2/18/2004
Gio AAAS 04
3
The complexity of biological/medical  information disables fine-grained data access specifications
Laboratory
Billing
Patient
Accounting
Physician
Insurance Carriers
Clinics
Laboratory staff
Ward
 staff
                                              Medical
                                             Research 
Pharmacy
Inpatient
Etc..
        Accreditation
CDC
Data providers cannot predict information usage
Collaborations are dynamic, and grow when productive