Datasets:

dsfsi
/

vukuzenzele-sentence-aligned

---
language:
- eng
- afr
- nbl
- xho
- zul
- sot
- nso
- tsn
- ssw
- ven
- tso
license: cc-by-4.0
task_categories:
- sentence-similarity
- translation
pretty_name: The Vuk'uzenzele South African Multilingual Corpus
tags:
- multilingual
- government
arxiv: 2303.0375
configs:
- config_name: afr-eng
  data_files:
  - split: train
    path: afr-eng/train-*
  - split: test
    path: afr-eng/test-*
  - split: eval
    path: afr-eng/eval-*
- config_name: afr-nbl
  data_files:
  - split: train
    path: afr-nbl/train-*
  - split: test
    path: afr-nbl/test-*
  - split: eval
    path: afr-nbl/eval-*
- config_name: afr-nso
  data_files:
  - split: train
    path: afr-nso/train-*
  - split: test
    path: afr-nso/test-*
  - split: eval
    path: afr-nso/eval-*
- config_name: afr-sot
  data_files:
  - split: train
    path: afr-sot/train-*
  - split: test
    path: afr-sot/test-*
  - split: eval
    path: afr-sot/eval-*
- config_name: afr-ssw
  data_files:
  - split: train
    path: afr-ssw/train-*
  - split: test
    path: afr-ssw/test-*
  - split: eval
    path: afr-ssw/eval-*
- config_name: afr-tsn
  data_files:
  - split: train
    path: afr-tsn/train-*
  - split: test
    path: afr-tsn/test-*
  - split: eval
    path: afr-tsn/eval-*
- config_name: afr-tso
  data_files:
  - split: train
    path: afr-tso/train-*
  - split: test
    path: afr-tso/test-*
  - split: eval
    path: afr-tso/eval-*
- config_name: afr-ven
  data_files:
  - split: train
    path: afr-ven/train-*
  - split: test
    path: afr-ven/test-*
  - split: eval
    path: afr-ven/eval-*
- config_name: afr-xho
  data_files:
  - split: train
    path: afr-xho/train-*
  - split: test
    path: afr-xho/test-*
  - split: eval
    path: afr-xho/eval-*
- config_name: afr-zul
  data_files:
  - split: train
    path: afr-zul/train-*
  - split: test
    path: afr-zul/test-*
  - split: eval
    path: afr-zul/eval-*
- config_name: default
  data_files:
  - split: train
    path: data/train-*
  - split: test
    path: data/test-*
- config_name: eng-nbl
  data_files:
  - split: train
    path: eng-nbl/train-*
  - split: test
    path: eng-nbl/test-*
  - split: eval
    path: eng-nbl/eval-*
- config_name: eng-nso
  data_files:
  - split: train
    path: eng-nso/train-*
  - split: test
    path: eng-nso/test-*
  - split: eval
    path: eng-nso/eval-*
- config_name: eng-sot
  data_files:
  - split: train
    path: eng-sot/train-*
  - split: test
    path: eng-sot/test-*
  - split: eval
    path: eng-sot/eval-*
- config_name: eng-ssw
  data_files:
  - split: train
    path: eng-ssw/train-*
  - split: test
    path: eng-ssw/test-*
  - split: eval
    path: eng-ssw/eval-*
- config_name: eng-tsn
  data_files:
  - split: train
    path: eng-tsn/train-*
  - split: test
    path: eng-tsn/test-*
  - split: eval
    path: eng-tsn/eval-*
- config_name: eng-tso
  data_files:
  - split: train
    path: eng-tso/train-*
  - split: test
    path: eng-tso/test-*
  - split: eval
    path: eng-tso/eval-*
- config_name: eng-ven
  data_files:
  - split: train
    path: eng-ven/train-*
  - split: test
    path: eng-ven/test-*
  - split: eval
    path: eng-ven/eval-*
- config_name: eng-xho
  data_files:
  - split: train
    path: eng-xho/train-*
  - split: test
    path: eng-xho/test-*
  - split: eval
    path: eng-xho/eval-*
- config_name: eng-zul
  data_files:
  - split: train
    path: eng-zul/train-*
  - split: test
    path: eng-zul/test-*
  - split: eval
    path: eng-zul/eval-*
- config_name: nbl-nso
  data_files:
  - split: train
    path: nbl-nso/train-*
  - split: test
    path: nbl-nso/test-*
  - split: eval
    path: nbl-nso/eval-*
- config_name: nbl-sot
  data_files:
  - split: train
    path: nbl-sot/train-*
  - split: test
    path: nbl-sot/test-*
  - split: eval
    path: nbl-sot/eval-*
- config_name: nbl-ssw
  data_files:
  - split: train
    path: nbl-ssw/train-*
  - split: test
    path: nbl-ssw/test-*
- config_name: nbl-tsn
  data_files:
  - split: train
    path: nbl-tsn/train-*
  - split: test
    path: nbl-tsn/test-*
- config_name: nbl-tso
  data_files:
  - split: train
    path: nbl-tso/train-*
  - split: test
    path: nbl-tso/test-*
- config_name: nbl-ven
  data_files:
  - split: train
    path: nbl-ven/train-*
  - split: test
    path: nbl-ven/test-*
- config_name: nbl-xho
  data_files:
  - split: train
    path: nbl-xho/train-*
  - split: test
    path: nbl-xho/test-*
