{"id":"https://openalex.org/W228589168","doi":"https://doi.org/10.1007/3-540-18088-5_42","title":"The nearest common ancestor in a dynamic tree","display_name":"The nearest common ancestor in a dynamic tree","publication_year":1987,"publication_date":"1987-01-01","ids":{"openalex":"https://openalex.org/W228589168","doi":"https://doi.org/10.1007/3-540-18088-5_42","mag":"228589168"},"language":"en","primary_location":{"id":"doi:10.1007/3-540-18088-5_42","is_oa":false,"landing_page_url":"https://doi.org/10.1007/3-540-18088-5_42","pdf_url":null,"source":{"id":"https://openalex.org/S106296714","display_name":"Lecture notes in computer science","issn_l":"0302-9743","issn":["0302-9743","1611-3349"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"book series"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Lecture Notes in Computer Science","raw_type":"book-chapter"},"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/A5104359657","display_name":"Athanasios K. Tsakalidis","orcid":null},"institutions":[{"id":"https://openalex.org/I120729142","display_name":"Research Academic Computer Technology Institute","ror":"https://ror.org/021nszj63","country_code":"GR","type":"facility","lineage":["https://openalex.org/I120729142","https://openalex.org/I4210154149"]}],"countries":["GR"],"is_corresponding":true,"raw_author_name":"Athanasios K. Tsakalidis","raw_affiliation_strings":["Computer Technology Institute, P.O. Box 1122, Patras, Greece","Computer Technology Institute, Patras, GREECE#TAB#"],"affiliations":[{"raw_affiliation_string":"Computer Technology Institute, P.O. Box 1122, Patras, Greece","institution_ids":["https://openalex.org/I120729142"]},{"raw_affiliation_string":"Computer Technology Institute, Patras, GREECE#TAB#","institution_ids":["https://openalex.org/I120729142"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5104359657"],"corresponding_institution_ids":["https://openalex.org/I120729142"],"apc_list":{"value":5000,"currency":"EUR","value_usd":5392},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.03297135,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"25","issue":"1","first_page":"37","last_page":"498"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11269","display_name":"Algorithms and Data Compression","score":0.9998999834060669,"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"}},"topics":[{"id":"https://openalex.org/T11269","display_name":"Algorithms and Data Compression","score":0.9998999834060669,"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"}},{"id":"https://openalex.org/T12029","display_name":"DNA and Biological Computing","score":0.9980000257492065,"subfield":{"id":"https://openalex.org/subfields/1312","display_name":"Molecular Biology"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T13664","display_name":"Genome Rearrangement Algorithms","score":0.9840999841690063,"subfield":{"id":"https://openalex.org/subfields/1311","display_name":"Genetics"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/ackermann-function","display_name":"Ackermann function","score":0.8816680908203125},{"id":"https://openalex.org/keywords/pointer","display_name":"Pointer (user interface)","score":0.7271667718887329},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.7054765820503235},{"id":"https://openalex.org/keywords/ancestor","display_name":"Ancestor","score":0.668237566947937},{"id":"https://openalex.org/keywords/tree","display_name":"Tree (set theory)","score":0.537207841873169},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.483980655670166},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4568723738193512},{"id":"https://openalex.org/keywords/data-structure","display_name":"Data structure","score":0.4451613426208496},{"id":"https://openalex.org/keywords/linear-space","display_name":"Linear space","score":0.421896755695343},{"id":"https://openalex.org/keywords/k-ary-tree","display_name":"K-ary tree","score":0.4178580641746521},{"id":"https://openalex.org/keywords/node","display_name":"Node (physics)","score":0.4128357172012329},{"id":"https://openalex.org/keywords/inverse","display_name":"Inverse","score":0.4043004810810089},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.36450666189193726},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.3526379466056824},{"id":"https://openalex.org/keywords/tree-structure","display_name":"Tree structure","score":0.20408865809440613},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.1542852520942688},{"id":"https://openalex.org/keywords/binary-tree","display_name":"Binary tree","score":0.14005011320114136},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.08448871970176697},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.0657757818698883}],"concepts":[{"id":"https://openalex.org/C33436860","wikidata":"https://www.wikidata.org/wiki/Q341835","display_name":"Ackermann function","level":3,"score":0.8816680908203125},{"id":"https://openalex.org/C150202949","wikidata":"https://www.wikidata.org/wiki/Q107602","display_name":"Pointer (user interface)","level":2,"score":0.7271667718887329},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.7054765820503235},{"id":"https://openalex.org/C2780422015","wikidata":"https://www.wikidata.org/wiki/Q402152","display_name":"Ancestor","level":2,"score":0.668237566947937},{"id":"https://openalex.org/C113174947","wikidata":"https://www.wikidata.org/wiki/Q2859736","display_name":"Tree (set theory)","level":2,"score":0.537207841873169},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.483980655670166},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4568723738193512},{"id":"https://openalex.org/C162319229","wikidata":"https://www.wikidata.org/wiki/Q175263","display_name":"Data structure","level":2,"score":0.4451613426208496},{"id":"https://openalex.org/C176370821","wikidata":"https://www.wikidata.org/wiki/Q1826459","display_name":"Linear space","level":2,"score":0.421896755695343},{"id":"https://openalex.org/C100560664","wikidata":"https://www.wikidata.org/wiki/Q3608019","display_name":"K-ary tree","level":4,"score":0.4178580641746521},{"id":"https://openalex.org/C62611344","wikidata":"https://www.wikidata.org/wiki/Q1062658","display_name":"Node (physics)","level":2,"score":0.4128357172012329},{"id":"https://openalex.org/C207467116","wikidata":"https://www.wikidata.org/wiki/Q4385666","display_name":"Inverse","level":2,"score":0.4043004810810089},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.36450666189193726},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.3526379466056824},{"id":"https://openalex.org/C163797641","wikidata":"https://www.wikidata.org/wiki/Q2067937","display_name":"Tree structure","level":3,"score":0.20408865809440613},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.1542852520942688},{"id":"https://openalex.org/C197855036","wikidata":"https://www.wikidata.org/wiki/Q380172","display_name":"Binary tree","level":2,"score":0.14005011320114136},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.08448871970176697},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0657757818698883},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C95457728","wikidata":"https://www.wikidata.org/wiki/Q309","display_name":"History","level":0,"score":0.0},{"id":"https://openalex.org/C166957645","wikidata":"https://www.wikidata.org/wiki/Q23498","display_name":"Archaeology","level":1,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.1007/3-540-18088-5_42","is_oa":false,"landing_page_url":"https://doi.org/10.1007/3-540-18088-5_42","pdf_url":null,"source":{"id":"https://openalex.org/S106296714","display_name":"Lecture notes in computer science","issn_l":"0302-9743","issn":["0302-9743","1611-3349"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"book series"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Lecture Notes in Computer Science","raw_type":"book-chapter"},{"id":"doi:10.1007/bf00268844","is_oa":false,"landing_page_url":"https://doi.org/10.1007/bf00268844","pdf_url":null,"source":{"id":"https://openalex.org/S84409463","display_name":"Acta Informatica","issn_l":"0001-5903","issn":["0001-5903","1432-0525"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Acta Informatica","raw_type":"journal-article"},{"id":"doi:10.1007/bf02737097","is_oa":false,"landing_page_url":"https://doi.org/10.1007/bf02737097","pdf_url":null,"source":{"id":"https://openalex.org/S84409463","display_name":"Acta Informatica","issn_l":"0001-5903","issn":["0001-5903","1432-0525"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Acta Informatica","raw_type":"journal-article"},{"id":"mag:228589168","is_oa":false,"landing_page_url":"https://dblp.uni-trier.de/db/journals/eatcs/eatcs26.html#Tsakalidis85","pdf_url":null,"source":{"id":"https://openalex.org/S109144305","display_name":"Bulletin of the European Association for Theoretical Computer Science","issn_l":"0252-9742","issn":["0252-9742"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310321815","host_organization_name":"European Association for Theoretical Computer Science","host_organization_lineage":["https://openalex.org/P4310321815"],"host_organization_lineage_names":["European Association for Theoretical Computer Science"],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":"Bulletin of the European Association for Theoretical Computer Science","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/10","score":0.41999998688697815,"display_name":"Reduced inequalities"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":9,"referenced_works":["https://openalex.org/W1984271780","https://openalex.org/W1985183081","https://openalex.org/W1986261983","https://openalex.org/W2004116976","https://openalex.org/W2011999472","https://openalex.org/W2018804864","https://openalex.org/W2044146725","https://openalex.org/W2788695972","https://openalex.org/W6637190722"],"related_works":["https://openalex.org/W2531053806","https://openalex.org/W2951410557","https://openalex.org/W20754198","https://openalex.org/W1498560516","https://openalex.org/W2197681989","https://openalex.org/W1980827997","https://openalex.org/W1984570480","https://openalex.org/W2618078173","https://openalex.org/W2978544150","https://openalex.org/W2069418691","https://openalex.org/W2054420170","https://openalex.org/W3184530364","https://openalex.org/W1627753597","https://openalex.org/W2121422801","https://openalex.org/W2373493542","https://openalex.org/W2222334279","https://openalex.org/W3116484015","https://openalex.org/W3101808853","https://openalex.org/W2028431563","https://openalex.org/W2551688242"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
