Difference between revisions of "Lingala and Kikuyu"

Revision as of 16:39, 26 March 2017

Resources for machine translation between Lingala and Kikuyu. Code is stored in a GitHub Repository.

Developed Resources

Parallel Corpus

A parallel corpus created using two translations of Genesis is available on Github.

Contrastive Grammar

Contrastive Grammar is detailed on the wiki page Lingala and Kikuyu/Contrastive Grammar.

Lexical Selection

Lexical selection is detailed on the wiki page Lingala and Kikuyu/Lexical Selection.

Lexical Selection

In addition to adding many one-to-one mappings to our .dix file, we have included a couple of one-to-many mappings for each direction of translation. See Lingala and Kikuyu/Lexical Selection for further details.

From Lingala to Kikuyu, we consider four one-to-many mappings:

• The Lingala verb kokíma can be translated in English as both "to run" and "to run away." Kikuyu has two distinct verbs corresponding to these English translations, respectively, hanyũk and ũr.
• The Lingala verb kofánda can be translated in English as both "to sit" and "to live" (as in reside). Kikuyu has two distinct verbs corresponding to these English translations, respectively, ikar and tũũr.
• The Lingala verb kobánza can be translated in English as both "to think" and "to remember." Kikuyu has two distinct verbs corresponding to these English translations, respectively, ĩcir and ririkan.
• The Lingala noun mabele can be translated in English as both "sand" and "milk." Kikuyu has two distinct nouns corresponding to these English translations, respectively, thanga and ria.

From Kikuyu to Lingala, we consider three one-to-many-mappings:

• The Kikuyu verb igu can be translated in English as both "to obey" and "to hear." Lingala has two distinct verbs corresponding to these English translations, respectively, kotosa and koyoka.
• The Kikuyu verb rut can be translated in English as both "to learn" and "to remove." Lingala has two distinct verbs corresponding to these English translations, respectively, koyekola and kokukula.
• the Kikuyu noun ria can be translated in English as both "milk" and "pond." Lingala has two distinct nouns corresponding to these English translations, respectively, mabele and etimá.

lin → kik evaluation

• Evaluation on mini corpus:
  • WER: 87.50%
  • PER: 87.50%
  • Number of words: 9
  • Number of unknown words: 0
  • Proportion of stems translated correctly: 100%

• Evaluation of corpus:
  • WER: 99.06%
  • PER: 94.34%
  • Number of words: 107
  • Number of unknown words: 71
  • Proportion of stems translated correctly:33.64%

kik → lin evaluation

• Evaluation on mini corpus:
  • WER: 100% (Should really be lower, but spellrelax is adding an accent not in the test file)
  • PER: 100% (Should really be lower, but spellrelax is adding an accent not in the test file)
  • Number of words: 7 (This should really be 8, but the command we are supposed to use to count this outputs 7. The proportion remains unchanged in our case, however.)
  • Number of unknown words: 0
  • Proportion of stems translated correctly: 100%

• Evaluation of corpus:
  • WER: 100%
  • PER: 93.46%
  • Number of words: 106
  • Number of unknown words: 79
  • Proportion of stems translated correctly: 25.47%