- config_name: nbl-zul
  data_files:
  - split: train
    path: nbl-zul/train-*
  - split: test
    path: nbl-zul/test-*
- config_name: nso-sot
  data_files:
  - split: train
    path: nso-sot/train-*
  - split: test
    path: nso-sot/test-*
- config_name: nso-ssw
  data_files:
  - split: train
    path: nso-ssw/train-*
  - split: test
    path: nso-ssw/test-*
- config_name: nso-tsn
  data_files:
  - split: train
    path: nso-tsn/train-*
  - split: test
    path: nso-tsn/test-*
- config_name: nso-tso
  data_files:
  - split: train
    path: nso-tso/train-*
  - split: test
    path: nso-tso/test-*
- config_name: nso-ven
  data_files:
  - split: train
    path: nso-ven/train-*
  - split: test
    path: nso-ven/test-*
- config_name: nso-xho
  data_files:
  - split: train
    path: nso-xho/train-*
  - split: test
    path: nso-xho/test-*
- config_name: nso-zul
  data_files:
  - split: train
    path: nso-zul/train-*
  - split: test
    path: nso-zul/test-*
- config_name: sot-ssw
  data_files:
  - split: train
    path: sot-ssw/train-*
  - split: test
    path: sot-ssw/test-*
- config_name: sot-tsn
  data_files:
  - split: train
    path: sot-tsn/train-*
  - split: test
    path: sot-tsn/test-*
- config_name: sot-tso
  data_files:
  - split: train
    path: sot-tso/train-*
  - split: test
    path: sot-tso/test-*
- config_name: sot-ven
  data_files:
  - split: train
    path: sot-ven/train-*
  - split: test
    path: sot-ven/test-*
- config_name: sot-xho
  data_files:
  - split: train
    path: sot-xho/train-*
  - split: test
    path: sot-xho/test-*
- config_name: sot-zul
  data_files:
  - split: train
    path: sot-zul/train-*
  - split: test
    path: sot-zul/test-*
- config_name: ssw-tsn
  data_files:
  - split: train
    path: ssw-tsn/train-*
  - split: test
    path: ssw-tsn/test-*
- config_name: ssw-tso
  data_files:
  - split: train
    path: ssw-tso/train-*
  - split: test
    path: ssw-tso/test-*
- config_name: ssw-ven
  data_files:
  - split: train
    path: ssw-ven/train-*
  - split: test
    path: ssw-ven/test-*
- config_name: ssw-xho
  data_files:
  - split: train
    path: ssw-xho/train-*
  - split: test
    path: ssw-xho/test-*
- config_name: ssw-zul
  data_files:
  - split: train
    path: ssw-zul/train-*
  - split: test
    path: ssw-zul/test-*
- config_name: tsn-tso
  data_files:
  - split: train
    path: tsn-tso/train-*
  - split: test
    path: tsn-tso/test-*
- config_name: tsn-ven
  data_files:
  - split: train
    path: tsn-ven/train-*
  - split: test
    path: tsn-ven/test-*
- config_name: tsn-xho
  data_files:
  - split: train
    path: tsn-xho/train-*
  - split: test
    path: tsn-xho/test-*
- config_name: tsn-zul
  data_files:
  - split: train
    path: tsn-zul/train-*
  - split: test
    path: tsn-zul/test-*
- config_name: tso-ven
  data_files:
  - split: train
    path: tso-ven/train-*
  - split: test
    path: tso-ven/test-*
- config_name: tso-xho
  data_files:
  - split: train
    path: tso-xho/train-*
  - split: test
    path: tso-xho/test-*
- config_name: tso-zul
  data_files:
  - split: train
    path: tso-zul/train-*
  - split: test
    path: tso-zul/test-*
- config_name: ven-xho
  data_files:
  - split: train
    path: ven-xho/train-*
  - split: test
    path: ven-xho/test-*
- config_name: ven-zul
  data_files:
  - split: train
    path: ven-zul/train-*
  - split: test
    path: ven-zul/test-*
- config_name: xho-zul
  data_files:
  - split: train
    path: xho-zul/train-*
  - split: test
    path: xho-zul/test-*
dataset_info:
- config_name: afr-eng
  features:
  - name: afr
    dtype: string
  - name: eng
    dtype: string
  - name: score
    dtype: float64
  - name: __index_level_0__
    dtype: int64
  splits:
  - name: train
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    num_examples: 2660
  - name: test
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    num_examples: 570
  - name: eval
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    num_examples: 571
  download_size: 757198
  dataset_size: 1137306
- config_name: afr-nbl
  features:
  - name: afr
    dtype: string
  - name: nbl
    dtype: string
  - name: score
    dtype: float64
  - name: __index_level_0__
    dtype: int64
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    num_examples: 723
  - name: test
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    num_examples: 155
  - name: eval
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    num_examples: 155
