{"id":"https://openalex.org/W1967896143","doi":"https://doi.org/10.1007/s11192-013-1068-7","title":"Substance without citation: evaluating the online impact of grey literature","display_name":"Substance without citation: evaluating the online impact of grey literature","publication_year":2013,"publication_date":"2013-06-17","ids":{"openalex":"https://openalex.org/W1967896143","doi":"https://doi.org/10.1007/s11192-013-1068-7","mag":"1967896143"},"language":"en","primary_location":{"id":"doi:10.1007/s11192-013-1068-7","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s11192-013-1068-7","pdf_url":null,"source":{"id":"https://openalex.org/S148561398","display_name":"Scientometrics","issn_l":"0138-9130","issn":["0138-9130","1588-2861"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320108","host_organization_name":"Springer Nature (Netherlands)","host_organization_lineage":["https://openalex.org/P4310320108","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Nature (Netherlands)","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Scientometrics","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5033989150","display_name":"David Wilkinson","orcid":"https://orcid.org/0000-0001-6395-7238"},"institutions":[{"id":"https://openalex.org/I119664326","display_name":"University of Wolverhampton","ror":"https://ror.org/01k2y1055","country_code":"GB","type":"education","lineage":["https://openalex.org/I119664326"]}],"countries":["GB"],"is_corresponding":true,"raw_author_name":"David Wilkinson","raw_affiliation_strings":["Statistical Cybermetrics Research Group, School of Technology, University of Wolverhampton, Wulfruna Street, Wolverhampton, WV1 1LY, UK","Statistical Cybermetrics Research Group, School of Technology, University of Wolverhampton, Wolverhampton, UK WV1 1LY#TAB#"],"affiliations":[{"raw_affiliation_string":"Statistical Cybermetrics Research Group, School of Technology, University of Wolverhampton, Wulfruna Street, Wolverhampton, WV1 1LY, UK","institution_ids":["https://openalex.org/I119664326"]},{"raw_affiliation_string":"Statistical Cybermetrics Research Group, School of Technology, University of Wolverhampton, Wolverhampton, UK WV1 1LY#TAB#","institution_ids":["https://openalex.org/I119664326"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5063944665","display_name":"Pardeep Sud","orcid":"https://orcid.org/0000-0002-3304-0469"},"institutions":[{"id":"https://openalex.org/I119664326","display_name":"University of Wolverhampton","ror":"https://ror.org/01k2y1055","country_code":"GB","type":"education","lineage":["https://openalex.org/I119664326"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Pardeep Sud","raw_affiliation_strings":["Statistical Cybermetrics Research Group, School of Technology, University of Wolverhampton, Wulfruna Street, Wolverhampton, WV1 1LY, UK","Statistical Cybermetrics Research Group, School of Technology, University of Wolverhampton, Wolverhampton, UK WV1 1LY#TAB#"],"affiliations":[{"raw_affiliation_string":"Statistical Cybermetrics Research Group, School of Technology, University of Wolverhampton, Wulfruna Street, Wolverhampton, WV1 1LY, UK","institution_ids":["https://openalex.org/I119664326"]},{"raw_affiliation_string":"Statistical Cybermetrics Research Group, School of Technology, University of Wolverhampton, Wolverhampton, UK WV1 1LY#TAB#","institution_ids":["https://openalex.org/I119664326"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5034823602","display_name":"Mike Thelwall","orcid":"https://orcid.org/0000-0001-6065-205X"},"institutions":[{"id":"https://openalex.org/I119664326","display_name":"University of Wolverhampton","ror":"https://ror.org/01k2y1055","country_code":"GB","type":"education","lineage":["https://openalex.org/I119664326"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Mike Thelwall","raw_affiliation_strings":["Statistical Cybermetrics Research Group, School of Technology, University of Wolverhampton, Wulfruna Street, Wolverhampton, WV1 1LY, UK","Statistical Cybermetrics Research Group, School of Technology, University of Wolverhampton, Wolverhampton, UK WV1 1LY#TAB#"],"affiliations":[{"raw_affiliation_string":"Statistical Cybermetrics Research Group, School of Technology, University of Wolverhampton, Wulfruna Street, Wolverhampton, WV1 1LY, UK","institution_ids":["https://openalex.org/I119664326"]},{"raw_affiliation_string":"Statistical Cybermetrics Research Group, School of Technology, University of Wolverhampton, Wolverhampton, UK WV1 1LY#TAB#","institution_ids":["https://openalex.org/I119664326"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5033989150"],"corresponding_institution_ids":["https://openalex.org/I119664326"],"apc_list":{"value":2290,"currency":"EUR","value_usd":2890},"apc_paid":null,"fwci":5.8489,"has_fulltext":false,"cited_by_count":18,"citation_normalized_percentile":{"value":0.95665397,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":91,"max":98},"biblio":{"volume":"98","issue":"2","first_page":"797","last_page":"806"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T13976","display_name":"Web visibility and informetrics","score":0.9991000294685364,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T13976","display_name":"Web visibility and informetrics","score":0.9991000294685364,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10102","display_name":"scientometrics and bibliometrics research","score":0.9957000017166138,"subfield":{"id":"https://openalex.org/subfields/1804","display_name":"Statistics, Probability and Uncertainty"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10064","display_name":"Complex Network Analysis Techniques","score":0.9286999702453613,"subfield":{"id":"https://openalex.org/subfields/3109","display_name":"Statistical and Nonlinear Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/citation","display_name":"Citation","score":0.6152817606925964},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5757158994674683},{"id":"https://openalex.org/keywords/value","display_name":"Value (mathematics)","score":0.5315454006195068},{"id":"https://openalex.org/keywords/grey-literature","display_name":"Grey