The SGML handbook
From structured documents to novel query facilities
SIGMOD '94 Proceedings of the 1994 ACM SIGMOD international conference on Management of data
HyperFile: a data and query model for documents
The VLDB Journal — The International Journal on Very Large Data Bases
W3QS: A Query System for the World-Wide Web
VLDB '95 Proceedings of the 21th International Conference on Very Large Data Bases
A Declarative Language for Querying and Restructuring the Web
RIDE '96 Proceedings of the 6th International Workshop on Research Issues in Data Engineering (RIDE '96) Interoperability of Nontraditional Database Systems
Controlled Hypertextual Navigation in the SgmlQL Language
DEXA '99 Proceedings of the 10th International Conference on Database and Expert Systems Applications
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In order to retrieve an item of information on the Web, many search engines have been proposed. They are rarely efficient at the first attempt: the display of results "forces" the user to navigate. In parallel, Web query languages have been developed to avoid these two sequential phases: research then navigation. In this context, the QIRI@D experimental platform, based on the functional programming language SgmlQL, enables both information retrieval and manipulation of distributed semi-structured documents published on a sub-network made up of the sites where QIRI@D is running. It is possible in an unique query to specify criteria to find a document, to filter it, to extract parts of it for building the result. An automatical enrichment of any published document is used to improve the search efficiency.