Lemmatisation na Stemming
Gutsimbarara no gutondeka byombi bigabanya amagambo kumiterere shingiro kugirango 'kwiruka', 'kwiruka', na 'kwiruka' bishobora gufatwa nkigitekerezo kimwe.
Incamake
They matter because collapsing word variations improve search, indexing, and text analysis.
Kwibira cyane
Stemming na lemmatisation nubuhanga busanzwe bwambura ijambo gutandukana kumuzi rusange. Stemming ikoresha byihuse, amategeko-ashingiye kuburondogozi bikuraho ingereka; icyamamare cya Porter gihindura 'kwiruka' muri 'kwiruka' na 'kwiga' muri 'studio', ibisohoka rero ntabwo buri gihe ari ijambo ryukuri. Lemmatisation irusha ubwenge: ikoresha inkoranyamagambo hamwe nigice-cy-amakuru yamakuru kugirango ishushanye ijambo kumiterere yinkoranyamagambo, cyangwa indimu, bityo 'ibyiza' bihinduka 'byiza' kandi 'byari' bihinduka 'kuba'. Lemmatisation irasobanutse neza ariko itinda kandi isaba ibikoresho byindimi nka WordNet. Byombi bigabanya ingano yamagambo, ifasha moteri zishakisha guhuza ibibazo ninyandiko no kugabanya amakuru make muburyo bwo hasi, nubwo lemmatisation ibika ibisobanuro mubwizerwa.
Ubushishozi
Stemmer ikurikiza amategeko yongeweho-gukuramo (urugero, intambwe ya Porter algorithm ikuraho '-ing', '-ed', '-s'), bigatuma yihuta ariko ikabije. Indimu ahubwo ireba amagambo hejuru mumagambo ya morphologie kandi ikoresha igice cyijambo ryijambo kugirango uhitemo indimu ikwiye; udafite POS, 'wabonye' ushobora gushushanya 'kureba' (inshinga) cyangwa kuguma 'kubona' (izina). Niyo mpanvu indimu nka spaCy cyangwa ibikoresho bya WordNet banza ushireho igice cyimvugo.
Ingaruka z'Ingamba
Umuvuduko n'igipimo
Ururimi rwakazi rushobora kugenda byihuse nta gutamba guhuzagurika.
Kugera no kugera
Yagura uburyo bwindimi nuburyo bwo gutumanaho.
Ibyemezo bisobanutse
Amakipe arashobora kumara umwanya munini murubanza mugihe automatike ikora gusubiramo.
Kazoza ka Lemmatisation na Stemming
Moderi igezweho ya moderi ikunze gushingira kumagambo yerekana ibimenyetso (nka Byte-Pair Encoding) aho gutsimbarara ku buryo bweruye, kwiga morphologie mu buryo butaziguye. Nkigisubizo, icyiciro cya kera kiragenda kigabanuka mumiyoboro yimbitse-yiga ariko ikomeza kuba iyagaciro mugushakisha byoroheje, gushakisha amakuru, no kugena ibikoresho. Witege ko uzakomeza gukoreshwa muri gakondo ya NLP no gushakisha indangagaciro, hiyongereyeho indimi nziza mu ndimi nyinshi zikoreshwa mu ndimi zikungahaye ku miterere aho kwiyambura umugereka byananiranye.
Gushyira mu bikorwa Isi
Moteri zishakisha zerekana 'guhuza', 'guhuza', na 'guhuza' munsi yumuti umwe kugirango ikibazo gihure na bose
Spam na sentimenti ibyiciro bigabanya ingano yamagambo kugirango ugabanye amakuru make
Gushakisha ibyangombwa byemewe nubuvuzi ukoresheje lemmatisation kugirango uhuze 'gusuzuma' na 'wasuzumwe'
Kubaka ijambo-inshuro zisesengura aho impapuro zahujwe zahujwe nindimu shingiro
Ingaruka & Kurinda
Ibintu bifatika bishobora kwinjiza bucece raporo, gushyigikira imigendekere, cyangwa ibisubizo byubushakashatsi.
Kwihuta byihuse birashobora gukora ibisubizo bidahuye mubisabwa bisa.
Ibyanditswe byumvikana birashobora kugaragara niba kugenzura kugenzura ari ntege.
Igishushanyo mbonera
Sobanura imiterere isohoka, amajwi, hamwe nubuziranenge mbere yo gutangira.
Ibisubizo byibanze hamwe nisoko yizewe igihe cyose ukuri kwingirakamaro.
Komeza kugenzura abantu kugenzura ibisubizo byinshi.
Kurikirana uburyo bwo kunanirwa no kongera imyitozo cyangwa akazi gahoraho.
Komeza Ubushakashatsi
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Ubuyobozi bukurikira
Umusaraba-Encoders vs Bi-Encoders
Ibibazo bikunze kubazwa
Lemmatization and Stemming ni iki?
Gutsimbarara no gutondeka byombi bigabanya amagambo kumiterere shingiro kugirango 'kwiruka', 'kwiruka', na 'kwiruka' bishobora gufatwa nkigitekerezo kimwe. Bifite akamaro kuko gusenyuka kw'ijambo bitandukanye bitezimbere gushakisha, kwerekana, no gusesengura inyandiko.
Ni irihe tandukaniro nyamukuru riri hagati yo gutsimbarara no kuvura indimu?
Stemming chops yongeweho hamwe na heuristique kandi irashobora kubyara amagambo atari amagambo; lemmatisation ikoresha inkoranyamagambo na POS kugirango isubize impapuro zifatizo zemewe.
Niki Porter ishobora gusohora ijambo 'kwiga'?
Porter stemmer yambura umugereka kandi itanga 'studio', ntabwo ari ijambo ryukuri, byerekana ko ibiti bitagomba kuba amagambo yemewe.
Indimu yerekana ikarita 'nziza' niyihe lemma?
Lemmatisation ikora imiterere idasanzwe, ikamenya ko 'ibyiza' ari igereranya ry 'icyiza.
Ni ukubera iki lemmatizer ikenera igice-cy-amakuru yamakuru?
Amagambo nka 'ikarita' ikarita atandukanye ukurikije niba ari izina cyangwa inshinga, POS rero iyobora guhitamo indimu.
Ninde muri rusange UKURI kubyerekeye gukomera ugereranije na lemmatisation?
Stemming ikoresha ibyihuta byihuse, ubucuruzi bwukuri kubwihuta, mugihe lemmatisation ari ukuri ariko biremereye.