Nlereanya isiokwu
Nhazi isiokwu bụ usoro anaghị elekọta ya nke na-achọpụta na akpaghị aka isiokwu zoro ezo na-aga n'ọtụtụ akwụkwọ, na-enweghị onye ọ bụla buru ụzọ depụta ha aha.
Nchịkọta
It turns a messy pile of text into a handful of interpretable topics, each described by the words that define it.
Ime miri emi
Cheedị echiche iketa akụkọ akụkọ nde na-enweghị edemede. Nhazi isiokwu na-agụ ha na ọnụ ọgụgụ wee tụpụta otu isiokwu, ebe isiokwu ọ bụla bụ naanị ikesa ihe gbasara okwu. Otu isiokwu nwere ike inye nnukwu ibu na ntuli aka, votu, na senate; ọzọ gaa goolu, egwuregwu na onye ọkpọ. N'ụzọ dị mkpa, a na-ewere akwụkwọ ọ bụla dị ka ngwakọta nke isiokwu, ya mere otu isiokwu nwere ike ịbụ pasent 70 ndọrọ ndọrọ ọchịchị na pasent 30 nke akụ na ụba. Usoro kacha ewu ewu, Latent Dirichlet Allocation (LDA), nke Blei, Ng, na Jordan webatara na 2003, chere na a na-emepụta akwụkwọ site na ibu ụzọ buru ngwakọta isiokwu, wee see okwu site na isiokwu ndị ahụ. Algọridim na-arụ ọrụ azụ site n'okwu ndị ahụ achọpụtara iji ghọta nhazi isiokwu zoro ezo. A naghị ele ya anya, yabụ na ọ nweghị akara nkuzi achọrọ, mana mmadụ ga-agụrịrị mkpụrụokwu kacha elu iji kpọọ isiokwu ọ bụla.
Nghọta nka nka
LDA bụ ihe atụ nke puru omume. Ọ na-eche na akwụkwọ ọ bụla nwere ngwakọta nke isiokwu Dirichlet kesara, na isiokwu ọ bụla bụ ngwakọta okwu Dirichlet ekesara. N'ihi na ezi isiokwu ọrụ ezoro ezo, inference na-eji usoro dị ka Gibbs sampling ma ọ bụ mgbanwe dị iche iche na-atụle isiokwu nke ewepụtara okwu ọ bụla. Echiche akpa-okwu na-eleghara usoro okwu anya anya, na-emeso akwụkwọ naanị dị ka ọnụ ahịa dị. Ị ga-ezipụta ọnụ ọgụgụ nke isiokwu K tupu oge eruo, na ịhọrọ K nke ọma, na-emekarị site na nchịkọta ọnụ, bụ otu n'ime mkpebi ndị dị aghụghọ kacha njọ.
Mmetụta atụmatụ
Ọsọ na ọnụ ọgụgụ
Usoro ọrụ asụsụ nwere ike ịga ngwa ngwa n'achụghị nkwụsi ike.
Nweta na iru
Ọ na-agbasawanye ohere n'ofe asụsụ na ụdị nzikọrịta ozi.
Mkpebi doro anya
Ndị otu nwere ike itinyekwu oge na ikpe ebe akpaaka na-ejikwa nkwughachi.
Ọdịnihu nke Nlegharị Okwu
A na-eji ụzọ ndị dabere na ntinye dị ka BERTopic na Top2Vec dochie Classic LDA, nke na-achịkọta vectors siri ike site na ụdị mgbanwe wee weghara nke pụtara na akpa-okwu efu. Ngwa ọhụrụ ndị a na-ejikwa ederede dị mkpụmkpụ dị ka tweet ka mma ma mepụta isiokwu ndị ọzọ na-ejikọta ọnụ. N'ile anya n'ihu, a na-eji ụdị asụsụ buru ibu na-ede aha ma na-achịkọta ụyọkọ na-akpaghị aka, na-ejikọta nchọpụta ọnụ ọgụgụ na nkọwa nke ọma. Nlegharị anya isiokwu ga-adịgide dị ka ngwa ngwa, ngafe mbụ enwere ike ịkọwa maka inyocha ụlọ ọrụ na-enweghị akara, ọbụlagodi dịka ntinye na-ejikwa ibuli elu.
