An entity-based integration framework for modeling and evaluating data enhancement products

  • Authors:
  • Greg Holland;John Talburt

  • Affiliations:
  • University of Arkansas at Little Rock, Little Rock, AR;University of Arkansas at Little Rock, Little Rock, AR

  • Venue:
  • Journal of Computing Sciences in Colleges
  • Year:
  • 2009

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Abstract

This paper describes ongoing research to develop a comprehensive, formal framework for modeling and analyzing information products derived through multi-source, entity-based integration. It describes how a previously proposed framework for defining integration selection operators can be extended to model data enhancement products, and suggests a methodology for evaluating such products based on four key factors - entities, attributes, utility, and cost. Even though many organizations make substantial investments in developing and maintaining entity-based enhancement products, little work has been done to develop evaluation models that accurately assess the impact of adding, dropping, or replacing sources in an effort to optimize the quality and economic performance of the product.