{"id":38376,"date":"2019-10-31T22:23:21","date_gmt":"2019-10-31T19:23:21","guid":{"rendered":"https:\/\/prohoster.info\/blog\/web-3-0-vtoroj-podhod-k-snaryadu\/"},"modified":"2019-10-31T22:23:21","modified_gmt":"2019-10-31T19:23:21","slug":"web-3-0-vtoroj-podhod-k-snaryadu","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/web-3-0-vtoroj-podhod-k-snaryadu","title":{"rendered":"WEB 3.0 \u2014 druh\u00fd p\u0159\u00edstup k za\u0159\u00edzen\u00ed","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"WEB 3.0 \u2014 druh\u00fd p\u0159\u00edstup k za\u0159\u00edzen\u00ed\" src=\"\/wp-content\/uploads\/2019\/09\/5f43edf0c4097fe89b1de81b9bcec89d.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nNejprve trochu historie.<\/p>\n<p>Web 1.0 \u2014 je s\u00ed\u0165 pro p\u0159\u00edstup k obsahu, kter\u00fd um\u00eds\u0165ovali na str\u00e1nky jejich vlastn\u00edci. Statick\u00e9 html str\u00e1nky, p\u0159\u00edstup k informac\u00edm pouze pro \u010dten\u00ed, hlavn\u00ed radost\u00ed jsou hypertextov\u00e9 odkazy vedouc\u00ed na str\u00e1nky t\u00e9to a dal\u0161\u00edch web\u016f. Typick\u00fdm form\u00e1tem webu je informa\u010dn\u00ed zdroj. \u00c9ra p\u0159evodu offline obsahu do s\u00edt\u011b: digitalizace knih, skenov\u00e1n\u00ed obr\u00e1zk\u016f (digit\u00e1ln\u00ed fotoapar\u00e1ty byly je\u0161t\u011b vz\u00e1cnost\u00ed).<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<p>Web 2.0 \u2014 soci\u00e1ln\u00ed s\u00ed\u0165 spojuj\u00edc\u00ed lidi. U\u017eivatel\u00e9, pono\u0159eni a\u017e po u\u0161i do internetov\u00e9ho prostoru, vytv\u00e1\u0159ej\u00ed obsah p\u0159\u00edmo na webov\u00fdch str\u00e1nk\u00e1ch. Interaktivn\u00ed dynamick\u00e9 weby, tagov\u00e1n\u00ed obsahu, webov\u00e1 syndikace, technologie mash-up, AJAX, webov\u00e9 slu\u017eby. Informa\u010dn\u00ed zdroje ustupuj\u00ed m\u00edst\u016fm na soci\u00e1ln\u00edch s\u00edt\u00edch, blogovac\u00edch platform\u00e1ch, wiki. \u00c9ra online generov\u00e1n\u00ed obsahu.<\/p>\n<p>Je jasn\u00e9, \u017ee term\u00edn \u201cweb 1.0\u201d vznikl a\u017e po p\u0159\u00edchodu \u201cweb 2.0\u201d, aby ozna\u010dil p\u0159edchoz\u00ed internet. A t\u00e9m\u011b\u0159 okam\u017eit\u011b za\u010daly diskuse o budouc\u00ed verzi 3.0. Existovalo n\u011bkolik r\u016fzn\u00fdch pohled\u016f na tuto budoucnost a v\u0161echny, samoz\u0159ejm\u011b, byly spojeny s p\u0159ekon\u00e1n\u00edm nedostatk\u016f a omezen\u00ed webu 2.0.