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A framework for the organization and...

Buranarach, Marut.

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A framework for the organization and discovery of information resources in a WWW environment using association, classification and deduction.

Record Type:	Electronic resources : Monograph/item
Title/Author:	A framework for the organization and discovery of information resources in a WWW environment using association, classification and deduction./
Author:	Buranarach, Marut.
Description:	234 p.
Notes:	Source: Dissertation Abstracts International, Volume: 65-12, Section: A, page: 4381.
Contained By:	Dissertation Abstracts International65-12A.
Subject:	Information Science. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3158613
ISBN:	0496916157

A framework for the organization and discovery of information resources in a WWW environment using association, classification and deduction.
Buranarach, Marut.

A framework for the organization and discovery of information resources in a WWW environment using association, classification and deduction. - 234 p.

Source: Dissertation Abstracts International, Volume: 65-12, Section: A, page: 4381.

Thesis (Ph.D.)--University of Pittsburgh, 2004.

The Semantic Web is envisioned as a next-generation WWW environment in which information is given well-defined meaning. Although the standards for the Semantic Web are being established, it is as yet unclear how the Semantic Web will allow information resources to be effectively organized and discovered in an automated fashion. This dissertation research explores the organization and discovery of resources for the Semantic Web. It assumes that resources on the Semantic Web will be retrieved based on metadata and ontologies that will provide an effective basis for automated deduction. An integrated deduction system based on the Resource Description Framework (RDF), the DARPA Agent Markup Language (DAML) and description logic (DL) was built. A case study was conducted to study the system effectiveness in retrieving resources in a large Web resource collection. The results showed that deduction has an overall positive impact on the retrieval of the collection over the defined queries. The greatest positive impact occurred when precision was perfect with no decrease in recall. The sensitivity analysis was conducted over properties of resources, subject categories, query expressions and relevance judgment in observing their relationships with the retrieval performance. The results highlight both the potentials and various issues in applying deduction over metadata and ontologies. Further investigation will be required for additional improvement. The factors that can contribute to degraded performance were identified and addressed. Some guidelines were developed based on the lessons learned from the case study for the development of Semantic Web data and systems.

ISBN: 0496916157Subjects--Topical Terms:

1017528
Information Science.

A framework for the organization and discovery of information resources in a WWW environment using association, classification and deduction.
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245 1 2 $a A framework for the organization and discovery of information resources in a WWW environment using association, classification and deduction.
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500 $a Source: Dissertation Abstracts International, Volume: 65-12, Section: A, page: 4381.
500 $a Adviser: Michael B. Spring.
502 $a Thesis (Ph.D.)--University of Pittsburgh, 2004.
520 $a The Semantic Web is envisioned as a next-generation WWW environment in which information is given well-defined meaning. Although the standards for the Semantic Web are being established, it is as yet unclear how the Semantic Web will allow information resources to be effectively organized and discovered in an automated fashion. This dissertation research explores the organization and discovery of resources for the Semantic Web. It assumes that resources on the Semantic Web will be retrieved based on metadata and ontologies that will provide an effective basis for automated deduction. An integrated deduction system based on the Resource Description Framework (RDF), the DARPA Agent Markup Language (DAML) and description logic (DL) was built. A case study was conducted to study the system effectiveness in retrieving resources in a large Web resource collection. The results showed that deduction has an overall positive impact on the retrieval of the collection over the defined queries. The greatest positive impact occurred when precision was perfect with no decrease in recall. The sensitivity analysis was conducted over properties of resources, subject categories, query expressions and relevance judgment in observing their relationships with the retrieval performance. The results highlight both the potentials and various issues in applying deduction over metadata and ontologies. Further investigation will be required for additional improvement. The factors that can contribute to degraded performance were identified and addressed. Some guidelines were developed based on the lessons learned from the case study for the development of Semantic Web data and systems.
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