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An Empirical Analysis of Optimization Techniques for Terminological Representation Systems, or Making KRIS Get a Move On
We consider different methods of optimizing the classification process of terminological representation systems, and evaluate their effect on three different types of test data. Though theseExpand
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A survey of temporal extensions of description logics
This paper surveys the temporal extensions of description logics appearearing in the literature. The analysis considers a large spectrum of approaches appearearing in the temporal description logicsExpand
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Part-Whole Relations in Object-Centered Systems: An Overview
Abstract Knowledge bases, data bases and object-oriented systems (referred to in the paper as Object-Centered systems) all rely on attributes as the main construct used to associate properties toExpand
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A Temporal Description Logic for Reasoning about Actions and Plans
A class of interval-based temporal languages for uniformly representing and reasoning about actions and plans is presented. Actions are represented by describing what is true while the action itselfExpand
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Specification of a Common Framework for Characterizing Alignment
Definition of a common framework for characterizing alignment of heterogeneous information. This report describes various approaches towards this goal and shows the relations between them. It alsoExpand
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A Temporal Description Logic for Reasoning over Conceptual Schemas and Queries
This paper introduces a new logical formalism, intended for temporal conceptual modelling, as a natural combination of the well-known description logic DLR and point-based linear temporal logic withExpand
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Effective query rewriting with ontologies over DBoxes
We consider query answering on Description Logic (DL) ontologies with DBoxes, where a DBox is a set of assertions on individuals involving atomic concepts and roles called DBox predicates. TheExpand
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Census Data Repair: a Challenging Application of Disjunctive Logic Programming
Census data provide valuable insights on the economic, social and demographic conditions and trends occurring in a country. Census data is collected by means of millions of questionnaires, each oneExpand
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Complexity and Approximation of Fixing Numerical Attributes in Databases Under Integrity Constraints
Consistent query answering is the problem of computing the answers from a database that are consistent with respect to certain integrity constraints that the database as a whole may fail to satisfy.Expand
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Introduction to Semantic Web Ontology Languages
The aim of this chapter is to give a general introduction to some of the ontology languages that play a prominent role on the Semantic Web, and to discuss the formal foundations of these languages.Expand
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