4.5.1.3 Hanga koutou ake hua
Te hanga koutou ake hua he nui-mōrea, tiketike-utu. Otiia, ki te mahi i te reira, ka taea e koe hua i te koropiko urupare pai e taea rangahau motuhake.
Ka mau i te huarahi o te hanga koutou ake whakamātau kotahi taahiraa atu, etahi kairangahau mau hanga ratou ake hua. Ēnei hua kukume kaiuru, a ka mahi ano tüäpapa mō ngā me ētahi atu momo o te rangahau. Hei tauira, he rōpū o kairangahau i te University o Minnesota hanga MovieLens , e whakarato ana free, kore-arumoni tūtohutanga kiriata whaiaro. Kua whakahaeretia MovieLens tonu mai 1997, a i roto i tenei wa kua whakaratohia 250,000 kaiwhakamahi rēhita ake atu i te 20 miriona whakawākanga e pā ana ki te neke atu i te 30,000 kiriata (Harper and Konstan 2015) . Kua whakamahia MovieLens te hapori kaha o ngā kaiwhakamahi ki te whakahaere i te rangahau faahiahia mai whakamatautau ariā pūtaiao pāpori e pā ana ki ngā ki taonga tūmatanui (Beenen et al. 2004; Cosley et al. 2005; Chen et al. 2010; Ren et al. 2012) Ki te whakatutuki tamataraa algorithmic i roto i ngā pūnaha kupu (Rashid et al. 2002; Drenner et al. 2006; Harper, Sen, and Frankowski 2007; Ekstrand et al. 2015) ; hoki te arotake tonu i kite Harper and Konstan (2015) . e kore e tokomaha o enei ngā i taea kua kahore kairangahau he mana oti i runga i te hua mahi tūturu.
Kia aroha mai, he uaua mīharo hanga koutou ake hua, a kia whakaaro koutou o reira rite te hanga he kamupene tīmatanga-ake: nui-mōrea, tiketike-utu. Ki te he te reira angitu, tuku nui o te mana e tae mai i te hanga tou ake whakamātau ki te talena me ngā kaiuru e haere mai i te mahi i roto i ngā pūnaha tīariari i tēnei huarahi. I tua atu, e taea ki te waihanga i tētahi koropiko urupare pai te wahi e arata'i atu rangahau ki te hua pai e arata'i ki atu kaiwhakamahi e arata'i ki atu kairangahau, me te pera i runga i (Figure 4.15) pea tenei huarahi. I roto i te mau parau te tahi atu, kotahi whana he koropiko urupare pai i roto i, kia whiwhi rangahau māmā me te māmā. Ahakoa te ka huripokitia e pea ki tenei huarahi, e kore e taea e kitea e ahau i tetahi atu tauira o te angitu, e whakaatu tika pehea uaua ko reira ki te mahia pai. Ko, taku e tumanako ko e ka riro tenei rautaki atu mahi rite hangarau whakapiki i. te tikanga o enei mau fifi ki te hanga koutou ake hua e kairangahau e hiahia ana ki te whakahaere i te hua e nui atu pea ki te hoa ki te kamupene, te kaupapa ka whakatutuki ahau i muri.
Feruri 4.15: Ki te pai te taea te hanga e koe tou ake hua, ka taea e koe hua i te koropiko urupare pai: arata'i rangahau ki te hua pai e arata'i ki atu kaiwhakamahi e tika ana ki te atu ara rangahau. Ko enei momo o koropiko urupare pai uaua mīharo ki te waihanga, ko ratou e taea e taea ai rangahau e kore e e kia taea te kore. MovieLens ko te tauira o te kaupapa rangahau e whai angitu i roto i te hanga i te koropiko urupare pai (Harper and Konstan 2015) .
