{"id":78146,"date":"2020-04-17T01:42:21","date_gmt":"2020-04-16T23:42:21","guid":{"rendered":"https:\/\/prohoster.info\/blog\/administrirovanie\/divizion-dannyh-2013-god-retrospektiva"},"modified":"2020-04-17T01:42:21","modified_gmt":"2020-04-16T23:42:21","slug":"divizion-dannyh-2013-god-retrospektiva","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/administrirovanie\/divizion-dannyh-2013-god-retrospektiva","title":{"rendered":"Divizia de date. 2013. Retrospectiv\u0103","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>\u00cen 2013 <b>IBS<\/b>, care atunci, pare-se, creau <b>Divizia de date<\/b>, m-au rugat s\u0103 fac un brain dump (exclusiv pe baza experien\u021bei mele de interac\u021biune cu clien\u021bii corporativi din domeniul petrolier \u0219i gazier) cu privire la domeniul problematic Big Data, dar \u0219i al Datelor \u00een general. Iat\u0103 c\u0103 am dat peste el dup\u0103 7 ani \u0219i mi s-a p\u0103rut amuzant. Unele lucruri sunt evidente. Unele s-au dovedit a fi nu tocmai corecte, dar... au trecut 7 ani. <\/p>\n<p>Am scris \u00een englez\u0103 \u0219i m-am g\u00e2ndit s\u0103 traduc \u00een rom\u00e2n\u0103. Poate c\u0103 ceva este relevant \u0219i acum? (Voi traduce punctele, iar tabelele le voi l\u0103sa \u00een englez\u0103 din lene. Verde \u2013 bine, ro\u0219u \u2013 periculos, albastru \u2013 vis). <\/p>\n<p>Voi face comentarii minime din \u00abast\u0103zi\u00bb <i>\u00een italice<\/i>, pentru a fi clar \u0219i distinct.<\/p>\n<p>A\u0219adar, DATELE! Ne trebuie date...<br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><br \/>\nDivizia de Date este Divizia S\u00e2ngelui, deoarece datele pot fi comparate, de exemplu, cu s\u00e2ngele care curge prin venele \u0219i artele organismului de afaceri. Cu toate acestea, de\u0219i s\u00e2ngele este acela\u0219i, organismele sunt diferite \u0219i, prin urmare, <b>produc\u021bia<\/b> este foarte dificil\u0103, dar reprezint\u0103 \u0219i o oportunitate pentru dezvoltare. <\/p>\n<p>Exist\u0103 oameni c\u0103rora datele le sar direct \u00een ochi \u2013 aceasta este <b>Noi<\/b>. <br \/>\n\u0218i exist\u0103 oameni care, din p\u0103cate, nu v\u0103d datele deloc. Aceasta, din nou din p\u0103cate, sunt <b>Clien\u021bii no\u0219tri<\/b>!<\/p>\n<p><img decoding=\"async\" alt=\"Divizia de date. 2013. Retrospectiv\u0103\" src=\"\/wp-content\/uploads\/2020\/04\/5f02356568e8bbaee4baebb4f8928cdb.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nDeci, <b>postulatele de business...<\/b><\/p>\n<ol>\n<li>V\u00e2nz\u0103m <b>business-ului<\/b>, nu <b>IT<\/b> (s\u0103 m\u0103 ierte to\u021bi IT-i\u0219tii deodat\u0103) pentru c\u0103 rezolv\u0103m probleme globale, \u0219i s\u0103 facem \u0219i mai mul\u021bi bani.<\/li>\n<li>Toate problemele de business sunt concentrate \u00een jurul verticalelor tematice \u0219i vor necesita o <b>specializare<\/b>.