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Multimedia support for databases

Banu Özden, Rajeev Rastogi, Avi Silberschatz
1997 Proceedings of the sixteenth ACM SIGACT-SIGMOD-SIGART symposium on Principles of database systems - PODS '97  
Next generation database systems will need to provide support for both textual data and other types of multimedia data (e.g., images, video, audio).  ...  In thii paper, we provide an overview of 1) how database systems can be architectured to support multimedia data, and 2) what are the main challenges in devising new algorithms to manage multimedia data  ...  These applications deal with large volumes of multimedia data that need to be stored either in a database or file/storage system.  ... 
doi:10.1145/263661.263663 dblp:conf/pods/OzdenRS97 fatcat:cxzumssxezc23kqlgk7wpnzwwe

Operating system support for multimedia systems

T. Plagemann, V. Goebel, P. Halvorsen, O. Anshus
2000 Computer Communications  
In this article, we present a survey of new developments in OS support for (distributed) multimedia systems, which include: (1) development of new CPU and disk scheduling mechanisms that combine real-time  ...  Distributed multimedia applications will be an important part of tomorrow's application mix and require appropriate operating system (OS) support.  ...  ACKNOWLEDGEMENTS We would like to thank Frank Eliassen, Liviu Iftode, Martin Karsten, Ketil Lund, Chuanbao Wang, and Lars Wolf for reviewing earlier versions of this paper and their valuable comments and  ... 
doi:10.1016/s0140-3664(99)00180-2 fatcat:wmr4vqndazezjlocfa5kvtggxe

Distributed multimedia systems

V.O.K. Li, Wanjiun Liao
1997 Proceedings of the IEEE  
We give an overview of distributed multimedia systems, examine the fundamental concept of digital media, identify the applications, and survey the important enabling technologies.  ...  A distributed multimedia system (DMS) is an integrated communication, computing, and information system that enables the processing, management, delivery, and presentation of synchronized multimedia information  ...  ACKNOWLEDGMENT The authors wish to thank the anonymous reviewers for their helpful comments on earlier versions of this paper.  ... 
doi:10.1109/5.611116 fatcat:xdmlblqyljglxpr3yeyks65vda

Self-Learning Disk Scheduling

Yu Zhang, B. Bhargava
2009 IEEE Transactions on Knowledge and Data Engineering  
The performance of disk I/O schedulers is affected by many factors such as workloads, file systems, and disk systems.  ...  Disk scheduling performance can be improved by tuning scheduler parameters such as the length of read timers. Scheduler performance tuning is mostly done manually.  ...  ACKNOWLEDGMENTS The authors wish to thank Kevin He at Cisco Systems Inc. for the helpful discussions.  ... 
doi:10.1109/tkde.2008.116 fatcat:kvii5e7atndlbfy2rowm63xhce

Incremental Scheduling of Mixed Workloads in Multimedia Information Servers [chapter]

G. Nerjes, P. Muth, M. Paterakis, Y. Romboyannakis, P. Triantafillou, G. Weikum
2000 Continuous Media Databases  
In this paper, we study the impact of different disk scheduling policies on the service quality for both continuous and discrete data.  ...  Triantafillou's research focuses in the area of highperformance, intelligent storage systems, including disk drives, disk arrays, and robotic tape/disk libraries, with a special emphasis on multimedia  ...  (b) Scheduler: The Scheduler implements the algorithms and data structures developed in this paper. For each disk there is a dedicated Disk Scheduler.  ... 
doi:10.1007/978-1-4615-4511-8_2 fatcat:jo5gg3aiuzhu3l54cgw2wpveym

Multimedia Storage Servers: A Tutorial [chapter]

D. James Gemmell, Harrick M. Vin, Dilip D. Kandlur, P. Venkat Rangan, Lawrence A. Rowe
2002 Readings in Multimedia Computing and Networking  
In this paper, we present an overview of the architectures and algorithms required for designing digital multimedia storage servers.  ...  Multimedia storage servers provide access to multimedia objects including text, images, audio, and video.  ...  The addition of real-time constraints, however, make the direct application of traditional disk scheduling algorithms to multimedia servers inadequate.  ... 
doi:10.1016/b978-155860651-7/50144-3 fatcat:nbfvnrvujjdp7h5n4jgrus26cu

Physical storage organizations for time-dependent multimedia data [chapter]

Huang-Jen Chen, T. D. C. Little
1993 Lecture Notes in Computer Science  
The analysis and numerical results indicate the feasibility of using conventional rotating magnetic disk storage devices to support multiple sessions for on-demand video applications.  ...  Multimedia computing requires support for heterogeneous data types with differing storage, communication and delivery requirements.  ...  In real applications, the disk bandwidth requirements for multimedia sessions can have the same value.  ... 
doi:10.1007/3-540-57301-1_2 fatcat:b5xmipem6zbcrdkflsghgjml3m

