{"id":"https://openalex.org/W2609225061","doi":"https://doi.org/10.4230/lipics.icalp.2017.42","title":"Decremental Data Structures for Connectivity and Dominators in Directed Graphs","display_name":"Decremental Data Structures for Connectivity and Dominators in Directed Graphs","publication_year":2017,"publication_date":"2017-01-01","ids":{"openalex":"https://openalex.org/W2609225061","doi":"https://doi.org/10.4230/lipics.icalp.2017.42","mag":"2609225061"},"language":"en","primary_location":{"id":"pmh:oai:drops-oai.dagstuhl.de:7445","is_oa":true,"landing_page_url":"https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.ICALP.2017.42","pdf_url":null,"source":{"id":"https://openalex.org/S4377196569","display_name":"DROPS (Schloss Dagstuhl \u2013 Leibniz Center for Informatics)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I2799853480","host_organization_name":"Schloss Dagstuhl \u2013 Leibniz Center for Informatics","host_organization_lineage":["https://openalex.org/I2799853480"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"","raw_type":"InProceedings"},"type":"article","indexed_in":["arxiv","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.ICALP.2017.42","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5024478433","display_name":"Loukas Georgiadis","orcid":"https://orcid.org/0000-0002-9706-7409"},"institutions":[{"id":"https://openalex.org/I194019607","display_name":"University of Ioannina","ror":"https://ror.org/01qg3j183","country_code":"GR","type":"education","lineage":["https://openalex.org/I194019607"]}],"countries":["GR"],"is_corresponding":true,"raw_author_name":"Georgiadis, Loukas","raw_affiliation_strings":["University of Ioannina"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Ioannina","institution_ids":["https://openalex.org/I194019607"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5049011416","display_name":"Thomas Dueholm Hansen","orcid":null},"institutions":[{"id":"https://openalex.org/I204337017","display_name":"Aarhus University","ror":"https://ror.org/01aj84f44","country_code":"DK","type":"education","lineage":["https://openalex.org/I204337017"]}],"countries":["DK"],"is_corresponding":false,"raw_author_name":"Dueholm Hansen, Thomas","raw_affiliation_strings":["Aarhus university;"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Aarhus university;","institution_ids":["https://openalex.org/I204337017"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5086186456","display_name":"Giuseppe F. Italiano","orcid":"https://orcid.org/0000-0002-9492-9894"},"institutions":[{"id":"https://openalex.org/I116067653","display_name":"University of Rome Tor Vergata","ror":"https://ror.org/02p77k626","country_code":"IT","type":"education","lineage":["https://openalex.org/I116067653"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Italiano, Giuseppe F.","raw_affiliation_strings":["University of Rome Tor Vergata"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Rome Tor Vergata","institution_ids":["https://openalex.org/I116067653"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5053481668","display_name":"Sebastian Forster","orcid":"https://orcid.org/0000-0002-2191-3381"},"institutions":[{"id":"https://openalex.org/I129774422","display_name":"University of Vienna","ror":"https://ror.org/03prydq77","country_code":"AT","type":"education","lineage":["https://openalex.org/I129774422"]}],"countries":["AT"],"is_corresponding":false,"raw_author_name":"Krinninger, Sebastian","raw_affiliation_strings":["Univ of Vienna"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Univ of Vienna","institution_ids":["https://openalex.org/I129774422"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5062582508","display_name":"Nikos Parotsidis","orcid":"https://orcid.org/0000-0003-3888-7391"},"institutions":[{"id":"https://openalex.org/I116067653","display_name":"University of Rome Tor Vergata","ror":"https://ror.org/02p77k626","country_code":"IT","type":"education","lineage":["https://openalex.org/I116067653"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Parotsidis, Nikos","raw_affiliation_strings":["University