{"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\/sk\/blog\/news\/web-3-0-vtoroj-podhod-k-snaryadu","title":{"rendered":"WEB 3.0 \u2014 druh\u00fd pr\u00edstup k n\u00e1stroju","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"WEB 3.0 \u2014 druh\u00fd pr\u00edstup k n\u00e1stroju\" src=\"\/wp-content\/uploads\/2019\/09\/5f43edf0c4097fe89b1de81b9bcec89d.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nNa za\u010diatku trochu hist\u00f3rie.<\/p>\n<p>Web 1.0 je sie\u0165 na pr\u00edstup k obsahu, ktor\u00fd zverej\u0148ovali vlastn\u00edci str\u00e1nok. Statick\u00e9 html str\u00e1nky, pr\u00edstup k inform\u00e1ci\u00e1m iba na \u010d\u00edtanie, hlavnou rados\u0165ou s\u00fa hypertextov\u00e9 odkazy, ktor\u00e9 ved\u00fa na str\u00e1nky tejto a in\u00fdch str\u00e1nok. Typick\u00fd form\u00e1t str\u00e1nky je informa\u010dn\u00fd zdroj. \u00c9ra pren\u00e1\u0161ania offline obsahu do siete: digitaliz\u00e1cia kn\u00edh, skenovanie obr\u00e1zkov (digit\u00e1lne fotoapar\u00e1ty boli e\u0161te raritou).<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<p>Web 2.0 je soci\u00e1lna sie\u0165, ktor\u00e1 sp\u00e1ja \u013eud\u00ed. U\u017e\u00edvatelia, hlboko ponoren\u00ed do internetov\u00e9ho priestoru, vytv\u00e1raj\u00fa obsah priamo na webov\u00fdch str\u00e1nkach. Interakt\u00edvne dynamick\u00e9 str\u00e1nky, tagovanie obsahu, webov\u00e1 syndik\u00e1cia, technol\u00f3gia mash-up, AJAX, webov\u00e9 slu\u017eby. Informa\u010dn\u00e9 zdroje ustupuj\u00fa soci\u00e1lnym sie\u0165am, blogom, wiki. \u00c9ra online gener\u00e1cie obsahu.<\/p>\n<p>Je jasn\u00e9, \u017ee term\u00edn \"web 1.0\" vznikol len po vzniku \"web 2.0\", aby ozna\u010dil predch\u00e1dzaj\u00faci internet. A prakticky hne\u010f za\u010dali rozhovory o bud\u00facej verzii 3.0. Variants for understanding this future were several, and all of them, of course, were related to overcoming the shortcomings and limitations of web 2.0.<\/p>\n<p>Ved\u00faci Netscape.com Jason Calacanis sa predov\u0161etk\u00fdm ob\u00e1val n\u00edzkej kvality obsahu vytv\u00e1ran\u00e9ho pou\u017e\u00edvate\u013emi a predpokladal, \u017ee bud\u00facnos\u0165 internetu patr\u00ed \"nezamestnan\u00fdm \u013eu\u010fom\", ktor\u00ed za\u010dn\u00fa \"vytv\u00e1ra\u0165 kvalitn\u00fd obsah\" (Web 3.0, \u201eofici\u00e1lne\u201c defin\u00edcia, 2007). My\u0161lienka je celkom rozumn\u00e1, ale ako a kde to bud\u00fa robi\u0165, na ktor\u00fdch str\u00e1nkach, neobjasnil. Ur\u010dite nie na Facebooku. <\/p>\n<p>Autor term\u00ednu \"web 2.0\" Tim O'Reilly rozumne predpokladal, \u017ee na umiestnenie inform\u00e1ci\u00ed v sieti nie je povinn\u00fd tak\u00fd nespolehliv\u00fd prostredn\u00edk, ako je \u010dlovek. \u00dadaje do internetu m\u00f4\u017eu dod\u00e1va\u0165 aj technick\u00e9 zariadenia. A tie ist\u00e9 technick\u00e9 zariadenia m\u00f4\u017eu \u010d\u00edta\u0165 \u00fadaje priamo z webov\u00fdch \u00falo\u017e\u00edsk. V podstate, Tim O'Reilly navrhol asociova\u0165 web 3.0 s u\u017e zn\u00e1mym term\u00ednom \"internet vec\u00ed\".