<\/li>\n<li>\u00cencerc\u0103rile de a demonstra <b>valoarea \u00abdatelor\u00bb<\/b> sau, ceea ce este \u0219i mai greu, valoarea \u00abmanagementului datelor\u00bb pentru business \u2013 aceasta este o suferin\u021b\u0103 etern\u0103 \u0219i durere. De fapt, este ca \u0219i cum ai merge la o persoan\u0103 care se simte destul de bine \u0219i s\u0103 spui: \"Cu b\u0103iatule, acum \u00ee\u021bi vom trata s\u00e2ngele, \u0219i, b\u0103iatule, este scump!\"<\/li>\n<li>Visul meu umed este ca, \u00een cadrul unui model SaaS, s\u0103 v\u00e2nd \u00abextrac\u021bia datelor\u00bb \u0219i \u00abanaliza\u00bb <b>\u00eentreprinderilor mici \u0219i mijlocii<\/b>, care au intrat \u00een 123 de servicii cloud cu interfe\u021be interesante: gestionare de proiecte, helpdesk, contabilitate, CRM, salarizare, raportare a timpului, marketing, \u2026 \u0219i-au ascuns datele. Youcalc \u0219i Successfactors (<i>nu mai exist\u0103 probabil<\/i>) este bine!<\/li>\n<li>C\u0103uta\u021bi oameni care iubesc s\u0103 se joace cu <b>\u201ecrunch\u201d <\/b>date. Ace\u0219tia sunt rari \u0219i ciuda\u021bi (ca ghicitorii \u00een cafea), dar esen\u021biali pentru afacere. Un poet, de exemplu, poate \u00een\u021belege foarte bine corela\u021bia.<\/li>\n<li><b>Inginerii<\/b> sunt necesare! Ele sunt necesare pentru a transforma problemele pe care Cruncherii le extrag din date \u00een solu\u021bii. \u0218i succesul sau e\u0219ecul solu\u021biei depinde complet de acestea. <\/li>\n<li>Dezvoltare <b>open source<\/b> proiectele reprezint\u0103 o valoare imens\u0103 \u0219i ofer\u0103 oportunitatea de a \"construi\" solu\u021bii complexe practic \"de la zero\".<\/li>\n<li>Dar\u2026 nu trebuie uitat c\u0103 Hadoop este o bibliotec\u0103, iar Lucene este de asemenea o bibliotec\u0103, iar distan\u021ba dintre <b>bibliotec\u0103 \u0219i produsul industrial<\/b> este semnificativ\u0103!<\/li>\n<li>Solu\u021biile construite vor trebui adaptate semnificativ, deoarece <b>modularitatea<\/b> \u0219i <b>integrarea<\/b> sunt puncte cheie. <\/li>\n<li>Agile (<i>fie-i mil\u0103 lui Dumnezeu<\/i>) este tehnica cheie \u00een interac\u021biunea cu clientul \u0219i testarea <b>hipotezelor<\/b>, care vor fi multe. <\/li>\n<li>Este posibil \u0219i necesar s\u0103 externaliz\u0103m toat\u0103 programarea \u0219i UI. Toat\u0103 analiza de afaceri \u0219i specifica\u021biile <b>back-end-ului<\/b> trebuie l\u0103sate <b>inside<\/b> \u0219i considerate ca o competen\u021b\u0103 cheie. <\/li>\n<li>Persoanele care iau decizii din afaceri trebuie s\u0103 fie constant \u201einforma\u021bi\u201d despre <b>nevoia de a lucra corect cu datele <\/b>\u0219i c\u0103utarea constant\u0103 a unor metode noi de analiz\u0103. Combina\u021bia de competen\u021be tehnice \u0219i de afaceri ale angaja\u021bilor no\u0219tri va ajuta la ridicarea statutului \u00eentregii organiza\u021bii. <\/li>\n<li><b>Internet<\/b> este o surs\u0103 inepuizabil\u0103 de inspira\u021bie (<i>atunci nu erau at\u00e2t de multe pisici<\/i>) \u00een ceea ce prive\u0219te abord\u0103rile de guvernan\u021b\u0103 a datelor corporative, \u00een ciuda faptului c\u0103 sarcinile \u0219i amploarea difer\u0103 semnificativ. <\/li>\n<\/ol>\n<p><img decoding=\"async\" alt=\"Divizia de date. 2013. Retrospectiv\u0103\" src=\"\/wp-content\/uploads\/2020\/04\/9c761f1f5539e243648b06c11442137b.