{"id":"https://openalex.org/W4414692562","doi":"https://doi.org/10.1109/tcomm.2025.3616209","title":"Age of Information Versions: A Semantic View of Markov Source Monitoring","display_name":"Age of Information Versions: A Semantic View of Markov Source Monitoring","publication_year":2025,"publication_date":"2025-10-01","ids":{"openalex":"https://openalex.org/W4414692562","doi":"https://doi.org/10.1109/tcomm.2025.3616209"},"language":"en","primary_location":{"id":"doi:10.1109/tcomm.2025.3616209","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcomm.2025.3616209","pdf_url":null,"source":{"id":"https://openalex.org/S196647941","display_name":"IEEE Transactions on Communications","issn_l":"0090-6778","issn":["0090-6778","1558-0857"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Communications","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/A5082362605","display_name":"Mehrdad Salimnejad","orcid":"https://orcid.org/0000-0002-0111-0717"},"institutions":[{"id":"https://openalex.org/I102134673","display_name":"Link\u00f6ping University","ror":"https://ror.org/05ynxx418","country_code":"SE","type":"education","lineage":["https://openalex.org/I102134673"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"Mehrdad Salimnejad","raw_affiliation_strings":["Department of Computer and Information Science, Link&#x00F6;ping University, Link&#x00F6;ping, Sweden","Department of Computer and Information Science, Link&#x00F6;ping University, Sweden"],"raw_orcid":"https://orcid.org/0000-0002-0111-0717","affiliations":[{"raw_affiliation_string":"Department of Computer and Information Science, Link&#x00F6;ping University, Link&#x00F6;ping, Sweden","institution_ids":["https://openalex.org/I102134673"]},{"raw_affiliation_string":"Department of Computer and Information Science, Link&#x00F6;ping University, Sweden","institution_ids":["https://openalex.org/I102134673"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5088602155","display_name":"Marios Kountouris","orcid":"https://orcid.org/0000-0003-1143-080X"},"institutions":[{"id":"https://openalex.org/I173304897","display_name":"Universidad de Granada","ror":"https://ror.org/04njjy449","country_code":"ES","type":"education","lineage":["https://openalex.org/I173304897"]},{"id":"https://openalex.org/I4210095677","display_name":"Instituto Andaluz de Ciencias de la Tierra","ror":"https://ror.org/00v0g9w49","country_code":"ES","type":"facility","lineage":["https://openalex.org/I134820265","https://openalex.org/I4210095677"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Marios Kountouris","raw_affiliation_strings":["Department of Computer Science and Artificial Intelligence, Andalusian Research Institute in Data Science and Computational Intelligence (DaSCI), University of Granada, Granada, Spain","Department of Computer Science and Artificial Intelligence, Andalusian Research Institute in Data Science and Computational Intelligence (DaSCI), University of Granada, Spain"],"raw_orcid":"https://orcid.org/0000-0003-1143-080X","affiliations":[{"raw_affiliation_string":"Department of Computer Science and Artificial Intelligence, Andalusian Research Institute in Data Science and Computational Intelligence (DaSCI), University of Granada, Granada, Spain","institution_ids":["https://openalex.org/I173304897","https://openalex.org/I4210095677"]},{"raw_affiliation_string":"Department of Computer Science and Artificial Intelligence, Andalusian Research Institute in Data Science and Computational Intelligence (DaSCI), University of Granada, Spain","institution_ids":["https://openalex.org/I173304897","https://openalex.org/I4210095677"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008039780","display_name":"Anthony Ephremides","orcid":"https://orcid.org/0000-0003-0172-8944"},"institutions":[{"id":"https://openalex.org/I66946132","display_name":"University of Maryland, College Park","ror":"https://ror.org/047s2c258","country_code":"US","type":"education","lineage":["https://openalex.org/I66946132"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Anthony Ephremides","raw_affiliation_strings":["Department of Electrical and Computer Engineering, University of Maryland, College Park, MD, USA","Electrical and Computer Engineering, University of Maryland, College Park, MD, USA"],"raw_orcid":"https://orcid.org/0000-0003-0172-8944","affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Maryland, College Park, MD, USA","institution_ids":["https://openalex.org/I66946132"]},{"raw_affiliation_string":"Electrical and Computer Engineering, University of Maryland, College Park, MD, USA","institution_ids":["https://openalex.org/I66946132"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5084740578","display_name":"\u039d\u03b9\u03ba\u03cc\u03bb\u03b1\u03bf\u03c2 \u03a0\u03b1\u03c0\u03c0\u03ac\u03c2","orcid":"https://orcid.org/0000-0003-4416-7702"},"institutions":[{"id":"https://openalex.org/I102134673","display_name":"Link\u00f6ping University","ror":"https://ror.org/05ynxx418","country_code":"SE","type":"education","lineage":["https://openalex.org/I102134673"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"Nikolaos Pappas","raw_affiliation_strings":["Department of Computer and Information