{"id":"https://openalex.org/W4411277151","doi":"https://doi.org/10.1145/3732772.3733513","title":"Optimal Distributed Replacement Paths","display_name":"Optimal Distributed Replacement Paths","publication_year":2025,"publication_date":"2025-06-13","ids":{"openalex":"https://openalex.org/W4411277151","doi":"https://doi.org/10.1145/3732772.3733513"},"language":"en","primary_location":{"id":"doi:10.1145/3732772.3733513","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3732772.3733513","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3732772.3733513","source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the ACM Symposium on Principles of Distributed Computing","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://dl.acm.org/doi/pdf/10.1145/3732772.3733513","any_repository_has_fulltext":null},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5061847213","display_name":"Yi\u2010Jun Chang","orcid":"https://orcid.org/0000-0002-0109-2432"},"institutions":[{"id":"https://openalex.org/I165932596","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49","country_code":"SG","type":"education","lineage":["https://openalex.org/I165932596"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Yi-Jun Chang","raw_affiliation_strings":["National University of Singapore, Singapore, Singapore"],"raw_orcid":"https://orcid.org/0000-0002-0109-2432","affiliations":[{"raw_affiliation_string":"National University of Singapore, Singapore, Singapore","institution_ids":["https://openalex.org/I165932596"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Yanyu Chen","orcid":"https://orcid.org/0009-0008-8068-1649"},"institutions":[{"id":"https://openalex.org/I165932596","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49","country_code":"SG","type":"education","lineage":["https://openalex.org/I165932596"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Yanyu Chen","raw_affiliation_strings":["National University of Singapore, Singapore, Singapore"],"raw_orcid":"https://orcid.org/0009-0008-8068-1649","affiliations":[{"raw_affiliation_string":"National University of Singapore, Singapore, Singapore","institution_ids":["https://openalex.org/I165932596"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5070239198","display_name":"Dipan Dey","orcid":"https://orcid.org/0009-0001-0675-8790"},"institutions":[{"id":"https://openalex.org/I11947397","display_name":"Tata Institute of Fundamental Research","ror":"https://ror.org/03ht1xw27","country_code":"IN","type":"education","lineage":["https://openalex.org/I11947397","https://openalex.org/I2799351866","https://openalex.org/I3149292468"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Dipan Dey","raw_affiliation_strings":["Tata Institute of Fundamental Research, Mumbai, India"],"raw_orcid":"https://orcid.org/0009-0001-0675-8790","affiliations":[{"raw_affiliation_string":"Tata Institute of Fundamental Research, Mumbai, India","institution_ids":["https://openalex.org/I11947397"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5020352999","display_name":"Gopinath Mishra","orcid":"https://orcid.org/0000-0003-0540-0292"},"institutions":[{"id":"https://openalex.org/I165932596","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49","country_code":"SG","type":"education","lineage":["https://openalex.org/I165932596"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Gopinath Mishra","raw_affiliation_strings":["National University of Singapore, Singapore, Singapore"],"raw_orcid":"https://orcid.org/0000-0003-0540-0292","affiliations":[{"raw_affiliation_string":"National University of Singapore, Singapore, Singapore","institution_ids":["https://openalex.org/I165932596"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5085331055","display_name":"Hung Thuan Nguyen","orcid":"https://orcid.org/0009-0006-7993-2952"},"institutions":[{"id":"https://openalex.org/I165932596","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49","country_code":"SG","type":"education","lineage":["https://openalex.org/I165932596"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Hung Thuan Nguyen","raw_affiliation_strings":["National University of Singapore, Singapore, Singapore"],"raw_orcid":"https://orcid.org/0009-0006-7993-2952","affiliations":[{"raw_affiliation_string":"National University of Singapore, Singapore, Singapore","institution_ids":["https://openalex.org/I165932596"]}]},{"author_position":"last","author":{"id":null,"display_name":"Bryce Sanchez","orcid":"https://orcid.org/0009-0000-5807-297X"},"institutions":[{"id":"https://openalex.org/I165932596","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49","country_code":"SG","type":"education","lineage":["https://openalex.org/I165932596"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Bryce Sanchez","raw_affiliation_strings":["National University of Singapore, Singapore, Singapore"],"raw_orcid":"https://orcid.org/0009-0000-5807-297X","affiliations":[{"raw_affiliation_string":"National University of Singapore, Singapore, Singapore","institution_ids":["https://openalex.org/I165932596"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"287","last_page":"298"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12288","display_name":"Optimization