David Andreoff Evans (born 1948 in
St. Louis
St. Louis ( , sometimes referred to as St. Louis City, Saint Louis or STL) is an independent city in the U.S. state of Missouri. It lies near the confluence of the Mississippi and the Missouri rivers. In 2020, the city proper had a populatio ...
) is an American scientist in the field of
computational linguistics
Computational linguistics is an interdisciplinary field concerned with the computational modelling of natural language, as well as the study of appropriate computational approaches to linguistic questions. In general, computational linguistics ...
, best known for his research into indexing using
natural language processing
Natural language processing (NLP) is a subfield of computer science and especially artificial intelligence. It is primarily concerned with providing computers with the ability to process data encoded in natural language and is thus closely related ...
, and in
ontology learning, especially in
medical informatics
Health informatics combines communications, information technology (IT), and health care to enhance patient care and is at the forefront of the medical technological revolution. It can be viewed as a branch of engineering and applied science.
...
.
Education
Evans attended
Stanford University
Leland Stanford Junior University, commonly referred to as Stanford University, is a Private university, private research university in Stanford, California, United States. It was founded in 1885 by railroad magnate Leland Stanford (the eighth ...
, receiving his Ph.D. in Computational Linguistics there in 1982.
He attended the
Inter-University Center for Japanese Language Studies in 1979.
Career
He was on the faculty of
Carnegie Mellon University
Carnegie Mellon University (CMU) is a private research university in Pittsburgh, Pennsylvania, United States. The institution was established in 1900 by Andrew Carnegie as the Carnegie Technical Schools. In 1912, it became the Carnegie Institu ...
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 until ...
, 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 politician who served as a United States senator from Pennsylvania from 1977 until his death in 1991. An heir to the Heinz family fortune, Heinz ente ...
.
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 (word processor), Ichitaro ("JohnnyOne"), a Japanese input method, ATOK. In 2010s, they focus on correspondence education and enterprise softwa ...
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