5.3.1 Netflix paraihe

Whakamahi te Netflix paraihe tuwhera karanga ki te matapae i kiriata e rite iwi.

Te kaupapa tuwhera karanga tino pai mohiotia ko te Netflix paraihe. Netflix Ko te kamupene kiriata reti online, a i roto i te 2000 whakarewahia reira Cinematch, he mahi ki te tūtohu kiriata ki kiritaki. Hei tauira, kia kite Cinematch e pai koe Wars Star me patua e Empire Hoki a ka tūtohu e mataara koutou hoki o te Jedi. I te tīmatanga, mahi painga Cinematch. Ko, i runga i te akoranga o nga tau maha, tonu Cinematch ki te whakapai ake i tona kaha ki te matapae aha kiriata e pārekareka kiritaki. Na roto i te 2006, Heoi, te ahunga whakamua i runga i Cinematch plateaued. tamata te kairangahau i Netflix i tino nui nga mea katoa i taea whakaaro ratou o, engari i te wa ano, whakapae ratou e reira i te tahi atu mau mana'o e ai te tauturu ia ratou te whakapai ake to ratou pūnaha. Ko te kupu, ka haere ratou ki runga ki te mea ko, i te wa, he otinga tuwhena: he karanga tuwhera.

Critical ki te angitu hopea o te Netflix paraihe ko pehea hangaia te karanga tuwhera i, a he mau haapiiraa faufaa no te pehea tuwhera waea taea te whakamahi mō te rangahau pāpori tenei hoahoa. kihai i Netflix tika hoatu i roto i te tono hanganga mo whakaaro, i te mea ta nga iwi maha whakaaro, no ratou te tuatahi whakaaro he karanga tuwhera. Engari, fai Netflix he raruraru mārama ki te paearu aro mātai ohie: wero ratou iwi ki te whakamahi i te huinga o te 100 miriona whakatauranga kiriata ki te matapae 3 miriona ratings puritia-i roto i (whakataunga i hanga kaiwhakamahi i engari e kore i Netflix tuku). Tangata e taea te hanga i tētahi hātepe papatono e taea te matapae i te whakataunga 3 miriona puritia-i roto i 10% pai atu e riro Cinematch 1 miriona tāra. mārama me te ngāwari tenei ki te tono aro mātai paearu-whakatairite whakawākanga tohu ki puritia-i roto i whakawākanga-auraa e hanga i te Netflix paraihe i roto i te ara taua e te hunga māmā ki te tirohia atu te whakaputa rongoā; tahuri te reira i te wero o te whakapai ake Cinematch ki te raruraru e tika ana mo te karanga tuwhera.

I roto i te Oketopa o te tau 2006, tukua Netflix he huingararaunga kei roto 100 miriona whakatauranga kiriata i pā ana ki e pā ana ki 500,000 kiritaki (e whakaaro tatou nga pānga tūmataiti o tenei tuku raraunga i roto i te Chapter 6). Ka taea te te möhiotanga o nga raraunga Netflix rite te kopu nui e he āhua 500,000 kiritaki e 20,000 kiriata. I roto i tenei kopu, i reira i pā ana ki 100 miriona ratings i runga i te tauine i te 1 ki te 5 whetu (Ripanga 5.2). Te wero ko ki te whakamahi i te raraunga kitea i roto i te kopu ki te matapae i te whakataunga 3 miriona puritia-waho.

Ripanga 5.2: schematic o raraunga i te Netflix paraihe. tukua Netflix e pā ana ki 100 miriona ratings (1 whetu ki 5 whetu) e whakaratohia ana e 500,000 kiritaki i runga i 20,000 kiriata. Te whāinga o te Netflix paraihe i ki te whakamahi i enei whakataunga ki te matapae i te whakataunga puritia-i roto o 3 miriona kiriata, whakaaturia rite "?". whakawākanga tohu tuku e ngā kaiuru i roto i te Netflix paraihe i whakaritea ki nga whakataunga puritia-waho. Ka matapaki i ahau nga take matatika e karapoti tenei tuku raraunga i roto i te Chapter 6.
Movie 1 Movie 2 Movie 3 . . . Movie 20,000
kiritaki 1 2 5 . ?
kiritaki 2 2 ? . 3
kiritaki 3 ? 2 .
. . . . . . . .
kiritaki 500,000 ? 2 . 1

