Search/Retrieve via URL (SRU)
Library Cataloging

Search/Retrieve via URL (SRU)


The proposal for CQL bibliographic searching is now available for review.

This proposal will serve as the basis for further work, resulting in a bibliographic context set and two profiles. After the working group has developed final proposals there will again be a period of public review.

At this stage, comments on the proposal are solicited. Please comment by July 15.
CQL is a formal language for representing queries to information retrieval systems such as web indexes, bibliographic catalogs and museum collection information. The design objective is that queries be human readable and writable, and that the language be intuitive while maintaining the expressiveness of more complex languages.

Traditionally, query languages have fallen into two camps: Powerful, expressive languages, not easily readable nor writable by non-experts (e.g. SQL, PQF, and XQuery);or simple and intuitive languages not powerful enough to express complex concepts (e.g. CCL and google). CQL tries to combine simplicity and intuitiveness of expression for simple, every day queries, with the richness of more expressive languages to accommodate complex concepts when necessary.
CQL
SRU




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Library Cataloging








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