Obrabotka yestestvennogo yazyka: Razreshenie leksicheskoĭ mnogoznachnosti, Mashinnyĭ perevod

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9781232256328: Obrabotka yestestvennogo yazyka: Razreshenie leksicheskoĭ mnogoznachnosti, Mashinnyĭ perevod
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Istochnik: Wikipedia. Stranitsy: 25. Glavy: Razreshenie leksicheskoĭ mnogoznachnosti, Mashinnyĭ perevod, Avtomaticheskoe poluchenie razmechennogo korpusa, Analiz tonal′nosti teksta, Voprosno-otvetnaya sistema, SHRDLU, Genon, Izvlechenie informatsii, AIML, TF-IDF, Generator teksta, Eliza, Analiz teksta, Kollokatsiya, Virtual′nyĭ sobesednik, Programmnoe obespechenie dlya obrabotki yestestvennogo yazyka, MARF, Metod Leska, Stemmer Portera, A.L.I.C.E., Analiz vyskazyvaniĭ, Stemming, PARRY. Vyderzhka: Razreshenie leksicheskoĭ mnogoznachnosti (word sense disambiguation, WSD) - eto nerazreshennaya problema obrabotki yestestvennogo yazyka, kotoraya zaklyuchaet·sya v zadache vybora znacheniya (ili smysla) mnogoznachnogo slova ili slovosochetaniya v zavisimosti ot konteksta, v kotorom ono nakhodit·sya. Dannaya zadacha sil′no vliyaet na takie oblasti kak diskursivnyĭ analiz, uluchshenie relevantnosti vydachi poiskovymi sistemami, razreshenie anaforicheskikh ot·sylok, lingvisticheskaya kogerentnost′ teksta, analiz umozaklyucheniĭ. Nauchnye issledovaniya po razresheniyu leksicheskoĭ mnogoznachnosti nakhodyat·sya v pole zreniya prikladnoĭ i komp′yuternoĭ lingvistiki dostatochno davno i imyeyut mnogoletnyuyu istoriyu. S techeniem let kolichestvo predlozhennykh resheniĭ i ikh effektivnost′ nyeuklonno rosli do tekh por, poka ne dostigla opredelënnogo urovnya sravnitel′no-effektivnykh pokazatelyeĭ tochnosti dlya opredelënnogo spektra slov i tipov mnogoznachnostyeĭ. Polnogo resheniya problema poka ne poluchila, poskol′ku na puti uspeshnogo resheniya stoit mnogo problem, napryamuyu svyazannykh s yazykovymi osobennostyami chelovecheskoĭ rechi. Bylo issledovano bol′shoe kolichestvo metodov: ot metodov, osnovannykh na znaniyakh, pravilakh, leksikograficheskikh istochnikov, i obucheniĭ s uchitelem na korpuse tekstov, do metodov obucheniya bez uchitelya, po svoyeĭ suti klasterizuyushchie slova na smysly. Sredi perechislennykh, na segodnyashniĭ den′, metody obucheniya ...

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