Performance evaluation of communication protocols for distributed processing
Computer Communications
The SEQUOIA 2000 storage benchmark
SIGMOD '93 Proceedings of the 1993 ACM SIGMOD international conference on Management of data
Encyclopedia of graphics file formats
Encyclopedia of graphics file formats
Communications of the ACM
The University of California CD-ROM Information System
Communications of the ACM
Making a digital library: the chemistry online retrieval experiment
Communications of the ACM
Digital library services in mobile computing
ACM SIGMOD Record
Internetworking with TCP/IP: Principles, Protocols, and Architecture
Internetworking with TCP/IP: Principles, Protocols, and Architecture
Digital Video: An introduction to MPEG-2
Digital Video: An introduction to MPEG-2
The Challenges of Mobile Computing
Computer
COMPSAC '97 Proceedings of the 21st International Computer Software and Applications Conference
A Colour-Based Technique for Measuring Visible Loss for Use in Image Data Communication
DEXA '96 Proceedings of the 7th International Conference on Database and Expert Systems Applications
Communication Costs in Digital Library Databases
DEXA '95 Proceedings of the 6th International Conference on Database and Expert Systems Applications
Quality of service control for distributed multimedia systems
Quality of service control for distributed multimedia systems
A Study of Communication Delays for Web Transactions
Cluster Computing
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Digital libraries involve various types of data like text, audio,images and video. The data objects are typically very large and ofthe order of hundreds and thousands of kilobytes. In a digitallibrary, these data objects are distributed in a wide area network.Retrieving large data objects in a wide area network has a highresponse time. We have conducted experiments to measure thecommunication overhead in the response time. We have studied thecorrelation between communication and size of data, betweencommunication and type of data and the communication delay to varioussites in a local and wide area network. We present different strategies for reducing delay while communicating multimedia data. Images are amenable to losingdata without losing semantics of the image. Lossy compressiontechniques reduce the quality of the image and reduce the sizeleading to a lower communication delay. We compared the communicationdelay between compressed and uncompressed images and study theoverhead due to compression and decompression. We present issues in providing digital library serviceto mobile users and discuss a question: What if communication werefree? Finally, we present a framework for efficient communication of digital library data.