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<b>Postulatele tehnologice...<\/b><\/p>\n<ol>\n<li>Exist\u0103 un poten\u021bial uria\u0219 de dezvoltare \u00een <b>simplificarea<\/b> modului \u00een care datele sunt prezentate oamenilor. O putem numi \"iPhoneizare\".<\/li>\n<li>\u00cen ciuda faptului c\u0103 furnizorii de BI sus\u021bin c\u0103 aduc direct analiza utilizatorilor finali, (\u0219i cu siguran\u021b\u0103 avanseaz\u0103 \u00een aceast\u0103 direc\u021bie) \u2013 o ruptur\u0103 semnificativ\u0103 nu a avut loc \u00eenc\u0103. Oamenii pur \u0219i simplu nu \u00een\u021beleg bine <b>datele multidimensionale.<\/b>Interfa\u021ba utilizatorului, care prezint\u0103 date mai mult sau mai pu\u021bin complexe \u0219i slab structurate \u00een <b>form\u0103 facete<\/b> reprezint\u0103 de asemenea o infinitate de probleme. Concluzie: cu c\u00e2t este mai plat (flatter) \u2013 cu at\u00e2t mai bine.<\/li>\n<li>Platforma, construit\u0103 pe baza extragerii automate de date din surse (care nu sunt \u00eentotdeauna destinate unei astfel de extrageri) este semnificativ dependent\u0103 de surse, stabilitatea conectorilor \u0219i infrastructur\u0103. \u00cen incapacitatea de a oferi rezultatul, platforma (mesagerul) va fi \u00eentotdeauna acuzat\u0103. <b>}<\/b> } <\/li>\n<li>Platforma, construit\u0103 pe baza extragerii automate de date din surse (care nu sunt \u00eentotdeauna destinate unei astfel de extrageri) este semnificativ dependent\u0103 de surse, stabilitatea conectorilor \u0219i infrastructur\u0103. \u00cen incapacitatea de a oferi rezultatul, platforma (mesagerul) va fi \u00eentotdeauna acuzat\u0103. <b>\u00cencredere<\/b> \u2013 capital de acest tip de platforme. Capital care este greu de c\u00e2\u0219tigat \u0219i u\u0219or de pierdut. <\/li>\n<li>Din perspectiva afacerii, nu exist\u0103 nicio diferen\u021b\u0103 \u00eentre analiza Big Data \u0219i <b>Date simple<\/b>. Adesea, sub numerele simple precum 2x2 se afl\u0103 oportunit\u0103\u021bi de milioane de dolari. Un bun exemplu este datele despre sf\u00e2r\u0219itul duratei de via\u021b\u0103 a elementelor de infrastructur\u0103 de pe \u0219elful norvegian. C\u00e2nd toate datele viitoare ale repara\u021biilor capitale pentru toate echipamentele au fost puse pe o ax\u0103 \u0219i s-a descoperit c\u0103, \u00een N ani, ne a\u0219teapt\u0103 un adev\u0103rat Armagedon pe \u0219elf \u2013 un om foarte bogat s-a ridicat din scaun \u0219i, dup\u0103 ce a f\u0103cut o plec\u0103ciune gr\u0103bit\u0103, a p\u0103r\u0103sit camera spun\u00e2nd: \u201e\u00cemi pare r\u0103u, am pu\u021bin timp, trebuie s\u0103-mi preg\u0103tesc flota\u2026\u201d<\/li>\n<li>Excel, iar, \u00een esen\u021b\u0103, o reprezentare tabelar\u0103 clar\u0103 a datelor are o putere enorm\u0103 \u0219i un viitor promi\u021b\u0103tor. <b>Cred \u00een tabele frumoase<\/b> (<i>\u0219i \u00eenc\u0103<\/i>) \u0219i asta e tot!