James Pustejovsky (born 1956) is an American computer scientist. He is the TJX Feldberg

professor Professor (commonly abbreviated as Prof.) is an Academy, academic rank at university, universities and other tertiary education, post-secondary education and research institutions in most countries. Literally, ''professor'' derives from Latin ...

computer science Computer science is the study of computation, information, and automation. Computer science spans Theoretical computer science, theoretical disciplines (such as algorithms, theory of computation, and information theory) to Applied science, ...

Brandeis University Brandeis University () is a Private university, private research university in Waltham, Massachusetts, United States. It is located within the Greater Boston area. Founded in 1948 as a nonsectarian, non-sectarian, coeducational university, Bra ...

Waltham, Massachusetts Waltham ( ) is a city in Middlesex County, Massachusetts, United States, and was an early center for the labor movement as well as a major contributor to the Technological and industrial history of the United States, American Industrial Revoluti ...

, United States. His expertise includes theoretical and computational modeling of language, specifically:

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 ...

Lexical semantics Lexical semantics (also known as lexicosemantics), as a subfield of linguistics, linguistic semantics, is the study of word meanings.Pustejovsky, J. (2005) Lexical Semantics: Overview' in Encyclopedia of Language and Linguistics, second edition, V ...

Knowledge representation Knowledge representation (KR) aims to model information in a structured manner to formally represent it as knowledge in knowledge-based systems whereas knowledge representation and reasoning (KRR, KR&R, or KR²) also aims to understand, reason, and ...

, temporal and spatial reasoning and Extraction. His main topics of research are

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 ...

generally, and in particular, the computational analysis of linguistic meaning. He holds a B.S. from MIT as well as a PhD from the

University of Massachusetts, Amherst The University of Massachusetts Amherst (UMass Amherst) is a Public university, public land-grant university, land-grant research university in Amherst, Massachusetts, United States. It is the Flagship university, flagship campus of the Univer ...

. Pustejovsky first proposed

generative lexicon Generative lexicon (GL) is a theory of linguistic semantics which focuses on the distributed nature of compositionality in natural language. The first major work outlining the framework is James Pustejovsky's 1991 article "The Generative Lexicon" ...

theory in

lexical semantics Lexical semantics (also known as lexicosemantics), as a subfield of linguistics, linguistic semantics, is the study of word meanings.Pustejovsky, J. (2005) Lexical Semantics: Overview' in Encyclopedia of Language and Linguistics, second edition, V ...

in an article published in 1991, which was further developed in his 1995 book of the same name. His other interests include temporal reasoning, event semantics, spatial language, language annotation,

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 ...

, and

machine learning Machine learning (ML) is a field of study in artificial intelligence concerned with the development and study of Computational statistics, statistical algorithms that can learn from data and generalise to unseen data, and thus perform Task ( ...

Current research

Pustejovsky's research group's current projects include the TimeML and ISO-Space projects. The TimeML project is a standard

markup language A markup language is a Encoding, text-encoding system which specifies the structure and formatting of a document and potentially the relationships among its parts. Markup can control the display of a document or enrich its content to facilitate au ...

for temporal events in a document, and has recently been adopted as ISO-TImeML by the

ISO The International Organization for Standardization (ISO ; ; ) is an independent, non-governmental, international standard development organization composed of representatives from the national standards organizations of member countries. Me ...

. ISO-Space is an ISO-directed effort to create an expressive specification for the representation of spatial information in language. His previous work included the Medstract project, an effort to extract information from

medical Medicine is the science and Praxis (process), practice of caring for patients, managing the Medical diagnosis, diagnosis, prognosis, Preventive medicine, prevention, therapy, treatment, Palliative care, palliation of their injury or disease, ...

documents using current

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 ...

technology.

References

External links

Professor Pustejovsky's website

* ttps://www.amazon.com/Generative-Lexicon-Language-Speech-Communication/dp/0262661403/ref=sr_1_3?ie=UTF8&qid=1375553964&sr=8-3&keywords=pustejovsky Pustejovsky's book on the Generative Lexicon
The TimeML project

The Medstract project
{{DEFAULTSORT:Pustejovsky, James 1956 births Living people Brandeis University faculty American computer scientists Linguists from the United States Computational linguistics researchers Generative linguistics Natural language processing researchers