literature","score":0.5179306864738464},{"id":"https://openalex.org/keywords/work","display_name":"Work (physics)","score":0.4947971701622009},{"id":"https://openalex.org/keywords/impact-factor","display_name":"Impact factor","score":0.47630178928375244},{"id":"https://openalex.org/keywords/process","display_name":"Process (computing)","score":0.4735112488269806},{"id":"https://openalex.org/keywords/citation-analysis","display_name":"Citation analysis","score":0.446990430355072},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.4041574001312256},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.39589253067970276},{"id":"https://openalex.org/keywords/data-science","display_name":"Data science","score":0.38514745235443115},{"id":"https://openalex.org/keywords/political-science","display_name":"Political science","score":0.16889747977256775},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1645379662513733}],"concepts":[{"id":"https://openalex.org/C2778805511","wikidata":"https://www.wikidata.org/wiki/Q1713","display_name":"Citation","level":2,"score":0.6152817606925964},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5757158994674683},{"id":"https://openalex.org/C2776291640","wikidata":"https://www.wikidata.org/wiki/Q2912517","display_name":"Value (mathematics)","level":2,"score":0.5315454006195068},{"id":"https://openalex.org/C61904560","wikidata":"https://www.wikidata.org/wiki/Q1148359","display_name":"Grey literature","level":3,"score":0.5179306864738464},{"id":"https://openalex.org/C18762648","wikidata":"https://www.wikidata.org/wiki/Q42213","display_name":"Work (physics)","level":2,"score":0.4947971701622009},{"id":"https://openalex.org/C2779455604","wikidata":"https://www.wikidata.org/wiki/Q5330","display_name":"Impact factor","level":2,"score":0.47630178928375244},{"id":"https://openalex.org/C98045186","wikidata":"https://www.wikidata.org/wiki/Q205663","display_name":"Process (computing)","level":2,"score":0.4735112488269806},{"id":"https://openalex.org/C105345328","wikidata":"https://www.wikidata.org/wiki/Q206276","display_name":"Citation analysis","level":3,"score":0.446990430355072},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.4041574001312256},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.39589253067970276},{"id":"https://openalex.org/C2522767166","wikidata":"https://www.wikidata.org/wiki/Q2374463","display_name":"Data science","level":1,"score":0.38514745235443115},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.16889747977256775},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1645379662513733},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.0},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.0},{"id":"https://openalex.org/C2779473830","wikidata":"https://www.wikidata.org/wiki/Q1540899","display_name":"MEDLINE","level":2,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1007/s11192-013-1068-7","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s11192-013-1068-7","pdf_url":null,"source":{"id":"https://openalex.org/S148561398","display_name":"Scientometrics","issn_l":"0138-9130","issn":["0138-9130","1588-2861"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320108","host_organization_name":"Springer Nature (Netherlands)","host_organization_lineage":["https://openalex.org/P4310320108","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Nature (Netherlands)","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Scientometrics","raw_type":"journal-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.308.8224","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.308.8224","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.scit.wlv.ac.uk/~cm1993/papers/SubstanceWithoutCitationPreprint.pdf","raw_type":"text"},{"id":"pmh:oai:RePEc:spr:scient:v:98:y:2014:i:2:d:10.1007_s11192-013-1068-7","is_oa":false,"landing_page_url":"http://link.springer.com/10.1007/s11192-013-1068-7","pdf_url":null,"source":{"id":"https://openalex.org/S4306401271","display_name":"RePEc: Research Papers in Economics","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I77793887","host_organization_name":"Federal Reserve Bank of St. Louis","host_organization_lineage":["https://openalex.org/I77793887"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320311722","display_name":"University of Wolverhampton","ror":"https://ror.org/01k2y1055"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":34,"referenced_works":["https://openalex.org/W13895634","https://openalex.org/W157126031","https://openalex.org/W187070286","https://openalex.org/W1038774319","https://openalex.org/W1546460521","https://openalex.org/W1568955415","https://openalex.org/W1979116104","https://openalex.org/W1985786390","https://openalex.org/W1985883274","https://openalex.org/W1986322041","https://openalex.org/W1991000878","https://openalex.org/W1999348570","https://openalex.org/W2008911773","https://openalex.org/W2016270341","https://openalex.org/W2037933327","https://openalex.org/W2039439167","https://openalex.org/W2049489677","https://openalex.org/W2058017022","https://openalex.org/W2073002952","https://openalex.org/W2095271263","https://openalex.org/W2105326496","https://openalex.org/W2107972503","https://openalex.org/W2128349488","https://openalex.org/W2169598467","https://openalex.org/W2601270582","https://openalex.org/W2741642871","https://openalex.org/W3140860877","https://openalex.org/W4233744313","https://openalex.org/W4250708312","https://openalex.org/W4285719527","https://openalex.org/W4299419711","https://openalex.org/W6620936011","https://openalex.org/W6634134659","https://openalex.org/W6693860908"],"related_works":["https://openalex.org/W1977987445","https://openalex.org/W1872650106","https://openalex.org/W1911705068","https://openalex.org/W2525353023","https://openalex.org/W1999013134","https://openalex.org/W2208338993","https://openalex.org/W1783624423","https://openalex.org/W2753916737","https://openalex.org/W2021444970","https://openalex.org/W2114931458"],"abstract_inverted_index":null,"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":4},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":5}],"updated_date":"2026-04-05T17:49:38.594831","created_date":"2025-10-10T00:00:00"}