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175
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ADBIS
2004
Springer
15 years 12 months ago
2004
Springer
Abstract. Query reformulation techniques based on semantic knowledge have been used in two ways in database management systems, namely for query optimization and for data integrati...
198
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AC
2004
Springer
15 years 6 months ago
2004
Springer
In today's business where speed is of essence, an iterative development approach that allows the functionality to be delivered in parts has become a necessity and an effectiv...
207
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EKAW
2008
Springer
15 years 8 months ago
2008
Springer
Abstract. Dealing with heterogeneous ontologies by means of semantic mappings has become an important area of research and a number of systems for discovering mappings between onto...
189
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EDBT
2011
ACM
14 years 10 months ago
2011
ACM
A question that database administrators (DBAs) routinely need to answer is how long a batch query workload will take to complete. This question arises, for example, while planning...
166
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KDD
2008
ACM
16 years 6 months ago
2008
ACM
This paper addresses several key issues in the ArnetMiner system, which aims at extracting and mining academic social networks. Specifically, the system focuses on: 1) Extracting ...