{"id":97890,"date":"2020-10-22T20:43:19","date_gmt":"2020-10-22T18:43:19","guid":{"rendered":"https:\/\/prohoster.info\/blog\/administrirovanie\/razbiraemsya-v-chem-raznicza-mezhdu-data-mining-i-data-extraction"},"modified":"2021-02-01T11:42:45","modified_gmt":"2021-02-01T09:42:45","slug":"razbiraemsya-v-chem-raznicza-mezhdu-data-mining-i-data-extraction","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/administrirovanie\/razbiraemsya-v-chem-raznicza-mezhdu-data-mining-i-data-extraction","title":{"rendered":"Selgitame v\u00e4lja, milles seisneb erinevus Data Miningi ja Data Extractioni vahel.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/skillfactory\/blog\/524336\/\"><img decoding=\"async\" alt=\"Selgitame v\u00e4lja, milles seisneb erinevus Data Miningi ja Data Extractioni vahel.\" src=\"\/wp-content\/uploads\/2020\/10\/bd0e140b564b7f6696b346865a91784f.png\" style=\"display:block;margin: 0 auto;\"><\/a><\/noindex><br \/>\nNeed for Data Science-related terms often confuses many people. Data Mining is frequently misunderstood as data extraction, but the truth is more complex. In this post, let's clarify Mining and understand the difference between Data Mining and Data Extraction.<br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<h2>What is Data Mining?<\/h2>\n<p>Data mining, also known as <strong>Knowledge Discovery in Databases (KDD)<\/strong>, is a method commonly used to analyze large datasets using statistical and mathematical methods to identify hidden patterns or trends and extract value from them.<\/p>\n<h2>What can be done with Data Mining?<\/h2>\n<p>By automating the process, <noindex><a rel=\"nofollow\" href=\"https:\/\/www.octoparse.com\/blog\/7-web-mining-tools-around-the-web\">data mining tools<\/a><\/noindex> can scan databases and efficiently detect hidden patterns. For businesses, data mining is often used to uncover correlations and relationships in data, helping to make optimal business decisions.<\/p>\n<h2>Application examples<\/h2>\n<p>After data mining gained popularity in the 1990s, companies across a wide range of industries, including retail, finance, healthcare, transportation, telecommunications, e-commerce, etc., began utilizing data mining techniques to gain insights from data. Data mining can help segment customers, detect fraud, forecast sales, and much more.<\/p>\n<ul>\n<li><b>Customer Segmentation<\/b><br \/>\nBy analyzing customer data and identifying characteristics of target customers, companies can group them into a separate category and provide tailored offers that meet their needs.<\/li>\n<li><b>Market Basket Analysis<\/b><br \/>\nThis technique is based on the theory that if you purchase a certain group of items, you are likely to buy another group of items. One well-known example is when fathers buy diapers for their babies, they tend to buy beer along with the diapers.<\/li>\n<li><b>Sales Forecasting<\/b><br \/>\nThis may seem similar to market basket analysis, but this time data analysis is used to predict when a customer will repurchase a product in the future. For example, a coach buys a can of protein that should last for 9 months. The store selling this protein plans to release a new one in 9 months, so the coach buys it again.