Fusion of Overlapped Result Sets

  • Authors:
  • Joaquim Macedo;António Costa;Vasco Freitas

  • Affiliations:
  • -;-;-

  • Venue:
  • ECDL '00 Proceedings of the 4th European Conference on Research and Advanced Technology for Digital Libraries
  • Year:
  • 2000

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Abstract

The existence of replicated documents or indexes in distributed information retrieval introduces some level of overlapping between its component databases. In this paper, a new data fusion method taking in account the overlapping information is compared with a conventional fusion method. The overall system effectiveness evaluation enables preliminary conclusions about the importance of such parameter for data fusion in distributed information retrieval.