<\/p>\n<p>Vedouc\u00ed Netscape.com Jason Calacanis si p\u0159edev\u0161\u00edm d\u011blal starosti s n\u00edzkou kvalitou obsahu vytv\u00e1\u0159en\u00e9ho u\u017eivateli a p\u0159edpokl\u00e1dal, \u017ee budoucnost internetu pat\u0159\u00ed \"nadan\u00fdm lidem\", kte\u0159\u00ed za\u010dnou \"vytv\u00e1\u0159et vysokokvalitn\u00ed obsah\" (Web 3.0, \"ofici\u00e1ln\u00ed\" definice, 2007). Tento n\u00e1zor je zcela rozumn\u00fd, ale jak a kde to budou d\u011blat, na jak\u00fdch str\u00e1nk\u00e1ch, toto nevysv\u011btlil. No p\u0159ece ne na Facebooku. <\/p>\n<p>Autor term\u00ednu \u201cweb 2.0\u201d Tim O'Reilly rozumn\u011b p\u0159edpokl\u00e1dal, \u017ee pro umis\u0165ov\u00e1n\u00ed informac\u00ed do s\u00edt\u011b nen\u00ed nutn\u00fd tak nespolehliv\u00fd prost\u0159edn\u00edk, jako je \u010dlov\u011bk. Data do internetu mohou dod\u00e1vat i technick\u00e1 za\u0159\u00edzen\u00ed. A tato stejn\u00e1 technick\u00e1 za\u0159\u00edzen\u00ed mohou \u010d\u00edst data p\u0159\u00edmo z webov\u00fdch \u00falo\u017ei\u0161\u0165. V podstat\u011b Tim O'Reilly navrhl spojit web 3.0 s pro n\u00e1s ji\u017e zn\u00e1m\u00fdm term\u00ednem \u201cinternet v\u011bc\u00ed\u201d.<\/p>\n<p>Jeden ze zakladatel\u016f sv\u011btov\u00e9 s\u00edt\u011b Tim Berners-Lee vid\u011bl v budouc\u00ed verzi internetu napln\u011bn\u00ed sv\u00e9ho d\u00e1vn\u00e9ho (1998) snu o s\u00e9mantick\u00e9m webu. A jeho v\u00fdklad term\u00ednu zv\u00edt\u011bzil \u2014 v\u011bt\u0161ina t\u011bch, kdo hovo\u0159ili o \u201ewebu 3.0\u201c, m\u011bla a\u017e doned\u00e1vna na mysli pr\u00e1v\u011b s\u00e9mantick\u00fd web, tedy s\u00ed\u0165, ve kter\u00e9 by obsah str\u00e1nek byl pro po\u010d\u00edta\u010de smyslupln\u00fd a strojov\u011b \u010diteln\u00fd. N\u011bkdy v letech 2010-2012 se diskutovalo o ontologizaci, vznikalo mno\u017estv\u00ed s\u00e9mantick\u00fdch projekt\u016f, ale v\u00fdsledek je v\u0161em zn\u00e1m \u2014 st\u00e1le pou\u017e\u00edv\u00e1me internet verze 2.0. Pln\u011b p\u0159e\u017eila, v podstat\u011b, jenom sch\u00e9ma s\u00e9mantick\u00e9ho zna\u010den\u00ed Schema.org a grafy znalost\u00ed internetov\u00fdch obr\u016f Google, Microsoft, Facebook, LinkedIn.<\/p>\n<p>Skryt\u00ed selh\u00e1n\u00ed s\u00e9mantick\u00e9ho webu pomohly nov\u00e9 siln\u00e9 vlny digit\u00e1ln\u00edch inovac\u00ed. Z\u00e1jem m\u00e9di\u00ed a ve\u0159ejnosti se p\u0159esunul na velk\u00e1 data, internet v\u011bc\u00ed, hlubok\u00e9 u\u010den\u00ed, bezpilotn\u00ed technologie, roz\u0161\u00ed\u0159enou realitu a samoz\u0159ejm\u011b blockchain. Zat\u00edmco prvn\u00ed z uveden\u00e9ho seznamu jsou p\u0159ev\u00e1\u017en\u011b offline technologie, blockchain je v podstat\u011b s\u00ed\u0165ov\u00fd projekt. Na vrcholu sv\u00e9 popularity v letech 2017-2018 dokonce usiloval o roli nov\u00e9ho internetu (tuto my\u0161lenku opakovan\u011b vyjad\u0159oval jeden ze zakladatel\u016f Etherea Joseph Lubin).