<\/p>\n<p>Jedn\u00fdm z zakladate\u013eov celosvetovej siete Tim Berners-Lee videl v bud\u00facej verzii internetu uskuto\u010dnenie svojho d\u00e1vneho (1998) sna o s\u00e9mantickej webovej str\u00e1nke. A jeho interpret\u00e1cia tohto term\u00ednu vyhrala - v\u00e4\u010d\u0161ina t\u00fdch, ktor\u00ed hovorili o \u201eweb 3.0\u201c, doposia\u013e mala na mysli pr\u00e1ve s\u00e9matick\u00fd web, teda sie\u0165, v ktorej by bol obsah str\u00e1nok zmyslupln\u00fd pre po\u010d\u00edta\u010d, strojovo \u010ditate\u013en\u00fd. Kdesi okolo rokov 2010-2012 bolo ve\u013ea re\u010d\u00ed o ontologiz\u00e1cii, vo ve\u013ekom sa rodili s\u00e9mantick\u00e9 projekty, ale v\u00fdsledok je zn\u00e1my v\u0161etk\u00fdm - st\u00e1le pou\u017e\u00edvame internet verziu 2.0. Plnohodnotne pre\u017eila vlastne len sch\u00e9ma s\u00e9mantick\u00e9ho ozna\u010dovania Schema.org a grafy znalost\u00ed internetov\u00fdch gigantov Google, Microsoft, Facebook, LinkedIn.<\/p>\n<p>Skry\u0165 zlyhanie s\u00e9mantick\u00e9ho webu pomohli nov\u00e9 mocn\u00e9 vlny digit\u00e1lnych inov\u00e1ci\u00ed. Z\u00e1ujem m\u00e9di\u00ed a verejnosti sa presunul na ve\u013ek\u00e9 d\u00e1ta, internet vec\u00ed, hlbok\u00e9 u\u010denie, bezpilotn\u00e9 lietadl\u00e1, roz\u0161\u00edren\u00fa realitu a, samozrejme, blockchain. Ak s\u00fa prv\u00e9 na zozname do zna\u010dnej miery offline-technol\u00f3gie, blockchain je v podstate sie\u0165ov\u00fd projekt. Na vrchole svojej popularity v rokoch 2017-2018 sa dokonca uch\u00e1dzal o rolu nov\u00e9ho internetu (t\u00fato my\u0161lienku opakovane zd\u00f4raz\u0148oval jeden zo zakladate\u013eov Etherea Joseph Lubin).<\/p>\n<p>Ale \u010das plynul, a slovo \u201eblockchain\u201c sa za\u010dalo sp\u00e1ja\u0165 u\u017e nie s prielomom do bud\u00facnosti, ale sk\u00f4r s neopodstatnen\u00fdmi n\u00e1dejami. A prirodzene vznikol n\u00e1pad na rebranding: a \u010do keby sme o blockchaine nehovorili ako o samostatnom projekte, ale zahrnuli ho do technol\u00f3gi\u00ed, ktor\u00e9 steles\u0148uj\u00fa v\u0161etko nov\u00e9 a svetl\u00e9. Hne\u010f pre toto \u201enov\u00e9\u201c sa na\u0161lo n\u00e1zov (pravda, nie nov\u00fd) \u201eweb 3.0\u201c. A aby sme nejak ospravedlnili t\u00fato nenovos\u0165 n\u00e1zvu, museli sme do \u201erozjasnen\u00e9ho\u201c stacku zahrn\u00fa\u0165 aj s\u00e9mantick\u00fa sie\u0165. <\/p>\n<p>Tak\u017ee, v s\u00fa\u010dasnosti nie je na sc\u00e9ne blockchain, ale infra\u0161trukt\u00fara