Difference between revisions of "User:Firespeaker/Apertium-turkic talk outline"
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* slide 2: use in RBMT, specifically apertium |
* slide 2: use in RBMT, specifically apertium |
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* slide 3: other uses: spell checkers, ...? |
* slide 3: other uses: spell checkers, ...? |
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* also mention: why we use orthography, not some transcription |
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** spell-checkers |
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** accessibility by native speakers |
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** no need for pre/post-processing |
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== Turkic languages == |
== Turkic languages == |
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Revision as of 08:09, 1 October 2012
Sketch for talk on Writing Turkic-language morphological transducers using HFST (for MT) on October 2nd.
Contents
Morphological transducers: what and why
- slide 1: definition, example (sample input/output)
- slide 2: use in RBMT, specifically apertium
- slide 3: other uses: spell checkers, ...?
- also mention: why we use orthography, not some transcription
- spell-checkers
- accessibility by native speakers
- no need for pre/post-processing
Turkic languages
Geographical/demographic overview of Turkic languages
- slides 4, 5?
- a map, numbers of speakers, wikipedia presence
Morphological and phonological properties encountered in Turkic languages
(these are all to be taken as "challenges for morphological transducers")
- slide 5: Agglutination
- slide 6: Vowel harmony
- slide 7: Consonantal processes
- slide 8: "buffer" segments
- slide 9: phonology of numerals and acronyms
- slide 10: Cyrillic orthographical issues
- something on morpho-syntactic issues that've come up a lot
- no suffix can attach to "any word", "any part of speech" or even e.g. "all nouns"; often suffixes recur in very specific sorts of places; it's almost like we have dozens of POSes
- We don't want to overanalyse(/overgenerate)
- disambig issues
- testvoc issues
- We don't want to overanalyse(/overgenerate)
- Adjective classes (e.g., whether used as
<attr>/<subst>/<advl>, +comparative, etc.) - Non-finite verb forms
- ?
- no suffix can attach to "any word", "any part of speech" or even e.g. "all nouns"; often suffixes recur in very specific sorts of places; it's almost like we have dozens of POSes
Developing a morphological transducer
- Important resources to start with:
- a corpus
- some grammars and dictionaries
- linguistic knowledge of the language (if you want to get into it deeply)
- native speakers!
- ability to work with informants
- patience!
- cf. Chuvash (i.e., the native speakers hopefully agree on forms)
HFST and how we use it
- slide: HFST: what and who
- slide: our purposes: using two two-level systems together for a three-level system (?):
- slide: overview of lexc and why it was chosen
- slide: overview of twol and why it was chosen
Examples: how morphophonological issues above are dealt with
- bing
- bang
- bam