of Rome Tor Vergata"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Rome Tor Vergata","institution_ids":["https://openalex.org/I116067653"]}]}],"institutions":[],"countries_distinct_count":4,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5024478433"],"corresponding_institution_ids":["https://openalex.org/I194019607"],"apc_list":null,"apc_paid":null,"fwci":0.6586,"has_fulltext":true,"cited_by_count":3,"citation_normalized_percentile":{"value":0.72414351,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":96,"max":97},"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10772","display_name":"Distributed systems and fault tolerance","score":0.9987999796867371,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/T10772","display_name":"Distributed systems and fault tolerance","score":0.9987999796867371,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/T10317","display_name":"Advanced Database Systems and Queries","score":0.9983999729156494,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/T11010","display_name":"Logic, Reasoning, and Knowledge","score":0.9944999814033508,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/computer-science","display_name":"Computer science","score":0.5726394653320312},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.34764808416366577}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5726394653320312},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.34764808416366577}],"mesh":[],"locations_count":5,"locations":[{"id":"pmh:oai:drops-oai.dagstuhl.de:7445","is_oa":true,"landing_page_url":"https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.ICALP.2017.42","pdf_url":null,"source":{"id":"https://openalex.org/S4377196569","display_name":"DROPS (Schloss Dagstuhl \u2013 Leibniz Center for Informatics)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I2799853480","host_organization_name":"Schloss Dagstuhl \u2013 Leibniz Center for Informatics","host_organization_lineage":["https://openalex.org/I2799853480"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"","raw_type":"InProceedings"},{"id":"pmh:oai:arXiv.org:1704.08235","is_oa":true,"landing_page_url":"http://arxiv.org/abs/1704.08235","pdf_url":"https://arxiv.org/pdf/1704.08235","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:pure.atira.dk:publications/39ad5e97-09aa-494e-827b-a8ba1daa064d","is_oa":true,"landing_page_url":"https://pure.au.dk/portal/en/publications/39ad5e97-09aa-494e-827b-a8ba1daa064d","pdf_url":"https://pure.au.dk/ws/files/120542020/LIPIcs_ICALP_2017_42.pdf","source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Georgiadis, L, Hansen, T D, Italiano, G F, Krinninger, S & Parotsidis, N 2017, Decremental Data Structures for Connectivity and Dominators in Directed Graphs. in I Chatzigiannakis, P Indyk, F Kuhn & A Muscholl (eds), 44th International Colloquium on Automata, Languages, and Programming (ICALP 2017). vol. 80, 42, Dagstuhl Publishing, Dagstuhl, Germany, Leibniz International Proceedings in Informatics, no. 80, pp. 42:1-42:15, 44th International Colloquium on Automata, Languages, and Programming, ICALP 2017, Warsaw, Poland, 10/07/2017. https://doi.org/10.4230/LIPIcs.ICALP.2017.42","raw_type":"info:eu-repo/semantics/publishedVersion"},{"id":"pmh:oai:art.torvergata.it:2108/201108","is_oa":false,"landing_page_url":"http://hdl.handle.net/2108/201108","pdf_url":null,"source":{"id":"https://openalex.org/S4306400993","display_name":"Cineca Institutional Research Information System (Tor Vergata University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I116067653","host_organization_name":"University of Rome Tor Vergata","host_organization_lineage":["https://openalex.org/I116067653"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/conferenceObject"},{"id":"doi:10.4230/lipics.icalp.2017.42","is_oa":true,"landing_page_url":"https://doi.org/10.4230/lipics.icalp.2017.42","pdf_url":null,"source":{"id":"https://openalex.org/S7407052059","display_name":"Dagstuhl Research Online