Arabic Corpus Linguistics and Related Tools

doi:10.1017/9781108277327.020

19 - Arabic Corpus Linguistics and Related Tools

An Overview and Some Critical Observations

from Part IV - Arabic Computational and Corpus Linguistics

Published online by Cambridge University Press: 23 September 2021

Mark Van Mol

Edited by

Karin Ryding and

David Wilmsen

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Karin Ryding: Affiliation:
Georgetown University, Washington DC
David Wilmsen: Affiliation:
American University of Beirut

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Summary

Mark Van Mol provides a critical review of the issues involved in the construction of usable Arabic corpora and the solutions that programmers have attempted in resolving them. One such issue is whether a corpus is made freely available or is placed behind a paywall. This distinction often translates into corpus size, as well, with freely available corpora generally being larger and untagged for parts of speech (POS) and those hidden behind paywalls being smaller and POS-tagged. The reason for this is clear: POS tagging requires large amounts of painstaking labour; on the other hand, scouring large amounts of text from the Internet with web scrubber applications can be done in seconds. As for corpus size, different qualifications make it difficult to compare. Size may be expressed in the number of articles, hours, tokens, kilobytes, megabytes, sentences, words, and sometimes paragraphs that the corpus encompasses. One of the reasons for this is that defining the searchable units of Arabic texts presents complications. Such considerations pertain directly to questions of corpus representativeness. With that arises the question of the nature of the phenomenon under scrutiny, whether the corpora are intended to represent Classical Arabic, modern written Arabic, or Arabic dialects.

Keywords

corpus linguistics Arabic corpora size of corpora POS tagging morphological analysers annotation of corpora

Type: Chapter
Information: The Cambridge Handbook of Arabic Linguistics , pp. 446 - 472

DOI: https://doi.org/10.1017/9781108277327.020 [Opens in a new window]

Publisher: Cambridge University Press

Print publication year: 2021

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