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» Optimization Using Tuple Subsumption
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ILP
1997
Springer
13 years 9 months ago
A Logical Framework for Graph Theoretical Decision Tree Learning
Abstract. We present a logical approach to graph theoretical learning that is based on using alphabetic substitutions for modelling graph morphisms. A classi ed graph is represente...
Peter Geibel, Fritz Wysotzki
WWW
2003
ACM
14 years 6 months ago
On labeling schemes for the semantic web
This paper focuses on the optimization of the navigation through voluminous subsumption hierarchies of topics employed by Portal Catalogs like Netscape Open Directory (ODP). We ad...
Vassilis Christophides, Dimitris Plexousakis, Mich...
ICDE
2007
IEEE
137views Database» more  ICDE 2007»
14 years 6 months ago
SAO: A Stream Index for Answering Linear Optimization Queries
Linear optimization queries retrieve the top-K tuples in a sliding window of a data stream that maximize/minimize the linearly weighted sums of certain attribute values. To effici...
Gang Luo, Kun-Lung Wu, Philip S. Yu
TKDE
2008
154views more  TKDE 2008»
13 years 4 months ago
Watermarking Relational Databases Using Optimization-Based Techniques
Proving ownership rights on outsourced relational databases is a crucial issue in today internet-based application environments and in many content distribution applications. In th...
Mohamed Shehab, Elisa Bertino, Arif Ghafoor
ICDE
1996
IEEE
126views Database» more  ICDE 1996»
14 years 6 months ago
Using Object-Oriented Principles to Optimize Update Propagation to Materialized Views
View materialization is known to be a valuable technique for performance optimization in relational databases, and much work has been done addressing the problem of consistently m...
Harumi A. Kuno, Elke A. Rundensteiner