Personal image tagging: a game-based approach

  • Authors:
  • Jakub šimko;Mária Bieliková

  • Affiliations:
  • Slovak University of Technology, Bratislava, Slovak Republic;Slovak University of Technology, Bratislava, Slovak Republic

  • Venue:
  • Proceedings of the 8th International Conference on Semantic Systems
  • Year:
  • 2012

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Abstract

An effective search and organization of personal multimedia repositories demands very specific, owner-related metadata (e.g. person names, places, events). Only the resource owners and their social circles are able to provide these metadata, but are often not motivated to do so. To increase their motivation, we introduce a game-based personal image annotation framework. Today's crowd-based games with a purpose (GWAP) are able to harness human labor to acquire metadata for general domain multimedia resources. However, their deployment in such specific domain as one's personal multimedia is hindered by the issue of extremely small number of competent potential workers. Therefore, a traditional cross-worker agreement filtering of wrong answers cannot be effectively applied. In our approach (which is an extension of an existing image tagging game), we overcome this issue by inviting user to play for his own good i.e. annotate his own images while enjoying the game. This additional motivation causes an overall increase of quality of user-generated metadata and thus allows the use of less strict tag extraction algorithms for producing final set of tags. We show that our approach is able to yield valid image annotations, specific to the context of the resource owner. We also examine its performance with different types of annotated images and tags.