<\/li>\n<li>Culoarea principal\u0103 a acestei \u201eanalitici\u201d este <b>automatizarea procesului decizional<\/b>. Acolo se afl\u0103 cele mai mari oportunit\u0103\u021bi, dar \u0219i cele mai mari riscuri, de aceea oportunit\u0103\u021bile sunt substan\u021biale \u0219i riscurile sunt la fel, de aceea \u0219i oportunit\u0103\u021bile, \u0219i riscurile\u2026 \ud83d\ude42 Gestionarea forajului pu\u021burilor, de exemplu\u2026<\/li>\n<li>Dac\u0103 \u201eintegabilitatea\u201d este caracteristica cheie, atunci datele, de facto, ar trebui s\u0103 fie prezentate sub form\u0103 de serviciu. <b>REST<\/b> func\u021bioneaz\u0103, dar nu trebuie uitat\u0103 optimizarea <b>performan\u021b\u0103<\/b>, care adesea este sacrificat\u0103 pentru integabilitate, deoarece puterea de calcul continu\u0103 s\u0103 creasc\u0103. <\/li>\n<li><b>Datele de master<\/b> \u2013 sunt cele care trebuie localizate, extrase, standardizate, \u00eenainte de a aborda problemele de afaceri. Datele de master sunt mici, iar problemele cu ele sunt mari! A\u0219a cum spun fra\u021bii semantici \u2013 50% din problemele lumii sunt cauzate de faptul c\u0103 oamenii numesc acelea\u0219i lucruri cu nume diferite, iar celelalte 50% sunt din cauza c\u0103 numesc lucruri diferite cu acela\u0219i nume.<\/li>\n<li>Orice <b>\u00eencaplarea<\/b> la nivel de stocare limiteaz\u0103 deschiderea solu\u021biei \u0219i duce la SILO-ficarea. E bine dac\u0103 e\u0219ti un mare furnizor, \u00een caz contrar \u2013 nu e nimic grozav. (<i>Aici nu se discut\u0103, desigur, despre nivelul de bloc \u0219i nu despre AWS S3, care deja avea 6 ani pe atunci, ci despre fi\u0219iere.<\/i>). <\/li>\n<li><b>Modelarea rela\u021bional\u0103<\/b> a datelor nu ne mai este prieten. RDF \u0219i key-value \u2013 sunt uimitoare! Am v\u0103zut transform\u0103ri magice ale bazelor de date rela\u021bionale cu modele de 2000 de tabele \u00een 15 tabele, \u0219i nimeni din utilizatori nu a pierdut nimic. <\/li>\n<li>Internetul func\u021bioneaz\u0103 pentru c\u0103 exist\u0103 <b>URL<\/b> ca un singur mod de adresare. Importan\u021ba URL-ului sau mai bine zis <b>URI<\/b> pentru resursele informa\u021bionale ale \u00eentreprinderii este greu de supraevaluat. <\/li>\n<li><b>Text mining \u0219i NLP sunt populare<\/b>. \u00cen Internet. Dar \u0219i \u00een sectorul corporativ se pot ob\u021bine progrese imense extrag\u00e2nd date structurate din datele corporative nestructurate. <\/li>\n<li><b>Sinergia<\/b> \u00eentre datele structurate \u0219i informa\u021bia extras\u0103 din datele nestructurate, adic\u0103 fi\u0219iere \u2013 un clondike analitic. <\/li>\n<li>Extragerea datelor \u2013 s\u0103 nu uit\u0103m de drepturi \u0219i <b>copyrighturi<\/b>. <\/li>\n<li>Compania care se ocup\u0103 cu extragerea datelor ar trebui s\u0103 formeze un<b>departament de hackeri<\/b>, \u00een sensul bun al cuv\u00e2ntului. Inspira\u021bi de lupta intens\u0103 cu sistemele de protec\u021bie ale Paginilor Galbene \u00eempotriva robo\u021bilor de c\u0103utare. <\/li>\n<li>\u00cenainte de a lucra cu datele \u2013 trebuie s\u0103 le <b>\u00abvedem\u00bb<\/b> \u00een \u00eentreaga lor amploare. Este greu de explicat. \u00cemi vin \u00een minte formele tabelare. C\u0103ruia i se potrivesc reprezent\u0103rile grafice, dar orice grafic este deja o interpretare. A\u0219a sau altfel\u2026 \u00abs\u0103 vedem\u00bb!