K2 is a system for generating components that integrate legacy data,
data scientific formats and Web-published data.
K2 Web site
Relying on powerful original language for internal representations,
such components, called mediators, can be succinctly specified in an
extension of the open standard ODMG/ODL/OQL language and accept
queries in OQL.
The system has been used in bioinformatics where it has considerably
enhanced the productivity, reliability, reusability, and
maintainability of information integration applications.
Val Tannen Jonathan Crabtree Scott Harker Peter Buneman Susan Davidson Chris Overton