For example, there are around 13,000 ICD9 codes for diagnoses and SNOWMED
contains 365,000 codes (Cassidy, 2005). Similar to the Denmark project, the Artemis
project focuses on developing Semantic Web technology such as ontologies
as a foundation to interoperability for medical records. Rather than standardizing
the actual documents in the EHR, the goal is to standardize the accessibility of the
records through wrappers, Web Services Description Language (WSDL) and Simple
Object Access Protocol (SOAP) (Artemis, 2005). Bicer et al. (2005) discuss a project
with Artemis in which OWL ontologies are used to map information messages
from one entity to another.
Partners Healthcare uses RDF to enable medical history from EHRs to be accessible
through computer models which select patients for clinical trials (Salamone, 2005).
They utilized Semantic Web Rules Language (SWRL) to write decision support
rules for this purpose. The advantage in using the Semantic Web approach is that the
coding is concise, flexible, and works well with large databases. As Eric Neumann
of the pharmaceutical company, Sanofi-Aventis suggests, ???with the semantic web,
you publish meaning, not just data??? (Salamone, 2005).
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