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[{"key": "dc.contributor.advisor", "value": "Saarela, Mirka", "language": "", "element": "contributor", "qualifier": "advisor", "schema": "dc"}, {"key": "dc.contributor.advisor", "value": "H\u00e4m\u00e4l\u00e4inen, Joonas", "language": "", "element": "contributor", "qualifier": "advisor", "schema": "dc"}, {"key": "dc.contributor.author", "value": "Rautiainen, Wiljam", "language": "", "element": "contributor", "qualifier": "author", "schema": "dc"}, {"key": "dc.date.accessioned", "value": "2022-06-21T10:36:25Z", "language": "", "element": "date", "qualifier": "accessioned", "schema": "dc"}, {"key": "dc.date.available", "value": "2022-06-21T10:36:25Z", "language": "", "element": "date", "qualifier": "available", "schema": "dc"}, {"key": "dc.date.issued", "value": "2022", "language": "", "element": "date", "qualifier": "issued", "schema": "dc"}, {"key": "dc.identifier.uri", "value": "https://jyx.jyu.fi/handle/123456789/81931", "language": "", "element": "identifier", "qualifier": "uri", "schema": "dc"}, {"key": "dc.description.abstract", "value": "Tiedonkeruu ja -hallinta ovat kokeneet merkitt\u00e4vi\u00e4 muutoksia\r\nviimeisen 50-vuoden aikana ja ovat tuoneet uusia tapoja ja teknologioita tiedon hallintaan ja\r\ntallentamiseen. Tuotamme nyky\u00e4\u00e4n valtavia m\u00e4\u00e4ri\u00e4 dataa ja k\u00e4yt\u00e4mme t\u00e4t\u00e4 dataa yh\u00e4 enemm\u00e4n\r\nyhteiskunnan eri alueilla. Kasvava tietom\u00e4\u00e4r\u00e4 on luonut uusia ongelmia datan k\u00e4yt\u00f6ss\u00e4.\r\nTermist\u00e4 big data on tullut laaja termi viittamaan valtavia datajoukkoja, joita ei voida prosessoida\r\nk\u00e4ytt\u00e4en hyv\u00e4ksi perinteisi\u00e4 tietojenk\u00e4sittelysovelluksia. N\u00e4m\u00e4 massiiviset datajoukot\r\novat luoneet uusia teknologioita ja ekosysteemej\u00e4 n\u00e4iden tietokokonaisuuksien k\u00e4sittelemiseksi.\r\nTermit tietoallas, tietovarasto Apache Hadoop ja Apache Spark liitet\u00e4\u00e4n usein\r\ntermiin big data. T\u00e4m\u00e4 tutkielma tutkii, mit\u00e4 big data on ja mist\u00e4 komponenteista sen\r\nekosysteemi koostuu. Tutkielmassa tarkastellaan ensin, miten tiedonhallinta on kehittynyt\r\nhistorian aikana ja miten olemme p\u00e4\u00e4tyneet nykyiseen tilanteeseen. T\u00e4m\u00e4n j\u00e4lkeen tutkielmassa\r\ntarkastellaan, miten big data m\u00e4\u00e4ritell\u00e4\u00e4n tieteellisess\u00e4 kirjallisuudessa ja mist\u00e4 osista\r\nsen ekosysteemin koostuu. Seuraavaksi tutkielmassa tarkastellaan kahta yleisint\u00e4 big data\r\nteknologiaa, Apache Hadoop, Apache Spark- teknologiaa. T\u00e4m\u00e4n tutkielman tarkoituksena\r\non selvent\u00e4\u00e4 termi\u00e4 big data ja tutkia, miten sen eri osat m\u00e4\u00e4ritell\u00e4\u00e4n tieteellisess\u00e4 kirjallisuudessa,\r\nsek\u00e4 miten sen sis\u00e4lt\u00e4m\u00e4t kokonaisuudet ilmaistaan tieteellisess\u00e4 kirjallisuudessa.", "language": "fi", "element": "description", "qualifier": "abstract", "schema": "dc"}, {"key": "dc.description.abstract", "value": "Data collection and management have undergone significant changes over the\r\npast 50 years, introducing new ways and technologies for data management and data storing.\r\nData has become increasingly more used in various areas of society, and we are now generating\r\nenormous amounts of data. This rising amount of data has created new problems when\r\nusing this vast amount of data. Big data has become a broad term for enormous datasets that\r\ntraditional data processing applications cannot process. Big data has created new technologies\r\nand ecosystems to process these datasets. The terms data lake, data warehouse, Apache\r\nHadoop, and Apache Spark are often linked with big data applications.\r\nThis thesis explores what big data is and what components its ecosystem consists of. The\r\nthesis will first examine how data management has evolved over history and how we have\r\nended up in the current situation. The thesis then examines how big data is defined in the\r\nacademic literature and what parts its ecosystem consists of. Next, the thesis will examine\r\nthe two most common ways of big data data processing technologies, Apache Hadoop and\r\nApache Spark. In sum, this thesis aims at clarifying the term big data and studying how its\r\nvarious aspects are defined in the academic literature.", "language": "en", "element": "description", "qualifier": "abstract", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted by Miia Hakanen (mihakane@jyu.fi) on 2022-06-21T10:36:25Z\r\nNo. of bitstreams: 0", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Made available in DSpace on 2022-06-21T10:36:25Z (GMT). No. of bitstreams: 0\r\n Previous issue date: 