<\/p>\n<p>Ale \u010das plynul a slovo \u201eblockchain\u201c se za\u010dalo asociovat ne s pr\u016flomem do budoucnosti, ale sp\u00ed\u0161e s neopodstatn\u011bn\u00fdmi nad\u011bjemi. A p\u0159irozen\u011b vznikla my\u0161lenka rebrandingu: co kdybychom o blockchainu nemluvili jako o sob\u011bsta\u010dn\u00e9m projektu, ale za\u0159adili bychom ho do technologick\u00e9ho stacku, kter\u00fd zosob\u0148uje v\u0161echno nov\u00e9 a sv\u011btl\u00e9. Pro toto \u201enov\u00e9\u201c hned na\u0161li n\u00e1zev (i kdy\u017e ne zcela nov\u00fd) \u201eweb 3.0\u201c. A aby se n\u011bjak ospravedlnila tato nenovost n\u00e1zvu, musela se do \u201esv\u011btl\u00e9ho\u201c stacku zahrnout i s\u00e9mantick\u00e1 s\u00ed\u0165. <\/p>\n<p>Tak\u017ee nyn\u00ed nen\u00ed v trendu blockchain, ale infrastruktura decentralizovan\u00e9ho internetu web 3.0, kter\u00e1 se skl\u00e1d\u00e1 z n\u011bkolika kl\u00ed\u010dov\u00fdch technologi\u00ed: blockchainu, strojov\u00e9ho u\u010den\u00ed, s\u00e9mantick\u00e9ho webu a internetu v\u011bc\u00ed. V mnoha nov\u011b vznikl\u00fdch textech za posledn\u00ed rok v\u011bnovan\u00fdch nov\u00e9 inkarnaci webu 3.0 se lze podrobn\u011b dozv\u011bd\u011bt o ka\u017ed\u00e9 z jeho sou\u010d\u00e1st\u00ed, ale tady je probl\u00e9m: neexistuje odpov\u011b\u010f na p\u0159irozen\u00e9 ot\u00e1zky: jak se tyto technologie spojuj\u00ed v celek, pro\u010d pot\u0159ebuj\u00ed neuronov\u00e9 s\u00edt\u011b internet v\u011bc\u00ed, a s\u00e9mantick\u00fd web blockchain? V\u011bt\u0161ina t\u00fdm\u016f se prost\u011b d\u00e1l zab\u00fdv\u00e1 blockchainem (asi v nad\u011bji, \u017ee vytvo\u0159\u00ed kryptom\u011bnu, kter\u00e1 by mohla p\u0159ekonat Bitcoin, nebo jen tak spl\u00e1cej\u00ed investice), ale pod nov\u00fdm ozna\u010den\u00edm \u201eweb 3.0\u201c. P\u0159esto alespo\u0148 n\u011bco o budoucnosti, a ne o neopodstatn\u011bn\u00fdch nad\u011bj\u00edch.<\/p>\n<p>Ale ne v\u0161echno je tak tragick\u00e9. Nyn\u00ed se pokus\u00edm stru\u010dn\u011b odpov\u011bd\u011bt na v\u00fd\u0161e polo\u017een\u00e9 ot\u00e1zky.<\/p>\n<p>Pro\u010d pot\u0159ebuje s\u00e9mantick\u00e1 s\u00ed\u0165 blockchain? Samoz\u0159ejm\u011b, je nutn\u00e9 mluvit ne o blockchainu samotn\u00e9m (\u0159et\u011bzci kryptograficky spojen\u00fdch blok\u016f), ale o technologii, kter\u00e1 zaji\u0161\u0165uje identifikaci u\u017eivatel\u016f, konsensu\u00e1ln\u00ed validaci a ochranu obsahu na z\u00e1klad\u011b kryptografick\u00fdch metod v peer-to-peer s\u00edti. Tak\u017ee s\u00e9mantick\u00fd graf jako takov\u00e1 s\u00ed\u0165 z\u00edsk\u00e1v\u00e1 spolehliv\u00e9 decentralizovan\u00e9 \u00falo\u017ei\u0161t\u011b s kryptografickou identifikac\u00ed z\u00e1znam\u016f a u\u017eivatel\u016f. To nen\u00ed s\u00e9mantick\u00e9 ozna\u010dov\u00e1n\u00ed str\u00e1nek na bezplatn\u00e9m hostingu.