The openEHR Clinical Knowledge Manager (CKM) is a unique resource for the specification of health information that will become part of people's lifelong health record. The work raises questions. What more do we need to develop and manage high quality specifications for health information suitable for sharing between clinical applications? How do we manage the tension between harnessing the richness of contributions from the large and enthusiastic community of clinicians and health informaticians and ensuring that the specifications are comprehensive and internally consistent? This has been weighing on my mind over the past couple of years decade as we have developed a Web 2.0 approach to openEHR clinical knowledge collaboration.
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