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» Conceptual Queries Using ConQuer-II
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EACL
2003
ACL Anthology
13 years 9 months ago
An Integrated Term-Based Corpus Query System
In this paper we describe the X-TRACT workbench, which enables efficient termbased querying against a domain-specific literature corpus. Its main aim is to aid domain specialists ...
Kostas Manios, Goran Nenadic, Irena Spasic, Sophia...
DOLAP
1998
ACM
13 years 12 months ago
Methodological Framework for Data Warehouse Design
Though designing a data warehouse requires techniques completely different from those adopted for operational systems, no significant effort has been made so far to develop a comp...
Matteo Golfarelli, Stefano Rizzi
ACTA
2002
86views more  ACTA 2002»
13 years 7 months ago
Deriving and paraphrasing information grammars using object-oriented analysis models
Abstract. In this paper the focus is on object-oriented analysis of information systems. We assume that the communication within an application domain can be described by a logbook...
Paul J. M. Frederiks, Theo P. van der Weide
DKE
2006
138views more  DKE 2006»
13 years 7 months ago
Using the uni-level description (ULD) to support data-model interoperability
We describe a framework called the Uni-Level Description (ULD) for accurately representing information from a broad range of data models. The ULD extends previous metadata-model a...
Shawn Bowers, Lois M. L. Delcambre
DLOG
2008
13 years 10 months ago
Taming the Infinite Chase: Query Answering under Expressive Relational Constraints
Answering queries posed over knowledge bases is a central problem in knowledge representation and database theory. In databases, query containment is one of the important query op...
Andrea Calì, Georg Gottlob, Michael Kifer