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» Transformations for semi-continuous data
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VLDB
2002
ACM
98views Database» more  VLDB 2002»
15 years 5 months ago
Processing Star Queries on Hierarchically-Clustered Fact Tables
Star queries are the most prevalent kind of queries in data warehousing, OLAP and business intelligence applications. Thus, there is an imperative need for efficiently processing ...
Nikos Karayannidis, Aris Tsois, Timos K. Sellis, R...
PRL
2007
107views more  PRL 2007»
15 years 5 months ago
Robust SS watermarking with improved capacity
Robustness is a key attribute of spread spectrum (SS) watermarking scheme. It is significantly deteriorated if one tries to achieve high embedding rate keeping other parameters u...
Santi P. Maity, Malay K. Kundu, Tirtha S. Das
PRL
2008
161views more  PRL 2008»
15 years 5 months ago
Automatic kernel clustering with a Multi-Elitist Particle Swarm Optimization Algorithm
This article introduces a scheme for clustering complex and linearly non-separable datasets, without any prior knowledge of the number of naturally occurring groups in the data. T...
Swagatam Das, Ajith Abraham, Amit Konar
SAC
2008
ACM
15 years 5 months ago
Designing semantic web services using conceptual model
There are emerging technologies such as SAWSDL or WSMO that extend the current Web Services technologies to so called Semantic Web Services by combining the structural and semanti...
Martin Necasky, Jaroslav Pokorný
ICWS
2010
IEEE
15 years 4 months ago
Enhancing Scalability and Performance of Mashups Through Merging and Operator Reordering
Abstract—Recently, mashups are gaining tremendous popularity as an important Web 2.0 application. Mashups provide end-users with an opportunity to create personalized Web service...
Osama Al-Haj Hassan, Lakshmish Ramaswamy, John A. ...