Category Archives: Publications

Formalizing the Informal: A Confluence of Concept Mapping and the Semantic Web

Abstract:

Concept Maps are seen as ways to conceptualize domains that can be comprehended within the human attention span, and are often based on terminologies arising in technical, scientific or engineering domains. We report on a set of related projects that go beyond this tradition in two ways: by connecting CmapTools to the new, machine-processable standard notations for formal Web meta-data (RDF and OWL), and by applying the resulting tools to the construction of Web markup for works of art. This domain provides a semantically-rich case study because descriptions of artwork inherently contain a mix of artifacts, some of which can easily be formalized (creator, title, creation date, etc.) and some of which express meanings about the work that are more difficult to formalize.

Formalization of knowledge about works of art could benefit web developers by giving greater organization to these types of resources on the internet. It will also help foster the development of ontologies in other, similarly rich and challenging domains. A CmapTools extension called CmapTools Ontology Editor (COE) translates RDF and OWL to and from Concept Maps, providing a bridge between the worlds of human-oriented Concept Mapping and machine-oriented formal inference. Because of the strengths in CmapTools to provide a specific method for capturing meanings and concepts, we believe that the COE extension can provide the means for formalizing this conceptually challenging domain that involves an artist’s interpretation of the intentions and motivations behind their artwork.

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A Lightweight Ontology for Describing Images

Abstract:

This is a brief, early slide-share of a talk that I gave with Pat Hayes at AAAI Symposium on Linked Data in 2010 at Stanford University. 

One aspect of the Semantic Web activity is the emergence of ‘linked data’, a world-wide system of links between large-scale data sets all expressed using “lightweight” ontological techniques.

For some time, we have been investigating formal ways to express what artists say about the images they create, starting with concept maps and moving towards more formal descriptions.

These two activities come together in the design of a basic ontology for expressing properties of images and how they relate to their creation and the things they depict. In this talk we outline this ontology, with examples, and show how it can be used to fine-tune image search.

View the Warren Hayes Ai Symposium “working draft” on SlideShare, or simply the embedded presentation below.


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