Does Collocation Inform the Impact of Collaboration?
Publication Date
December 15, 2010
Journal
PLOS ONE
Authors
Kyungjoon Lee, John S. Brownstein, Richard G. Mills & Isaac S. Kohane
Volume
5
Issue
12
Pages
e14279
DOI
http://doi.org/10.1371/journal.pone.0014279
Publisher URL
http://journals.plos.org/plosone/article?id=10.1371%2Fjournal.pone.0014279
PubMed
http://www.ncbi.nlm.nih.gov/pubmed/21179507
PubMed Central
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3002263
Europe PMC
http://europepmc.org/abstract/MED/21179507
Web of Science
000285340000002
Scopus
78650736105
Mendeley
http://www.mendeley.com/research/collocation-inform-impact-collaboration
Events
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CiteULike | Further Information

Mendeley | Further Information

{"title"=>"Does collocation inform the impact of collaboration?", "type"=>"journal", "authors"=>[{"first_name"=>"Kyungjoon", "last_name"=>"Lee", "scopus_author_id"=>"55791186800"}, {"first_name"=>"John S.", "last_name"=>"Brownstein", "scopus_author_id"=>"8872411400"}, {"first_name"=>"Richard G.", "last_name"=>"Mills", "scopus_author_id"=>"37079311500"}, {"first_name"=>"Isaac S.", "last_name"=>"Kohane", "scopus_author_id"=>"35264289500"}], "year"=>2010, "source"=>"PLoS ONE", "identifiers"=>{"isbn"=>"1932-6203", "doi"=>"10.1371/journal.pone.0014279", "pui"=>"361020012", "sgr"=>"78650736105", "scopus"=>"2-s2.0-78650736105", "pmid"=>"21179507", "issn"=>"19326203"}, "id"=>"f7ff82be-9ecb-3569-bf25-dfb607af3bef", "abstract"=>"BACKGROUND: It has been shown that large interdisciplinary teams working across geography are more likely to be impactful. We asked whether the physical proximity of collaborators remained a strong predictor of the scientific impact of their research as measured by citations of the resulting publications.\\n\\nMETHODOLOGY/PRINCIPAL FINDINGS: Articles published by Harvard investigators from 1993 to 2003 with at least two authors were identified in the domain of biomedical science. Each collaboration was geocoded to the precise three-dimensional location of its authors. Physical distances between any two coauthors were calculated and associated with corresponding citations. Relationship between distance of coauthors and citations for four author relationships (first-last, first-middle, last-middle, and middle-middle) were investigated at different spatial scales. At all sizes of collaborations (from two authors to dozens of authors), geographical proximity between first and last author is highly informative of impact at the microscale (i.e. within building) and beyond. The mean citation for first-last author relationship decreased as the distance between them increased in less than one km range as well as in the three categorized ranges (in the same building, same city, or different city). Such a trend was not seen in other three author relationships.\\n\\nCONCLUSIONS/SIGNIFICANCE: Despite the positive impact of emerging communication technologies on scientific research, our results provide striking evidence for the role of physical proximity as a predictor of the impact of collaborations.", "link"=>"http://www.mendeley.com/research/collocation-inform-impact-collaboration", "reader_count"=>183, "reader_count_by_academic_status"=>{"Unspecified"=>3, "Professor > Associate Professor"=>18, "Librarian"=>6, "Researcher"=>45, "Student > Doctoral Student"=>4, "Student > Ph. D. Student"=>38, "Student > Postgraduate"=>2, "Other"=>22, "Student > Master"=>17, "Student > Bachelor"=>3, "Lecturer"=>1, "Lecturer > Senior Lecturer"=>4, "Professor"=>20}, "reader_count_by_user_role"=>{"Unspecified"=>3, "Professor > Associate Professor"=>18, "Librarian"=>6, "Researcher"=>45, "Student > Doctoral Student"=>4, "Student > Ph. D. Student"=>38, "Student > Postgraduate"=>2, "Other"=>22, "Student > Master"=>17, "Student > Bachelor"=>3, "Lecturer"=>1, "Lecturer > Senior Lecturer"=>4, "Professor"=>20}, "reader_count_by_subject_area"=>{"Unspecified"=>12, "Agricultural and Biological Sciences"=>40, "Arts and Humanities"=>4, "Business, Management and Accounting"=>11, "Chemical Engineering"=>1, "Chemistry"=>1, "Computer Science"=>21, "Earth and Planetary Sciences"=>4, "Engineering"=>6, "Environmental Science"=>5, "Biochemistry, Genetics and Molecular Biology"=>1, "Materials Science"=>1, "Mathematics"=>1, "Medicine and Dentistry"=>14, "Design"=>5, "Neuroscience"=>1, "Physics and Astronomy"=>6, "Psychology"=>14, "Social Sciences"=>32, "Linguistics"=>2, "Immunology and Microbiology"=>1}, "reader_count_by_subdiscipline"=>{"Materials Science"=>{"Materials Science"=>1}, "Medicine and Dentistry"=>{"Medicine and Dentistry"=>14}, "Social Sciences"=>{"Social Sciences"=>32}, "Physics and Astronomy"=>{"Physics and Astronomy"=>6}, "Psychology"=>{"Psychology"=>14}, "Mathematics"=>{"Mathematics"=>1}, "Unspecified"=>{"Unspecified"=>12}, "Environmental Science"=>{"Environmental Science"=>5}, "Chemical Engineering"=>{"Chemical Engineering"=>1}, "Arts and Humanities"=>{"Arts and Humanities"=>4}, "Design"=>{"Design"=>5}, "Engineering"=>{"Engineering"=>6}, "Chemistry"=>{"Chemistry"=>1}, "Neuroscience"=>{"Neuroscience"=>1}, "Earth and Planetary Sciences"=>{"Earth and Planetary Sciences"=>4}, "Immunology and Microbiology"=>{"Immunology and Microbiology"=>1}, "Agricultural and Biological Sciences"=>{"Agricultural and Biological Sciences"=>40}, "Computer Science"=>{"Computer Science"=>21}, "Business, Management and Accounting"=>{"Business, Management and Accounting"=>11}, "Linguistics"=>{"Linguistics"=>2}, "Biochemistry, Genetics and Molecular Biology"=>{"Biochemistry, Genetics and Molecular Biology"=>1}}, "reader_count_by_country"=>{"Republic of Singapore"=>3, "United States"=>20, "Philippines"=>1, "Japan"=>4, "United Kingdom"=>8, "Thailand"=>1, "Portugal"=>1, "Spain"=>5, "India"=>1, "Canada"=>4, "Netherlands"=>3, "Sweden"=>2, "Korea (South)"=>1, "Belgium"=>1, "Norway"=>1, "Luxembourg"=>1, "Denmark"=>1, "Brazil"=>1, "Italy"=>1, "Mexico"=>1, "France"=>1, "Chile"=>1, "Germany"=>5}, "group_count"=>17}

