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[ontolog-forum] What goes into a Lexicon?

To: ontolog-forum@xxxxxxxxxxxxxxxx
From: John Bottoms <john@xxxxxxxxxxxxxxxxxxxx>
Date: Sun, 19 Feb 2012 01:45:21 -0500
Message-id: <4F409A81.9070204@xxxxxxxxxxxxxxxxxxxx>
re: Publisher's notes for book on Amazon ("Studies in Natural Language Processing", CambridgeU)

The publisher, and maybe the author, says that the lexicon contains concepts. I had expected to see terms and maybe proper nouns. I don't understand how you can have a concept in isolation in a lexicon. It seems that if it does not have relations and constrains specified then it is not really a concept.

And, if it is an entity that is not classified, then it should be found in the "indeterminate" universal.
We do need some consistency in terminology and usage.

Publisher's Note
The relation between ontologies and language is currently at the forefront of natural language processing (NLP). Ontologies, as widely used models in semantic technologies, have much in common with the lexicon. A lexicon organizes words as a conventional inventory of concepts, while an ontology formalizes concepts and their logical relations. A shared lexicon is the prerequisite for knowledge-sharing through language, and a shared ontology is the prerequisite for knowledge-sharing through information technology. In building models of language, computational linguists must be able to accurately map the relations between words and the concepts that they can be linked to. This book focuses on the technology involved in enabling integration between lexical resources and semantic technologies. It will be of interest to researchers and graduate students in NLP, computational linguistics, and knowledge engineering, as well as in semantics, psycholinguistics, lexicology and morphology/syntax.

-John Bottoms
 First Star Systems
 Concord, MA


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