<\/li>\n<li><b>Fraud Detection<\/b><br \/>\nAndmete kaevandamine aitab luua mudelit petmise avastamiseks. Kogudes n\u00e4idiseid petlike ja t\u00f5eliste aruannete hulgast, saavad ettev\u00f5tted \u00f5iguse m\u00e4\u00e4rata, millised tehingud on kahtlased.<\/li>\n<li><b>Musterte avastamine tootmises<\/b><br \/>\nT\u00f6\u00f6stuses kasutatakse andmete kaevandamist, et aidata s\u00fcsteemide projekteerimisel, avastades seoseid toote arhitektuuri, profiili ja klientide vajaduste vahel. Andmete kaevandamine suudab ka prognoosida toote arendamise ajakava ja kulusid.<\/li>\n<\/ul>\n<p>Ja need on vaid m\u00f5ned andmete kaevandamise kasutusjuhtumid.<\/p>\n<h2>Andmete kaevandamise etapid<\/h2>\n<p>Andmete kaevandamine on terviklik protsess, mis h\u00f5lmab andmete kogumist, valimist, puhastamist, muundamist ja ekstraheerimist, et hinnata mustreid ja l\u00f5puks v\u00e4\u00e4rtust ekstraheerida.<\/p>\n<p><img decoding=\"async\" alt=\"Selgitame v\u00e4lja, milles seisneb erinevus Data Miningi ja Data Extractioni vahel.\" src=\"\/wp-content\/uploads\/2020\/10\/0f601a9f32e2b9517f1a7deb0e353b5a.png\" style=\"display:block;margin: 0 auto;\"><\/p>\n<p>Tavaliselt saab kogu andmete kaevandamise protsessi kokku v\u00f5tta seitsmeks etapiks:<\/p>\n<ol>\n<li><b>Andmete puhastamine<\/b><br \/>\nReaalmaailmas ei ole andmed alati puhastatud ja struktureeritud. Need on sageli l\u00e4rmakad, puudulikud ja v\u00f5ivad sisaldada vigu. Andmete kaevandamise tulemuse t\u00e4psuse tagamiseks tuleb andmed k\u00f5igepealt puhastada. Puhastamise meetoditeks on n\u00e4iteks puuduvaid v\u00e4\u00e4rtusi t\u00e4itmine, automaatne ja k\u00e4sitsi kontroll jne.<\/li>\n<li><b>Andmete integreerimine<\/b><br \/>\nSee on etapp, kus andmed erinevatest allikatest ekstraheeritakse, kombineeritakse ja integreeritakse. Allikateks v\u00f5ivad olla andmebaasid, tekstifailid, tabelid, dokumendid, mitmem\u00f5\u00f5tmelised andmemassiivid, internet jne.<\/li>\n<li><b>Andmete valimine<\/b><br \/>\nTavaliselt ei ole k\u00f5ik integreeritud andmed andmete kaevandamise jaoks vajalikud. Andmete valik on etapp, kus suurest andmebaasist valitakse ja ekstraheeritakse ainult kasulikud andmed.<\/li>\n<li><b>Andmete t\u00f6\u00f6tlemine.<\/b><br \/>\nPeale andmete valimist muundatakse need andmete kaevandamiseks sobivatesse vormidesse. See protsess h\u00f5lmab normaliseerimist, agregeerimist, \u00fcldistamist jne.<\/li>\n<li><b>Intelligentne andmeanal\u00fc\u00fcs<\/b><br \/>\nSiin algab andmete kaevandamise k\u00f5ige olulisem osa \u2014 intelligentsete meetodite kasutamine mustrite leidmiseks. Protsess h\u00f5lmab regressiooni, klassifitseerimist, prognoosimist, klasterdamist, assotsiatsioonide uurimist ja palju muud.<\/li>\n<li><b>Mudeli hindamine<\/b><br \/>\nSee etapp on suunatud potentsiaalselt kasulike, arusaadavate mustrite tuvastamisele, samuti mustritele, mis kinnitavad h\u00fcpoteese.<\/li>\n<li><b>Teadmiste esitlemine<\/b><br \/>\nL\u00f5ppstaadiumis esitatakse saadud teave atraktiivses vormis teadmiste esitlemise ja visualiseerimise meetodite abil.