Publication Server","issn_l":null,"issn":[],"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"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":""}],"best_oa_location":{"id":"pmh:oai:drops-oai.dagstuhl.de:7445","is_oa":true,"landing_page_url":"https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.ICALP.2017.42","pdf_url":null,"source":{"id":"https://openalex.org/S4377196569","display_name":"DROPS (Schloss Dagstuhl \u2013 Leibniz Center for Informatics)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I2799853480","host_organization_name":"Schloss Dagstuhl \u2013 Leibniz Center for Informatics","host_organization_lineage":["https://openalex.org/I2799853480"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"","raw_type":"InProceedings"},"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320321873","display_name":"Ministero dell\u2019Istruzione, dell\u2019Universit\u00e0 e della Ricerca","ror":"https://ror.org/0166hxq48"},{"id":"https://openalex.org/F4320324579","display_name":"Universit\u00e0 degli Studi di Roma Tor Vergata","ror":"https://ror.org/02p77k626"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":2,"referenced_works":["https://openalex.org/W1999779266","https://openalex.org/W2049105156"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W4391913857","https://openalex.org/W2358668433","https://openalex.org/W4396701345","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W4396696052"],"abstract_inverted_index":{"We":[0,119,197,237],"introduce":[1],"a":[2,15,26,37,78,84,191,203,209,239],"new":[3],"dynamic":[4],"data":[5,39,75,123,128,177],"structure":[6,40,76,124],"for":[7,60,130,145,165,185],"maintaining":[8,186],"the":[9,46,55,104,113,137,181,187],"strongly":[10,52,159],"connected":[11,53,160],"components":[12],"(SCCs)":[13],"of":[14,29,45,63,72,80,106,134,174,190,205],"directed":[16],"graph":[17,56,193,211],"(digraph)":[18],"under":[19,194],"edge":[20,81,168,195,206],"deletions,":[21],"so":[22],"as":[23,149],"to":[24,125,254],"answer":[25],"rich":[27],"repertoire":[28],"connectivity":[30],"queries.":[31],"Our":[32,74],"main":[33],"technical":[34],"contribution":[35],"is":[36,103],"decremental":[38,127,176],"that":[41,201,243,246],"supports":[42],"sensitivity":[43],"queries":[44,115,135],"form":[47],"\"are":[48],"u":[49,155],"and":[50,96,111,140,156,219,232],"v":[51,157],"in":[54,83,89,116,161,208,212],"G":[57,69,162],"\\":[58,163],"w?\",":[59],"any":[61,109],"triple":[62],"vertices":[64,88,154],"u,":[65],"v,":[66],"w,":[67],"while":[68],"undergoes":[70],"deletions":[71,82,207],"edges.":[73],"processes":[77,202],"sequence":[79,204],"digraph":[85],"with":[86],"$n$":[87],"O(m":[90,213,233],"n":[91,214],"log":[92,98,215,221],"n)":[93,99,216,222],"total":[94,217],"time":[95,139,218],"O(n^2":[97,220],"space,":[100],"where":[101],"m":[102],"number":[105],"edges":[107],"before":[108],"deletion,":[110],"answers":[112],"above":[114],"constant":[117],"time.":[118],"can":[120],"leverage":[121],"our":[122,175],"obtain":[126],"structures":[129],"many":[131],"more":[132],"types":[133],"within":[136],"same":[138],"space":[141],"complexity.":[142],"For":[143,224],"instance":[144],"edge-related":[146],"queries,":[147],"such":[148],"testing":[150],"whether":[151],"two":[152],"query":[153,167],"are":[158],"e,":[164],"some":[166],"e.":[169],"As":[170],"another":[171],"important":[172],"application":[173],"structure,":[178],"we":[179,228],"provide":[180,229],"first":[182],"nontrivial":[183],"algorithm":[184,200],"dominator":[188],"tree":[189],"flow":[192,210,226],"deletions.":[196],"present":[198],"an":[199,230],"space.":[223],"reducible":[225],"graphs":[227],"O(mn)-time":[231],"+":[234],"n)-space":[235],"algorithm.":[236],"give":[238],"conditional":[240],"lower":[241],"bound":[242],"provides":[244],"evidence":[245],"these":[247],"running":[248],"times":[249],"may":[250],"be":[251],"tight":[252],"up":[253],"subpolynomial":[255],"factors.":[256]},"counts_by_year":[{"year":2018,"cited_by_count":3}],"updated_date":"2026-05-17T08:19:37.847499","created_date":"2017-05-05T00:00:00"}