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Q: A model for topic maps. Unifying RDF and topic maps

Paper, was published by Lars Marius Garshol at 2005-08-03

This paper describes a formal model for topic maps called Q.

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This paper proposes a simple formal model for topic maps called the Q model, which can informally be thought of as RDF triples extended with a fourth element representing the identity of the triple, and a fifth element representing the context. This enables the model to efficiently represent statements about other statements, which is the key to being able to represent topic maps compactly. It also enables the model to make each statement unique in the model. Q can thus be used to efficiently implement combined topic map/RDF engines.


Lars Marius Garshol

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Lars Marius is project leader of TM Photo, Topic Maps Tools, and duke - fast deduplication.. .


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Topic Maps is an excellent paradigm to support human thinking and to visualize networked information. As part of my PhD project, I therefore chose Topic Maps as the conceptual foundation for designing and implementing a software prototype for semantic knowledge retrieval.

Stefan Smolnik
Topic Maps Lab auf der Cebit 2011

Graduate from the Topic Maps Lab