<\/li>\n<\/ol>\n<h2>Data Miningu puudused<\/h2>\n<ul>\n<li><b>Suured ajainvesteeringud ja vaeva<\/b><br \/>\nKuna andmete kaevandamine on pikaajaline ja keeruline protsess, n\u00f5uab see palju produktiivsete ja kvalifitseeritud inimeste t\u00f6\u00f6d. Andmeanal\u00fc\u00fcsi spetsialistid saavad kasutada v\u00f5imsaid andmete kaevandamise t\u00f6\u00f6riistu, kuid nad vajavad andmete ettevalmistamiseks ja tulemuste m\u00f5istmiseks spetsialiste. Seet\u00f5ttu v\u00f5ib kogu teabe t\u00f6\u00f6tlemiseks kuluda aega.<\/li>\n<li><b>Andmete privaatsus ja turvalisus<\/b><br \/>\nKuna andmete kaevandamine kogub teavet klientide kohta turundusmeetodite abil, v\u00f5ib see rikkuda kasutajate konfidentsiaalsust. Lisaks v\u00f5ivad h\u00e4kkerid saada juurde andmetele, mis on salvestatud andmete kaevandamise s\u00fcsteemidesse. See esitab ohu kliendiandmete turvalisusele. Kui varastatud andmeid kasutatakse valesti, v\u00f5ib see kergesti teisi kahjustada.<\/li>\n<\/ul>\n<blockquote><p>\u00dclaltoodud on l\u00fchike sissejuhatus andmete kaevandamisse. Nagu mainisin, sisaldab andmete kaevandamine andmete kogumise ja integreerimise protsessi, mis h\u00f5lmab andmete eraldamise protsessi (data extraction). Sel juhul v\u00f5ib kindlalt \u00f6elda, et andmete eraldamine v\u00f5ib olla osa pikaajaliselt andmete kaevandamise protsessist.<\/p><\/blockquote>\n<h2>Mis on Andmete Eraldamine?<\/h2>\n<p>Tuntud ka kui \u201eveebandmete eraldamine\u201c ja \u201eveebikogumine\u201c, on see protsess andmete eraldamine (tavaliselt struktureerimata v\u00f5i halvasti struktureeritud) andmeallikatest kesksetesse kohtadesse ning koondamine \u00fchte kohta ladustamiseks v\u00f5i edasise t\u00f6\u00f6tlemise jaoks. Eelk\u00f5ige kuuluvad struktureerimata andmeallikate alla veebilehed, e-post, dokumendid, PDF-failid, skannitud tekst, peamiste raudade aruanded, lintfailid, reklaamid jne. Kesksed andmehanked v\u00f5ivad olla kohalikud, pilve- v\u00f5i h\u00fcbriidlahendused. Oluline on meeles pidada, et andmete eraldamine ei h\u00f5lma t\u00f6\u00f6tlemist ega muud anal\u00fc\u00fcsi, mis v\u00f5ib toimuda hiljem.<\/p>\n<h2>Mida saab teha Andmete Eraldamisega?<\/h2>\n<p>Peamiselt jagunevad andmete eraldamise eesm\u00e4rgid 3 kategooriasse.<\/p>\n<ul>\n<li><b>Arhiveerimine<\/b><br \/>\nAndmete ekstraktsioon v\u00f5ib muuta andmeid f\u00fc\u00fcsilistest formaatidest, nagu raamatud, ajalehed, arved, digitaalseteks formaatideks, n\u00e4iteks andmebaasidesse salvestamiseks v\u00f5i varundamiseks.<\/li>\n<li><b>Andmeformaadi muutmine<\/b><br \/>\nKui soovite andmeid oma praeguselt veebisaidilt uuele, mis on arendamise faasis, \u00fcle kanda, saate andmeid oma veebisaidilt p\u00e4rida, neid v\u00e4lja tuues.<\/li>\n<li><b>Andmeanal\u00fc\u00fcs<\/b><br \/>\nTavaliselt anal\u00fc\u00fcsitakse ekstraheeritud andmeid, et neist \u00fclevaade saada. See v\u00f5ib tunduda sarnane andmete kaevandamise (data mining) anal\u00fc\u00fcsiga, kuid pidage meeles, et andmeanal\u00fc\u00fcs on andmete ekstraheerimise eesm\u00e4rk, mitte selle osa. Veelgi enam, andmeid anal\u00fc\u00fcsitakse teistmoodi. \u00dcks n\u00e4ide: veebipoe omanikud ekstraktsioonivad tooteinfot e-kaubanduse saitidelt, nagu Amazon, et j\u00e4lgida konkurentsistrateegiaid reaalajas. Nii nagu andmete kaevandamine, on ka andmete ekstraheerimine automatiseeritud protsess, millel on palju eeliseid. Varem kopeerisid inimesed andmeid k\u00e4sitsi \u00fchest kohast teise, mis v\u00f5ttis palju aega. Andmete ekstraktsioon kiirendab kogumist ja suurendab oluliselt ekstraheeritud andmete t\u00e4psust.