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» A Constructive Semantics for ALC
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ICEIS
2003
IEEE
15 years 9 months ago
Formalizing Types with Ultimate Closure for Middleware Tools in Information Systems Engineering
: A definition of types in an information system is given from real-world abstractions through data constructs, schema and definitions to physical data values. Category theory su...
B. Nick Rossiter, David A. Nelson, Michael A. Heat...
CORR
2002
Springer
128views Education» more  CORR 2002»
15 years 4 months ago
The Deductive Database System LDL++
This paper describes the LDL++ system and the research advances that have enabled its design and development. We begin by discussing the new nonmonotonic and nondeterministic cons...
Faiz Arni, KayLiang Ong, Shalom Tsur, Haixun Wang,...
QI
2009
Springer
130views Physics» more  QI 2009»
15 years 10 months ago
Eraser Lattices and Semantic Contents
A novel way to define Quantum like measurements for text is through transformations called Selective Erasers. When applied to text, an Eraser acts like a filter and preserves par...
Alvaro Francisco Huertas-Rosero, Leif Azzopardi, C...
DEXA
2007
Springer
131views Database» more  DEXA 2007»
15 years 10 months ago
Improving Semantic Query Answering
The retrieval problem is one of the main reasoning tasks for knowledge base systems. Given a knowledge base K and a concept C, the retrieval problem consists of finding all indivi...
Norbert Kottmann, Thomas Studer
ISI
2004
Springer
15 years 9 months ago
Studying E-Mail Graphs for Intelligence Monitoring and Analysis in the Absence of Semantic Information
Abstract. This work describes a methodology that can be used to identify structure and communication patterns within an organization based on e-mail data. The first step of the me...
Petros Drineas, Mukkai S. Krishnamoorthy, Michael ...