{"id":4074,"date":"2020-10-30T20:02:06","date_gmt":"2020-10-30T19:02:06","guid":{"rendered":"https:\/\/webhosting.de\/data-mining-und-big-data-fuer-unternehmen\/"},"modified":"2025-10-09T12:24:46","modified_gmt":"2025-10-09T10:24:46","slug":"data-mining-and-big-data-for-business","status":"publish","type":"post","link":"https:\/\/webhosting.de\/da\/data-mining-und-big-data-fuer-unternehmen\/","title":{"rendered":"Data Mining og Big Data for Business"},"content":{"rendered":"<p>Bigdata bliver i stigende grad en udfordring for store virksomheder. Udtrykket \"big data\" er en metafor for et v\u00e6rdil\u00f8st bjerg af data, som man skal s\u00f8ge viden i. Big data mining beskriver statistiske metoder, der anvendes til at s\u00f8ge efter tendenser, krydsforbindelser og nye oplysninger. <a href=\"https:\/\/webhosting.de\/da\/personenbezogene-daten-sozialen-netzwerken\/\">Data<\/a> s\u00f8ges efter i massedata. Manuel behandling af s\u00e5 store datas\u00e6t er ikke mulig, og derfor m\u00e5 der anvendes computerassisterede metoder. Disse metoder kan ogs\u00e5 anvendes til mindre datam\u00e6ngder. Data mining henviser normalt kun til analysetrinnet i processen.<\/p>\n<h2>Datamining og Big Data<\/h2>\n<p>Med data mining kan store datam\u00e6ngder unders\u00f8ges ved hj\u00e6lp af computerst\u00f8ttede programmer. Udtrykket data mining er lidt misvisende, da det ikke drejer sig om at generere data, men om at udvinde viden fra data. Udtrykket er blevet popul\u00e6rt, is\u00e6r fordi det er kort og pr\u00e6cist. Generelt kan data mining beskrives som en proces, hvor man udvinder viden, der tidligere var ukendt og blev anset for at v\u00e6re potentielt nyttig. Bigdata bruges til at beskrive datas\u00e6t, der er for komplekse eller store, eller som simpelthen \u00e6ndrer sig for hurtigt. Manuel indsamling eller behandling med klassiske metoder er derfor udelukket. De indsamlede Bigdata, der skal bruges til datamining, kan komme fra alle mulige kilder. De sp\u00e6nder fra elektronisk kommunikation mellem virksomheder og myndigheder til optegnelser fra overv\u00e5gningssystemer. \u00d8nsket om at analysere big data med henblik p\u00e5 at udnytte den opn\u00e5ede indsigt kommer ofte i konflikt med andre menneskers personlige rettigheder, og derfor er det vigtigt at sikre disse rettigheder p\u00e5 forh\u00e5nd.<\/p>\n<h2>Data Mining og Big Data: konventionelle metoder<\/h2>\n<p>I Big Data data mining analyseres udv\u00e6lgelser og datasamlinger. Ufuldst\u00e6ndige datas\u00e6t fjernes, og vigtige kilder eller sammenligningsv\u00e6rdier tilf\u00f8jes. Derefter s\u00f8ges der i dataene efter specifikke adf\u00e6rdsm\u00f8nstre, og de opn\u00e5ede resultater pr\u00e6senteres. Disse unders\u00f8ges og vurderes af eksperter, s\u00e5 der kan tr\u00e6ffes en beslutning om, hvorvidt det \u00f8nskede m\u00e5l kan n\u00e5s. Den viden, der opn\u00e5s, indg\u00e5r i nye unders\u00f8gelser eller bruges som sammenligningsparametre, s\u00e5 resultaterne af den n\u00e6ste s\u00f8gning bliver endnu mere pr\u00e6cise. Mens data mining i Bigdata tidligere prim\u00e6rt blev brugt inden for IT, er flere og flere virksomheder begyndt at interessere sig for de anvendte metoder og det store potentiale i Bigdata. I den finansielle sektor bruges data mining til at opdage svindel og verificere fakturaer. I kreditvurdering anvendes Bigdata til at beregne, hvor stor sandsynligheden for misligholdelse er. I den <a href=\"https:\/\/webhosting.de\/da\/warum-geschaefte-aus-der-fussgaengerzone-auch-online-eine-praesenz-zeigen-sollten\/\">Markedsf\u00f8ring<\/a> Data mining bruges til at beregne kundernes k\u00f8bsadf\u00e6rd og til at finde ud af, hvilke reklameforanstaltninger potentielle kunder er interesserede i. I onlinebutikker analyseres indk\u00f8bskurvene, og derefter \u00e6ndres priserne og placeringen af produkterne. Desuden kan der s\u00f8ges efter m\u00e5lgrupper for reklamekampagner og unders\u00f8ges kundeprofiler. P\u00e5 internettet bruges big data mining til at opdage angreb, anbefale tjenester og analysere sociale netv\u00e6rk. Andre anvendelsesomr\u00e5der er f.eks. medicin, bibliometri og sygepleje.