<\/p>\n<p>Pro\u010d pot\u0159ebuje smy\u0161len\u00fd blockchain s\u00e9mantiku? Ontologie, to je vlastn\u011b o rozd\u011blov\u00e1n\u00ed obsahu podle tematick\u00fdch oblast\u00ed a \u00farovn\u00ed. A to znamen\u00e1, \u017ee na peer-to-peer s\u00ed\u0165 navr\u017een\u00e1 s\u00e9mantick\u00e1 pavu\u010dina - a pokud to \u0159ekneme jednodu\u0161e, organizace s\u00ed\u0165ov\u00fdch dat do jedin\u00e9ho s\u00e9mantick\u00e9ho grafu - zaji\u0161\u0165uje p\u0159irozenou klasterizaci s\u00edt\u011b, tedy jej\u00ed horizont\u00e1ln\u00ed \u0161k\u00e1lovatelnost. \u00darov\u0148ov\u00e1 organizace grafu umo\u017e\u0148uje paralelizaci zpracov\u00e1n\u00ed s\u00e9manticky nez\u00e1visl\u00fdch dat. To u\u017e je architektura dat, a ne neomezen\u00e9 shroma\u017e\u010fov\u00e1n\u00ed v\u0161eho do blok\u016f a jeho ukl\u00e1d\u00e1n\u00ed na v\u0161echny uzly.<\/p>\n<p>Pro\u010d pot\u0159ebuje internet v\u011bc\u00ed s\u00e9mantiku a blockchain? S blockchainem to vypad\u00e1 jasn\u011b \u2014 je pot\u0159eba jako spolehliv\u00e9 \u00falo\u017ei\u0161t\u011b se zabudovan\u00fdm syst\u00e9mem identifikace akt\u00e9r\u016f (v\u010detn\u011b IoT senzor\u016f) pomoc\u00ed kryptografick\u00fdch kl\u00ed\u010d\u016f. S\u00e9mantika na jedn\u00e9 stran\u011b umo\u017e\u0148uje segregovat tok dat podle tematick\u00fdch klastr\u016f, co\u017e zaji\u0161\u0165uje odleh\u010den\u00ed uzl\u016f, na druh\u00e9 stran\u011b d\u00e1v\u00e1 dat\u016fm odes\u00edlan\u00fdm IoT za\u0159\u00edzen\u00edmi smysl, tak\u017ee jsou nez\u00e1visl\u00e1 na aplikac\u00edch. M\u016f\u017eeme zapomenout na \u017e\u00e1dost o dokumentaci k API aplikac\u00ed.<\/p>\n<p>A zb\u00fdv\u00e1 vyjasnit, jak\u00fd je vz\u00e1jemn\u00fd profit ze spojen\u00ed strojov\u00e9ho u\u010den\u00ed a s\u00e9mantick\u00e9 s\u00edt\u011b? No, tady je to zcela jednoduch\u00e9. Kde, jak ne v s\u00e9mantick\u00e9m grafu, lze naj\u00edt tak obrovsk\u00fd objem validovan\u00fdch, strukturovan\u00fdch, smyslov\u011b definovan\u00fdch dat v jednotn\u00e9m form\u00e1tu, tolik pot\u0159ebn\u00e9m pro tr\u00e9nink neuronov\u00fdch s\u00edt\u00ed? Na druhou stranu, co by mohlo l\u00e9pe ne\u017e neuronov\u00e1 s\u00ed\u0165 analyzovat graf za \u00fa\u010delem nalezen\u00ed u\u017eite\u010dn\u00fdch nebo \u0161kodliv\u00fdch anom\u00e1li\u00ed, nap\u0159. pro odhalen\u00ed nov\u00fdch koncept\u016f, synonym nebo spamu? <\/p>\n<p>A takov\u00fd web 3.0 pot\u0159ebujeme. Jason Calacanis \u0159ekne: \u0159\u00edkal jsem, \u017ee to bude n\u00e1stroj pro tvorbu vysoce kvalitn\u00edho obsahu nadan\u00fdmi lidmi. Tim Berners-Lee bude spokojen: s\u00e9mantika vl\u00e1dne. A Tim O'Reilly tak\u00e9 bude m\u00edt pravdu: web 3.0 je o \"interakci internetu s fyzick\u00fdm sv\u011btem\", o st\u00edr\u00e1n\u00ed hranice mezi online a offline, kdy zapomeneme na slova \"vstoupit do s\u00edt\u011b\".