decentralizovan\u00e9ho internetu web 3.0, ktor\u00e1 sa sklad\u00e1 z nieko\u013ek\u00fdch z\u00e1kladn\u00fdch technol\u00f3gi\u00ed: blockchain, strojov\u00e9 u\u010denie, s\u00e9mantick\u00fd web a internet vec\u00ed. V mnoh\u00fdch textoch, ktor\u00e9 sa objavili za posledn\u00fd rok a s\u00fa venovan\u00e9 novej inkarn\u00e1cii web 3.0, sa d\u00e1 podrobne dozvedie\u0165 o ka\u017edej jeho s\u00fa\u010dasti, ale, bohu\u017eia\u013e, neexistuje odpove\u010f na prirodzen\u00e9 ot\u00e1zky: ako sa tieto technol\u00f3gie sp\u00e1jaj\u00fa do jedn\u00e9ho celku, pre\u010do potrebuj\u00fa neurov\u00e9 siete internet vec\u00ed a s\u00e9mantick\u00fd web blockchain? V\u00e4\u010d\u0161ina t\u00edmov sa jednoducho na\u010falej zaober\u00e1 blockchainom (pravdepodobne v n\u00e1deji, \u017ee vytvor\u00ed kryptomenu, ktor\u00e1 prekon\u00e1 bitcoin, alebo len uplat\u0148uje invest\u00edcie), ale pod nov\u00fdm sloganom 'web 3.0'. Napriek tomu aspo\u0148 nie\u010do o bud\u00facnosti, a nie o neopodstatnen\u00fdch n\u00e1dejin\u00e1ch.<\/p>\n<p>Ale nie je to a\u017e tak\u00e9 smutn\u00e9. Teraz sa pok\u00fasim stru\u010dne odpoveda\u0165 na predlo\u017een\u00e9 ot\u00e1zky.<\/p>\n<p>Pre\u010do potrebuje s\u00e9mantick\u00e1 sie\u0165 blockchain? Samozrejme, tu treba hovori\u0165 nie o blockchain samotnom (re\u0165azci kryptograficky prepojen\u00fdch blokov), ale o technol\u00f3gii, ktor\u00e1 zabezpe\u010duje identifik\u00e1ciu pou\u017e\u00edvate\u013eov, konsenzu\u00e1lnu valid\u00e1ciu a ochranu obsahu na z\u00e1klade kryptografick\u00fdch met\u00f3d v peer-to-peer sieti. Tak\u017ee, s\u00e9mantick\u00fd graf ako tak\u00e1to sie\u0165 z\u00edskava spo\u013eahliv\u00e9 decentralizovan\u00e9 \u00falo\u017eisko s kryptografickou identifik\u00e1ciou z\u00e1znamov a pou\u017e\u00edvate\u013eov. Toto nie je s\u00e9mantick\u00e9 ozna\u010dovanie str\u00e1nok na bezplatnom hostingu.<\/p>\n<p>Pre\u010do potrebuje podmienen\u00fd blockchain syntax? Ontol\u00f3gia sa v podstate zaober\u00e1 rozde\u013eovan\u00edm obsahu pod\u013ea predmetn\u00fdch oblast\u00ed a \u00farovn\u00ed. A to znamen\u00e1, \u017ee na peer-to-peer sie\u0165 nasaden\u00e1 s\u00e9mantick\u00e1 sie\u0165 \u2014 a jednoducho povedan\u00e9, organiz\u00e1cia sie\u0165ov\u00fdch d\u00e1t do jedn\u00e9ho s\u00e9mantick\u00e9ho grafu \u2014 zabezpe\u010duje prirodzen\u00fa klasteriz\u00e1ciu siete, teda jej horizont\u00e1lne \u0161k\u00e1lovanie. \u00darov\u0148ov\u00e1 organiz\u00e1cia grafu umo\u017e\u0148uje paraleln\u00e9 spracovanie s\u00e9manticky nez\u00e1visl\u00fdch d\u00e1t. Toto je u\u017e architekt\u00fara d\u00e1t, a nie len nah\u00e1dzanie v\u0161etk\u00e9ho bez rozl\u00ed\u0161enia do blokov a ich ukladanie na v\u0161etk\u00fdch uzloch.