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Modeling Units of Measurement

Article, was published by Xuân Baldauf at 2010-09-30

This article is about how units of measurement can be handled under the restrictions of the TMDM.

Units of measurement are used everywhere where quantities are stored, albeit often only implicitly or even tacitly. Current topic maps are no exception. However, the nature of Topic Maps — to provide explicit disclosure in general — asks for explicit disclosure of the applicable unit of measurement of a given quantity in particular. The TMDM has no special support for units. This paper looks into how units can be used consistently within Topic Maps, and how a units topic map can be auto-generated using a Ruby DSL.


Xuân Baldauf

No contact information available. 


Xuân is involved in TM4J TopicMap Engine.


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As a former information scientist, I am fascinated since 1999 by the capabilities for building Topic Maps-based knowledge systems having the potential to augment human mind. One can model arbitrary knowledge organization systems, deal with semantic heterogeneity, collocate all facts about one subject in one logical place, and with TMQL have semantic retrieval on federated semantic networks. Therefore I expect bright prospects for business concepts building on the exchange of such knowledge snippets via semantic knowledge services.

Alexander Sigel
Topic Maps Lab auf der Cebit 2011

Graduate from the Topic Maps Lab