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» On Constructing Semantic Decision Tables
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DOLAP
2003
ACM
14 years 18 days ago
Exploiting hierarchical clustering in evaluating multidimensional aggregation queries
Multidimensional aggregation queries constitute the single most important class of queries for data warehousing applications and decision support systems. The bottleneck in the ev...
Dimitri Theodoratos
PVLDB
2008
128views more  PVLDB 2008»
13 years 6 months ago
Hexastore: sextuple indexing for semantic web data management
Despite the intense interest towards realizing the Semantic Web vision, most existing RDF data management schemes are constrained in terms of efficiency and scalability. Still, th...
Cathrin Weiss, Panagiotis Karras, Abraham Bernstei...
WSC
2008
13 years 9 months ago
Unifying simulation and optimization of strategic sourcing and transportation
Proposed and developed is a framework and an extensible library of simulation modeling components for strategic sourcing and transportation. The components include items, supplier...
Malak Al-Nory, Alexander Brodsky
EUSFLAT
2009
120views Fuzzy Logic» more  EUSFLAT 2009»
13 years 5 months ago
A Fuzzy-Semiotic Framework for Modeling Imprecision in the Assessment of Depression
This paper presents a new framework to model an assessment process for a complex and multidimensional syndrome such as depression. Since the measurements of depression are inherent...
Mila Kwiatkowska, Krzysztof Kielan, Krzysztof Mich...
ICDE
2007
IEEE
145views Database» more  ICDE 2007»
14 years 8 months ago
Fast Identification of Relational Constraint Violations
Logical constraints, (e.g., 'phone numbers in toronto can have prefixes 416, 647, 905 only'), are ubiquitous in relational databases. Traditional integrity constraints, ...
Amit Chandel, Nick Koudas, Ken Q. Pu, Divesh Sriva...