  download_size: 279950
  dataset_size: 399271
- config_name: afr-nso
  features:
  - name: afr
    dtype: string
  - name: nso
    dtype: string
  - name: score
    dtype: float64
  - name: __index_level_0__
    dtype: int64
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  - name: train
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    num_examples: 2937
  - name: test
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    num_examples: 630
  - name: eval
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    num_examples: 630
  download_size: 892392
  dataset_size: 1398549
- config_name: afr-sot
  features:
  - name: afr
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  - name: sot
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  - name: score
    dtype: float64
  - name: __index_level_0__
    dtype: int64
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    num_examples: 2968
  - name: test
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    num_examples: 636
  - name: eval
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    num_examples: 636
  download_size: 901006
  dataset_size: 1392912
- config_name: afr-ssw
  features:
  - name: afr
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  - name: ssw
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  - name: score
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  - name: __index_level_0__
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  - name: test
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    num_examples: 652
  - name: eval
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  download_size: 927666
  dataset_size: 1393772
- config_name: afr-tsn
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  - name: tsn
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  - name: score
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  - name: __index_level_0__
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  - name: test
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    num_examples: 607
  - name: eval
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    num_examples: 607
  download_size: 913596
  dataset_size: 1443032
- config_name: afr-tso
  features:
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  - name: tso
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  - name: score
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  - name: __index_level_0__
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  - name: test
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    num_examples: 633
  - name: eval
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    num_examples: 633
  download_size: 902666
  dataset_size: 1405022
- config_name: afr-ven
  features:
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  - name: ven
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  - name: eval
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  download_size: 323825
  dataset_size: 499976
- config_name: afr-xho
  features:
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  - name: xho
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  - name: score
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  - name: __index_level_0__
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  - name: test
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  - name: eval
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  download_size: 944334
  dataset_size: 1401670
- config_name: afr-zul
  features:
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  - name: zul
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  - name: score
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  - name: __index_level_0__
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    num_examples: 660
  - name: eval
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  download_size: 932565
  dataset_size: 1392399
- config_name: default
  features:
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  - name: nso
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  - name: score
    dtype: float64
  - name: __index_level_0__
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    num_examples: 315
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  dataset_size: 159957
- config_name: eng-nbl
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  - name: nbl
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  - name: score
