NDLI: On Universal Coding of Unordered Data

Content Provider	IEEE Xplore Digital Library
Author	Varshney, L.R. Goyal, V.K.
Copyright Year	2007
Description	Author affiliation: Res. Lab. of Electron., Massachusetts Inst. of Technol., Cambridge, MA, USA (Varshney, L.R.; Goyal, V.K.)
Abstract	There are several applications in information transfer and storage where the order of source letters is irrelevant at the destination. For these source-destination pairs, multiset communication rather than the more difficult task of sequence communication may be performed. In this work, we study universal multiset communication. For classes of countable-alphabet sources that meet Kieffer's condition for sequence communication, we present a scheme that universally achieves a rate of n + o(n) bits per multiset letter for multiset communication. We also define redundancy measures that are normalized by the logarithm of the multiset size rather than per multiset letter and show that these redundancy measures cannot be driven to zero for the class of finite-alphabet memoryless multisets. This further implies that finite-alphabet memoryless multisets cannot be encoded universally with vanishing fractional redundancy.
Starting Page	183
Ending Page	187
File Size	381866
Page Count	5
File Format	PDF
ISBN	9780615153148
DOI	10.1109/ITA.2007.4357578
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-01-29
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	UCSD
Subject Keyword	Portable media players Source coding Laboratories Humans Information representation Multimedia databases Telephony Size measurement Entropy Transaction databases
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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