Integrating content-based access mechanisms with hierarchical file systems

Persistent Link:
http://hdl.handle.net/10150/282291
Title:
Integrating content-based access mechanisms with hierarchical file systems
Author:
Gopal, Burra, 1968-
Issue Date:
1997
Publisher:
The University of Arizona.
Rights:
Copyright © is held by the author. Digital access to this material is made possible by the University Libraries, University of Arizona. Further transmission, reproduction or presentation (such as public display or performance) of protected items is prohibited except with permission of the author.
Abstract:
We describe a new file system that provides, at the same time, both name and content based access to files. To make this possible, we introduce the concept of a semantic directory. Every semantic directory has a query associated with it. When a user creates a semantic directory, the file system automatically creates a set of pointers to the files in the file system that satisfy the query associated with the directory. This set of pointers is called the query-result of the directory. To access the files that satisfy the query, users just need to de-reference the appropriate pointers. Users can also create files and sub-directories within semantic directories in the usual way. Hence, users can organize files in a hierarchy and access them by specifying path names, and at the same time, retrieve files by asking queries that describe their content. Our file system also provides facilities for query-refinement and customization. When a user creates a new semantic sub-directory within a semantic directory, the file system ensures that the query-result of the sub-directory is a subset of the query-result of its parent. Hence, users can create a hierarchy of semantic directories to refine their queries. Users can also edit the set of pointers in a semantic directory, and thereby modify its query-result without modifying its query or the files in the file system. In this way, users can customize the results of queries according to their personal tastes, and use customized results to refine queries in the future. Our file system has many other features, including semantic mount-points that allow users to access information in other file systems by content. The file system does not depend on the query language used for content-based access. Hence, it is possible to integrate any content-based access mechanism into our file system.
Type:
text; Dissertation-Reproduction (electronic)
Keywords:
Information Science.; Computer Science.
Degree Name:
Ph.D.
Degree Level:
doctoral
Degree Program:
Graduate College; Computer Science
Degree Grantor:
University of Arizona
Advisor:
Manber, Udi

Full metadata record

DC FieldValue Language
dc.language.isoen_USen_US
dc.titleIntegrating content-based access mechanisms with hierarchical file systemsen_US
dc.creatorGopal, Burra, 1968-en_US
dc.contributor.authorGopal, Burra, 1968-en_US
dc.date.issued1997en_US
dc.publisherThe University of Arizona.en_US
dc.rightsCopyright © is held by the author. Digital access to this material is made possible by the University Libraries, University of Arizona. Further transmission, reproduction or presentation (such as public display or performance) of protected items is prohibited except with permission of the author.en_US
dc.description.abstractWe describe a new file system that provides, at the same time, both name and content based access to files. To make this possible, we introduce the concept of a semantic directory. Every semantic directory has a query associated with it. When a user creates a semantic directory, the file system automatically creates a set of pointers to the files in the file system that satisfy the query associated with the directory. This set of pointers is called the query-result of the directory. To access the files that satisfy the query, users just need to de-reference the appropriate pointers. Users can also create files and sub-directories within semantic directories in the usual way. Hence, users can organize files in a hierarchy and access them by specifying path names, and at the same time, retrieve files by asking queries that describe their content. Our file system also provides facilities for query-refinement and customization. When a user creates a new semantic sub-directory within a semantic directory, the file system ensures that the query-result of the sub-directory is a subset of the query-result of its parent. Hence, users can create a hierarchy of semantic directories to refine their queries. Users can also edit the set of pointers in a semantic directory, and thereby modify its query-result without modifying its query or the files in the file system. In this way, users can customize the results of queries according to their personal tastes, and use customized results to refine queries in the future. Our file system has many other features, including semantic mount-points that allow users to access information in other file systems by content. The file system does not depend on the query language used for content-based access. Hence, it is possible to integrate any content-based access mechanism into our file system.en_US
dc.typetexten_US
dc.typeDissertation-Reproduction (electronic)en_US
dc.subjectInformation Science.en_US
dc.subjectComputer Science.en_US
thesis.degree.namePh.D.en_US
thesis.degree.leveldoctoralen_US
thesis.degree.disciplineGraduate Collegeen_US
thesis.degree.disciplineComputer Scienceen_US
thesis.degree.grantorUniversity of Arizonaen_US
dc.contributor.advisorManber, Udien_US
dc.identifier.proquest9729425en_US
dc.identifier.bibrecord.b34767113en_US
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