<\/li>\n<\/ul>\n<h2>M\u00f5ned andmete ekstraktsiooni rakendused<\/h2>\n<p>Nagu andmete kaevandamine, on andmete ekstraheerimine laialdaselt kasutusel erinevates t\u00f6\u00f6stusharudes. Lisaks e-kaubanduse hindade j\u00e4lgimisele v\u00f5ib andmete ekstraheerimine aidata oma teadusuuringutes, uudiste kogumises, turunduses, kinnisvaras, reisides ja turismis, konsultatsioonides, rahanduses ning mujal.<\/p>\n<ul>\n<li><b>M\u00fc\u00fcgivihjete genereerimine<\/b><br \/>\nEttev\u00f5tted saavad andmeid v\u00e4lja ekstraktsioonida kataloogidest, nagu Yelp, Crunchbase, Yellowpages, ja genereerida m\u00fc\u00fcgivihjeid oma \u00e4riarengu jaoks. Allolevast videost saate teada, kuidas saada andmeid Yellowpages'ist <noindex><a rel=\"nofollow\" href=\"https:\/\/www.octoparse.com\/blog\/big-announcement-web-scraping-template-take-away\">veebikaabitsuse malliga<\/a><\/noindex>.<\/p>\n<p><center><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/embedd.srv.habr.com\/iframe\/5f9016d7d4323713fd415857\" frameborder=\"0\" allowfullscreen=\"\"><\/iframe><\/center><\/li>\n<li><b>Sisu ja uudiste kogumine<\/b><br \/>\nSisu koguvad veebisaidid saavad regulaarselt andmevooge mitmest allikast ja hoiavad oma saidid ajakohastena.<\/li>\n<li><b>Meeleolu anal\u00fc\u00fcs<\/b><br \/>\nP\u00e4rast arvustuste, kommentaaride ja tagasiside ekstraktsiooni sotsiaalmeediast, nagu Instagram ja Twitter, saavad spetsialistid anal\u00fc\u00fcsida nende taga olevaid arvamusi ning saada \u00fclevaadet sellest, kuidas br\u00e4nd, toode v\u00f5i n\u00e4htus on vastu v\u00f5etud.<\/li>\n<\/ul>\n<h2>Andmete ekstraheerimise sammud<\/h2>\n<p>Andmete v\u00e4ljav\u00f5tt on ETL (Extract, Transform, Load: v\u00e4ljav\u00f5tmine, transformeerimine, laadimine) ja ELT (v\u00e4ljav\u00f5tmine, laadimine ja transformeerimine) esimene etapp. ETL ja ELT on osa l\u00f5puni viidud andmete integreerimise strateegiast. Teisis\u00f5nu, andmete v\u00e4ljav\u00f5tt v\u00f5ib olla osa nende kaevandamisest.<\/p>\n<p><img decoding=\"async\" alt=\"Selgitame v\u00e4lja, milles seisneb erinevus Data Miningi ja Data Extractioni vahel.\" src=\"\/wp-content\/uploads\/2020\/10\/25128c2d46b3bc383606efde5862b480.png\" style=\"display:block;margin: 0 auto;\"><br \/>\nV\u00e4ljav\u00f5ttmine, transformeerimine, laadimine<\/p>\n<p>Kui andmete kaevandamine on teabe hankimine suurtest andmemassiividest, siis andmete v\u00e4ljav\u00f5tt on tunduvalt l\u00fchem ja lihtsam protsess. Selle saab kokku v\u00f5tta kolme etappi:<\/p>\n<ol>\n<li><b>Andmeallika valimine<\/b><br \/>\nValige allikas, millest soovite andmeid v\u00e4ljav\u00f5tta, n\u00e4iteks veebisait.<\/li>\n<li><b>Andmete kogumine<\/b><br \/>\nSaada veebisaidile 'GET' p\u00e4ring ja anal\u00fc\u00fcsi saadud HTML-dokumenti programmeerimiskeelte abil, nagu Python, PHP, R, Ruby jne.