and Search Problems","score":0.9995999932289124,"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/T12288","display_name":"Optimization and Search Problems","score":0.9995999932289124,"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/T10720","display_name":"Complexity and Algorithms in Graphs","score":0.9984999895095825,"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"}},{"id":"https://openalex.org/T10772","display_name":"Distributed systems and fault tolerance","score":0.9976999759674072,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.629909098148346},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.36417362093925476}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.629909098148346},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.36417362093925476}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3732772.3733513","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3732772.3733513","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3732772.3733513","source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the ACM Symposium on Principles of Distributed Computing","raw_type":"proceedings-article"}],"best_oa_location":{"id":"doi:10.1145/3732772.3733513","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3732772.3733513","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3732772.3733513","source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the ACM Symposium on Principles of Distributed Computing","raw_type":"proceedings-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1482925484","display_name":null,"funder_award_id":"Tier 1","funder_id":"https://openalex.org/F4320320751","funder_display_name":"Ministry of Education - Singapore"},{"id":"https://openalex.org/G474233737","display_name":null,"funder_award_id":"24-1323-A0001","funder_id":"https://openalex.org/F4320320751","funder_display_name":"Ministry of Education - Singapore"}],"funders":[{"id":"https://openalex.org/F4320320751","display_name":"Ministry of Education - Singapore","ror":"https://ror.org/01kcva023"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4411277151.pdf","grobid_xml":"https://content.openalex.org/works/W4411277151.grobid-xml"},"referenced_works_count":41,"referenced_works":["https://openalex.org/W1963633992","https://openalex.org/W1969916852","https://openalex.org/W1999123717","https://openalex.org/W2015819397","https://openalex.org/W2040011014","https://openalex.org/W2040273581","https://openalex.org/W2048098617","https://openalex.org/W2073094163","https://openalex.org/W2076163262","https://openalex.org/W2134729426","https://openalex.org/W2467525240","https://openalex.org/W2767763836","https://openalex.org/W2793130010","https://openalex.org/W2808782544","https://openalex.org/W2892948282","https://openalex.org/W2913509425","https://openalex.org/W2962960360","https://openalex.org/W2963245981","https://openalex.org/W2963948050","https://openalex.org/W2991878997","https://openalex.org/W3033793834","https://openalex.org/W3041120191","https://openalex.org/W3046699603","https://openalex.org/W3046727971","https://openalex.org/W3046809274","https://openalex.org/W3101974321","https://openalex.org/W3114868980","https://openalex.org/W3131132138","https://openalex.org/W3170201847","https://openalex.org/W4205300528","https://openalex.org/W4245095675","https://openalex.org/W4254874273","https://openalex.org/W4256354285","https://openalex.org/W4281651135","https://openalex.org/W4281710856","https://openalex.org/W4313227404","https://openalex.org/W4376639580","https://openalex.org/W4398207272","https://openalex.org/W4399376670","https://openalex.org/W4410553970","https://openalex.org/W6600373357"],"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],"study":[1],"the":[2,7,19,30,45,81,91,100,126,131],"replacement":[3,93],"paths":[4],"problem":[5,53],"in":[6,28,130],"CONGEST":[8],"model":[9],"of":[10,104,115,121,128],"distributed":[11],"computing.":[12],"Given":[13],"an":[14,118],"s-t":[15,133],"shortest":[16,84,134],"path":[17,85,94,135],"P,":[18,29],"goal":[20],"is":[21,125],"to":[22,35,67,80],"compute,":[23],"for":[24,51,71,90],"every":[25],"edge":[26],"e":[27],"shortest-path":[31],"distance":[32],"from":[33],"s":[34],"t":[36],"avoiding":[37],"e.":[38],"For":[39],"unweighted":[40],"directed":[41,73],"graphs,":[42],"we":[43],"establish":[44],"tight":[46],"randomized":[47],"round":[48],"complexity":[49],"bound":[50,65,77,114,120],"this":[52],"as":[54],"[EQUATION]":[55,116],"by":[56],"showing":[57],"matching":[58],"upper":[59,64,119],"and":[60,106,117],"lower":[61,76,113],"bounds.":[62],"Our":[63,75],"extends":[66],"(1":[68],"+":[69],"\u03f5)-approximation":[70],"weighted":[72],"graphs.":[74],"applies":[78],"even":[79],"second":[82],"simple":[83],"problem,":[86],"which":[87],"asks":[88],"only":[89],"smallest":[92],"length.":[95],"These":[96],"results":[97],"improve":[98],"upon":[99],"very":[101],"recent":[102],"work":[103],"Manoharan":[105],"Ramachandran":[107],"(SIROCCO":[108],"2024),":[109],"who":[110],"showed":[111],"a":[112],"[EQUATION],":[122],"where":[123],"hst":[124],"number":[127],"hops":[129],"given":[132],"P.":[136]},"counts_by_year":[],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}
