In the library world (at least in Scandinavia), these two enjoy some
ISO 8777, "Common Command Language" (CCL) defines a set of commands for
searching interactive information systems. Specifically, it defines
a boolean query-format with truncation, proximity, etc.
ANSI Z39.50 (and ISO 10163) define, as part of a protocol for information
retrieval, an abstract structure for expressing queries.
-- Sebastian Hammer [firstname.lastname@example.org] Index Data Ph.: +45 3536 3672 Fax: +45 3536 0449