Media Watch on Climate Change

To increase awareness and the availability of environmental information, the Media Watch on Climate Change provides a comprehensive and continuously updated account of online media coverage on climate change and related issues. The portal aggregates, filters and visualizes environmental content from the Web sites of various stakeholders: 150 Anglo-American news media sites, blogs, environmental organizations, and the Fortune 1000 companies.

Acquiring, managing and applying knowledge are crucial steps in addressing environmental issues effectively, and ensuring that change is conceived and implemented on both regional and society-wide scales. This resonates well with the vision of a Geospatial Web that promotes the convergence of geographic information, Internet technology and social change. Taking a step towards this vision, the Media Watch on Climate Change uses automated content analysis to extract geospatial context and build a geotagged knowledge base. The interface provides various means to interactively access this knowledge base. It shows that geospatial clients are not only suited to explore geographic features, but can also render other types of imagery such as semantic maps, ontologies and tag clouds.

Project Team. Based on the Gentics J2EE platform, the current prototype has been jointly developed by S. Kamran Ali Ahmad (knowledge planet), A.Dickinger (usability studies), J. Duong (document pre-processing, geotagging service), S. Gindl (sentiment detection), A. Hubmann-Haidvogel (portal front-end and synchronization), H.-P. Lang (geotagging service, ontology map), J. Liegl (sentiment detection), W. Rafelsberger (tag cloud), A. Scharl (project lead), H. Stern (geotagging service), A. Weichselbraun (technical lead), G. Wohlgenannt (system architecture), and D. Zibold (ontology map). The semantic map's force-directed placement and rendering algorithms have jointly been developed together with V. Sabol and M. Muhr from Know-Center Graz.

Acknowledgement. The Media Watch on Climate Change has been developed as part of the IDIOM and RAVEN research projects, funded by the Federal Ministry of Transport, Innovation and Technology and the Austrian Research Promotion Agency within the strategic objective FIT-IT Semantic Systems. The consortium partners behind the project share an interest in the determinants and impacts of anthropogenic climate change, and in the potential of new media to support communication and collaboration in virtual communities. Active collaboration with environmental organizations will help align the platform with the needs of various stakeholders operating at the crossroads of sustainability and information technology.

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