DARPA Agent Markup Language (DAML) - slide "Map Overlay Representation"

create a DAML representation of a map overlay
- based on previous work in DARPA JTF ATD program
  - represent map (overlay) as an object graph
  - portable among various map rendering engines
map-ont.daml ontology
- defines Map, Layer, Point, and Line classes and associated properties
- DAML is based on RDF
  - frame-like representation
  - XML syntax
  - properties are first-class objects
  - subclasses, subproperties, etc.
- DAML adds
  - class/property restrictions
  - XML Schema datatypes
  - cardinality constraints
  - equivalentTo
  - formal semantics (for more consistent and reliable implementations)
  - ...
- more detailed language comparison is available here
- ontology visualization
  - dumpont
  - GraphViz/SVG (soon)
  - UML (soon)
cretemap.daml instances
- graph representation
plan to publish as DAML Map
Dan Connolly of W3C has developed an analogous DAML ontology for describing graphs