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The survival of the unfittest
KTH, School of Information and Communication Technology (ICT), Microelectronics and Information Technology, IMIT.
2006 (English)Conference paper, Published paper (Refereed)
Abstract [en]

We explore the use of pari-mutuel markets in a peer-to-peer setting to generate a wide diversity of content offerings while responding adaptively to customer demand. Files are served and paid for through a parimutuel market similar to that used for betting in horse races and in lotteries. Our simulations are based on rational agents, which all act according to a set of simple rules. The results show that a favorite-longshot bias occurs, where agents tend to bet on longshots rather than favorites when following simple expected utility maximization. Furthermore, we have confirmed that the long-tail does sustain even when the agents only have a limited view of all files to pick from. If the limited view consists of random subsets of all files, the long tail is enhanced. If the limited view consists of the top most popular items, the long tail slightly decreases. We have also explored the effect of bounded rationality. Our results show that the system is robust in presence of a large fraction of providers that have bounded rationality. If the providers with bounded rationality pick random items, the long tail is enhanced. Conversely, if the providers with bounded rationality only pick their favorite, the long tail slightly decreases.

Place, publisher, year, edition, pages
2006. 27-32 p.
Series
BoD 2006 - 2006 1st IEEE International Workshop on Bandwidth on Demand
Keyword [en]
Bandwidth-on Demand (BoD), Bounded rationality, Customer demands, Expected utility, International (CO), Long tail, Peer-to-peer (p2p), Random subsets, Rational agents, Simple rules, Telecommunication systems, Stabilizers (agents)
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-155405DOI: 10.1109/BOD.2006.320816ISI: 000245375900005Scopus ID: 2-s2.0-46249126052ISBN: 1424407931 (print)ISBN: 9781424407934 (print)OAI: oai:DiVA.org:kth-155405DiVA: diva2:769018
Conference
BoD 2006 - 2006 1st IEEE International Workshop on Bandwidth on Demand; San Francisco, CA; United States; 27 November 2006 through 27 November 2006
Note

QC 20141205

Available from: 2014-12-05 Created: 2014-11-05 Last updated: 2014-12-05Bibliographically approved

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CiteExportLink to record
Permanent link

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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
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