+1 On Aug 1, 2009, at 10:42 AM, Tim Williams wrote:
I'm wanting to implement an antlr lexer/parser grammar for CQL[1] and related tree grammars for translation to 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. This, I think, should be a fairly smallish effort and appropriate for a lab? Thanks, --tim [1] - http://docs.oasis-open.org/search-ws/v1.0/cql-1-2-v1.0.html <rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"; xmlns="http://usefulinc.com/ns/doap#"; xmlns:foaf="http://xmlns.com/foaf/0.1/"; xmlns:labs="http://labs.apache.org/doap-ext/1.0#"; xmlns:projects="http://projects.apache.org/ns/asfext#";> <Project rdf:about="http://labs.apache.org/labs#esqueranto "> <name>Esqueranto</name> <shortname>esqueranto </shortname> <shortdesc xml:lang="en">A CQL implementation with concrete translation(s).</shortdesc> <description xml:lang="en">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.</description> <homepage rdf:resource="http://labs.apache.org/esqueranto /"/> <license rdf:resource="http://usefulinc.com/doap/licenses/asl20"/> <created>2009-8-1</created> <labs:status>active</labs:status> <maintainer> <foaf:Person rdf:about="http://people.apache.org/~twilliams/#me";> <foaf:name>Tim Williams</foaf:name> <foaf:homepage rdf:resource="http://people.apache.org/~twilliams/"/><foaf:mbox_sha1sum>c0bf89dd3415287d5428cb9de5fba28b5c9fc1b5</ foaf:mbox_sha1sum></foaf:Person> </maintainer> <repository> <SVNRepository><location rdf:resource="http://svn.apache.org/repos/asf/labs/esqueranto /"/> <browse rdf:resource="http://svn.apache.org/viewvc/labs/ esqueranto /"/></SVNRepository> </repository> <programming-language>java</programming-language> <programming-language>antlr</programming-language> <projects:implements> <projects:Standard> <projects:id>CQL</projects:id> <projects:title>Contextual Query Language</projects:title> <projects:body>OASIS</projects:body> <projects:urlrdf:resource="http://docs.oasis-open.org/search-ws/v1.0/cql-1-2-v1.0.html "/></projects:Standard> </projects:implements> </Project> </rdf:RDF> --------------------------------------------------------------------- To unsubscribe, e-mail: labs-unsubscr...@labs.apache.org For additional commands, e-mail: labs-h...@labs.apache.org
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