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A Metadata Extraction Approach for Clinical Case Reports to Enable Advanced Understanding of Biomedical Concepts
Published on: September 20, 2018
Clinical documents: attribute-values entity representation,context, page layout and communication
Christian Lovis Lovis1, Alexander Lamb, Robert Baud
1University Hospitals of Geneva, Switzerland.
Abstract:
This paper presents how acquisition, storage and communication of clinical documents is implemented at the University Hospitals of Geneva. Careful attention has been given to user-interfaces, in order to support complex layouts, spell checking, and templates management with automatic prefilling. A dual architecture has been developed for storage using an entity-attribute-value unified database and a consolidated, patient-centered, layout-respectful file-based storage, providing both representation power and speed of access. This architecture allows a great flexibility for storing a continuum of data types, ranging from simple typed values to complex clinical reports. Finally, communication is entirely based on HTTP-XML internally, and a HL-7 CDA interface V2 is currently studied for external communication. Some of the problems encountered, mostly related to the typology of documents and the ontology of clinical attributes are evoked.
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