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[{"key": "dc.contributor.author", "value": "Lahikainen, Esa", "language": null, "element": "contributor", "qualifier": "author", "schema": "dc"}, {"key": "dc.date.accessioned", "value": "2011-04-04T06:23:21Z", "language": null, "element": "date", "qualifier": "accessioned", "schema": "dc"}, {"key": "dc.date.available", "value": "2011-04-04T06:23:21Z", "language": null, "element": "date", "qualifier": "available", "schema": "dc"}, {"key": "dc.date.issued", "value": "2011", "language": null, "element": "date", "qualifier": "issued", "schema": "dc"}, {"key": "dc.identifier.uri", "value": "https://jyx.jyu.fi/handle/123456789/26724", "language": null, "element": "identifier", "qualifier": "uri", "schema": "dc"}, {"key": "dc.description.abstract", "value": "Lahikainen, Esa Juhana\r\n\r\n\r\nRelevanssipalaute sis\u00e4lt\u00f6pohjaisissa kuvatiedonhaun j\u00e4rjestelmiss\u00e4\r\n\r\n\r\nJyv\u00e4skyl\u00e4: Jyv\u00e4skyl\u00e4n yliopisto, 2010, \r\n31\r\ns.\r\n\r\n\r\nTietoj\u00e4rjestelm\u00e4tie\r\nde, Kandidaatintutkielma\r\n\r\n\r\nOhjaaja\r\n: Ojala, Arto\r\n\r\n\r\nInternet\r\n-\r\ntiedonhaku ja suuret tietokannat perustuvat p\u00e4\u00e4asiassa \r\ntekstipohjaiselle tiedonhaulle. Dokumenttien hakuun optimoidut j\u00e4rjestelm\u00e4t \r\neiv\u00e4t toimi yht\u00e4 hyvin, kun kyseess\u00e4 on kuvia, videoita tai \u00e4\u00e4nt\u00e4 sis\u00e4lt\u00e4v\u00e4 \r\nkokoelma. R\u00e4j\u00e4hdysm\u00e4inen digitaalisen kuvantamisen kasvu internetin \r\nsiivitt\u00e4m\u00e4n\u00e4 on viime vuosikymmenin\u00e4 synnytt\u00e4nyt sis\u00e4lt\u00f6pohjaisia \r\nkuvatiedonhaun menetelmi\u00e4.\r\n\r\n\r\nKirjallisuuskatsaus tarkastelee interaktiivisia k\u00e4ytt\u00e4j\u00e4palautetta hy\u00f6dynt\u00e4vi\u00e4 \r\nsis\u00e4lt\u00f6pohjaisia kuvatiedonhaun j\u00e4rjestelmi\u00e4 ja niiden suunnittelua sek\u00e4 \r\narviointia. Kuvatiedonhaun ongelmaksi paljastuu tietokoneen ja ihmisen \r\nerilainen kyky katsoa kuvia eli ns. semanttinen kuilu. T\u00e4m\u00e4n semanttisen \r\nkuilun kaventamiseen on esitetty ratkaisuksi j\u00e4\r\nrjestelm\u00e4\u00e4,\r\njoka iteratiivisesti \r\nmuotoilee hakutulokset uudelleen k\u00e4ytt\u00e4j\u00e4j\u00e4palautteen avulla. Tutkielmassa \r\nhalutaan selvitt\u00e4\u00e4, onko t\u00e4m\u00e4nkaltainen interaktiivinen hakuj\u00e4rjestelm\u00e4 paras \r\nmahdollinen tapa saada tietokone ja ihminen ymm\u00e4rt\u00e4m\u00e4\u00e4n toisiaan.\r\n\r\n\r\nRelevanssipalaute paljastuukin toistaiseksi parhaaksi tavaksi kaventaa \r\nsemanttista kuilua ja opettaa j\u00e4rjestelm\u00e4\u00e4 ymm\u00e4rt\u00e4m\u00e4\u00e4n haun tilannekohtaista \r\nsemantiikkaa. Nykyinen tutkimus tuntuu kuitenkin keskittyv\u00e4n pelk\u00e4st\u00e4\u00e4n \r\nuusien relevanssipalautteen algoritmien\r\nkehitt\u00e4miseen, joiden toimivuus on \r\nhyvin kyseenalaista laajemmissa kuvakokoelmissa. Kirjallisuuskatsauksn \r\nperusteella sek\u00e4 sis\u00e4lt\u00f6pohjainen kuvatiedonhaku ett\u00e4 relevanssipalaute \r\ntarvitsevat viel\u00e4 paljon kehityst\u00e4, jotta ne ylivoimaisesti voivat korvata \r\ntekstipohjaiset hakumenetelm\u00e4t.", "language": "fi", "element": "description", "qualifier": "abstract", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted by Seija Paananen (sepaanan@jyu.fi) on 2011-04-01T12:08:08Z\r\nNo. of bitstreams: 1\r\nEsa Lahikainen.pdf: 7105820 bytes, checksum: 