Ụdị BERT na Encoder
BERT bụ ụdị asụsụ ama ama nke na-agụ ederede n'akụkụ abụọ n'otu oge iji wuo ihe ngosi mara mma nke pụtara.
Nchịkọta
Dị ka ihe nlereanya encoder, ọ na-eme nke ọma n'ịghọta ederede kama ịmepụta ya, na-eme ka ọrụ dị ka ọchụchọ, nhazi, na ịza ajụjụ.
Ime miri emi
Nke Google weputara na 2018, BERT (Nnọchite anya Encoder Bidirectional sitere na Transformers) gbanwere nhazi asụsụ eke ihe fọrọ nke nta ka ọ bụrụ otu abalị. N'adịghị ka ụdị GPT nke na-agụ aka ekpe gaa n'aka nri iji buru amụma okwu na-esote, BERT na-agụ ahịrịokwu ahụ n'otu oge, na-eji okirikiri sitere n'akụkụ abụọ nke okwu ọ bụla. Nleba anya n'akụkụ abụọ a na-eme ka ọ ka mma n'ịghọta ihe ọ pụtara. Iji zụọ otu a, BERT na-eji ihe nlegharị anya asụsụ kpuchiri ekpuchi: ọ na-ezobe ihe dị ka pasentị 15 nke akara ngosi wee mụta imejupụta oghere ndị ahụ site na iji gburugburu. A zụrụ ya na amụma nkebiokwu na-esote iji ghọta mmekọrịta dị n'etiti ahịrịokwu. Echiche a rụpụtara bụ pretrain- then-finetune: zụọ otu nnukwu ihe nlere anya na nnukwu ederede edeghị aha, wee megharịa ya ọnụ ala ka ọ rụọ ọrụ akọwapụtara nke ọma jiri obere dataset akpọrọ. BERT bụ ihe nlere naanị koodu, ya mere ọ na-emepụta ntinye, ọ bụghị ederede na-aga n'efu.
Nghọta nka nka
BERT na-eji naanị ihe ngbanwe nke ọkara nke transformer, na-eji nlebara anya onwe ya nke na-ahapụ akara ngosi ọ bụla na-aga akara ngosi ọ bụla n'akụkụ abụọ ahụ n'otu oge. N'ihi na ebumnobi nkịtị site n'aka ekpe gaa n'aka nri ga-ekwe ka ihe atụ bidirectional hụ azịza ya, BERT na-ekpuchi akara ma buru amụma ha, nke na-amanye ezi nghọta. Mgbe emechara ọzụzụ, ị na-etinyekarị isi obere ọrụ ma dozie ụdị ahụ niile. Ndị ga-aga nke ọma dị ka RoBERTa kwalitere usoro ọzụzụ ọzụzụ, ebe DistilBERT na ALBERT mechiri ihe nlereanya maka ọsọ na arụmọrụ.
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 BERT na Model Encoder
Ụdị ngbanwe na-anọgide na-abụ ọkpụkpụ azụ nke ọrụ ndị chọrọ nghọta karịa ọgbọ, dị ka nchọgharị ọmụmụ ihe, iweghachite, nhazigharị, na nhazi ọkwa n'ogo. Ọ bụ ezie na ụdị decoder generative na-ejide isi akụkọ, ndị ezinaụlọ BERT na-eji nwayọọ wepụta sistemu mmepụta gụnyere Google Chọọ. Ọdịnihu na-arụtụ aka n'ebe ndị na-ede koodu na-arụ ọrụ nke ọma karị, ndị na-asụ ọtụtụ asụsụ na ngalaba ngalaba, yana njikọ siri ike na pipeline ọgbọ eweghachite, ebe ngwa ngwa ngwa ngwa na-achọta akwụkwọ ndị dị mkpa nke ụdị nrụpụta ka ukwuu wee jiri zaa.
Mmejuputa n'ezie n'ụwa
Na-akwado Google Chọọ ka ọ ghọta nke ọma ebumnobi dị n'azụ ajụjụ mkparịta ụka
Na-emepụta ntinye ahịrịokwu ka ebe nchekwa data vector nwee ike ịchọta akwụkwọ ndị yiri nke ahụ
Ịkewa nyocha ndị ahịa dị ka ihe dị mma ma ọ bụ nke na-adịghị mma maka nyocha mmetụta na ọnụ ọgụgụ
Na-ewepụta azịza site na akụkụ nke usoro azịza ajụjụ
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
Ụdị usoro-na-usoro
Ajụjụ a na-ajụkarị
Kedu ihe bụ BERT na Encoder Models?
BERT bụ ụdị asụsụ ama ama nke na-agụ ederede n'akụkụ abụọ n'otu oge iji wuo ihe ngosi mara mma nke pụtara. Dị ka ihe nlere anya koodu, ọ na-eme nke ọma n'ịghọta ederede kama ịmepụta ya, na-arụ ọrụ dị ka ọchụchọ, nhazi ọkwa na ịza ajụjụ.
Kedu ihe 'bidirectional' na BERT na-ezo aka?
N'adịghị ka ụdị aka ekpe gaa n'aka nri, BERT na-atụle nkọwa zuru ezu n'akụkụ abụọ nke okwu ọ bụla n'otu oge, na-enye ya nghọta ka ukwuu nke ihe ọ pụtara.
Kedu ebumnuche izizi izizi nke na-eme BERT bidirectional?
BERT na-ezochi ihe dị ka pasent 15 nke token wee mụta ịkọ ha site na gburugburu gbara ya gburugburu, nke chọrọ iji ụzọ abụọ ahụ ma gbochie ya ịhụ azịza ya dị obere.
Kedu akụkụ nke transformer architecture ka BERT na-eji?
BERT bụ ihe nlere naanị koodu, nke mere o ji bụrụ ọkachamara n'ịmepụta ihe nnọchianya maka nghọta karịa imepụta ederede na-aga n'efu.
Gịnị bụ ụzọ 'pretrain-mgbe ahụ-finetune' BERT na-ewu ewu?
A zụrụ BERT na nnukwu ederede edeghị aha, wee jiri obere ihe ndekọ aha dezie nke ọma maka ọrụ ọ bụla dị n'okpuru ala, na-echekwa nnukwu mbọ.
Kedu ụdị mmepụta BERT emebere ka ọ mepụta?
Dị ka ihe ngbanwe, BERT nwere oke n'ịmepụta ntinye maka ọrụ dịka nhazi ọkwa, ọchụchọ na azịza ajụjụ, ọ bụghị n'ịmepụta ogologo ederede.