Indic

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The Indic languages include Hindi, Urdu, Bengali, Sanskrit, and several other languages. These languages are the dominant language family of the Indian subcontinent. The number of people that speak an Indic language is upwards of 900,000,000.

The master plan involves generating independent finite-state transducers for each language, and then making individual dictionaries and transfer rules for every pair. The current status of these goals is listed below.

Status

The ultimate goal is to have multi-purposable transducers for a variety of Indic languages. These can then be paired for X→Y translation with the addition of a CG for language X and transfer rules / dictionary for the pair X→Y. Below is listed development progress for each language's transducers and dictionary pairs.

Transducers

Once a transducer has ~80% coverage on a range of medium-large corpora we can say it is "working". Over 90% and it can be considered to be "production".

name	Language	ISO 639		formalism	state	stems	coverage	location	primary authors
		-2	-3
apertium-hin	Hindi	hi	hin	HFST (lexc+twol)	production	37,833	-	apertium-hin (languages)	Nikant, Abu Zaher Md. Faridee, Fran
apertium-urd	Urdu	ur	urd	HFST (lexc+twol)	production	14,943	-	apertium-urd (languages)	-
apertium-ben	Bengali	bn	ben	HFST (lexc+twol)	production	8,230	-	apertium-ben (languages)	Abu Zaher Md. Faridee
apertium-san	Sanskrit	sa	san	HFST (lexc+twol)	production	123,373	-	apertium-san (languages)	Amba Kulkarni

Indic Language Classification

• Dardic: Pahayi, Khowar, Kohistani, Shina language, Kashiri
• Northern Zone:
  • Cantral Pahari
    • Garhwali, Kumauni
  • Eastern Pahari
    • Nepali
• North-Western Zone:
  • Dogri-Kangri
    • Dogri, Kangri, Mandeali, etc.
  • Punjabi
  • Lahnda
  • Sindhi
• Western Zone:
  • Rajasthani
    • Marwari, Rajasthani
  • Gujarati
  • Bhil
  • Khandeshi
  • Domari-Romani
• Hindi
• Southern Zone:
  • Marathi
  • Konkani
  • Insular Indic
    • Sinhalese, Maldivian
• Eastern Zone:
  • Bihari
    • Bhojpuri, Maithili, etc.
  • Bengali
  • Oriya
  • Tharu
• Sanskrit

Indic-Indic pairs

	hin	ben	urd	san
hin	-
ben	bn-hi	-
urd	ur-hi		-
san

Pairs with non-Indic languages

	eng	as	mr	pa	fa
hin	eng-hin	as-hi	mr-hi	pa-hi
ben	bn-en
urd				ur-pa	ur-fa
san