Esqueranto esqueranto A CQL implementation with concrete translation(s). An antlr lexer/parser grammar for CQL[1] and related tree grammars for concrete search implementations (e.g. Lucene). There are places where some of the institutional knowledge is captured in verbose queries, having something like CQL as an "esperanto" of query grammars lets them more easily change search technologies over time and/or run multiple search technologies at the same time and not be wed to a specific implementation. 2009-8-1 active Tim Williams c0bf89dd3415287d5428cb9de5fba28b5c9fc1b5 java antlr CQL Contextual Query Language OASIS