A logical approach to quality of service specification in video databases

Elisa Bertino, Ahmed Elmagarmid, Mohand Saïd Hacid

Research output: Contribution to journalArticle

1 Citation (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 objective or subjective. 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, and the negotiation can be viewed as constraint optimization. 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)75-101
Number of pages27
JournalMultimedia Tools and Applications
Volume23
Issue number2
DOIs
Publication statusPublished - 1 Jun 2004
Externally publishedYes

Fingerprint

Video Databases
Quality of Service
Quality of service
Specification
Specifications
Multimedia Systems
Service Management
Multimedia Databases
Constraint satisfaction problems
Multimedia systems
Formal Specification
Constraint Satisfaction Problem
Database Systems
System Development
Attribute
Query

Keywords

  • Constraint optimization
  • Constraint satisfaction
  • Constraint-based query languages
  • Multimedia presentations
  • Qos mapping
  • QoS parameters
  • Qos specification
  • Quality of service
  • Reactive systems
  • Video databases

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Information Systems
  • Computer Graphics and Computer-Aided Design
  • Software
  • Theoretical Computer Science
  • Computational Theory and Mathematics

Cite this

A logical approach to quality of service specification in video databases. / Bertino, Elisa; Elmagarmid, Ahmed; Hacid, Mohand Saïd.

In: Multimedia Tools and Applications, Vol. 23, No. 2, 01.06.2004, p. 75-101.

Research output: Contribution to journalArticle

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