{"id":"https://openalex.org/W2338646545","doi":"https://doi.org/10.1162/qss_a_00093","title":"<i>h</i>-Index manipulation by undoing merges","display_name":"<i>h</i>-Index manipulation by undoing merges","publication_year":2020,"publication_date":"2020-12-01","ids":{"openalex":"https://openalex.org/W2338646545","doi":"https://doi.org/10.1162/qss_a_00093","mag":"2338646545"},"language":"en","primary_location":{"id":"doi:10.1162/qss_a_00093","is_oa":true,"landing_page_url":"https://doi.org/10.1162/qss_a_00093","pdf_url":"https://direct.mit.edu/qss/article-pdf/1/4/1529/1871038/qss_a_00093.pdf","source":{"id":"https://openalex.org/S4210195326","display_name":"Quantitative Science Studies","issn_l":"2641-3337","issn":["2641-3337"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310315718","host_organization_name":"The MIT Press","host_organization_lineage":["https://openalex.org/P4310315718"],"host_organization_lineage_names":["The MIT Press"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Quantitative Science Studies","raw_type":"journal-article"},"type":"article","indexed_in":["arxiv","crossref","datacite","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://direct.mit.edu/qss/article-pdf/1/4/1529/1871038/qss_a_00093.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5032847497","display_name":"Ren\u00e9 van Bevern","orcid":"https://orcid.org/0000-0002-4805-218X"},"institutions":[{"id":"https://openalex.org/I188973947","display_name":"Novosibirsk State University","ror":"https://ror.org/04t2ss102","country_code":"RU","type":"education","lineage":["https://openalex.org/I188973947"]}],"countries":["RU"],"is_corresponding":true,"raw_author_name":"Ren\u00e9 van Bevern","raw_affiliation_strings":["Department of Mechanics and Mathematics, Novosibirsk State University, Novosibirsk, Russian Federation"],"raw_orcid":"https://orcid.org/0000-0002-4805-218X","affiliations":[{"raw_affiliation_string":"Department of Mechanics and Mathematics, Novosibirsk State University, Novosibirsk, Russian Federation","institution_ids":["https://openalex.org/I188973947"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5087168202","display_name":"Christian Komusiewicz","orcid":"https://orcid.org/0000-0003-0829-7032"},"institutions":[{"id":"https://openalex.org/I161103922","display_name":"Philipps University of Marburg","ror":"https://ror.org/01rdrb571","country_code":"DE","type":"education","lineage":["https://openalex.org/I161103922"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Christian Komusiewicz","raw_affiliation_strings":["Fachbereich Mathematik und Informatik, Philipps-Universit\u00e4t Marburg, Marburg, Germany"],"raw_orcid":"https://orcid.org/0000-0003-0829-7032","affiliations":[{"raw_affiliation_string":"Fachbereich Mathematik und Informatik, Philipps-Universit\u00e4t Marburg, Marburg, Germany","institution_ids":["https://openalex.org/I161103922"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102795134","display_name":"Hendrik Molter","orcid":"https://orcid.org/0000-0002-4590-798X"},"institutions":[{"id":"https://openalex.org/I4577782","display_name":"Technische Universit\u00e4t Berlin","ror":"https://ror.org/03v4gjf40","country_code":"DE","type":"education","lineage":["https://openalex.org/I4577782"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Hendrik Molter","raw_affiliation_strings":["Algorithmics and Computational Complexity, Fakult\u00e4t IV, TU Berlin, Germany"],"raw_orcid":"https://orcid.org/0000-0002-4590-798X","affiliations":[{"raw_affiliation_string":"Algorithmics and Computational Complexity, Fakult\u00e4t IV, TU Berlin, Germany","institution_ids":["https://openalex.org/I4577782"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5033021388","display_name":"Rolf Niedermeier","orcid":null},"institutions":[{"id":"https://openalex.org/I4577782","display_name":"Technische Universit\u00e4t Berlin","ror":"https://ror.org/03v4gjf40","country_code":"DE","type":"education","lineage":["https://openalex.org/I4577782"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Rolf