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  - name: __index_level_0__
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  - name: test
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    num_examples: 45
  - name: eval
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    num_examples: 45
  download_size: 89654
  dataset_size: 110551
- config_name: eng-nso
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  - name: score
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  - name: eval
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  download_size: 770909
  dataset_size: 1213416
- config_name: eng-sot
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  - name: eval
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  download_size: 776145
  dataset_size: 1205484
- config_name: eng-ssw
  features:
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  - name: __index_level_0__
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  - name: test
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  - name: eval
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  download_size: 777951
  dataset_size: 1182776
- config_name: eng-tsn
  features:
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  - name: test
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    num_examples: 539
  - name: eval
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  download_size: 786563
  dataset_size: 1258877
- config_name: eng-tso
  features:
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  - name: test
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  - name: eval
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  download_size: 773662
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- config_name: eng-ven
  features:
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  - name: eval
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  download_size: 119271
  dataset_size: 165963
- config_name: eng-xho
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  - name: eval
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  download_size: 784961
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- config_name: eng-zul
  features:
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  - name: eval
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    num_examples: 567
  download_size: 767836
  dataset_size: 1162153
- config_name: nbl-nso
  features:
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  - name: nso
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  - name: score
    dtype: float64
  - name: __index_level_0__
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  - name: test
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    num_examples: 59
  - name: eval
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    num_examples: 60
  download_size: 118816
  dataset_size: 159957
- config_name: nbl-sot
  features:
  - name: nbl
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  - name: sot
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  - name: score
    dtype: float64
  - name: __index_level_0__
    dtype: int64
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  - name: test
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    num_examples: 78
  - name: eval
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    num_examples: 79
  download_size: 152576
  dataset_size: 212460
- config_name: nbl-ssw
  features:
  - name: nbl
    dtype: string
  - name: ssw
    dtype: string
  - name: score
    dtype: float64
  - name: __index_level_0__
    dtype: int64
  splits:
  - name: train
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    num_examples: 443
  - name: test
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    num_examples: 111
  download_size: 0
  dataset_size: 212812
- config_name: nbl-tsn
  features:
  - name: nbl
    dtype: string
  - name: tsn
    dtype: string
  - name: score
    dtype: float64
  - name: __index_level_0__
    dtype: int64
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    num_examples: 345
  - name: test
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    num_examples: 87
  download_size: 132852
  dataset_size: 193493
- config_name: nbl-tso
  features:
  - name: nbl
    dtype: string
  - name: tso
    dtype: string
  - name: score
    dtype: float64
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---

