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Burkowski, Forbes J. – Information Processing and Management, 1992
Describes a hierarchical text database model and defines an algebra based on concordance lists. The algebra is presented as a theoretical model to define both a conceptual schema for the database and search protocols for database implementation. Several retrieval examples are included. (19 references) (MES)
Descriptors: Algebra, Database Design, Full Text Databases, Information Retrieval

Salminen, Airi; Watters, Carolyn – Journal of the American Society for Information Science, 1992
Introduces a hypertext data model for textual databases in which the text is divided into a syntactic structure, which describes the relationships of the text parts, and an access structure, which is generated from the syntactic structure by users' queries. Implementation considerations for the structuring component, retrieval component, and…
Descriptors: Context Free Grammar, Database Design, Full Text Databases, Hypermedia