Changes between Version 29 and Version 30 of LEGACY - i2b2OntologyCRC-1


Ignore:
Timestamp:
02/22/11 19:30:21 (14 years ago)
Author:
jeff.lusted
Comment:

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  • LEGACY - i2b2OntologyCRC-1

    v29 v30  
    6666
    6767=== A Principle Worth Stating ===
    68 This is as much for my benefit as for anyone else.[[br]]
    69 **The __only__ metadata available to a user for forming a query is solely contained within the ontology tables, ie: that available by browsing an ontology tree.**
     68This is as much for my benefit as for anyone else...[[br]]
     69
     70**The __only__ metadata available to a user for forming a query is solely contained within the ontology tables, ie: that available by browsing an ontology tree.** [[br]]
     71
     72Although there is metadata stored within the observation_fact table itself (and we have to get this correct when loading the data), this particular metadata is only used when executing a query. It is '''''not''''' available at query forming time.