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Recognizing concurrent and interleaved activities in social interactions
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Computer Science.
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Computer Science.
2011 (English)In: Ninth International Conference on Dependable, Autonomic and Secure Computing (DASC), Piscataway, NJ: IEEE Communications Society, 2011, p. 230-237Conference paper, Published paper (Refereed)
Abstract [en]

Social networks constitute an important research area where users are involved in social interactions and inform each other of activities they perform. In this paper a complex activity recognition system (SEMACT) is proposed, built and validated. Different activities performed by users form an activity hierarchy. We perform semantic reasoning by using ontological constructs and rules to recognize both concurrent and interleaved complex activities at different levels of granularity of this activity hierarchy. Different application domains require activity recognition systems to define and recognize activities at different levels of granularity. Our system tackles this problem by recognizing complex activities which are then shared across application domains using a generic API. A test-bed and prototype are built to validate our SEMACT system. Extensive experimentation is performed which demonstrates that high accuracy of 94.35% was achieved for the recognition of complex activities both concurrent and interleaved within computationally feasible time

Place, publisher, year, edition, pages
Piscataway, NJ: IEEE Communications Society, 2011. p. 230-237
National Category
Media and Communication Technology
Research subject
Mobile and Pervasive Computing
Identifiers
URN: urn:nbn:se:ltu:diva-27410DOI: 10.1109/DASC.2011.58Local ID: 0da4ee44-ff95-4df3-82ee-45c360df9de9ISBN: 978-1-4673-0006-3 (print)OAI: oai:DiVA.org:ltu-27410DiVA, id: diva2:1000594
Conference
International Conference on Dependable, Autonomic and Secure Computing : 12/12/2011 - 14/12/2011
Note
Godkänd; 2011; 20120222 (andbra)Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2018-01-14Bibliographically approved

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CiteExportLink to record
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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
  • rtf