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» GenerIE: Information extraction using database queries
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DAWAK
2009
Springer
15 years 11 months ago
Mining Violations to Relax Relational Database Constraints
Frequent constraint violations on the data stored in a database may suggest that the semantics of the represented reality is changing. In this work we propose a methodology and a t...
Mirjana Mazuran, Elisa Quintarelli, Rosalba Rossat...
FQAS
2004
Springer
104views Database» more  FQAS 2004»
15 years 12 months ago
Logic-Based Integration of Query Answering and Knowledge Discovery
Abstract. There is currently great interest in integrating knowledge discovery research into mainstream database systems. Such an enterprise is nontrivial because knowledge discove...
Marcelo A. T. Aragão, Alvaro A. A. Fernande...
ICDE
2007
IEEE
122views Database» more  ICDE 2007»
16 years 26 days ago
A Comprehensive Motion Videotext Detection Localization and Extraction Method
— In video indexing and summarization, video text is the very compact and accurate information. Most video text detection and extraction methods deal with the static videotext on...
Tsung-Han Tsai, Yung-Chien Chen, Chih-Lun Fang
DASFAA
2009
IEEE
147views Database» more  DASFAA 2009»
16 years 1 months ago
"Pay-as-You-Go" Processing for Tracing Queries in a P2P Record Exchange System
In recent years, data provenance or lineage tracing which refers to the process of tracing the sources of data, data movement between databases, and annotations written for data ha...
Fengrong Li, Takuya Iida, Yoshiharu Ishikawa
SIGMOD
2004
ACM
160views Database» more  SIGMOD 2004»
16 years 6 months ago
Extending Query Rewriting Techniques for Fine-Grained Access Control
Current day database applications, with large numbers of users, require fine-grained access control mechanisms, at the level of individual tuples, not just entire relations/views,...
Shariq Rizvi, Alberto O. Mendelzon, S. Sudarshan, ...