<\/li>\n<li><b>Andmete salvestamine<\/b><br \/>\nSalvestage andmed oma kohalikku andmebaasi v\u00f5i pilvesalvestusse tulevikuks. Kui olete kogenud arendaja, v\u00f5ivad eespool mainitud sammud teile tunduda lihtsad. Kuid kui te ei programmeeri, on olemas kiirem tee \u2013 kasutada andmete v\u00e4ljav\u00f5tu t\u00f6\u00f6riistu, nagu <noindex><a rel=\"nofollow\" href=\"http:\/\/www.octoparse.com\/\">Octoparse<\/a><\/noindex>. Andmete v\u00e4ljav\u00f5tu t\u00f6\u00f6riistad, nagu ka andmete kaevandamise t\u00f6\u00f6riistad, on loodud selleks, et s\u00e4\u00e4sta energiat ja muuta andmete t\u00f6\u00f6tlemine lihtsaks k\u00f5igile. Need t\u00f6\u00f6riistad on mitte ainult \u00f6konoomsed, vaid ka algajatele mugavad. Nad v\u00f5imaldavad kasutajatel andmeid koguda m\u00f5ne minuti jooksul, salvestada neid pilve ja eksportida mitmesugustesse formaatidesse: Excel, CSV, HTML, JSON v\u00f5i veebisaidi andmebaasidesse API kaudu.<\/li>\n<\/ol>\n<h2>Andmete v\u00e4ljav\u00f5tu puudused<\/h2>\n<ul>\n<li><b>Serveri rike<\/b><br \/>\nKui andmeid v\u00e4ljav\u00f5etakse suurtes kogustes, v\u00f5ib sihtveebisaidi server \u00fcle koormata, mis v\u00f5ib viia serveri riketeeni. See tekitab kahju saidi omaniku huvidele.<\/li>\n<li><b>IP-aadressi blokeerimine<\/b><br \/>\nKui isik kogub andmeid liiga tihti, v\u00f5ivad veebisaidid tema IP-aadressi blokeerida. Ressursi v\u00f5ib t\u00e4ielikult blokeerida v\u00f5i juurdep\u00e4\u00e4su piirata, muutes andmed puudulikeks. Andmete v\u00e4ljav\u00f5tmiseks ja blokeeringute v\u00e4ltimiseks tuleb seda teha m\u00f5\u00f5detud tempos ning rakendada m\u00f5ningaid takistuste v\u00e4ltimise meetodeid.<\/li>\n<li><b>\u00d5iguslikud probleemid<\/b><br \/>\nVeebist andmete ekstraktsioon satub halli tsooni, kui r\u00e4\u00e4gitakse seaduslikkusest. Suured saidid nagu Linkedin ja Facebook v\u00e4idavad selgelt oma kasutustingimustes, et igasugune automaatne andmete ekstraktsioon on keelatud. Ettev\u00f5tete vahel on olnud palju kohtuasju botitegevuse t\u00f5ttu.<\/li>\n<\/ul>\n<h2>Peamised erinevused andmete kaevandamise ja andmete ekstraktsiooni vahel<\/h2>\n<ol>\n<li>Andmete kaevandamist nimetatakse ka teadmiste avastamiseks andmebaasides, teadmiste ekstraktsiooniks, andmete\/mustrite anal\u00fc\u00fcsiks, teabe kogumiseks. Andmete ekstraktsioon kasutab vaheldumisi veebandmete ekstraktsiooni, veebilehtede skaneerimist, andmete kogumist jne.<\/li>\n<li>Andmete kaevandamise uuringud p\u00f5hinevad peamiselt struktureeritud andmetel, samas kui andmete ekstraktsiooni puhul eraldatakse andmed tavaliselt struktureerimata v\u00f5i halvasti struktureeritud allikatest.<\/li>\n<li>Andmete kaevandamise eesm\u00e4rk on muuta andmed anal\u00fc\u00fcsimise jaoks kasulikumaks. Andmete ekstraktsioon on andmete kogumine \u00fchte kohta, kus neid saab s\u00e4ilitada v\u00f5i t\u00f6\u00f6delda.<\/li>\n<li>Andmete kaevandamise anal\u00fc\u00fcs p\u00f5hineb matemaatilistel meetoditel mustrite v\u00f5i trendide tuvastamiseks. Andmete ekstraktsioon p\u00f5hineb programmeerimiskeeltel v\u00f5i andmete ekstraktsiooni t\u00f6\u00f6riistadel allikate l\u00e4bimiseks.<\/li>\n<li>Andmete kaevandamise eesm\u00e4rk on leida fakte, mis on varem olnud tundmatud v\u00f5i unustatud, samas kui andmete ekstraktsioon tegeleb juba olemasoleva teabega.<\/li>\n<li>Andmete kaevandamine on keerulisem ja n\u00f5uab suurt investeeringut inimeste koolitusse. Andmete ekstraktsioon v\u00f5ib \u00f5igete t\u00f6\u00f6riistade kasutamisel olla \u00e4\u00e4rmiselt lihtne ja kulut\u00f5hus.<\/li>\n<\/ol>\n<p>Me aitame algajatel mitte andmete seas segadusse minna. Erakordselt Habrati liikmete jaoks oleme loonud sooduskoodi <b>HABR<\/b>, mis annab lisaks 10% allahindlusele, mis on n\u00e4idatud b\u00e4nneril.