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CORR
2010
Springer
138views Education» more  CORR 2010»
13 years 7 months ago
A Logical Temporal Relational Data Model
Time is one of the most difficult aspects to handle in real world applications such as database systems. Relational database management systems proposed by Codd offer very little ...
Nadeem Mahmood, Aqil Burney, Kamran Ahsan
DATESO
2009
121views Database» more  DATESO 2009»
13 years 5 months ago
Translation of Ontology Retrieval Problem into Relational Queries
Ontology as a knowledge base can provide different reasoning tasks, e.g. to check consistency of the ontology or to check whether a resource is instance of a concept or not. In thi...
Jaroslav Pokorný, Jana Pribolová, Pe...
CIA
1997
Springer
13 years 11 months ago
Multi-Level Security in Multiagent Systems
Abstract. Whenever agents deal with con dential information, it is important that they comply with a principled security policy. We show how the database concept of multi-level sec...
Gerd Wagner
MMDB
2003
ACM
132views Multimedia» more  MMDB 2003»
14 years 20 days ago
Image database retrieval utilizing affinity relationships
Recent research effort in Content-Based Image Retrieval (CBIR) focuses on bridging the gap between low-level features and highlevel semantic contents of images as this gap has bec...
Mei-Ling Shyu, Shu-Ching Chen, Min Chen, Chengcui ...
VLDB
2004
ACM
257views Database» more  VLDB 2004»
14 years 23 days ago
BioPatentMiner: An Information Retrieval System for BioMedical Patents
Before undertaking new biomedical research, identifying concepts that have already been patented is essential. Traditional keyword based search on patent databases may not be suļ¬...
Sougata Mukherjea, Bhuvan Bamba