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SIGMOD
2009
ACM
189views Database» more  SIGMOD 2009»
16 years 4 months ago
Query segmentation using conditional random fields
A growing mount of available text data are being stored in relational databases, giving rise to an increasing need for the RDBMSs to support effective text retrieval. In this pape...
Xiaohui Yu, Huxia Shi
SIGMOD
2007
ACM
181views Database» more  SIGMOD 2007»
16 years 4 months ago
Progressive and selective merge: computing top-k with ad-hoc ranking functions
The family of threshold algorithm (i.e., TA) has been widely studied for efficiently computing top-k queries. TA uses a sort-merge framework that assumes data lists are pre-sorted...
Dong Xin, Jiawei Han, Kevin Chen-Chuan Chang
SIGMOD
2007
ACM
172views Database» more  SIGMOD 2007»
16 years 4 months ago
Auditing disclosure by relevance ranking
Numerous widely publicized cases of theft and misuse of private information underscore the need for audit technology to identify the sources of unauthorized disclosure. We present...
Rakesh Agrawal, Alexandre V. Evfimievski, Jerry Ki...
PCI
2005
Springer
15 years 10 months ago
Workflow Based Security Incident Management
Security incident management is one of the critical areas that offers valuable information to security experts, but still lacks much development. Currently, several security incide...
Meletis A. Belsis, Alkis Simitsis, Stefanos Gritza...
VLDB
1991
ACM
157views Database» more  VLDB 1991»
15 years 8 months ago
Integrating Implicit Answers with Object-Oriented Queries
Queries in object-oriented datab;Lqcs are formulated against a class and retrieve instnnccls of the class sat,isfying a certain predicate on the att,riblltes of the class. The pre...
Hava T. Siegelmann, B. R. Badrinath