Arabic Treebank: Part 3 v 1.0 was produced by Linguistic Data
Consortium (LDC) catalog number LDC2004T11 and ISBN 1-58563-298-8.
This publication is the third part of a corpus of 1,000,000 words of Arabic Treebank, designed to support language resear
ch and development of language technology for Modern Standard Arabic.
Part one was released in 2003 as Arabic Treebank: Part 1 v 2.0, having the source data extracted from Agence France Press stories.
Part two was released in 2004 as Arabic
Treebank: Part 2 v 2.0, having the source data extracted from Al-Hayat distributed by Ummah. The current Arabic Treebank: Part 3
v 1.0 corpus consists of stories from An Nahar News Agency.
This corpus includes 600 stories from the An Nahar News Text. There
are a total of 340,281 words (counting non-Arabic tokens such as numbers and
punctuation) in the 600 files - one story per file. New features of annotation
include complete vocalization (including case endings), lemma IDs, and
more specific POS tags for verbs and particles.
The corpus contains 293,035 Arabic-only word tokens (prior to the
separation of clitics), of which 290,842 (99.25%) were provided with an
acceptable morphological analysis and POS tag by the morphological parser,
and 2,193 (0.75%) were items that the morphological parser failed to analyze
There are no updates available at this time.
Portions © 2002 An Nahar, © 2003, 2004 Trustees of the University of Pennsylvania