Kairangahau me te mūrere huri noa te ao i unu ki te wero, a i ​​te 2008 i mahi ake atu i te 30,000 te iwi i runga i te reira (Thompson 2008) . Neke atu i te te akoranga o te whakataetae, riro Netflix neke atu i te 40,000 rongoā whakaarohia i neke atu i te 5,000 ngā kapa (Netflix 2009) . Oia mau, e kore i taea e Netflix lau ka matau enei rongoā whakaarohia katoa. rere te mea katoa pai, Heoi, no te mea i ngāwari ki te tirohia i te rongoā. tika i taea e Netflix i whakarite i te whakataunga tohu ki nga whakataunga tū-i te rorohiko i te ngahuru (te ngahuru ngā ratou whakamahia ko te pakiaka tapawha o te hapa toharite-porowhā) mua-tohua. Ko te tenei kaha ki te aromātai i hohoro rongoā e whakahohea Netflix ki te whakaae rongoā i te katoa, i tahuri atu ki te kia nui no te mea ka haere mai whakaaro pai i te tahi mau vahi maere. I roto i te meka, ka tukuna te otinga toa i te kapa tīmata e kairangahau e toru i kahore pūnaha mua hanga wheako kiriata kupu (Bell, Koren, and Volinsky 2010) .

Kotahi āhuatanga ataahua o te Netflix paraihe he e whakahohea te reira katoa i roto i te ao ki te whai arotakea ratou otinga tika. A, no te tukuake iwi ratou whakawākanga tohu, kihai i hiahia ratou ki te tukuatu ratou taipitopito tuakiri mātauranga, ratou tau, iwi, te ira tangata, te hōkakatanga, tetahi mea ranei e pā ana ki a ratou ano. Ko te kupu, i tukinotia nga whakawākanga tohu o te orometua rongonui i Stanford rite te taua ano te hunga i te taiohi i roto i tona whare moenga. Kia aroha mai, e kore he pono i roto i te rangahau pāpori tino tenei. Ko, no te rangahau pāpori tino, he wa rawa e kai ana me te wāhanga tuakiri aro mātai. Na, kei te kore tino arotakea te nuinga whakaaro rangahau, a ka e arotakea whakaaro, he uaua ki te whakarere aua aromātai i te kaihanga o nga whakaaro. No te mea he ngāwari ki te tirohia rongoā, tukua waea tuwhera kairangahau ki te uru i te rongoā pea whakamiharo katoa e e hinga i roto i nga kapiti ki te ratou whakaaro anake rongoā i ahorangi rongonui.

Hei tauira, i tetahi wāhi i roto i te tangata Netflix paraihe ki te ingoa mata whakairi Haimona Funk i runga i tona blog i te otinga whakaarohia i runga i te whāwehe uara motuhia, he huarahi i te taurangi rārangi kihai i i i whakamahia i mua i te tahi atu kaiuru. ko te wā kotahi hangarau, me te weirdly ōpaki blog pou o Funk. I tenei blog pou whakaahua i te otinga pai ranei ko reira he ururua o te wā? I waho o te kaupapa karanga tuwhera, ai kore te otinga kua riro aro mātai nui. I muri i kore i katoa Haimona Funk he ahorangi i Cal Tech MIT ranei; ko ia he kaiwhakawhanake pūmanawa e, i te wa, i Backpacking huri noa Aotearoa (Piatetsky 2007) . Ki te i īmēra e ia tenei whakaaro ki te kaipūkaha i Netflix, te reira tata tino e kore kua tangohia tino.

Aua'e, no te mea i mārama, me te ngāwari ki te tono i te paearu aro mātai, i arotakea ana whakawākanga tohu, a ko reira tonu mārama e ko rawa kaha tona huarahi: piki ia ki te wahi wha i roto i te whakataetae, i homai he hua nui i kua e kua te tahi atu kapa mahi hoki nga marama i runga i te raruraru. I roto i te mutunga, i whakamahia e te tata katoa whakataetae nui wahi o te huarahi o Haimona Funk (Bell, Koren, and Volinsky 2010) .

Te meka i whiriwhiria e Haimona Funk ki te tuhituhi i te pou rangitaki whakamārama tona huarahi, nui atu i te tamata ki te pupuri i te reira ngaro, whakaatu hoki e kore i tokomaha kaiuru i roto i te Netflix paraihe anake ue'i e te taonga miriona tāra. Engari, titiro hoki maha kaiuru ki te oaoa i te wero hinengaro me te hapori i whakawhanakehia huri noa te raruraru (Thompson 2008) , ngaahi ongo e tatari ahau e taea e maha kairangahau mahino.

Te Netflix paraihe ko te tauira matarohia o te karanga tuwhera. fai Netflix te pātai ki te whāinga motuhake (matapae whakataunga kiriata) ka whakina nuitia rongoā i te iwi maha. ko Netflix taea ki te arotake i enei rongoā katoa no te i māmā ki te manatoko i te ki te waihanga ratou, a te mutunga tangohia Netflix te otinga pai. Next, ka whakaatu ahau ki a koutou me pehea e taea te whakamahi i tenei huarahi taua i roto i te koiora me te ture.