{"id":"https://openalex.org/W2139289843","doi":"https://doi.org/10.1145/2071368.2071375","title":"Reachability Problems in Piecewise FIFO Systems","display_name":"Reachability Problems in Piecewise FIFO Systems","publication_year":2012,"publication_date":"2012-01-01","ids":{"openalex":"https://openalex.org/W2139289843","doi":"https://doi.org/10.1145/2071368.2071375","mag":"2139289843"},"language":"en","primary_location":{"id":"doi:10.1145/2071368.2071375","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2071368.2071375","pdf_url":null,"source":{"id":"https://openalex.org/S117153874","display_name":"ACM Transactions on Computational Logic","issn_l":"1529-3785","issn":["1529-3785","1557-945X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on Computational Logic","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/A5010855012","display_name":"Naghmeh Ghafari","orcid":null},"institutions":[{"id":"https://openalex.org/I4210148369","display_name":"Critical Systems Labs","ror":"https://ror.org/04h4j7e88","country_code":"CA","type":"company","lineage":["https://openalex.org/I4210148369"]}],"countries":["CA"],"is_corresponding":true,"raw_author_name":"Naghmeh Ghafari","raw_affiliation_strings":["Critical Systems Labs"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Critical Systems Labs","institution_ids":["https://openalex.org/I4210148369"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5046834577","display_name":"Arie Gurfinkel","orcid":"https://orcid.org/0000-0002-5964-6792"},"institutions":[{"id":"https://openalex.org/I74973139","display_name":"Carnegie Mellon University","ror":"https://ror.org/05x2bcf33","country_code":"US","type":"education","lineage":["https://openalex.org/I74973139"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Arie Gurfinkel","raw_affiliation_strings":["Carnegie Mellon University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Carnegie Mellon University","institution_ids":["https://openalex.org/I74973139"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5083488023","display_name":"Nils Klarlund","orcid":null},"institutions":[{"id":"https://openalex.org/I1291425158","display_name":"Google (United States)","ror":"https://ror.org/00njsd438","country_code":"US","type":"company","lineage":["https://openalex.org/I1291425158","https://openalex.org/I4210128969"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Nils Klarlund","raw_affiliation_strings":["Google Inc","GOOGLE INC "],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Google Inc","institution_ids":["https://openalex.org/I1291425158"]},{"raw_affiliation_string":"GOOGLE INC ","institution_ids":["https://openalex.org/I1291425158"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5045700824","display_name":"Richard Trefler","orcid":"https://orcid.org/0009-0007-4235-9328"},"institutions":[{"id":"https://openalex.org/I151746483","display_name":"University of Waterloo","ror":"https://ror.org/01aff2v68","country_code":"CA","type":"education","lineage":["https://openalex.org/I151746483"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Richard Trefler","raw_affiliation_strings":["University of Waterloo","(University of Waterloo)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Waterloo","institution_ids":["https://openalex.org/I151746483"]},{"raw_affiliation_string":"(University of Waterloo)","institution_ids":["https://openalex.org/I151746483"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5010855012"],"corresponding_institution_ids":["https://openalex.org/I4210148369"],"apc_list":null,"apc_paid":null,"fwci":0.6912,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.73496008,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"13","issue":"1","first_page":"1","last_page":"33"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10142","display_name":"Formal Methods in Verification","score":0.9998999834060669,"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"}},"topics":[{"id":"https://openalex.org/T10142","display_name":"Formal Methods in Verification","score":0.9998999834060669,"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/T11125","display_name":"Petri Nets in System Modeling","score":0.9991999864578247,"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/T11567","display_name":"semigroups and automata theory","score":0.9988999962806702,"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/fifo","display_name":"FIFO (computing and electronics)","score":0.7741149663925171},{"id":"https://openalex.org/keywords/piecewise","display_name":"Piecewise","score":0.7686589360237122},{"id":"https://openalex.org/keywords/reachability","display_name":"Reachability","score":0.7457675933837891},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6503267288208008},{"id":"https://openalex.org/keywords/limit","display_name":"Limit (mathematics)","score":0.6432106494903564},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5969889760017395},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.45387688279151917},{"id":"https://openalex.org/keywords/regular-language","display_name":"Regular language","score":0.44469383358955383},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4219546616077423},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.4168365001678467},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.32126283645629883},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.10038408637046814},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.08833476901054382}],"concepts":[{"id":"https://openalex.org/C2777145635","wikidata":"https://www.wikidata.org/wiki/Q515636","display_name":"FIFO (computing and electronics)","level":2,"score":0.7741149663925171},{"id":"https://openalex.org/C164660894","wikidata":"https://www.wikidata.org/wiki/Q2037833","display_name":"Piecewise","level":2,"score":0.7686589360237122},{"id":"https://openalex.org/C136643341","wikidata":"https://www.wikidata.org/wiki/Q1361526","display_name":"Reachability","level":2,"score":0.7457675933837891},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6503267288208008},{"id":"https://openalex.org/C151201525","wikidata":"https://www.wikidata.org/wiki/Q177239","display_name":"Limit (mathematics)","level":2,"score":0.6432106494903564},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5969889760017395},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.45387688279151917},{"id":"https://openalex.org/C52370388","wikidata":"https://www.wikidata.org/wiki/Q752532","display_name":"Regular language","level":3,"score":0.44469383358955383},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4219546616077423},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.4168365001678467},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.32126283645629883},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.10038408637046814},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.08833476901054382},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C112505250","wikidata":"https://www.wikidata.org/wiki/Q787116","display_name":"Automaton","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/2071368.2071375","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2071368.2071375","pdf_url":null,"source":{"id":"https://openalex.org/S117153874","display_name":"ACM Transactions on Computational Logic","issn_l":"1529-3785","issn":["1529-3785","1557-945X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on Computational Logic","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":29,"referenced_works":["https://openalex.org/W119281156","https://openalex.org/W175873250","https://openalex.org/W1239375374","https://openalex.org/W1480673006","https://openalex.org/W1500724058","https://openalex.org/W1513444661","https://openalex.org/W1532970407","https://openalex.org/W1536744902","https://openalex.org/W1550523972","https://openalex.org/W1731318210","https://openalex.org/W1861590051","https://openalex.org/W1971042690","https://openalex.org/W1980727005","https://openalex.org/W1985925577","https://openalex.org/W2025713304","https://openalex.org/W2025970201","https://openalex.org/W2076508310","https://openalex.org/W2081443805","https://openalex.org/W2110697379","https://openalex.org/W2110917011","https://openalex.org/W2123160677","https://openalex.org/W2128521545","https://openalex.org/W2145142318","https://openalex.org/W2150197454","https://openalex.org/W2155890429","https://openalex.org/W2156817008","https://openalex.org/W2162509893","https://openalex.org/W2913383557","https://openalex.org/W6758617378"],"related_works":["https://openalex.org/W2527713944","https://openalex.org/W4306178094","https://openalex.org/W1860917939","https://openalex.org/W2177338336","https://openalex.org/W2000909447","https://openalex.org/W2139289843","https://openalex.org/W1944241544","https://openalex.org/W1494702893","https://openalex.org/W2126315937","https://openalex.org/W1790982954"],"abstract_inverted_index":{"Systems":[0],"consisting":[1],"of":[2,31,41,51,55,58,63,75,99,140,144,166,174,182,186],"several":[3],"finite":[4],"components":[5],"that":[6,80,112,161],"communicate":[7],"via":[8],"unbounded":[9],"perfect":[10],"FIFO":[11,14,60],"channels":[12],"(i.e.,":[13],"systems)":[15],"arise":[16],"naturally":[17],"in":[18,25,129,147,154,179],"modeling":[19],"distributed":[20],"systems.":[21],"Despite":[22],"well-known":[23],"difficulties":[24],"analyzing":[26],"such":[27],"systems,":[28,109],"they":[29,35],"are":[30,150],"significant":[32],"interest":[33],"as":[34],"can":[36],"describe":[37],"a":[38,59,100,103,141],"wide":[39],"range":[40],"communication":[42,105],"protocols.":[43],"In":[44],"this":[45],"article,":[46],"we":[47,110,132],"study":[48],"the":[49,53,73,82,96,113,119,137,162,180,183,187],"problem":[50,67],"computing":[52],"set":[54,74],"reachable":[56],"states":[57],"system":[61,101],"composed":[62],"piecewise":[64,117],"components.":[65],"This":[66],"is":[68,116,122,126,177],"closely":[69],"related":[70],"to":[71],"calculating":[72,95,136],"all":[76],"possible":[77],"channel":[78],"contents,":[79],"is,":[81],"limit":[83,97,114,138],"language":[84,98,115,121,139],",":[85],"for":[86,94,135,169],"each":[87],"control":[88],"location.":[89],"We":[90,159],"present":[91],"an":[92],"algorithm":[93],"with":[102],"single":[104],"channel.":[106],"For":[107],"multichannel":[108,145,175],"show":[111,160],"if":[118],"initial":[120,184],"piecewise.":[123],"Our":[124],"construction":[125],"not":[127,151],"effective":[128],"general;":[130],"however,":[131],"provide":[133],"algorithms":[134,168],"restricted":[142],"class":[143],"systems":[146,176],"which":[148],"messages":[149],"passed":[152],"around":[153],"cycles":[155],"through":[156],"different":[157],"channels.":[158,188],"worst":[163],"case":[164],"complexity":[165],"our":[167],"single-channel":[170],"and":[171],"important":[172],"subclasses":[173],"exponential":[178],"size":[181],"content":[185]},"counts_by_year":[{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2026-04-28T14:05:53.105641","created_date":"2025-10-10T00:00:00"}