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Scopus | Further Information

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Figshare

  • {"files"=>["https://ndownloader.figshare.com/files/812106"], "description"=>"<p>Citation of an article has strong positive correlation with the number of coauthors. This trend becomes obvious for articles with more than 5 authors. Because of this, to see the relationship between author distance and citation, articles with different number of coauthors need to be analysed separately. We separated articles with 4 or less authors and 5 or more authors.</p>", "links"=>[], "tags"=>["coauthors"], "article_id"=>482472, "categories"=>["Science Policy", "Information And Computing Sciences", "Cancer"], "users"=>["Kyungjoon Lee", "John S. Brownstein", "Richard G. Mills", "Isaac S. Kohane"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0014279.g001", "stats"=>{"downloads"=>0, "page_views"=>4, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Number_of_coauthors_and_mean_citations_/482472", "title"=>"Number of coauthors and mean citations.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-02-20 21:48:00"}
  • {"files"=>["https://ndownloader.figshare.com/files/812761"], "description"=>"<p>The height of each building reflects the mean number of citations of publications originating in that building, and the color gradient reflects the proportion of publications originating from that building in which both first and last authors work in the building (from grey = low to blue = high). An interactive version of this map could be found at <a href=\"http://collaboration.harvard.edu\" target=\"_blank\">http://collaboration.harvard.edu</a>.</p>", "links"=>[], "tags"=>["intra-building", "citation", "longwood", "harvard"], "article_id"=>483127, "categories"=>["Science Policy", "Information And Computing Sciences", "Cancer"], "users"=>["Kyungjoon Lee", "John S. Brownstein", "Richard G. Mills", "Isaac S. Kohane"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0014279.g008", "stats"=>{"downloads"=>2, "page_views"=>7, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_3_D_representation_of_the_relationship_between_intra_building_collaboration_and_mean_citation_impact_on_the_Longwood_campus_of_Harvard_Medical_School_/483127", "title"=>"3-D representation of the relationship between intra-building collaboration and mean citation impact on the Longwood campus of Harvard Medical School.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-02-20 21:51:30"}
  • {"files"=>["https://ndownloader.figshare.com/files/812211"], "description"=>"<p>Most of the coauthors are very close to each other within 200 m.</p>", "links"=>[], "tags"=>["science policy", "computational biology/literature analysis", "computer science/information technology"], "article_id"=>482580, "categories"=>["Science Policy", "Information And Computing Sciences", "Cancer"], "users"=>["Kyungjoon Lee", "John S. Brownstein", "Richard G. Mills", "Isaac S. Kohane"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0014279.g003", "stats"=>{"downloads"=>1, "page_views"=>5, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Histogram_of_data_in_Figure_2_/482580", "title"=>"Histogram of data in Figure 2.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-02-20 21:48:33"}
  • {"files"=>["https://ndownloader.figshare.com/files/812659"], "description"=>"<p>Scatter plot showing relationship between first author-last author distance and publication citation impact (±2 SEM). Three inter-author distances were selected for illustration: same building, same city or different cities. Results are plotted for publications with four or fewer authors (black), and with five or more authors (red).</p>", "links"=>[], "tags"=>["citation", "first-last", "authors"], "article_id"=>483025, "categories"=>["Science Policy", "Information And Computing Sciences", "Cancer"], "users"=>["Kyungjoon Lee", "John S. Brownstein", "Richard G. Mills", "Isaac S. Kohane"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0014279.g007", "stats"=>{"downloads"=>1, "page_views"=>5, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Mean_citation_for_first_last_authors_in_the_same_building_same_city_or_different_city_/483025", "title"=>"Mean citation for first-last authors in the same building, same city, or different city.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-02-20 21:50:58"}