Niedermeier","raw_affiliation_strings":["Algorithmics and Computational Complexity, Fakult\u00e4t IV, TU Berlin, Germany"],"raw_orcid":"https://orcid.org/0000-0003-1703-1236","affiliations":[{"raw_affiliation_string":"Algorithmics and Computational Complexity, Fakult\u00e4t IV, TU Berlin, Germany","institution_ids":["https://openalex.org/I4577782"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5033440939","display_name":"Manuel Sorge","orcid":"https://orcid.org/0000-0001-7394-3147"},"institutions":[{"id":"https://openalex.org/I4654613","display_name":"University of Warsaw","ror":"https://ror.org/039bjqg32","country_code":"PL","type":"education","lineage":["https://openalex.org/I4654613"]}],"countries":["PL"],"is_corresponding":false,"raw_author_name":"Manuel Sorge","raw_affiliation_strings":["Institute of Informatics, University of Warsaw, Poland"],"raw_orcid":"https://orcid.org/0000-0001-7394-3147","affiliations":[{"raw_affiliation_string":"Institute of Informatics, University of Warsaw, Poland","institution_ids":["https://openalex.org/I4654613"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5072902302","display_name":"Toby Walsh","orcid":"https://orcid.org/0000-0003-2998-8668"},"institutions":[{"id":"https://openalex.org/I4577782","display_name":"Technische Universit\u00e4t Berlin","ror":"https://ror.org/03v4gjf40","country_code":"DE","type":"education","lineage":["https://openalex.org/I4577782"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Toby Walsh","raw_affiliation_strings":["Algorithmics and Computational Complexity, Fakult\u00e4t IV, TU Berlin, Germany"],"raw_orcid":"https://orcid.org/0000-0003-2998-8668","affiliations":[{"raw_affiliation_string":"Algorithmics and Computational Complexity, Fakult\u00e4t IV, TU Berlin, Germany","institution_ids":["https://openalex.org/I4577782"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5032847497"],"corresponding_institution_ids":["https://openalex.org/I188973947"],"apc_list":{"value":800,"currency":"USD","value_usd":800},"apc_paid":{"value":800,"currency":"USD","value_usd":800},"fwci":0.3039,"has_fulltext":false,"cited_by_count":6,"citation_normalized_percentile":{"value":0.50681803,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"1","issue":"4","first_page":"1529","last_page":"1552"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11106","display_name":"Data Management and Algorithms","score":0.9951000213623047,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/T11106","display_name":"Data Management and Algorithms","score":0.9951000213623047,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/T10538","display_name":"Data Mining Algorithms and Applications","score":0.9929999709129333,"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/T12002","display_name":"Computability, Logic, AI Algorithms","score":0.9919000267982483,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/undoing","display_name":"Undoing","score":0.9506016373634338},{"id":"https://openalex.org/keywords/parameterized-complexity","display_name":"Parameterized complexity","score":0.8749955892562866},{"id":"https://openalex.org/keywords/merge","display_name":"Merge (version control)","score":0.8299826383590698},{"id":"https://openalex.org/keywords/index","display_name":"Index (typography)","score":0.7796459197998047},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6273886561393738},{"id":"https://openalex.org/keywords/econometrics","display_name":"Econometrics","score":0.37266215682029724},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3368455767631531},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.33447545766830444},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2605549991130829},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.1407468020915985},{"id":"https://openalex.org/keywords/psychology","display_name":"Psychology","score":0.11000904440879822}],"concepts":[{"id":"https://openalex.org/C2780492140","wikidata":"https://www.wikidata.org/wiki/Q4066779","display_name":"Undoing","level":2,"score":0.9506016373634338},{"id":"https://openalex.org/C165464430","wikidata":"https://www.wikidata.org/wiki/Q1570441","display_name":"Parameterized