3e640e5420bf129d4cfc2264cc9638b4 (MD5)", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Approved for entry into archive by Marja-Leena Harjuniemi(mharjuni@jyu.fi) on 2011-04-04T06:23:21Z (GMT) No. of bitstreams: 1\r\nEsa Lahikainen.pdf: 7105820 bytes, checksum: 3e640e5420bf129d4cfc2264cc9638b4 (MD5)", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Made available in DSpace on 2011-04-04T06:23:21Z (GMT). No. of bitstreams: 1\r\nEsa Lahikainen.pdf: 7105820 bytes, checksum: 3e640e5420bf129d4cfc2264cc9638b4 (MD5)\r\n Previous issue date: 2011", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.language.iso", "value": "fin", "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": "sis\u00e4lt\u00f6pohjainen kuvatiedonhaku", "language": "en", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "relevanssipalaute", "language": "en", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "hakukone", "language": "en", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "semanttinen kuilu", "language": "en", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "k\u00e4ytett\u00e4vyys", "language": "en", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "kyselyn uudelleenmuotoilu", "language": "en", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "oppiva j\u00e4rjestelm\u00e4", "language": "en", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.title", "value": "Relevanssipalaute sis\u00e4lt\u00f6pohjaisissa kuvatiedonhaun j\u00e4rjestelmiss\u00e4", "language": null, "element": "title", "qualifier": null, "schema": "dc"}, {"key": "dc.type", "value": "bachelor thesis", "language": null, "element": "type", "qualifier": null, "schema": "dc"}, {"key": "dc.identifier.urn", "value": "URN:NBN:fi:jyu-2011040110582", "language": null, "element": "identifier", "qualifier": "urn", "schema": "dc"}, {"key": "dc.type.dcmitype", "value": "Text", "language": "en", "element": "type", "qualifier": "dcmitype", "schema": "dc"}, {"key": "dc.type.ontasot", "value": "Bachelor's thesis", "language": "en", "element": "type", "qualifier": "ontasot", "schema": "dc"}, {"key": "dc.type.ontasot", "value": "Kandidaatintutkielma", "language": "fi", "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": "University of Jyv\u00e4skyl\u00e4", "language": "en", "element": "contributor", "qualifier": "organization", "schema": "dc"}, {"key": "dc.contributor.organization", "value": "Jyv\u00e4skyl\u00e4n yliopisto", "language": "fi", "element": "contributor", "qualifier": "organization", "schema": "dc"}, {"key": "dc.subject.discipline", "value": "Tietoj\u00e4rjestelm\u00e4tiede", "language": "fi", "element": "subject", "qualifier": "discipline", "schema": "dc"}, {"key": "dc.subject.discipline", "value": "Information Systems Science", "language": "en", "element": "subject", "qualifier": "discipline", "schema": "dc"}, {"key": "dc.type.coar", "value": "http://purl.org/coar/resource_type/c_7a1f", "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": "bachelorThesis", "language": null, "element": "type", "qualifier": "publication", "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/en/workspaces/facilities/facilities).", "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/fi/tyoskentelytilat/laitteet-ja-tilat", "language": "fi", "element": "rights", "qualifier": "accessrights", "schema": "dc"}]
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