英語版WikipediaにおけるDOIリンクの初出時点の分析: 研究分野を中心に / jsims2018

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1. 2018೥6݄23೔ (౔) ৘ใϝσΟΞֶձ (JSIMS) ୈ17ճݚڀେձ @தԝେֶ ӳޠ൛Wikipediaʹ͓͚ΔDOIϦϯΫͷ ॳग़࣌఺ͷ෼ੳ: ݚڀ෼໺Λத৺ʹ ٢઒࣍࿠

   ஜ೾େֶେֶӃ jiro@slis.tsukuba.ac.jp masao@slis.tsukuba.ac.jp ߴٱխੜ ஜ೾େֶ RQ1 ࢀরهड़͸Կ೥ࠒ͔Β௥Ճ͞Ε͍ͯΔͷ͔ ˠ 2002೥ʹॳΊͯ௥Ճ͞Εɺ2007೥͔Βٸ૿͍ͯ͠Δ RQ2 ࢀরهड़͸ۙ೥ʹͳΔʹͭΕͯ੝Μʹ௥Ճ͞Ε͍ͯΔͷ͔ ˠ ۙ೥ʹͳΕ͹ͳΔ΄Ͳ੝Μʹͳ͍ͬͯΔ RQ3 Ͳͷݚڀ෼໺ͷࡶࢽ΍࿦จ͕ɺͲΕ͘Β͍ࢀর͞Ε͍ͯΔͷ͔ ˠ ࡶࢽͷࢀর཰
   શମͰ 81.8%ɺ࠷΋ߴ͍ͷ͸ʮLife Science ੜ໋Պֶ ʯͰ 96.4% ˠ ࿦จͷࢀর཰
   શମͰ 1.2%ɺ࠷΋ߴ͍ͷ͸ʮMultidisciplinary ଟྖҬՊֶ ʯͰ 3.9% ද3: ࢀরهड़ͷ௥Ճ݅਺ͷܦ೥มԽ ද2: ࢀরهड़ͷ௥Ճ݅਺ͷܦ೥มԽ ೥߲໨ 2002೥ 1 0.0 1 0 2003೥ 2 0.0 3 2 2004೥ 64 0.0 67 11 2005೥ 313 0.0 380 70 2006೥ 3,779 0.4 4,159 436 2007೥ 55,544 5.6 59,703 1,152 2008೥ 99,317 10.0 159,020 2,128 2009೥ 99,526 10.0 258,546 2,848 2010೥ 87,240 8.7 345,786 3,361 2011೥ 71,526 7.2 417,312 4,373 2012೥ 71,605 7.2 488,917 5,013 2013೥ 72,074 7.2 560,991 5,517 2014೥ 124,313 12.5 685,304 5,780 2015೥ 156,775 15.7 842,079 7,815 2016೥ 133,853 13.4 975,932 9,556 2017೥ 21,676 2.2 997,608 2,207 શମ 997,608 100.0 997,608 36,174 ྦྷੵ݅਺ ׂ߹ (%) ॳग़݅਺ ฤूऀ਺
   * * ϩάΠϯฤूऀͷΈ 2017೥3݄5೔·Ͱʹ ӳޠ൛Wikipediaʹ௥Ճ͞Εͨ DOIϦϯΫͷ͏ͪ Scopusऩ࿥ࡶࢽͷ࿦จʹର͢Δࢀরهड़ ߲໨৚݅ ॳग़࣌఺શମ Crossref DOI Crossref DOI ͔ͭ Scopus
   ऩ࿥͋Γ Crossref DOI ͔ͭ Scopus ऩ࿥ͳ͠ Ԇ΂DOI໊ 1,121,604 1,099,788 997,608 102,180 ׂ߹ (%) ʕ 100.0 90.7 9.3 ҟͳΓDOI໊ 759,112 742,140 670,233 71,907 ׂ߹ (%) ʕ 100.0 90.3 9.7 ҟͳΓϖʔδ 221,157 219,500 198,067 61,158 ද1: ෼ੳର৅ͷ֓ཁ { “doiname”: “10.1126/science.1073257”, “type”: “journal-article”, “journal_title”: “Science” “publisher”: “American Association for the Advancement of Science (AAAS)”, “paper_title”: “Sexual Selection, Temperature, and the Lion’s Mane”, “issued_year”: “2002”, “issn_print”: “0036-8075”, “doi_created_date”: “2002-10-01 19:34:46 UTC”, “timestamp”: “2007-09-20 00:32:02 UTC”, “page_id”: “36896”, “page_title”: “Lion”, “user_id”: “98785”, “user”: “Circeus”, “edit_comment”: “/* Physical characteristics */ references cleanup”, “research_field”: “Multidisciplinary” } ࡶࢽ਺ ࿦จ਺ Health Science 13,819 7,152 21,747,085 5,792 81.0 222,774 1.0 Life Science 6,809 4,678 14,771,374 4,510 96.4 300,731 2.0 Multidisciplinary 115 63 1,089,733 44 69.8 42,484 3.9 Physical Science 12,263 7,277 22,432,450 6,197 85.2 176,813 0.8 Social Science 10,905 7,417 10,661,135 5,605 75.6 105,869 1.0 શମ 36,832 21,612 57,429,821 17,683 81.8 670,233 1.2 ෼໺໊߲໨ શऩ࿥ࡶࢽ਺ Scopus %0*ϦϯΫΛ௨ͨ͡ࢀরهड़ %0*ࢀরՄೳͳ ҟͳΓࡶࢽ਺ ࢀর཰
    ҟͳΓ࿦จ਺ ࢀর཰
    • ॳग़࣌఺Λ೥୯ҐͰूܭ͠ɺ͋Δ೥ʹԿ݅ͷࢀরهड़͕ ௥Ճ͞Ε͔ͨɺԿਓͷฤूऀ͕௥ՃΛߦͳ͔ͬͨΛ෼ੳ ݚڀ෼໺͝ͱͷࢀরঢ়گ • ͦΕͧΕͷݚڀ෼໺ʹ͓͚Δ ࡶࢽͷࢀর཰ɺ࿦จͷࢀর཰ Λࢉग़ ਤ1: σʔληοτͷαϯϓϧ σʔληοτͷߏங • ࢀরهड़ΛؚΉ8JLJQFEJBͷϖʔδͷฤूཤྺΛऔಘ • ֤ฤू࣌఺Ͱࢀর͞Ε͍ͯΔϋΠύʔϦϯΫΛ ͢΂ͯऔಘ͠ɺ͋Δϖʔδʹ೚ҙͷ%0*ϦϯΫ͕ ʮ͍ͭʯ௥Ճ͞Ε͔ͨΛಛఆ • *44/Λ༻͍ͯScopusλΠτϧϦετͱর߹͠ɺ Ͳͷݚڀ෼໺ʹଐ͢Δ͔Λ൑ఆ ෼ੳ݁Ռ ॳग़࣌఺ͷ݅਺ʹؔ͢Δܦ೥มԽ ෼ੳର৅