Bikol and Chamorro

Resources for machine translation between Bikol and Chamorro

• Bikol
• Chamorro

Developed Resources

• Contrastive Grammar
• Lexical Selection

Translation Repositories

• Bikol to Chamorro translation
• Chamorro to Bikol translation

Initial Evaluation

bcl → cha Evalutaion

• WER = 94.74%
• PER = 84.21%
• Proportion of stems translated correctly = 100.00%

cha → bcl Evaluation

• WER = 90.91%
• PER = 86.36%
• Proportion of stems translated correctly = 100.00%

Lexical Selection

Find at least two cases in each direction of a one-to-many mapping.

Bikol-Chamorro

bóla

In Bikol, bóla means ball or compliment. In Chamorro, ball = bola and compliment = komplimenta.

Lexical selection between bola and komplimenta is guided by the following rules:

• Bola (ball) is chosen when:
  • Preceded by a verb such as throw, toss, catch, play, buy, borrow, lend, bounce
  • Followed by an adjective such as round, colors

Example sentences

• Bola (ball) is chosen in the following example:
  • Sublion mo si bola ki Jose (Borrow the ball from Jacob)
• Komplimenta (compliment) is chosen in the following example:
  • <example here>

glóbo

In Bikol, glóbo means map or balloon. In Chamorro, map = mapa and balloon = abubu.

For now, the default selection is set to translate glóbo to abubu, or balloon in English.

Chamorro-Bikol

• In Chamorro, guakse means to scrub (clothes) or to turn inside out. In Bikol, to scrub (clothes) is kuró-kusó and to turn inside out is balík.
• maggem means cautious or damp. In Bikol, máan means cautious and basá means damp.

Structural Transfer

• Structural Transfer wiki

Final Evaluation

Polished RBMT System

Bcl-Cha

Additional Stems

• 100 additional stems (verbs, adjectives, and nouns) were added to the bilingual dictionaries and both monolingual dictionaries.

Lexical Selection Rules

• In Bikol, the adjective sadít can either mean (1) small, tiny; or (2) low (as a soft voice).
  • Despasio (low, soft) is chosen if the adjective sadít follows the noun bóses, or voice.
  • Balaskes (small, tiny) is the default and is chosen in all other circumstances.

• In Bikol,
  • Pasífiku (Pacific) is chosen if the adjective pasípiko is in the exact phrase dágat na pasípiko, or Pacific Ocean.
  • Mahgong (peaceful) is the default and is chosen in all other circumstances.

= Disambiguation (x2)

sa

The Bikol word "sa" can have either of the following two meanings, illustrated by the following example sentences.

• Determiner: the
  • Nagdumán akó sa haróng na dakúla. (I went to the big house.)
  • Correct analysis: ^Nagdumán/dumán<vblex><past>$ ^akó/akó<prn><p1><sg>$ ^sa<det><def>$ ^haróng/haróng<n>$ ^na/na<link>$ ^dakúla<adj><sg>$^./.<sent>$
• Preposition: to
  • Nagdumán akó sa Píli. (I went to Píli.)
  • Correct analysis: ^Nagdumán/dumán<vblex><past>$ ^akó/akó<prn><p1><sg>$ ^sa/sa<pr>$ ^Píli/Píli<cog>$^./.<sent>$

dakúla

The Bikol word "dakúla" can have either of the following two meanings, illustrated by the following example sentences.

• Adjective: big
  • Nagdumán akó sa haróng na dakúla. (I went to the big house.)
  • Correct analysis: ^Nagdumán/dumán<vblex><past>$ ^akó/akó<prn><p1><sg>$ ^sa/sa<det><def>$ ^haróng/haróng<n>$ ^na/na<link>$ ^dakúla<adj><sg>$^./.<sent>$
• Verb: to grow bigger
  • Tápos na an síne. (The movie is already over.)
  • Correct analysis: ^Tápos<adj><sg>$ ^na<link>$ ^an<det><def>$ ^síne<n>$^.<sent>$