialized views, we must maintain the views as the...
Yue Zhuge, Hector Garcia-Molina, Joachim Hammer, J...
CCS
2008
ACM
15 years 8 months ago
A formal framework for reflective database access control policies
Reflective Database Access Control (RDBAC) is a model in which a database privilege is expressed as a database query itself, rather than as a static privilege contained in an acce...
Lars E. Olson, Carl A. Gunter, P. Madhusudan
CIKM
2008
Springer
15 years 8 months ago
Semi-supervised text categorization by active search
In automated text categorization, given a small number of labeled documents, it is very challenging, if not impossible, to build a reliable classifier that is able to achieve high...
Zenglin Xu, Rong Jin, Kaizhu Huang, Michael R. Lyu...
CLEF
2008
Springer
15 years 8 months ago
Robust Question Answering for Speech Transcripts: UPC Experience in QAst 2008
This paper describes the participation of the Technical University of Catalonia in the CLEF 2008 Question Answering on Speech Transcripts track. We have participated in the Englis...
Pere Comas, Jordi Turmo