<\/p>\n<p>Pre\u010do je pre internet vec\u00ed d\u00f4le\u017eit\u00e1 semantika a blockchain? S blockchainom je to akosi trivi\u00e1lne \u2014 je potrebn\u00fd ako spo\u013eahliv\u00e9 \u00falo\u017eisko so zabudovan\u00fdm syst\u00e9mom identifik\u00e1cie akt\u00e9rov (vr\u00e1tane IoT senzorov) pomocou kryptografick\u00fdch k\u013e\u00fa\u010dov. A semantika, na jednej strane, umo\u017e\u0148uje segregova\u0165 tok d\u00e1t pod\u013ea predmetov\u00fdch klastrov, \u010do znamen\u00e1, \u017ee u\u013eah\u010duje z\u00e1\u0165a\u017e uzlov, na druhej strane, dok\u00e1\u017ee spravi\u0165 d\u00e1ta odosielan\u00e9 IoT zariadeniami zmyslupln\u00fdmi, a teda nez\u00e1visl\u00fdmi od aplik\u00e1ci\u00ed. M\u00f4\u017eeme zabudn\u00fa\u0165 na po\u017eiadavku na dokument\u00e1ciu API aplik\u00e1ci\u00ed.<\/p>\n<p>A zost\u00e1va zisti\u0165, ak\u00fd je vz\u00e1jomn\u00fd profit z prepojovania strojov\u00e9ho u\u010denia a semantickej siete? No, tu je to \u00faplne jednoduch\u00e9. Kde, ak nie v semantickom grafe, mo\u017eno n\u00e1js\u0165 tak\u00fd obrovsk\u00fd s\u00fabor validovan\u00fdch, \u0161trukt\u00farovan\u00fdch, v\u00fdznamovo definovan\u00fdch d\u00e1t v jedinom form\u00e1te, ktor\u00fd je nevyhnutn\u00fd na u\u010denie neur\u00f3nov\u00fdch siet\u00ed? Na druhej strane, \u010do lep\u0161ie ako neur\u00f3nov\u00e1 sie\u0165 analyzuje graf na pr\u00edtomnos\u0165 u\u017eito\u010dn\u00fdch alebo \u0161kodliv\u00fdch anom\u00e1li\u00ed, povedzme, na odha\u013eovanie nov\u00fdch pojmov, synonym alebo spamu? <\/p>\n<p>A tak\u00fdto web 3.0 potrebujeme. Jason Calacanis povie: hovoril som, \u017ee to bude n\u00e1stroj na vytv\u00e1ranie kvalitn\u00e9ho obsahu talentovan\u00fdmi \u013eu\u010fmi. Tim Berners-Lee bude spokojn\u00fd: semantika vl\u00e1dne. A Tim O'Reilly tie\u017e bude ma\u0165 pravdu: web 3.0 je o 'interakcii internetu s fyzick\u00fdm svetom', o zmiznut\u00ed hranice medzi online a offline, ke\u010f zabudneme na slov\u00e1 'vst\u00fapte do siete'.<\/p>\n<p>Moje predch\u00e1dzaj\u00face pr\u00edstupy k t\u00e9me<\/p>\n<ol>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/255745\/\">Filozofia evol\u00facie a evol\u00facia internetu<\/a><\/noindex> (2012)<\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/www.youtube.com\/watch?v=6qXSUp_-las\">Evol\u00facia internetu. Bud\u00facnos\u0165 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 centrizmu webu k centrizmu pou\u017e\u00edvate\u013eov, od anarchie k pluralizmu<\/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 alebo \u017eivot bez webov\u00fdch str\u00e1nok<\/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 5.0.4 - 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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