  • {"files"=>["https://ndownloader.figshare.com/files/812287"], "description"=>"<p>There are four author relationships within an article: first-last, first-middle, last-middle, middle-middle. While there is only one FL in any article, there are (n-2) FMs or LMs in an article with n authors, and (n-2)x(n- 3)/2 MMs. As you can see in FM/LM/MM graphs, the ALL graphs are dominated by > = 5 data because there are way more same relationship pairs as n increases. If there is an article with 100 authors/50 citations, for example, the citation 50 gets counted 98 times in FM/LM mean citation and ∼10000 times in MM. There is one safe case, though. If there are 4 authors, there is only 1 MM. If there are less than 4 authors, there is no MM. Therefore, graphs for FL and MM < = 4 are safe for interpretation. Other graphs should be interpreted carefully.</p>", "links"=>[], "tags"=>["citation"], "article_id"=>482658, "categories"=>["Science Policy", "Information And Computing Sciences", "Cancer"], "users"=>["Kyungjoon Lee", "John S. Brownstein", "Richard G. Mills", "Isaac S. Kohane"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0014279.g004", "stats"=>{"downloads"=>1, "page_views"=>6, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Distance_and_mean_citation_in_different_author_relationships_/482658", "title"=>"Distance and mean citation in different author relationships.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-02-20 21:48:58"}
  • {"files"=>["https://ndownloader.figshare.com/files/812153"], "description"=>"<p>High resolution data is only available for Harvard affiliated authors. Harvard authors are in 4 major geographical locations: Longwood Medical Area, Massachusetts General Hospital (MGH) main campus, MGH Navy Yard campus, and McLean Hospital. Distances between authors are aggregated in discrete values because authors are not uniformly distributed but in one of those 4 locations. Maximum value (12 km) are for authors in MGH campuses and McLean Hospital.</p>", "links"=>[], "tags"=>["authors", "citation"], "article_id"=>482519, "categories"=>["Science Policy", "Information And Computing Sciences", "Cancer"], "users"=>["Kyungjoon Lee", "John S. Brownstein", "Richard G. Mills", "Isaac S. Kohane"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0014279.g002", "stats"=>{"downloads"=>1, "page_views"=>5, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Scatter_plot_of_distance_between_authors_and_citation_for_high_resolution_data_/482519", "title"=>"Scatter plot of distance between authors and citation for high resolution data.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-02-20 21:48:17"}
  • {"files"=>["https://ndownloader.figshare.com/files/812584"], "description"=>"<p>There is no obvious trend.</p>", "links"=>[], "tags"=>["citation", "middle-middle", "articles", "coauthors", "resolutions", "1000"], "article_id"=>482945, "categories"=>["Science Policy", "Information And Computing Sciences", "Cancer"], "users"=>["Kyungjoon Lee", "John S. Brownstein", "Richard G. Mills", "Isaac S. Kohane"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0014279.g006", "stats"=>{"downloads"=>1, "page_views"=>3, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Distance_and_mean_citation_for_middle_middle_author_relationship_in_articles_with_less_than_5_coauthors_in_three_resolutions_100_m_1_km_and_1000_km_/482945", "title"=>"Distance and mean citation for middle-middle author relationship in articles with less than 5 coauthors in three resolutions (100 m, 1 km, and 1000 km).", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-02-20 21:50:29"}
  • {"files"=>["https://ndownloader.figshare.com/files/812404"], "description"=>"<p>Distance and mean citation for first-last author relationship in three resolutions (100 m, 1 km, and 1000 km).</p>", "links"=>[], "tags"=>["citation", "first-last", "resolutions", "1000"], "article_id"=>482770, "categories"=>["Science Policy", "Information And Computing Sciences", "Cancer"], "users"=>["Kyungjoon Lee", "John S. Brownstein", "Richard G. Mills", "Isaac S. Kohane"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0014279.g005", "stats"=>{"downloads"=>0, "page_views"=>3, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Distance_and_mean_citation_for_first_last_author_relationship_in_three_resolutions_100_m_1_km_and_1000_km_/482770", "title"=>"Distance and mean citation for first-last author relationship in three resolutions (100 m, 1 km, and 1000 km).", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-02-20 21:49:32"}

PMC Usage Stats | Further Information

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Relative Metric

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