<\/p>\n<p>Moje p\u0159edchoz\u00ed p\u0159\u00edstupy k t\u00e9matu<\/p>\n<ol>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/255745\/\">Filozofie evoluce a evoluce internetu<\/a><\/noindex> (2012)<\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/www.youtube.com\/watch?v=6qXSUp_-las\">Evoluce internetu. Budoucnost internetu. Web 3.0<\/a><\/noindex> (video, 2013)<\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/256083\/\">WEB 3.0. Od webocentrismu k u\u017eivatelsk\u00e9mu centrismu, od anarchie k pluralismu<\/a><\/noindex> (2015)<\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/vc.ru\/future\/81683-web-3-0-ili-zhizn-bez-saytov\">WEB 3.0 nebo \u017eivot bez webov\u00fdch str\u00e1nek<\/a><\/noindex> (2019)<\/li>\n<\/ol>\n<p>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/468557\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0421\u043d\u0430\u0447\u0430\u043b\u0430 \u043d\u0435\u043c\u043d\u043e\u0433\u043e \u0438\u0441\u0442\u043e\u0440\u0438\u0438. Web 1.0 \u2014 \u044d\u0442\u043e \u0441\u0435\u0442\u044c \u0434\u043b\u044f \u0434\u043e\u0441\u0442\u0443\u043f\u0430 \u043a \u043a\u043e\u043d\u0442\u0435\u043d\u0442\u0443, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0440\u0430\u0437\u043c\u0435\u0449\u0430\u043b\u0438 \u043d\u0430 \u0441\u0430\u0439\u0442\u0430\u0445 \u0438\u0445 \u0432\u043b\u0430\u0434\u0435\u043b\u044c\u0446\u044b. \u0421\u0442\u0430\u0442\u0438\u0447\u043d\u044b\u0435 html-\u0441\u0442\u0440\u0430\u043d\u0438\u0446\u044b, \u0434\u043e\u0441\u0442\u0443\u043f \u043a \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438 \u0442\u043e\u043b\u044c\u043a\u043e \u0434\u043b\u044f \u0447\u0442\u0435\u043d\u0438\u044f, \u043e\u0441\u043d\u043e\u0432\u043d\u0430\u044f \u0440\u0430\u0434\u043e\u0441\u0442\u044c \u2014 \u0433\u0438\u043f\u0435\u0440\u0441\u0441\u044b\u043b\u043a\u0438, \u0432\u0435\u0434\u0443\u0449\u0438\u0435 \u043d\u0430 \u0441\u0442\u0440\u0430\u043d\u0438\u0446\u044b \u044d\u0442\u043e\u0433\u043e \u0438 \u0434\u0440\u0443\u0433\u0438\u0445 \u0441\u0430\u0439\u0442\u043e\u0432. \u0422\u0438\u043f\u0438\u0447\u043d\u044b\u0439 \u0444\u043e\u0440\u043c\u0430\u0442 \u0441\u0430\u0439\u0442\u0430 \u2014 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u043e\u043d\u043d\u044b\u0439 \u0440\u0435\u0441\u0443\u0440\u0441. \u042d\u043f\u043e\u0445\u0430 \u043f\u0435\u0440\u0435\u043d\u043e\u0441\u0430 \u0432 \u0441\u0435\u0442\u044c offline-\u043a\u043e\u043d\u0442\u0435\u043d\u0442\u0430: \u043e\u0446\u0438\u0444\u0440\u043e\u0432\u043a\u0430 \u043a\u043d\u0438\u0433, \u0441\u043a\u0430\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u043a\u0430\u0440\u0442\u0438\u043d\u043e\u043a (\u0446\u0438\u0444\u0440\u043e\u0432\u044b\u0435 \u0444\u043e\u0442\u043e\u0430\u043f\u043f\u0430\u0440\u0430\u0442\u044b \u0431\u044b\u043b\u0438 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":28807,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-38376","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0421\u043d\u0430\u0447\u0430\u043b\u0430 \u043d\u0435\u043c\u043d\u043e\u0433\u043e \u0438\u0441\u0442\u043e\u0440\u0438\u0438. 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