A database approach to Quality of Service specification in video databases

Elisa Bertino, Ahmed K. Elmagarmid, Mohand Saïd Hacid

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Quality of Service (QoS) is defined as a set of perceivable attributes expressed in a user-friendly language with parameters that may be subjective or objective. Objective parameters are those related to a particular service and are measurable and verifiable. Subjective parameters are those based on the opinions of the end-users. We believe that quality of service should become an integral part of multimedia database systems and users should be able to query by requiring a quality of service from the system. The specification and enforcement of QoS presents an interesting challenge in multimedia systems development. A deal of effort has been done on QoS specification and control at the system and the network levels, but less work has been done at the application/user level. In this paper, we propose a language, in the style of constraint database languages, for formal specification of QoS constraints. The satisfaction by the system of the user quality requirements can be viewed as a constraint satisfaction problem. We believe this paper represents a first step towards the development of a database framework for quality of service management in video databases. The contribution of this paper lies in providing a logical framework for specifying and enforcing quality of service in video databases. To our knowledge, this work is the first from a database perspective on quality of service management.

Original languageEnglish
Pages (from-to)35-40
Number of pages6
JournalSIGMOD Record
Volume32
Issue number1
DOIs
Publication statusPublished - 1 Mar 2003
Externally publishedYes

Fingerprint

Quality of service
Specifications
Constraint satisfaction problems
Multimedia systems

Keywords

  • Constraint Satisfaction
  • Constraint-Based Query Languages
  • Multimedia Presentations
  • QoS Mapping
  • QoS Parameters
  • QoS Specification
  • Quality of Service
  • Video Databases

ASJC Scopus subject areas

  • Information Systems
  • Computer Graphics and Computer-Aided Design
  • Software

Cite this

A database approach to Quality of Service specification in video databases. / Bertino, Elisa; Elmagarmid, Ahmed K.; Hacid, Mohand Saïd.

In: SIGMOD Record, Vol. 32, No. 1, 01.03.2003, p. 35-40.

Research output: Contribution to journalArticle

Bertino, Elisa ; Elmagarmid, Ahmed K. ; Hacid, Mohand Saïd. / A database approach to Quality of Service specification in video databases. In: SIGMOD Record. 2003 ; Vol. 32, No. 1. pp. 35-40.
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