<\/p>\n<h2>Ting, du skal vide om Bigdata og datamining<\/h2>\n<p>Bigdata eller data mining kan betragtes som en disciplin, der er neutral p\u00e5 et videnskabeligt niveau. Ved data mining kan data fra alle t\u00e6nkelige kilder analyseres. Men s\u00e5 snart dataene vedr\u00f8rer en person, kan der hurtigt opst\u00e5 moralske og juridiske konflikter. Disse vedr\u00f8rer normalt ikke analysen af dataene, men kun udtr\u00e6kningsprocessen. Oplysninger, der ikke er tilstr\u00e6kkeligt anonymiseret, kan under visse omst\u00e6ndigheder henf\u00f8res til bestemte personer. N\u00e5r der foretages data mining af big data, skal man derfor altid s\u00f8rge for at sikre anonymisering, s\u00e5 der ikke kan drages konklusioner om personer eller grupper af personer. Ud over de juridiske konflikter b\u00f8r det bem\u00e6rkes, at der ogs\u00e5 rejses moralske sp\u00f8rgsm\u00e5l. Det er tvivlsomt, om computere skal have tilladelse til at opdele mennesker i \"kategorier\" eller \"klasser\". I data mining pr\u00e6senteres personer f.eks. som kreditv\u00e6rdige eller ikke-kreditv\u00e6rdige. Generelt skal det bem\u00e6rkes, at selve processen er yderst v\u00e6rdineutral og anonym. Proceduren kender ikke konsekvenserne og sandsynlighederne af beregningen. Men s\u00e5 snart folk bliver konfronteret med dataene i det virkelige liv, f.eks. af Schufa, kan det medf\u00f8re fremmedgjorte, forn\u00e6rmede eller overraskede reaktioner. Hos s\u00f8gemaskinegiganten Google, p\u00e5 <a href=\"https:\/\/webhosting.de\/da\/so-gehts-google-analytics-in-wordpress-einbinden-und-anonymisieren\/\">Google Analytics<\/a> Oplysninger om webstedsoperat\u00f8rernes m\u00e5lgrupper.<\/p>\n<h2>Muligheder og fremtidsudsigter<\/h2>\n<p>I den globaliserede verden bliver data mining af store data mere og mere relevant. Tidligere kunne amerikanske virksomheder ud fra deres kunders k\u00f8bsadf\u00e6rd se, om de var gravide eller ej. P\u00e5 baggrund af disse indsigter blev der sendt m\u00e5lrettede indk\u00f8bskuponer og tips til shopping ud, hvilket \u00f8gede salget. P\u00e5 grund af k\u00f8bets art var det endda muligt at forudsige f\u00f8dselsdatoen, om end ikke p\u00e5 dagen n\u00f8jagtigt. Data mining af Big Data er af stor betydning for virksomheder i dag. Ved hj\u00e6lp af m\u00e5lrettet datamining af Big Data kan der indsamles vigtig viden om brugere og potentielle kunder. Data mining f\u00f8rer i sidste ende til st\u00f8rre salg og overskud og vil derfor blive meget vigtigere i fremtiden. Det er ikke s\u00e5 underligt: I den globaliserede og teknologiske verden er dataindsamling blevet normal, og den vil blive langt mere fremtr\u00e6dende i den n\u00e6rmeste fremtid.<\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Bigdata wird f\u00fcr gro\u00dfe Konzerne zunehmend zu einer Herausforderung. Der Begriff &#8222;Big Data&#8220; steht als Metapher f\u00fcr einen wertlosen Datenberg, in welchem nach Wissen gesucht werden soll. Mit Bigdata Mining werden statistische Methoden beschrieben mit welchen nach Trends, Querverbindungen und neuen Daten in Massendaten gesucht wird. Eine manuelle Verarbeitung solch riesiger Datenbest\u00e4nde ist nicht m\u00f6glich, 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