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NCHLT isiZulu POS and Lemma annotated corpus
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Date
2026-03-31
Authors
Gaustad, Tanja
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North-West University - Centre for Text Technology (CTexT)
Abstract
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NCHLT corpora with tokens lemmatised and converted to POS tags used during the SADiLaR-II project for isiZulu. The POS tag conversion results have been thoroughly quality controlled by linguistic experts. Part of the multilingual NCHLT data set where each text type data file contains approximately 45,000 tokens for the conjunctive languages and 75,000 tokens for the disjunctive languages.
isiZulu dataset (Lemma, POS annotated) TRAIN: 41,580 tokens; TEST: 4,341 tokens; Total: 45,921 tokens
Please see the included protocols for more details on the POS tags used and on the lemmatisation process.
The data is given as txt files where each line contains a token, the corresponding lemma, morphological analysis and POS tag, all tab separated. The morphological information originates from a previous project "SADiLaR II (Extension): Linguistic corpus enrichment for South African languages" (see handles below for the data with only morphological analysis included).
The data has been split into Train and Test sets according to the original NCHLT data (see handles below for the original NCHLT data).
NB: There can be tokenisation differences between this release of the NCHLT data, the original data and the morphologically annotated data due to corrections.
Morphological information included from:
Morphologically annotated corpus for isiZulu https://hdl.handle.net/20.500.12185/678
Original NCHLT data:
NCHLT isiZulu Annotated Text Corpora https://hdl.handle.net/20.500.12185/315
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Creative Commons Attribution 4.0 International
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