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Collaborative Filtering on Familjeliv.se
Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Department of Information Technology, Division of Computing Science.
2011 (English)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

The purpose of this project was theimprovement of navigation on the forumsite Familjeliv.se. The forum containsover two million threads, and sitemanagement wanted a system to recommendthreads to users, alleviating the problemswith navigating all the data. The choicefell on a thread-to-thread similaritybased system, recommending threads similarto the one currently read. Two differentsimilarity measures were tried out, withthe first (cosine similarity) beingabandoned due to performance issues,replaced with a binary vector similaritysolution. The data still needed to bereduced to get execution times down toacceptable levels, and sampling andpartitioning were used. A live testshowed, after a week and about ten millionpage views, that the system provided abenefit a bit above 10% over a controlcondition in terms of number of clicks.

Place, publisher, year, edition, pages
2011. , 46 p.
Series
UPTEC STS, ISSN 1650-8319 ; 11 013
National Category
Computer Science
Identifiers
URN: urn:nbn:se:uu:diva-166825OAI: oai:DiVA.org:uu-166825DiVA: diva2:478077
External cooperation
Familjeliv Media
Subject / course
Computer Systems Sciences
Educational program
Systems in Technology and Society Programme
Uppsok
Technology
Supervisors
Examiners
Available from: 2012-02-02 Created: 2012-01-15 Last updated: 2012-02-02Bibliographically approved

Open Access in DiVA

fulltext(1114 kB)898 downloads
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File name FULLTEXT01.pdfFile size 1114 kBChecksum SHA-512
ca833ee65421811c7c8777b40b7530501e76c66b32b9f3fd3b3546fc28bc473af4a78fe90514f4658f3624a3c71e86125bae93cae3bffd06f506d627581e8820
Type fulltextMimetype application/pdf

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • 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
  • rtf