# The Vuk'uzenzele South African Multilingual Corpus

Github: [https://github.com/dsfsi/vukuzenzele-nlp/](https://github.com/dsfsi/vukuzenzele-nlp/)

Zenodo: [![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.7598539.svg)](https://doi.org/10.5281/zenodo.7598539)

Arxiv Preprint: [![arXiv](https://img.shields.io/badge/arXiv-2303.03750-b31b1b.svg)](https://arxiv.org/abs/2303.03750)

Give Feedback 📑: [DSFSI Resource Feedback Form](https://docs.google.com/forms/d/e/1FAIpQLSf7S36dyAUPx2egmXbFpnTBuzoRulhL5Elu-N1eoMhaO7v10w/formResponse)

# About
The dataset was obtained from the South African government magazine Vuk'uzenzele, created by the [Government Communication and Information System (GCIS)](https://www.gcis.gov.za/). 
The original raw PDFS were obtatined from the [Vuk'uzenzele website](https://www.vukuzenzele.gov.za/).

The datasets contain government magazine editions in 11 languages, namely:

|  Language  | Code  |  Language  | Code |
|------------|-------|------------|-------|
| English    | (eng) | Sepedi     | (sep) |
| Afrikaans  | (afr) | Setswana   | (tsn) |
| isiNdebele | (nbl) | Siswati    | (ssw) |
| isiXhosa   | (xho) | Tshivenda  | (ven) |
| isiZulu    | (zul) | Xitstonga  | (tso) |
| Sesotho    | (nso) |

## Available pairings

The alignment direction is bidrectional, i.e. xho-zul is zul-xho

afr-eng; afr-nbl; afr-nso; afr-sot; afr-ssw; afr-tsn; afr-tso; afr-ven; afr-xho; afr-zul  
eng-nbl; eng-nso; eng-sot ;eng-ssw; eng-tsn; eng-tso; eng-ven; eng-xho; eng-zul  
nbl-nso; nbl-sot; nbl-ssw; nbl-tsn; nbl-tso; nbl-ven; nbl-xho; nbl-zul  
nso-sot; nso-ssw; nso-tsn; nso-tso; nso-ven; nso-xho; nso-zul  
sot-ssw; sot-tsn; sot-tso; sot-ven; sot-xho; sot-zul  
ssw-tsn; ssw-tso; ssw-ven; ssw-xho; ssw-zul  
tsn-tso; tsn-ven; tsn-xho; tsn-zul  
tso-ven; tso-xho; tso-zul  
ven-xho; ven-zul  
xho-zul  

# Disclaimer

This dataset contains machine-readable data extracted from PDF documents, from https://www.vukuzenzele.gov.za/, provided by the Government Communication Information System (GCIS). While efforts were made to ensure the accuracy and completeness of this data, there may be errors or discrepancies between the original publications and this dataset. No warranties, guarantees or representations are given in relation to the information contained in the dataset. The members of the Data Science for Societal Impact Research Group bear no responsibility and/or liability for any such errors or discrepancies in this dataset. The Government Communication Information System (GCIS) bears no responsibility and/or liability for any such errors or discrepancies in this dataset. It is recommended that users verify all information contained herein before making decisions based upon this information.

# Datasets
The datasets consist of pairwise sentence aligned data. There are 55 distinct datasets of paired sentences.
The data is obtained by comparing [LASER](https://github.com/facebookresearch/LASER) embeddings of sentence tokens between 2 languages. If the similarity is high, the sentences are deemed semantic equivalents of one another and the observation is outputted. 

Naming convention:  
The naming structure of the pairwise_sentence_aligned folder is `aligned-{src_lang_code}-{tgt_lang_code}.csv`.  
For example, `aligned-afr-zul.csv` is the aligned sentences between Afrikaans and isiZulu. 

The data is in .csv format and the columns are `src_text`,`tgt_text`,`cosine_score` where:  
- `src_text` is the source sentence
- `tgt_text` is the target sentence
- `cosine_score` is the cosine similarity score obtained by comparing the sentence embeddings, it ranges from 0 to 1

**Note:** The notion of source (src) and target (tgt) are only necessary for distinction between the languages used in the aligned pair, as the sentence semantics should be bidirectional. (hallo <-> sawubona)

# Citation
Vukosi Marivate, Andani Madodonga, Daniel Njini, Richard Lastrucci, Isheanesu Dzingirai, Jenalea Rajab. **The Vuk'uzenzele South African Multilingual Corpus**, 2023

> @dataset{marivate_vukosi_2023_7598540,
  author       = {Marivate, Vukosi and
                  Njini, Daniel and
                  Madodonga, Andani and
                  Lastrucci, Richard and
                  Dzingirai, Isheanesu
                  Rajab, Jenalea},
  title        = {The Vuk'uzenzele South African Multilingual Corpus},
  month        = feb,
  year         = 2023,
  publisher    = {Zenodo},
  doi          = {10.5281/zenodo.7598539},
  url          = {https://doi.org/10.5281/zenodo.7598539}
}

### Licence
* Licence for Data - [CC 4.0 BY](LICENSE.md)