Beehive: Global Multimedia Database Support for Dependable, Real-Time Applications [chapter]

John Stankovic, Sang Son, Jörg Liebeherr
1997 Real-Time Database and Information Systems: Research Advances  
The con uence of computers, communications and databases is quickly creating a global virtual database where many applications require real-time access to both temporally accurate and multimedia data.  ...  Any realistic application will include legacy databases.  ...  STRIP (STanford Real-Time Information Processor) 2] is a database designed for heterogeneous environments and provides support for value function scheduling and for temporal constraints on data.  ... 
doi:10.1007/978-1-4615-6069-2_22 fatcat:5jtweeqvhzeplpq4mxjzuu5oai

BeeHive: Global Multimedia Database Support for Dependable, Real-Time Applications [chapter]

John A. Stankovic, Sang H. Son, Jörg Liebeherr
1998 Lecture Notes in Computer Science  
The con uence of computers, communications and databases is quickly creating a global virtual database where many applications require real-time access to both temporally accurate and multimedia data.  ...  Any realistic application will include legacy databases.  ...  STRIP (STanford Real-Time Information Processor) 2] is a database designed for heterogeneous environments and provides support for value function scheduling and for temporal constraints on data.  ... 
doi:10.1007/3-540-49151-1_4 fatcat:fc7mldcl6fes3j7gfkay7hbqie

Storage system architectures for continuous media data [chapter]

David Maier, Jonathan Walpole, Richard Staehli
1993 Lecture Notes in Computer Science  
There is a demand by applications for \constrained-latency storage access" (CLSA) to such data: precisely scheduled delivery of data streams.  ...  service demands of these applications.  ...  ., for sharing their expertise on digital studio requirements.  ... 
doi:10.1007/3-540-57301-1_1 fatcat:4ych5g2cqjgbfmi3blfe45kriq

Evaluating object DBMSs for multimedia

P. Pazandak, J. Srivastava
1997 IEEE Multimedia  
Acknowledgments We would especially like to thank the companies and project teams that participated in the survey for their time, for providing the information requested, and for letting us publish it.  ...  We would also like to thank Ram Sriram (NIST) and Mark Foresti (Rome Labs) for helping fund this effort.  ...  Resource scheduling. A user may request the delivery of multiple audio and video streams in parallel from disk.  ... 
doi:10.1109/93.621581 fatcat:tqmukiijkrbfxhkqg3qxgpz3ym

Bulk prefetching with deadline-driven scheduling to minimize startup latency of continuous media servers

Seon Ho Kim
2001 IEEE International Conference on Multimedia and Expo, 2001. ICME 2001.  
Simulation results demonstrate a fraction of a second startup latency, which is acceptable for most interactive applications.  ...  This paper proposes bulk prefetching techniques to minimize startup latency and analyzes their performance on multi-disk CM servers utilizing a deadline-driven scheduling and random data placement.  ...  In the era of multimedia, continuous media reside in the core of many important applications.  ... 
doi:10.1109/icme.2001.1237767 dblp:conf/icmcs/Kim01 fatcat:a4c4pzyiozcqdndi255ui6nna4

Guest editorial: Special issue on multimedia information systems

Stavros Christodoulakis, Anastasia Analyti
1995 Information Systems  
This involves structuring of information in the multimedia database in order to provide for effective navigation.  ...  application environment.  ...  Acknowledgenents -The authors acknowledge the support of the ESPRIT Long Term Research Project HERMES: Foundations of High Performance Multimedia Internation Management Systems (ESPRIT 9141) as the work  ... 
doi:10.1016/0306-4379(95)00023-w fatcat:lmvfz5vruzdmbbbdo2ewg3fbba

Techniques for Scheduling I/O in a High Performance Multimedia-on-Demand Server

D. Jadav, C. Srinilta, A. Choudhary, P.B. Berra
1995 Journal of Parallel and Distributed Computing  
In this paper we present a high-performance solution to the I/O retrieval problem in a distributed multimedia system. We develop a model for the architecture of a server for such a system.  ...  Parallelism of data retrieval is achieved by striping the data across multiple disks.  ...  Research Contributions In this paper, we propose I/O scheduling algorithms for a distributed video-on-demand application.  ... 
doi:10.1006/jpdc.1995.1137 fatcat:verohvkjyfbsjkfa27mxtanyri

A framework for synchronous delivery of time-dependent multimedia data

T. D. C. Little
1993 Multimedia Systems  
In this paper we describe the components of our framework for supporting time-dependent multimedia data encompassing these areas, and how they are assembled into a unified system.  ...  Timing management encompasses specification, data representation, temporal access control, playout scheduling, and run-time intermedia synchronization.  ...  This system is representative of multimedia applications and illustrates the use of temporal models and database structures to support TAC functionality.  ... 
doi:10.1007/bf01213487 fatcat:ijlbuha5b5eivbx4gculdh24ge
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