complexity","level":2,"score":0.8749955892562866},{"id":"https://openalex.org/C197129107","wikidata":"https://www.wikidata.org/wiki/Q1921621","display_name":"Merge (version control)","level":2,"score":0.8299826383590698},{"id":"https://openalex.org/C2777382242","wikidata":"https://www.wikidata.org/wiki/Q6017816","display_name":"Index (typography)","level":2,"score":0.7796459197998047},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6273886561393738},{"id":"https://openalex.org/C149782125","wikidata":"https://www.wikidata.org/wiki/Q160039","display_name":"Econometrics","level":1,"score":0.37266215682029724},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3368455767631531},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.33447545766830444},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2605549991130829},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.1407468020915985},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.11000904440879822},{"id":"https://openalex.org/C542102704","wikidata":"https://www.wikidata.org/wiki/Q183257","display_name":"Psychotherapist","level":1,"score":0.0}],"mesh":[],"locations_count":5,"locations":[{"id":"doi:10.1162/qss_a_00093","is_oa":true,"landing_page_url":"https://doi.org/10.1162/qss_a_00093","pdf_url":"https://direct.mit.edu/qss/article-pdf/1/4/1529/1871038/qss_a_00093.pdf","source":{"id":"https://openalex.org/S4210195326","display_name":"Quantitative Science Studies","issn_l":"2641-3337","issn":["2641-3337"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310315718","host_organization_name":"The MIT Press","host_organization_lineage":["https://openalex.org/P4310315718"],"host_organization_lineage_names":["The MIT Press"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Quantitative Science Studies","raw_type":"journal-article"},{"id":"pmh:oai:arXiv.org:1604.04827","is_oa":true,"landing_page_url":"http://arxiv.org/abs/1604.04827","pdf_url":"https://arxiv.org/pdf/1604.04827","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"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":"text"},{"id":"pmh:oai:doaj.org/article:ec6f063c60f54bd585fb23d80ed1ea60","is_oa":true,"landing_page_url":"https://doaj.org/article/ec6f063c60f54bd585fb23d80ed1ea60","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Quantitative Science Studies, Vol 1, Iss 4, Pp 1529-1552 (2020)","raw_type":"article"},{"id":"pmh:oai:figshare.com:article/13521758","is_oa":true,"landing_page_url":"https://figshare.com/articles/poster/H-index_manipulation_by_undoing_merges/13521758","pdf_url":null,"source":{"id":"https://openalex.org/S4377196282","display_name":"Figshare","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210132348","host_organization_name":"Figshare (United Kingdom)","host_organization_lineage":["https://openalex.org/I4210132348"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Image"},{"id":"doi:10.6084/m9.figshare.13521758.v1","is_oa":true,"landing_page_url":"https://doi.org/10.6084/m9.figshare.13521758.v1","pdf_url":null,"source":{"id":"https://openalex.org/S4377196282","display_name":"Figshare","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210132348","host_organization_name":"Figshare (United Kingdom)","host_organization_lineage":["https://openalex.org/I4210132348"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"graphic"}],"best_oa_location":{"id":"doi:10.1162/qss_a_00093","is_oa":true,"landing_page_url":"https://doi.org/10.1162/qss_a_00093","pdf_url":"https://direct.mit.edu/qss/article-pdf/1/4/1529/1871038/qss_a_00093.pdf","source":{"id":"https://openalex.org/S4210195326","display_name":"Quantitative Science Studies","issn_l":"2641-3337","issn":["2641-3337"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310315718","host_organization_name":"The MIT Press","host_organization_lineage":["https://openalex.org/P4310315718"],"host_organization_lineage_names":["The MIT Press"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Quantitative Science