Random Drift versus Selection in Academic Vocabulary: An Evolutionary Analysis of Published Keywords
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{"title"=>"Random drift versus selection in academic vocabulary: An evolutionary analysis of published keywords", "type"=>"journal", "authors"=>[{"first_name"=>"R. Alexander", "last_name"=>"Bentley", "scopus_author_id"=>"7102498946"}], "year"=>2008, "source"=>"PLoS ONE", "identifiers"=>{"issn"=>"19326203", "arxiv"=>"0807.1182", "scopus"=>"2-s2.0-52449114526", "sgr"=>"52449114526", "pui"=>"352410193", "isbn"=>"1932-6203 (Electronic)", "pmid"=>"18728786", "doi"=>"10.1371/journal.pone.0003057"}, "id"=>"bc74242e-6ee4-33ed-bb00-daec52d5b52c", "abstract"=>"The evolution of vocabulary in academic publishing is characterized via keyword frequencies recorded in the ISI Web of Science citations database. In four distinct case-studies, evolutionary analysis of keyword frequency change through time is compared to a model of random copying used as the null hypothesis, such that selection may be identified against it. The case studies from the physical sciences indicate greater selection in keyword choice than in the social sciences. Similar evolutionary analyses can be applied to a wide range of phenomena; wherever the popularity of multiple items through time has been recorded, as with web searches, or sales of popular music and books, for example.", "link"=>"http://www.mendeley.com/research/random-drift-versus-selection-academic-vocabulary-evolutionary-analysis-published-keywords", "reader_count"=>59, "reader_count_by_academic_status"=>{"Professor > Associate Professor"=>2, "Researcher"=>20, "Student > Doctoral Student"=>1, "Student > Ph. D. Student"=>12, "Student > Postgraduate"=>3, "Student > Master"=>5, "Other"=>2, "Student > Bachelor"=>5, "Lecturer"=>1, "Lecturer > Senior Lecturer"=>1, "Professor"=>7}, "reader_count_by_user_role"=>{"Professor > Associate Professor"=>2, "Researcher"=>20, "Student > Doctoral Student"=>1, "Student > Ph. D. Student"=>12, "Student > Postgraduate"=>3, "Student > Master"=>5, "Other"=>2, "Student > Bachelor"=>5, "Lecturer"=>1, "Lecturer > Senior Lecturer"=>1, "Professor"=>7}, "reader_count_by_subject_area"=>{"Unspecified"=>4, "Environmental Science"=>2, "Mathematics"=>1, "Agricultural and Biological Sciences"=>16, "Medicine and Dentistry"=>2, "Arts and Humanities"=>3, "Business, Management and Accounting"=>2, "Physics and Astronomy"=>1, "Psychology"=>8, "Social Sciences"=>11, "Computer Science"=>6, "Linguistics"=>3}, "reader_count_by_subdiscipline"=>{"Medicine and Dentistry"=>{"Medicine and Dentistry"=>2}, "Social Sciences"=>{"Social Sciences"=>11}, "Physics and Astronomy"=>{"Physics and Astronomy"=>1}, "Psychology"=>{"Psychology"=>8}, "Agricultural and Biological Sciences"=>{"Agricultural and Biological Sciences"=>16}, "Computer Science"=>{"Computer Science"=>6}, "Business, Management and Accounting"=>{"Business, Management and Accounting"=>2}, "Linguistics"=>{"Linguistics"=>3}, "Mathematics"=>{"Mathematics"=>1}, "Unspecified"=>{"Unspecified"=>4}, "Environmental Science"=>{"Environmental Science"=>2}, "Arts and Humanities"=>{"Arts and Humanities"=>3}}, "reader_count_by_country"=>{"United States"=>6, "Luxembourg"=>1, "Brazil"=>3, "United Kingdom"=>5, "France"=>1, "Germany"=>3, "Spain"=>2}, "group_count"=>3}

