Signature file hierarchies and signature graphs: a new index method for object-oriented databases

  • Authors:
  • Yangjun Chen;Yibin Chen

  • Affiliations:
  • University of Winnipeg, Manitoba, Canada;University of Winnipeg, Manitoba, Canada

  • Venue:
  • Proceedings of the 2004 ACM symposium on Applied computing
  • Year:
  • 2004

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Abstract

In this paper, we propose a new index structure for object-oriented databases. The main idea of this is a graph structure, called a signature graph, which is constructed over a signature file generated for a class and improves the search of a signature file dramatically. In addition, the signature files (accordingly, the signature graphs) can be organized into a hierarchy according to the nested structure (called the aggregation hierarchy) of classes in an object-oriented database, which leads to another significant improvements.