Studies","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1433879121","display_name":null,"funder_award_id":"FP7/2007-2013","funder_id":"https://openalex.org/F4320338368","funder_display_name":"FP7 People: Marie-Curie Actions"},{"id":"https://openalex.org/G2113263842","display_name":null,"funder_award_id":"551145/14","funder_id":"https://openalex.org/F4320322252","funder_display_name":"Israel Science Foundation"},{"id":"https://openalex.org/G3728691977","display_name":null,"funder_award_id":"NI 369/12, NI 369/17","funder_id":"https://openalex.org/F4320320879","funder_display_name":"Deutsche Forschungsgemeinschaft"},{"id":"https://openalex.org/G8010694308","display_name":null,"funder_award_id":"670077, 714704","funder_id":"https://openalex.org/F4320338335","funder_display_name":"H2020 European Research Council"}],"funders":[{"id":"https://openalex.org/F4320320879","display_name":"Deutsche Forschungsgemeinschaft","ror":"https://ror.org/018mejw64"},{"id":"https://openalex.org/F4320322252","display_name":"Israel Science Foundation","ror":"https://ror.org/04sazxf24"},{"id":"https://openalex.org/F4320338335","display_name":"H2020 European Research Council","ror":"https://ror.org/0472cxd90"},{"id":"https://openalex.org/F4320338368","display_name":"FP7 People: Marie-Curie Actions","ror":"https://ror.org/00k4n6c32"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2338646545.pdf","grobid_xml":"https://content.openalex.org/works/W2338646545.grobid-xml"},"referenced_works_count":26,"referenced_works":["https://openalex.org/W1517036688","https://openalex.org/W1531592115","https://openalex.org/W1547304362","https://openalex.org/W1570425181","https://openalex.org/W1868433898","https://openalex.org/W1941137907","https://openalex.org/W2005706022","https://openalex.org/W2025738350","https://openalex.org/W2054854806","https://openalex.org/W2063525042","https://openalex.org/W2077395597","https://openalex.org/W2089247135","https://openalex.org/W2116087731","https://openalex.org/W2127361744","https://openalex.org/W2128438887","https://openalex.org/W2151568674","https://openalex.org/W2171945484","https://openalex.org/W2294587950","https://openalex.org/W2340985688","https://openalex.org/W2512411127","https://openalex.org/W2602813837","https://openalex.org/W2914414140","https://openalex.org/W2963232628","https://openalex.org/W2963643677","https://openalex.org/W4229606576","https://openalex.org/W4312092243"],"related_works":["https://openalex.org/W2937048721","https://openalex.org/W2617169876","https://openalex.org/W4379381573","https://openalex.org/W4213125111","https://openalex.org/W2999368478","https://openalex.org/W4212944955","https://openalex.org/W4381936526","https://openalex.org/W2497152293","https://openalex.org/W2744974022","https://openalex.org/W1928755368"],"abstract_inverted_index":{"The":[0],"h-index":[1,43,86],"is":[2,57],"an":[3],"important":[4],"bibliographic":[5],"measure":[6],"used":[7],"to":[8,50,59,71],"assess":[9],"the":[10,39,42,85],"performance":[11],"of":[12,19,41,84],"researchers.":[13],"Dutiful":[14],"researchers":[15],"merge":[16],"different":[17],"versions":[18],"their":[20,23,32],"articles":[21,90],"in":[22],"Google":[24],"Scholar":[25],"profile":[26],"even":[27],"though":[28],"this":[29,35],"can":[30],"decrease":[31],"h-index.":[33],"In":[34,48],"article,":[36],"we":[37],"study":[38],"manipulation":[40,51,56],"by":[44,52,87],"undoing":[45],"such":[46,55],"merges.":[47],"contrast":[49],"merging":[53],"articles,":[54],"harder":[58],"detect.":[60],"We":[61],"present":[62],"numerous":[63],"results":[64],"on":[65],"computational":[66,73],"complexity":[67],"(from":[68],"linear-time":[69],"algorithms":[70],"parameterized":[72],"hardness":[74],"results)":[75],"and":[76],"empirically":[77],"indicate":[78],"that":[79],"at":[80],"least":[81],"small":[82],"improvements":[83],"splitting":[88],"merged":[89],"are":[91],"unfortunately":[92],"easily":[93],"achievable.":[94]},"counts_by_year":[{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":1}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}
