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The Computer Journal 1991 34(3):254-264; doi:10.1093/comjnl/34.3.254
© 1991 by British Computer Society
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A Query Language for Retrieving Information from Hierarchic Text Structures*

I. A. Macleod §

Department of Computing and Information Science, Queen's University, Kingston, Ontario K7L 3N6, Canada

Descriptive markup languages provide a mechanism for specifying the structure of a document. The basic premise of the work described here is that structure is an important characteristic of a document and is something more than a layout specification. For this reason, it appears important that retrieval tools should be developed which can take advantage of structural knowledge. In this paper, a query language is described which provides such a capability. The underlying implementation strategy is also discussed.

Received September 1989. revised July 1990.

* This work is supported by the Natural Science and Engineering Research Council of Canada under grant number OGP 0002398

§ Department of Computing and Information Science, Queen's University, Kingston, Ontario K7L 3N6


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