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Middleware Gazetteer Integration Architecture

Learn about the Middleware Gazetteer Integration Architecture and Gazetteer Data Model, including query options with placename or coordinate constraints. Understand the unique naming and spatial restrictions in this comprehensive system.

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Middleware Gazetteer Integration Architecture

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  1. has multiple coverage placename name name coordinates may have multiple Middleware–Gazetteer Integration Architecture Gazetteer Data Model query w/ placename constraint middleware gazetteer query w/ coordinate constraint collection driver Restrictions: 1. Names must be unique within a coverage 2. Non-point placenames must be described as regions <!ELEMENT spatial-constraint (bucket, operator, (box | polygon | placename))> <!ELEMENT placename (placename?)> <!ATTLIST placename coverage CDATA #REQUIRED name CDATA #REQUIRED> <placename coverage=“countries” name=“United States”> <placename coverage=“ZIP codes” name=“93106”/> </placename> Greg Janée 3/28/00

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