I think we need to say something in the data model about what a root node is. Is it just a distinguishing marker, a boolean (isRoot), of possible use to an application? Does the model constrain placement of roots relative to other nodes in a graph? ------------------------------------------------------------------ Noah Mendelsohn Voice: 1-617-693-4036 IBM Corporation Fax: 1-617-693-8676 One Rogers Street Cambridge, MA 02142 ------------------------------------------------------------------Received on Tuesday, 23 April 2002 21:54:06 GMT
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