David Andreoff Evans (born 1948 in

St. Louis St. Louis () is the second-largest city in Missouri, United States. It sits near the confluence of the Mississippi and the Missouri Rivers. In 2020, the city proper had a population of 301,578, while the bi-state metropolitan area, which e ...

) is an American scientist in the field of

computational linguistics Computational linguistics is an Interdisciplinarity, interdisciplinary field concerned with the computational modelling of natural language, as well as the study of appropriate computational approaches to linguistic questions. In general, comput ...

, best known for his research into indexing using

natural language processing Natural language processing (NLP) is an interdisciplinary subfield of linguistics, computer science, and artificial intelligence concerned with the interactions between computers and human language, in particular how to program computers to pro ...

, and in

ontology learning Ontology learning (ontology extraction, ontology generation, or ontology acquisition) is the automatic or semi-automatic creation of ontology (information science), ontologies, including extracting the corresponding Domain of discourse, domain's te ...

, especially in

medical informatics Health informatics is the field of science and engineering that aims at developing methods and technologies for the acquisition, processing, and study of patient data, which can come from different sources and modalities, such as electronic hea ...

Education

Evans attended

Stanford University Stanford University, officially Leland Stanford Junior University, is a private research university in Stanford, California. The campus occupies , among the largest in the United States, and enrolls over 17,000 students. Stanford is consider ...

, receiving his Ph.D. in Computational Linguistics there in 1982. He attended the

Inter-University Center for Japanese Language Studies The , or IUC, is a Japanese language school located in the Minato Mirai area of Yokohama, Japan. Operated by a consortium of universities, the IUC provides advanced-level instruction to both undergraduate and graduate students and is considered ...

in 1979.

Career

He was on the faculty of

Carnegie Mellon University Carnegie Mellon University (CMU) is a private research university in Pittsburgh, Pennsylvania. One of its predecessors was established in 1900 by Andrew Carnegie as the Carnegie Technical Schools; it became the Carnegie Institute of Technology ...

from 1983 until 1996, and founded their Computational Linguistics Program and Laboratory for Computational Linguistics in 1986. Supported by a grant from

Digital Equipment Corporation Digital Equipment Corporation (DEC ), using the trademark Digital, was a major American company in the computer industry from the 1960s to the 1990s. The company was co-founded by Ken Olsen and Harlan Anderson in 1957. Olsen was president unt ...

, he led a research project on "computational-linguistic approaches to indexing and retrieval of text" (CLARIT). In September 1992, CLARIT was spun-out from Carnegie-Mellon as a company called Claritech. The technology was used to index the papers of politician

H. John Heinz III Henry John Heinz III (October 23, 1938 – April 4, 1991) was an American businessman and Republican politician from Pennsylvania. Heinz represented the Pittsburgh suburbs in the United States House of Representatives from 1971 to 1977 and ...

. Claritech became a research and development subsidiary of

JustSystems is a Japanese software development house. The company's main products were a word processor, Ichitaro ("JohnnyOne"), a Japanese input method, ATOK. In 2010s, they focus on correspondence education and enterprise software. Description JustSyste ...

and its name was changed to Clairvoyance Corporation in 1996, before becoming JustSystems Evans Research in 2007. He has made many contributions to the field of computational linguistics and information retrieval, authoring books, many research papers, and is the holder of 25 US patents. Evans was elected a Fellow of the

American College of Medical Informatics The American College of Medical Informatics (ACMI) is a college of elected fellows from the United States and abroad who have made significant and sustained contributions to the field of medical informatics. Initially incorporated in 1984, the o ...

in 1999.

References

{{DEFAULTSORT:Evans, David Andreoff 1948 births Living people Stanford University alumni Carnegie Mellon University faculty American computer scientists Linguists from the United States Computational linguistics researchers Businesspeople from Pennsylvania Natural language processing researchers