NDLI: Weight-based consistent query answering over inconsistent $${\mathcal {SHIQ}}$$ knowledge bases

Content Provider	Springer Nature Link
Author	Du, Jianfeng Qi, Guilin Shen, Yi Dong
Copyright Year	2012
Abstract	Non-standard query mechanisms that work under inconsistency are required in some important description logic (DL)-based applications, including those involving an inconsistent DL knowledge base ( KB) whose intensional knowledge is consistent but is violated by its extensional knowledge. This paper proposes a weight-based semantics for querying such an inconsistent KB. This semantics defines an answer of a conjunctive query posed upon an inconsistent KB as a tuple of individuals whose substitution for the variables in the query head makes the query body entailed by any subbase of the KB consisting of the intensional knowledge and a weight-maximally consistent subset of the extensional knowledge. A novel computational method for this semantics is proposed, which works for extensionally reduced $${\mathcal {SHIQ}}$$ KBs and conjunctive queries without non-distinguished variables. The method first compiles the given KB to a propositional program; then, for any given conjunctive query, it reduces the problem of computing all answers of the given query to a set of propositional satisfiability (SAT) problems with PB-constraints, which are then solved by SAT solvers. A decomposition-based framework for optimizing the method is also proposed. The feasibility of this method is demonstrated in our experiments.
Starting Page	335
Ending Page	371
Page Count	37
File Format	PDF
ISSN	02191377
Journal	Knowledge and Information Systems
Volume Number	34
Issue Number	2
e-ISSN	02193116
Language	English
Publisher	Springer-Verlag
Publisher Date	2012-03-15
Publisher Place	London
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Semantic Web Description logics Query answering Inconsistency-tolerant reasoning Weight-based semantics Information Systems and Communication Service Business Information Systems
Content Type	Text
Resource Type	Article
Subject	Artificial Intelligence Information Systems Human-Computer Interaction Hardware and Architecture Software

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

D.F.: Inconsistency-tolerant semantics for description logics (2010)

Ontology-mediated query answering over temporal and inconsistent data

Explaining Inconsistency-Tolerant Query Answering over Description Logic Knowledge Bases

Consistent query answering over description logic ontologies (2007)

Explaining Inconsistency-Tolerant Query Answering over Description Logic Knowledge Bases

Complexity of inconsistency-tolerant query answering in datalog+/–.

Explaining Query Answers under Inconsistency-Tolerant Semantics over Description Logic Knowledge Bases (Extended Abstract)

Conjunctive Query Answering for the Description Logic SHIQ Knowledge Representation/Reasoning::description logics

Querying Inconsistent Description Logic Knowledge Bases under Preferred Repair

Weight-based consistent query answering over inconsistent $${\mathcal {SHIQ}}$$ knowledge bases

Similar Documents

D.F.: Inconsistency-tolerant semantics for description logics (2010)

Ontology-mediated query answering over temporal and inconsistent data

Explaining Inconsistency-Tolerant Query Answering over Description Logic Knowledge Bases

Consistent query answering over description logic ontologies (2007)

Explaining Inconsistency-Tolerant Query Answering over Description Logic Knowledge Bases

Complexity of inconsistency-tolerant query answering in datalog+/–.

Explaining Query Answers under Inconsistency-Tolerant Semantics over Description Logic Knowledge Bases (Extended Abstract)

Conjunctive Query Answering for the Description Logic SHIQ Knowledge Representation/Reasoning::description logics

Querying Inconsistent Description Logic Knowledge Bases under Preferred Repair

Weight-based consistent query answering over inconsistent $${\mathcal {SHIQ}}$$ knowledge bases