<\/li>\n<li>Repet\u00e2ndu-ne \u00een problema \u201e\u00eencrederii\u201d utilizatorilor \u00een front-end. \u00cencrederea \u00een conectori\/procesele de generare a datelor, \u00eencrederea \u00een datele, <b>\u00eencrederea \u00een deciziile luate<\/b>.<\/li>\n<\/ol>\n<p>Sursa: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/497486\/\">habr.com<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 2013 \u0433\u043e\u0434\u0443 IBS, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0442\u043e\u0433\u0434\u0430, \u043a\u0430\u0436\u0435\u0442\u0441\u044f, \u0441\u043e\u0437\u0434\u0430\u0432\u0430\u043b\u0438 \u0414\u0438\u0432\u0438\u0437\u0438\u043e\u043d \u0434\u0430\u043d\u043d\u044b\u0445, \u043f\u043e\u043f\u0440\u043e\u0441\u0438\u043b\u0438 \u043c\u0435\u043d\u044f \u0441\u0434\u0435\u043b\u0430\u0442\u044c \u0442\u0430\u043a\u043e\u0439 \u0431\u0440\u0435\u0439\u043d\u0434\u0430\u043c\u043f (\u0438\u0441\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u043d\u0430 \u0431\u0430\u0437\u0435 \u043e\u043f\u044b\u0442\u0430 \u0432\u0437\u0430\u0438\u043c\u043e\u0434\u0435\u0439\u0441\u0442\u0432\u0438\u044f \u0441 \u043a\u043e\u0440\u043f\u043e\u0440\u0430\u0442\u0438\u0432\u043d\u044b\u043c\u0438 \u043d\u0435\u0444\u0442\u0435\u0433\u0430\u0437\u043e\u0432\u044b\u043c\u0438 \u0437\u0430\u043a\u0430\u0437\u0447\u0438\u043a\u0430\u043c\u0438) \u043f\u043e \u043f\u043e\u0432\u043e\u0434\u0443 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u043d\u043e\u0439 \u043e\u0431\u043b\u0430\u0441\u0442\u0438 \u0411\u043e\u043b\u044c\u0448\u0438\u0445 \u0414\u0430\u043d\u043d\u044b\u0445, \u0434\u0430 \u0438 \u0414\u0430\u043d\u043d\u044b\u0445 \u0432\u043e\u043e\u0431\u0449\u0435. \u0412\u043e\u0442 \u044f \u043d\u0430\u0442\u043a\u043d\u0443\u043b\u0441\u044f \u043d\u0430 \u043d\u0435\u0433\u043e \u0441\u043f\u0443\u0441\u0442\u044f 7 \u043b\u0435\u0442 \u0438 \u043f\u043e\u043a\u0430\u0437\u0430\u043b\u043e\u0441\u044c \u0437\u0430\u0431\u0430\u0432\u043d\u043e. \u041d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0432\u0435\u0449\u0438 \u043e\u0447\u0435\u0432\u0438\u0434\u043d\u044b. \u041d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043d\u0435 \u0441\u043e\u0432\u0441\u0435\u043c \u0432\u0435\u0440\u043d\u044b \u043e\u043a\u0430\u0437\u0430\u043b\u0438\u0441\u044c, \u043d\u043e\u2026 7 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":78147,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-78146","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2.1 - 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