This paper presents the case of Arinia, a custommade piece of social software with strong similarities to today’s microblogging applications. Arinia has been in use in a medium-...
We study the problem of schema evolution in the RDF data model. RDF and the RDFS schema language are W3C standards for flexibly modeling and sharing data on the web. Although sch...
Just as actions can have indirect effects on the state of the world, so too can sensing actions have indirect effects on an agent's state of knowledge. In this paper, we inve...
Knowledge engineering relies on a unified effort of two components for success: 1) a strong expert knowledge back-end, and 2) an effective user interface. We address the latter is...
Victor Chou Hung, Avelino J. Gonzalez, Ronald F. D...
Inspired by “GoogleTM Sets” and Bayesian sets, we consider the problem of retrieving complex objects and relations among them, i.e., ground atoms from a logical concept, given...