About Patrick Ehlen
Patrick Ehlen, Ph.D., is chief scientist at Loop AI Labs. He specializes in representation learning for semantics, pragmatics, and concept acquisition. He developed natural language and context resolution technologies at AT&T Labs and worked on methods to extract concepts and topics from ordinary spontaneous conversations among people as part of the DARPA CALO project at CSLI/Stanford. He has produced 45 research publications in the areas of computational semantics, cognitive linguistics, psycholinguistics, word sense disambiguation, and human concept learning. He lives in San Francisco.