TrialX is trying to make it easier for patients and researchers to find each other… TrialX is also one of the first companies that connects to a patient’s personal health record (PHR)…The company has arrangements with the two other pioneers in this field, Microsoft (HealthVault)...

Beyond simple keyword matching, another use of semantics and language technologies is to find matches between people and their needs. This application [TrialX] uses advanced medical ontologies to combine electronic health records with user-generated information to match people with potentially helpful clinical trials....