While the “scandal” of the hacked CRU emails has led blog coverage, the topic doesn’t make the top 5 in the mainstream media, according to Media Watch. Click to enlarge.

To track and visualize the main topics of the upcoming climate summit in Copenhagen, the portal processes and filters hundred thousands of Web documents. Using automated content analysis it extracts geospatial context and builds a geotagged knowledge base. The interface provides various means to interactively access this knowledge base. It shows that geobrowsers are not only suited to explore geographic features, but can also render other types of imagery such as three-dimensional Knowledge Planets.

The visual information exploration and retrieval interface includes geographic displays, domain ontologies, tag clouds, maps of document clusters, and information retrieval agents suggesting documents about similar topics and nearby locations.

A semantic map. Click to enlarge.

The new release of the Web portal features an increased update frequency (four times a day), a higher precision in identifying relevant material, improved performance of the underlying semantic search algorithms, the real-time visualization of semantic associations between popular terms as well as automated summaries of all documents contained in the knowledge base.