IntelLEO is the project that aims to explore supportive technologies for learning and knowledge building activities of learners in Intelligent Learning Extended Organisations. I am participating in the development of an ontological framework API to support the IntelLEO paradigm (see more).
Resys is Semantic Web Application for searching/browsing freely available learning systems, tools and services. It includes building (RDF) repository with descriptions (metadata) of the publicly available, free learning systems/tools/services; these descriptions are based on LearingTool ontology; also includes building a Web interface for searching and browsing the repository. BSc thesis project.
Smiley Ontology People use emoticons every day as the easiest and most interesting way to express their emotions, state, or action. But their use is limited for many reasons. Smiley Ontology is an ontology that aims to enable interchange of emoticons between different systems, without any loss of their semantics, as well as to allow for captureing and formal representation of semantics of emotions and emotional states that are widely spread across the Web. For more information visit SO official wiki.