Hi Eric, I suggest that you read the Extract Information Model document. Though it still needs some vetting, this should answer many of your questions.
Regards, Tim On Tue, 2008-09-30 at 11:04 +0200, Erik Sundvall wrote: > Hi! > > 1. Has anybody planned, or started, to create an AQL-parser in Java? > > Maybe the basics from AQL to parse tree could be common for several > different persistence implementations and then the rest of the > implementation will be different for different persistence mechanisms. > > Our first interest will be in transforming AQL queries to queries > against an XML-database containing versioned Compositions. (It's for > an educational system where performance isn't crucial.) > > 2. Are there any suggestions for standardised response formats? It > would be interesting if we could query each others' implementations > (Python and various Java based ones) and interpret the response :-) > > When returning entire openEHR subtrees (an entire Composition or Entry > for example) I guess the current XML-format could be used to start > with. The response is likely to often be a list of such subtrees and > the format of that list Would need to be standardised. > > Another case is when using the AS operator, how do we in a > standardised way identify the named parts. > > Best regards, > Erik Sundvall > erisu at imt.liu.se http://www.imt.liu.se/~erisu/ Tel: +46-13-227579 > _______________________________________________ > openEHR-technical mailing list > openEHR-technical at openehr.org > http://lists.chime.ucl.ac.uk/mailman/listinfo/openehr-technical -- Timothy Cook, MSc Health Informatics Research & Development Services LinkedIn Profile:http://www.linkedin.com/in/timothywaynecook Skype ID == timothy.cook ************************************************************** *You may get my Public GPG key from popular keyservers or * *from this link http://timothywayne.cook.googlepages.com/home* **************************************************************
