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Part II. Phased Implementation Plan for DMACº Level of Effort: FTE (TBD)º Duration: A candidate semantic data model should be developed within 6 months of projectinitiation. There will likely be additions/modifications to the semantic data model overthe next two years as it becomes more heavily exercised and as a result of some of the pilotefforts discussed below.º Start: Immediately.º Category: Subcontract, Metadata Standards 10 , OBIS, OGIS, OPeNDAP. The group that putsthis model and the various components together must include the data representation issuescommunity very broadly. It should include representatives from each of the oceanographicsub-disciplines (biology, physics, chemistry, and geology), from GIS community(OGIS, ESRI, EaSY, etc.), from the ocean modeling community (GCM, coastal and finiteelement), and from the data collection communities—satellite (projections, swath), and insitu (hydrographic, moorings, floats).- Task 3: Develop a controlled vocabulary for system contents.º Approach: Adopt as a starting point the controlled vocabulary developed by the MarineXML consortium.º Level of Effort: FTE (TBD)º Duration: 6 months.º Start: Immediately.º Category: Subcontract, Metadata Standards, OBIS, OPeNDAP, and national and internationalmetadata standards. The group that assembles the controlled vocabulary must includebroad representation from the community of ocean data users: biologists, chemists,geologists, physicists, community planners, etc.- Task 4: Synthesize the work of Tasks 1 and 2 into a complete data model.º Special Considerations:• This task involves the assembly of the syntactic and semantic data models into a completedata model; i.e., linkages between the data model components in the two must beestablished. This work may require the addition of data types to the syntactic data model.• Pilot implementations designed to exercise the data model are discussed under Milestone2.º Level of Effort: FTE (TBD)º Duration: 9 months.º Start: 6 months.º Category: Subcontract, OPeNDAP, OBIS.10Metadata Standards refers to the IOOS Metadata Standards group.86