Mmejuputa n'ezie n'ụwa
Ọbá akwụkwọ ma ọ bụ ebe nchekwa na-ahazi puku kwuru puku akwụkwọ akụkọ ihe mere eme na-akpaghị aka n'ime isiokwu enwere ike ịchọgharị maka ndị nyocha
Ụlọ ọrụ na-enyocha iri puku kwuru iri puku tiketi nkwado ndị ahịa iji wepụta isiokwu mkpesa na-adịkarị
Ndị ọkà mmụta sayensị na-ahụ maka mmekọrịta mmadụ na ibe ya na-enyocha ka isiokwu dị na mkpuchi akwụkwọ akụkọ si agbanwe n'ime ọtụtụ iri afọ nke ederede digitized
Otu ngwaahịa na-enyocha nzaghachi nyocha mmeghe iji chọta isiokwu na-emegharị ugboro ugboro na-agụghị azịza ọ bụla
Ihe ize ndụ & okporo ụzọ nche
Eziokwu ndị e chepụtara echepụta nwere ike jiri nwayọ tinye akụkọ, nkwado nkwado, ma ọ bụ nsonaazụ nyocha.
Mmetụta ngwa ngwa nwere ike ịmepụta nsonaazụ na-ekwekọghị ekwekọ n'ofe arịrịọ ndị yiri ya.
Enwere ike ikpughe data ederede nwere mmetụta ma ọ bụrụ na njikwa ohere adịghị ike.
Map mmejuputa
Kọwaa usoro mmepụta, ụda, na ụkpụrụ ịdịmma tupu ibugharị.
Weghachite nzaghachi site na isi mmalite ntụkwasị obi mgbe ọ bụla izi ezi dị mkpa.
Debe ebe nleba anya mmadụ maka mpụta dị elu.
Sochie ụkpụrụ ọdịda ma na-azụghachi mkpali ma ọ bụ usoro ọrụ mgbe niile.
Nọgide na-eme nchọpụta
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Ntuziaka na-esote
Nlereanya Ogologo Ochie
Ajụjụ a na-ajụkarị
What is Topic Modeling?
Nhazi isiokwu bụ usoro anaghị elekọta ya nke na-achọpụta na akpaghị aka isiokwu zoro ezo na-aga n'ọtụtụ akwụkwọ, na-enweghị onye ọ bụla buru ụzọ depụta ha aha. Ọ na-atụgharị mkpokọta ederede na-adịghị mma ka ọ bụrụ isiokwu ole na ole enwere ike ịkọwa, nke ọ bụla ejiri okwu ndị na-akọwa ya.
Kedu ihe nhazi isiokwu na-arụpụta maka isiokwu ọ bụla achọpụtara?
A na-anọchi anya isiokwu ọ bụla dị ka nkesa n'elu okwu, na-enye ohere dị elu maka okwu ndị na-akọwa isiokwu ahụ, dị ka 'votu' na 'senet' maka isiokwu ndọrọ ndọrọ ọchịchị.
Gịnị mere e ji kọwaa ụdị isiokwu dị ka 'anaghị elekọta'?
Nhazi isiokwu na-achọta isiokwu naanị site na usoro ngụkọ nke okwu, na-achọghị akwụkwọ ka etinye ya na edemede mbụ.
Kedu ka LDA si emeso otu akwụkwọ?
Akụkụ bụ isi nke LDA bụ na akwụkwọ ọ bụla bụ ngwakọta nke isiokwu, yabụ otu isiokwu nwere ike bụrụ ndọrọ ndọrọ ọchịchị yana ụfọdụ akụ na ụba agwakọta.
Kedu ihe bụ echiche 'akpa-okwu' nke LDA kpochapụrụ ji?
Akpa-okwu pụtara ihe nlereanya na-atụle nke okwu pụtara na ugboro ole, mana tụfuo usoro ha pụtara.
Kedu mkpebi ị ga-emerịrị tupu ịgba ọsọ LDA?
LDA chọrọ ọnụọgụ isiokwu K akọwapụtara n'ihu, na ịhọrọ ya nke ọma bụ otu n'ime usoro dị aghụghọ kachasị njọ, nke akara nkwekọ na-eduzi.