We present Aardvark, a social search engine. With Aardvark, users ask a question, either by instant message, email, web input, text message, or voice. Aardvark then routes the que...
The “small world” phenomenon, i.e., the fact that the global social network is strongly connected in the sense that every two persons are inter-related through a small chain o...
We present SOBOLEO, a system for the webbased collaborative engineering of SKOS ontologies and annotation of web resources. SOBOLEO enables the simple creation, extension and main...
For my dissertation, I am designing, implementing and evaluating the use of a new kind of "authorable" virtual peer that allows children with autism to learn about recip...
In this paper, we present the results of an investigation into methodologies and technical solutions for exposing the structured metadata contained within digital qualitative data...