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User Search with Knowledge Threshold in Decentralized Online Social Networks
KTH, School of Computer Science and Communication (CSC), Theoretical Computer Science, TCS.ORCID iD: 0000-0002-7102-8153
KTH, School of Computer Science and Communication (CSC), Theoretical Computer Science, TCS.
KTH, School of Computer Science and Communication (CSC), Theoretical Computer Science, TCS.ORCID iD: 0000-0001-5742-5462
2013 (English)In: Proceedings of the 8th International IFIP Summer School on Privacy and Identity Management for Emerging Services and Technologies, 2013Conference paper, Published paper (Refereed)
Abstract [en]

User search is one fundamental functionality of an Online Social Network (OSN). When building privacy-preserving Decentralized Online Social Networks (DOSNs), the challenge of protecting user data and making users findable at the same time has to be met. We propose a user-defined knowledge threshold ("find me if you know enough about me") to balance the two requirements. We present and discuss protocols for this purpose that do not make use of any centralized component. An evaluation using real world data suggests that there is a promising compromise with good user performance and high adversary costs.

Place, publisher, year, edition, pages
2013.
National Category
Computer Science
Identifiers
URN: urn:nbn:se:kth:diva-138299OAI: oai:DiVA.org:kth-138299DiVA: diva2:680801
Conference
8th International IFIP Summer School on Privacy and Identity Management for Emerging Services and Technologies
Note

QC 20140107

Available from: 2013-12-18 Created: 2013-12-18 Last updated: 2014-01-07Bibliographically approved

Open Access in DiVA

GreschbachKB13_DOSNUserSearch.pdf(627 kB)225 downloads
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File name FULLTEXT01.pdfFile size 627 kBChecksum SHA-512
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Type fulltextMimetype application/pdf

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Greschbach, BenjaminKreitz, GunnarBuchegger, Sonja
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CiteExportLink to record
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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
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  • Other locale
More languages
Output format
  • html
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