Icyitegererezo
Uburyo bwo kwerekana imiterere ni tekinike idakurikiranwa ihita ivumbura insanganyamatsiko zihishe zinyuze mu cyegeranyo kinini cy'inyandiko, ntawe ubyanditse mbere.
Incamake
It turns a messy pile of text into a handful of interpretable topics, each described by the words that define it.
Kwibira cyane
Tekereza kuragwa miriyoni yamakuru yamakuru adafite ibyiciro. Icyitegererezo cyo kubisoma kibasoma imibare kandi gitanga urutonde rwingingo, aho buri ngingo iba ikwirakwizwa ryamagambo. Ingingo imwe irashobora guha uburemere amatora, gutora, na sena; ikindi ku gitego, guhuza, na rutahizamu. Icy'ingenzi, buri nyandiko ifatwa nkuruvange rw'ingingo, bityo ingingo imwe irashobora kuba 70% politiki na 30% byubukungu. Uburyo buzwi cyane, Latent Dirichlet Allocation (LDA), bwatangijwe na Blei, Ng, na Yorodani mu 2003, buvuga ko inyandiko zakozwe mbere yo gutoranya ingingo ivanze, hanyuma ugashushanya amagambo muri izo ngingo. Algorithm ikora inyuma uhereye kumagambo yagaragaye kugirango ushishoze imiterere yibintu byihishe. Ntabwo ikurikiranwa, ntabwo rero ibirango byamahugurwa bikenewe, ariko umuntu agomba gusoma amagambo yo hejuru kugirango izina buri ngingo.
Ubushishozi
LDA nicyitegererezo cyibyara inyungu. Bifata ko buri nyandiko ifite Dirichlet-yagabanijwe ivanze yingingo, kandi buri ngingo ni Dirichlet-yagabanijwe ivanze ryamagambo. Kuberako inshingano zukuri zinshingano zihishe, umwanzuro ukoresha tekinike nka Gibbs sampling cyangwa gutandukanya ibintu kugirango ugereranye ingingo yabyaye buri jambo. Umufuka-w-ijambo kwibwira kwirengagiza gahunda, gufata inyandiko gusa nkuko ijambo ribara. Ugomba kwerekana umubare winsanganyamatsiko K mbere, hanyuma ugahitamo K neza, akenshi ukoresheje amanota ya coherence, numwe mubyemezo bifatika.
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.
Ejo hazaza h'icyitegererezo
Classic LDA iragenda isimburwa nuburyo bwo gushyiramo uburyo bushingiye kuri BERTopic na Top2Vec, cluster yuzuye ibice biva muri moderi ya transformateur no gufata bisobanura ko umufuka-wamagambo wabuze. Ibi bikoresho bishya bifata inyandiko ngufi nka tweet neza kandi bitanga ingingo zifatika. Urebye imbere, indimi nini zikoreshwa mukuranga no kuvuga muri make cluster mu buryo bwikora, kuvanga ivumburwa ryibarurishamibare hamwe no gusobanura neza. Icyitegererezo cyerekana ibintu bizakomeza kubaho nkibintu byihuta, bisobanurwa mbere yo gushakisha corpora itashyizweho ikimenyetso, kabone nubwo gushiramo ibintu biremereye.
Gushyira mu bikorwa Isi
Isomero cyangwa archive ihita itegura inyandiko ibihumbi nibihumbi byamateka mumutwe ushakishwa kubashakashatsi
Isosiyete isesengura ibihumbi icumi byamatike yo gufasha abakiriya kugirango bagaragaze insanganyamatsiko zikunze kurega
Abahanga mu by'imibereho bakurikirana uburyo ingingo zo gutangaza ibinyamakuru zihinduka mu myaka ibarirwa muri za mirongo
Itsinda ryibicuruzwa bisikana ibisubizo byuzuye byubushakashatsi kugirango ubone insanganyamatsiko zisubirwamo udasomye igisubizo cyose
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
Icyerekezo kirekire
Ibibazo bikunze kubazwa
What is Topic Modeling?
Uburyo bwo kwerekana imiterere ni tekinike idakurikiranwa ihita ivumbura insanganyamatsiko zihishe zinyuze mu cyegeranyo kinini cy'inyandiko, ntawe ubyanditse mbere. Ihindura ikirundo cyinyandiko cyanditsemo intoki zingingo zisobanurwa, buriwese wasobanuwe namagambo abisobanura.
Ni ubuhe buryo bwo kwerekana ingingo butanga kuri buri ngingo yavumbuwe?
Buri ngingo igaragazwa nkikwirakwizwa ryamagambo, bigatanga amahirwe menshi kumagambo asobanura iyo nsanganyamatsiko, nka 'gutora' na 'sena' kumutwe wa politiki.
Ni ukubera iki kwerekana ingingo bisobanurwa ngo 'bidakurikiranwa'?
Uburyo bwo kwerekana imiterere busanga insanganyamatsiko uhereye gusa ku mibare yamagambo yamagambo, udakeneye inyandiko zigomba gushyirwaho ibyiciro mbere.
Nigute LDA ifata inyandiko kugiti cye?
Ikintu nyamukuru kiranga LDA nuko buri nyandiko iba ivanze ningingo, ingingo imwe rero ishobora kuba ahanini politiki hamwe nubukungu bumwe buvanze.
Niki 'umufuka-w'amagambo' ukoreshwa na kera ya LDA?
Umufuka-w-amagambo bisobanura icyitegererezo cyerekana amagambo agaragara ninshuro, ariko akajugunya gahunda igaragaramo.
Ni ikihe cyemezo ugomba gufata mbere yo gukora LDA?
LDA ikeneye umubare winsanganyamatsiko K zerekanwe mbere, kandi guhitamo neza nimwe muntambwe zifatika, akenshi ziyobowe n amanota ya coherence.