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What is Sub-Word Unit

Chapter 215

Modelling unit smaller than a word. Sub-word units are usually morphemes, stems and endings, roots, etc.

Published in Chapter:

Statistical Modelling of Highly Inflective Languages

Mirjam Sepesy Maucec (University of Maribor, Slovenia) and Zdravko Kacic (University of Maribor, Slovenia)

Source Title: Encyclopedia of Artificial Intelligence

DOI: 10.4018/978-1-59904-849-9.ch215

Abstract

A language model is a description of language. Although grammar has been the prevalent tool in modelling language for a long time, interest has recently shifted towards statistical modelling. This chapter refers to speech recognition experiments, although statistical language models are applicable over a wide-range of applications: machine translation, information retrieval, etc. Statistical modelling attempts to estimate the frequency of word sequences.

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