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EDBT
2009
ACM
145views Database» more  EDBT 2009»
13 years 11 months ago
An efficient online auditing approach to limit private data disclosure
In a database system, disclosure of confidential private data may occur if users can put together the answers of past queries. Traditional access control mechanisms cannot guard a...
Haibing Lu, Yingjiu Li, Vijayalakshmi Atluri, Jaid...
ECML
2007
Springer
13 years 11 months ago
Ordinal Classification with Decision Rules
We consider the problem of ordinal classification, in which a value set of the decision attribute (output, dependent variable) is finite and ordered. This problem shares some chara...
Krzysztof Dembczynski, Wojciech Kotlowski, Roman S...
ICDE
2000
IEEE
158views Database» more  ICDE 2000»
14 years 9 months ago
The DC-Tree: A Fully Dynamic Index Structure for Data Warehouses
: Many companies have recognized the strategic importance of the knowledge hidden in their large databases and have built data warehouses. Typically, updates are collected and appl...
Hans-Peter Kriegel, Jörn Kohlhammer, Martin E...
SIGMOD
1999
ACM
110views Database» more  SIGMOD 1999»
13 years 12 months ago
Multi-dimensional Selectivity Estimation Using Compressed Histogram Information
The database query optimizer requires the estimation of the query selectivity to find the most efficient access plan. For queries referencing multiple attributes from the same rel...
Ju-Hong Lee, Deok-Hwan Kim, Chin-Wan Chung
CORR
2008
Springer
112views Education» more  CORR 2008»
13 years 7 months ago
Compact Labelings For Efficient First-Order Model-Checking
We consider graph properties that can be checked from labels, i.e., bit sequences, of logarithmic length attached to vertices. We prove that there exists such a labeling for check...
Bruno Courcelle, Cyril Gavoille, Mamadou Moustapha...