Hans Chalupsky, Ph.D.

Research Lead, Loom Knowledge Representation, Reasoning & Discovery Group

Contact: USC Information Sciences Institute 4676 Admiralty Way Marina del Rey, CA 90292-6695 U.S.A. tel: +1-310-448-8745 fax: +1-310-822-0751 email: hans @ isi . edu

Research Interests

Technology

• PowerLoom knowledge representation system
• Loom knowledge representation system
• FreebaseTools toolkit to shrink and index Google's Freebase via Lucene
• KOJAK link discovery system
• STELLA programming language for symbolic programming
• OntoMorph translation system for symbolic knowledge

Projects

• DARPA Big Mechanism
• DARPA Deep Exploration and Filtering of Text (DEFT)
• CCICADA: Command, Control, and Interoperability Center for Advanced Data Analysis

Older Projects

• RACR: Reader and Contextual Reasoner
• KOJAK: Scalable Link Discovery via Integrated Knowledge-Based and Statistical Reasoning.
• KOJAK Simplifier: Graph and Relationship Simplification
• SCEC-IT/KR&R: Knowledge Representation and Reasoning to Support Semantic Interoperability in the SCEC Community Modeling Environment (see also Southern California Earthquake Center)
• Rosetta ontology-based translation and agent communication
• The Refinery: Converting Practice into Theory.
• KR + IR: Hybrid Logic and Topic-Based Matching for Matchmaking in Human Organizations.

Publications