2022", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.format.extent", "value": "56", "language": "", "element": "format", "qualifier": "extent", "schema": "dc"}, {"key": "dc.format.mimetype", "value": "application/pdf", "language": null, "element": "format", "qualifier": "mimetype", "schema": "dc"}, {"key": "dc.language.iso", "value": "eng", "language": null, "element": "language", "qualifier": "iso", "schema": "dc"}, {"key": "dc.rights", "value": "In Copyright", "language": "en", "element": "rights", "qualifier": null, "schema": "dc"}, {"key": "dc.subject.other", "value": "big data ecosystems", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "Apache Spark", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.title", "value": "Big data : challenges, ecosystems and technologies", "language": "", "element": "title", "qualifier": null, "schema": "dc"}, {"key": "dc.type", "value": "master thesis", "language": null, "element": "type", "qualifier": null, "schema": "dc"}, {"key": "dc.identifier.urn", "value": "URN:NBN:fi:jyu-202206213538", "language": "", "element": "identifier", "qualifier": "urn", "schema": "dc"}, {"key": "dc.type.ontasot", "value": "Pro gradu -tutkielma", "language": "fi", "element": "type", "qualifier": "ontasot", "schema": "dc"}, {"key": "dc.type.ontasot", "value": "Master\u2019s thesis", "language": "en", "element": "type", "qualifier": "ontasot", "schema": "dc"}, {"key": "dc.contributor.faculty", "value": "Informaatioteknologian tiedekunta", "language": "fi", "element": "contributor", "qualifier": "faculty", "schema": "dc"}, {"key": "dc.contributor.faculty", "value": "Faculty of Information Technology", "language": "en", "element": "contributor", "qualifier": "faculty", "schema": "dc"}, {"key": "dc.contributor.department", "value": "Informaatioteknologia", "language": "fi", "element": "contributor", "qualifier": "department", "schema": "dc"}, {"key": "dc.contributor.department", "value": "Information Technology", "language": "en", "element": "contributor", "qualifier": "department", "schema": "dc"}, {"key": "dc.contributor.organization", "value": "Jyv\u00e4skyl\u00e4n yliopisto", "language": "fi", "element": "contributor", "qualifier": "organization", "schema": "dc"}, {"key": "dc.contributor.organization", "value": "University of Jyv\u00e4skyl\u00e4", "language": "en", "element": "contributor", "qualifier": "organization", "schema": "dc"}, {"key": "dc.subject.discipline", "value": "Tietotekniikka", "language": "fi", "element": "subject", "qualifier": "discipline", "schema": "dc"}, {"key": "dc.subject.discipline", "value": "Mathematical Information Technology", "language": "en", "element": "subject", "qualifier": "discipline", "schema": "dc"}, {"key": "yvv.contractresearch.funding", "value": "0", "language": "", "element": "contractresearch", "qualifier": "funding", "schema": "yvv"}, {"key": "dc.type.coar", "value": "http://purl.org/coar/resource_type/c_bdcc", "language": null, "element": "type", "qualifier": "coar", "schema": "dc"}, {"key": "dc.rights.accesslevel", "value": "restrictedAccess", "language": null, "element": "rights", "qualifier": "accesslevel", "schema": "dc"}, {"key": "dc.type.publication", "value": "masterThesis", "language": null, "element": "type", "qualifier": "publication", "schema": "dc"}, {"key": "dc.subject.oppiainekoodi", "value": "602", "language": "", "element": "subject", "qualifier": "oppiainekoodi", "schema": "dc"}, {"key": "dc.subject.yso", "value": "big data", "language": "", "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "Apache Hadoop", "language": "", "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "big data", "language": "", "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "Apache Hadoop", "language": "", "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.format.content", "value": "fulltext", "language": null, "element": "format", "qualifier": "content", "schema": "dc"}, {"key": "dc.rights.url", "value": "https://rightsstatements.org/page/InC/1.0/", "language": null, "element": "rights", "qualifier": "url", "schema": "dc"}, {"key": "dc.rights.accessrights", "value": "The author has not given permission to make the work publicly available electronically. Therefore the material can be read only at the archival workstation at Jyv\u00e4skyl\u00e4 University Library (https://kirjasto.jyu.fi/collections/archival-workstation).", "language": "en", "element": "rights", "qualifier": "accessrights", "schema": "dc"}, {"key": "dc.rights.accessrights", "value": "Tekij\u00e4 ei ole antanut lupaa avoimeen julkaisuun, joten aineisto on luettavissa vain Jyv\u00e4skyl\u00e4n yliopiston kirjaston arkistoty\u00f6semalta. Ks. https://kirjasto.jyu.fi/kokoelmat/arkistotyoasema..", "language": "fi", "element": "rights", "qualifier": "accessrights", "schema": "dc"}, {"key": "dc.type.okm", "value": "G2", "language": null, "element": "type", "qualifier": "okm", "schema": "dc"}]
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