<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/skillfactory.ru\/?utm_source=infopartners&amp;utm_medium=habr&amp;utm_campaign=habr_banner&amp;utm_term=regular&amp;utm_content=habr_banner\"><img decoding=\"async\" alt=\"Selgitame v\u00e4lja, milles seisneb erinevus Data Miningi ja Data Extractioni vahel.\" src=\"\/wp-content\/uploads\/2020\/10\/19f2c89f80e09bcb31702236b2cbc4d2.png\" style=\"display:block;margin: 0 auto;\"><\/a><\/noindex><\/p>\n<ul>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/skillfactory.ru\/dstpro?utm_source=infopartners&amp;utm_medium=habr&amp;utm_campaign=habr_DSPR&amp;utm_term=regular&amp;utm_content=211020\">Andmete teaduse ametikoolitus nullist<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/skillfactory.ru\/data-science-camp?utm_source=infopartners&amp;utm_medium=habr&amp;utm_campaign=habr_DSTCAMP&amp;utm_term=regular&amp;utm_content=211020\">Andmete teaduse online-bootcamp<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/skillfactory.ru\/dataanalystpro?utm_source=infopartners&amp;utm_medium=habr&amp;utm_campaign=habr_DAPR&amp;utm_term=regular&amp;utm_content=211020\">Andmete anal\u00fc\u00fctiku ametikoolitus nullist<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/skillfactory.ru\/business-analytics-camp?utm_source=infopartners&amp;utm_medium=habr&amp;utm_campaign=habr_DACAMP&amp;utm_term=regular&amp;utm_content=211020\">Andmete anal\u00fc\u00fcsi online-bootcamp<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/skillfactory.ru\/python-for-web-developers?utm_source=infopartners&amp;utm_medium=habr&amp;utm_campaign=habr_PWS&amp;utm_term=regular&amp;utm_content=211020\">Kursused 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Data Mining \u0447\u0430\u0441\u0442\u043e \u043d\u0435\u043f\u0440\u0430\u0432\u0438\u043b\u044c\u043d\u043e \u043f\u043e\u043d\u0438\u043c\u0430\u044e\u0442 \u043a\u0430\u043a \u0438\u0437\u0432\u043b\u0435\u0447\u0435\u043d\u0438\u0435 \u0438 \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u0438\u0435 \u0434\u0430\u043d\u043d\u044b\u0445, \u043d\u043e \u043d\u0430 \u0441\u0430\u043c\u043e\u043c \u0434\u0435\u043b\u0435 \u0432\u0441\u0435 \u043d\u0430\u043c\u043d\u043e\u0433\u043e \u0441\u043b\u043e\u0436\u043d\u0435\u0435. \u0412 \u044d\u0442\u043e\u043c \u043f\u043e\u0441\u0442\u0435 \u0434\u0430\u0432\u0430\u0439\u0442\u0435 \u0440\u0430\u0441\u0441\u0442\u0430\u0432\u0438\u043c \u0442\u043e\u0447\u043a\u0438 \u043d\u0430\u0434 Mining \u0438 \u0432\u044b\u044f\u0441\u043d\u0438\u043c \u0440\u0430\u0437\u043d\u0438\u0446\u0443 \u043c\u0435\u0436\u0434\u0443 Data Mining \u0438 Data Extraction. \u0427\u0442\u043e \u0442\u0430\u043a\u043e\u0435 Data Mining? Data mining, \u0442\u0430\u043a\u0436\u0435 \u043d\u0430\u0437\u044b\u0432\u0430\u0435\u043c\u044b\u0439 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":97891,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-97890","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/et\/blog\/administrirovanie\/razbiraemsya-v-chem-raznicza-mezhdu-data-mining-i-data-extraction\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.1.1\" \/>\n\t\t<meta property=\"og:locale\" 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