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Figshare

  • {"files"=>["https://ndownloader.figshare.com/files/923047"], "description"=>"<p>Numbers in parentheses give standard error on the trailing digits.</p>", "links"=>[], "tags"=>["tracked"], "article_id"=>593502, "categories"=>["Science Policy", "Infectious Diseases", "Evolutionary Biology", "Mathematics", "Physics"], "users"=>["R. Alexander Bentley"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0003057.t002", "stats"=>{"downloads"=>4, "page_views"=>5, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Values_of_NV_for_the_top_5_words_2002_2006_tracked_in_Figure_3_/593502", "title"=>"Values of <i>NV</i>/ν for the top 5 words, 2002–2006, tracked in Figure 3.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2013-02-21 09:39:28"}
  • {"files"=>["https://ndownloader.figshare.com/files/923003"], "description"=>"<p>Double logarithmic axes. Open circles show distribution for 2001 and filled circles are for 2005. The paradigms are (a) newer physical sciences (PS99), (b) newer social sciences (SS98), (c) older physical sciences (PS81) and (d) older social sciences (SS77). Using the maximum likelihood method <a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0003057#pone.0003057-Newman1\" target=\"_blank\">[16]</a>, the estimated power-law exponents for 2001 and 2005, respectively, are as follows: PS99: 2.11, 2.00; SS98: 2.11, 2.02; PS81: 2.09, 2.05; SS77: 2.18, 2.09. Errors (by jackknife estimate) on these exponents are <0.01.</p>", "links"=>[], "tags"=>["distributions"], "article_id"=>593467, "categories"=>["Science Policy", "Infectious Diseases", "Evolutionary Biology", "Mathematics", "Physics"], "users"=>["R. Alexander Bentley"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0003057.g004", "stats"=>{"downloads"=>1, "page_views"=>11, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Cumulative_frequency_distributions_of_all_keywords_/593467", "title"=>"Cumulative frequency distributions of all keywords.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-02-21 09:39:11"}
  • {"files"=>["https://ndownloader.figshare.com/files/922885"], "description"=>"<p>Shown are the four paradigm case studies, including: (a) newer physical sciences (PS99); (b) newer social sciences (SS98); (c) older physical sciences (PS81); and (d) older social sciences (SS77). Logarithmic y-axes.</p>", "links"=>[], "tags"=>["keywords"], "article_id"=>593340, "categories"=>["Science Policy", "Infectious Diseases", "Evolutionary Biology", "Mathematics", "Physics"], "users"=>["R. Alexander Bentley"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0003057.g003", "stats"=>{"downloads"=>1, "page_views"=>7, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Frequencies_of_the_top_5_keywords_of_2005_/593340", "title"=>"Frequencies of the top 5 keywords of 2005.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-02-21 09:38:30"}
  • {"files"=>["https://ndownloader.figshare.com/files/922792"], "description"=>"<p>Social science cases are shown in red and physical sciences in black. Turnover refers to words making a first appearance in the top 5. For the older paradigms (SS77; PS81), symbols are squares and the count begins at 1994, for the newer articles (PS99; SS98) symbols are circles and the count begins the year after publication.</p>", "links"=>[], "tags"=>["turnover"], "article_id"=>593247, "categories"=>["Science Policy", "Infectious Diseases", "Evolutionary Biology", "Mathematics", "Physics"], "users"=>["R. Alexander Bentley"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0003057.g002", "stats"=>{"downloads"=>1, "page_views"=>4, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Cumulative_turnover_in_the_top_5_keywords_/593247", "title"=>"Cumulative turnover in the top 5 keywords.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-02-21 09:37:56"}
  • {"files"=>["https://ndownloader.figshare.com/files/922671"], "description"=>"<p>Social science cases are shown in red and physical sciences in black. Solid curves show the total number of keywords <i>N</i> per year, and the dashed curve shows number of new keywords <i>Nμ</i> introduced per year.</p>", "links"=>[], "tags"=>["paradigms", "10", "30", "years"], "article_id"=>593124, "categories"=>["Science Policy", "Infectious Diseases", "Evolutionary Biology", "Mathematics", "Physics"], "users"=>["R. Alexander Bentley"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0003057.g001", "stats"=>{"downloads"=>0, "page_views"=>6, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Keywords_total_and_new_among_paradigms_about_a_10_and_b_30_years_old_/593124", "title"=>"Keywords, total and new, among paradigms about (a) 10 and (b) 30 years old.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-02-21 09:37:10"}
  • {"files"=>["https://ndownloader.figshare.com/files/923087"], "description"=>"<p>Parameters include the number of keywords <i>N</i>, different keywords or ‘vocabulary’, newly appearing keywords <i>Nμ</i>, and the invention fraction <i>μ</i>.</p>", "links"=>[], "tags"=>["science policy", "evolutionary biology/animal behavior", "evolutionary biology/bioinformatics", "evolutionary biology/pattern formation", "mathematics/fractals", "physics/interdisciplinary physics", "evolutionary biology/human evolution", "science policy/education"], "article_id"=>593535, "categories"=>["Science Policy", "Infectious Diseases", "Evolutionary Biology", "Mathematics", "Physics"], "users"=>["R. Alexander Bentley"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0003057.t001", "stats"=>{"downloads"=>4, "page_views"=>12, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Average_values_from_2002_8211_2006_/593535", "title"=>"Average values, from 2002–2006.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2013-02-21 09:39:37"}

PMC Usage Stats | Further Information

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Relative Metric

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