XLNet Permutation Modelling
XLNet inosanganisa iyo bidirectional mamiriro eBERT neautoregressive kufanotaura kweGPT nekudzidziswa pamusoro pezvisina kurongeka mazwi ekurongeka.
Pfupiso
This permutation trick lets it learn from all positions without ever masking tokens.
Kudzika Kwakadzika
XLNet, yakaunzwa muna 2019 naCarnegie Mellon uye Google Brain, yakagadzirirwa kugadzirisa chikanganiso muBERT-style pretraining. BERT masks tokens uye anofanotaura iwo, asi artificial [MASK] chiratidzo haambo oneka panguva yekumisikidzwa, kugadzira chitima/bvunzo kusapindirana, uye BERT inotora masiki tokeni zvakazvimirira. XLNet pachinzvimbo inoshandisa 'permutation language modelling': inokwidziridza inotarisirwa log-mukana pane zvese zvinogoneka kurongeka kwemazwi munhevedzano. Nekufanotaura chiratidzo chega chega chakapihwa chigadziro chevamwe, modhi yacho inonyatso kuona mamiriro ebidirectional ichiramba iri yakakodzera autoregressive modhi isina masking. Yakavakirwa pamusoro peTransformer-XL musana wendangariro refu-refu, XLNet yakapfuura BERT pamabasa makumi maviri anosanganisira kupindura mibvunzo, kuongororwa kwemanzwiro, uye chinzvimbo chegwaro.
Technical Insight
XLNet haichinji mazwi emuviri; inobvumira iyo factorization kurongeka kuburikidza nekutarisa masks, saka ruzivo rwechinzvimbo runochengetedzwa. Kuti iite basa iri, inoshandisa 'two-stream self-attention': rwizi rwemukati rwunokodha zvese chiratidzo nemamiriro acho, uye rwizi rwemubvunzo runoziva nzvimbo yechinangwa asi kwete zvirimo, ichigonesa kufanotaura pasina kuburitsa mhinduro. Kudzokororwa kweTransformer-XL uye kurongeka kwenzvimbo kunopa ndangariro muzvikamu zvirefu, kuvandudza mabatirwo emagwaro marefu.
Strategic Impact
Kumhanya uye chiyero
Mutauro workflows inogona kufamba nekukurumidza pasina kupira kuenderana.
Svika uye svika
Inopamhidzira kupinda mumitauro yese nemataera ekutaurirana.
Sarudzo dzakajeka
Zvikwata zvinogona kupedza nguva yakawanda pakutonga uku otomatiki ichibata kudzokorora.
Ramangwana reXLNet Permutation Modelling
XLNet yaive humbowo hune simba hwekuti autoregressive zvinangwa zvinogona kubata bidirectional mamiriro, kudzima kupatsanurwa kweBERT-yakatarisana neGPT. Nepo munda wacho wainyanya kubatanidzwa kutenderedza masiki encoder kana mahombe autoregressive decoder, XLNet's permutation idea uye Transformer-XL kudzokorora inoziviswa gare gare basa rekare-mamiriro ekuenzanisa uye yakabatana pretraining zvinangwa. Mafungiro ayo anoramba akakodzera sezvo vaongorori vachitsvaga zvivakwa zvinosanganisa yakasimba mamiriro ekuenzanisa neanoshanda, masiki-isina chizvarwa.
Real-World Implementation
Kuwana mibairo yepamusoro pamubvunzo-mhinduro mabhenji seSQUAD
Kubata mabasa akareba-magwaro akadai seRACE kuverenga-kunzwisisa bvunzo kuburikidza neTransformer-XL ndangariro.
Powering gwaro chinzvimbo uye ruzivo-kudzosa masisitimu
Kuvandudza kupatsanurwa kwekunzwa uye kupatsanurwa kwemavara pamusoro peBERT yekutanga
Njodzi & Guardrails
Chokwadi chehuroyi chinogona kupinda chinyararire mishumo, kuyerera kwetsigiro, kana tsvakiridzo.
Kunzwa nekukasira kunogona kugadzira mhedzisiro isingaenderane pane zvikumbiro zvakafanana.
Sensitive text data inogona kuburitswa kana zvidhiraivho zvisina kusimba.
Implementation Roadmap
Tsanangura chimiro chekubuda, toni, uye mhando zviyero usati waburitsa.
Mhinduro dzepasi neakavimbika masosi pese pazvine basa.
Chengetedza ongororo yekuongorora yemunhu kune yakakwira-stake zvinobuda.
Tevera maitiro ekutadza uye dzidzisazve kukurudzira kana mafambiro ebasa nguva nenguva.
Ramba Uchiongorora
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Gaidhi rinotevera
Topic Modelling
Mibvunzo inowanzo bvunzwa
What is XLNet Permutation Modeling?
XLNet inosanganisa iyo bidirectional mamiriro eBERT neautoregressive kufanotaura kweGPT nekudzidziswa pamusoro pezvisina kurongeka mazwi ekurongeka. Iri dhiri rekubvumidza rinoita kuti ridzidze kubva kune ese zvinzvimbo pasina kana masking tokeni.
Ndechipi chinangwa chepretraining chinoshandiswa neXLNet?
XLNet inokwidziridza inotarisirwa log-mukana pane ese matendero eiyo token factorization order, inonzi permutation language modeling.
Ndeipi kushaya simba kweBERT yaive XLNet yakagadzirirwa kugadzirisa?
Chiratidzo cheBERT chekugadzira [MASK] hachimbooneki panguva yekunyatsogadzirisa uye chinobata fungidziro yakavharidzirwa seyakazvimirira; XLNet inodzivirira nyaya dzese.
Chii chinonzi XLNet's two-stream self-attention inoparadzanisa?
Kuyerera kwemukati kunoisa chiratidzo uye mamiriro, ukuwo query stream inoziva nzvimbo yechinangwa asi kwete zvirimo, ichigonesa kufanotaura pasina kudonha.
Ko XLNet inokwenya mazwi mumutsara here?
XLNet inobvumira kufanotaura (factorization) kurongeka kuburikidza nekutarisa masks; iyo yekutanga tokeni nzvimbo inochengetedzwa kuburikidza nepositional encodings.
Ndechipi chivakwa chinoshanda se XLNet musana wemamiriro enguva refu?
XLNet inovaka paTransformer-XL, iyo inowedzera kudzokororwa kwechikamu uye hukama chinzvimbo encoding yekubata kutevedzana kwakareba.