Science, Link&#x00F6;ping University, Link&#x00F6;ping, Sweden","Department of Computer and Information Science, Link&#x00F6;ping University, Sweden"],"raw_orcid":"https://orcid.org/0000-0003-4416-7702","affiliations":[{"raw_affiliation_string":"Department of Computer and Information Science, Link&#x00F6;ping University, Link&#x00F6;ping, Sweden","institution_ids":["https://openalex.org/I102134673"]},{"raw_affiliation_string":"Department of Computer and Information Science, Link&#x00F6;ping University, Sweden","institution_ids":["https://openalex.org/I102134673"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":4.1198,"has_fulltext":false,"cited_by_count":6,"citation_normalized_percentile":{"value":0.9447245,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":95,"max":99},"biblio":{"volume":"73","issue":"12","first_page":"14486","last_page":"14502"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T13553","display_name":"Age of Information Optimization","score":0.989799976348877,"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/T13553","display_name":"Age of Information Optimization","score":0.989799976348877,"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/T10715","display_name":"Distributed and Parallel Computing Systems","score":0.9620000123977661,"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/sync","display_name":"sync","score":0.6840999722480774},{"id":"https://openalex.org/keywords/sampling","display_name":"Sampling (signal processing)","score":0.6157000064849854},{"id":"https://openalex.org/keywords/markov-chain","display_name":"Markov chain","score":0.5455999970436096},{"id":"https://openalex.org/keywords/markov-process","display_name":"Markov process","score":0.5228000283241272},{"id":"https://openalex.org/keywords/state","display_name":"State (computer science)","score":0.5199000239372253},{"id":"https://openalex.org/keywords/information-source","display_name":"Information source (mathematics)","score":0.5105000138282776},{"id":"https://openalex.org/keywords/source-code","display_name":"Source code","score":0.4553000032901764},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.3917999863624573}],"concepts":[{"id":"https://openalex.org/C3913047","wikidata":"https://www.wikidata.org/wiki/Q1956265","display_name":"sync","level":3,"score":0.6840999722480774},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6462000012397766},{"id":"https://openalex.org/C140779682","wikidata":"https://www.wikidata.org/wiki/Q210868","display_name":"Sampling (signal processing)","level":3,"score":0.6157000064849854},{"id":"https://openalex.org/C98763669","wikidata":"https://www.wikidata.org/wiki/Q176645","display_name":"Markov chain","level":2,"score":0.5455999970436096},{"id":"https://openalex.org/C159886148","wikidata":"https://www.wikidata.org/wiki/Q176645","display_name":"Markov process","level":2,"score":0.5228000283241272},{"id":"https://openalex.org/C48103436","wikidata":"https://www.wikidata.org/wiki/Q599031","display_name":"State (computer science)","level":2,"score":0.5199000239372253},{"id":"https://openalex.org/C2778095710","wikidata":"https://www.wikidata.org/wiki/Q6031225","display_name":"Information source (mathematics)","level":2,"score":0.5105000138282776},{"id":"https://openalex.org/C43126263","wikidata":"https://www.wikidata.org/wiki/Q128751","display_name":"Source code","level":2,"score":0.4553000032901764},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.39579999446868896},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.3917999863624573},{"id":"https://openalex.org/C168703024","wikidata":"https://www.wikidata.org/wiki/Q6738367","display_name":"Major stationary source","level":3,"score":0.38999998569488525},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.33149999380111694},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.3248000144958496},{"id":"https://openalex.org/C23224414","wikidata":"https://www.wikidata.org/wiki/Q176769","display_name":"Hidden Markov model","level":2,"score":0.32030001282691956},{"id":"https://openalex.org/C49937458","wikidata":"https://www.wikidata.org/wiki/Q2599292","display_name":"Probabilistic logic","level":2,"score":0.3075000047683716},{"id":"https://openalex.org/C2778562939","wikidata":"https://www.wikidata.org/wiki/Q1298791","display_name":"Synchronization (alternating current)","level":3,"score":0.3052000105381012},{"id":"https://openalex.org/C52740198","wikidata":"https://www.wikidata.org/wiki/Q1539564","display_name":"Importance sampling","level":3,"score":0.3050999939441681},{"id":"https://openalex.org/C163836022","wikidata":"https://www.wikidata.org/wiki/Q6771326","display_name":"Markov model","level":3,"score":0.29490000009536743},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.2888999879360199},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.27730000019073486},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.2678999900817871},{"id":"https://openalex.org/C128669082","wikidata":"https://www.wikidata.org/wiki/Q583461","display_name":"Randomized algorithm","level":2,"score":0.2644999921321869},{"id":"https://openalex.org/C8272713","wikidata":"https://www.wikidata.org/wiki/Q176737","display_name":"Stochastic process","level":2,"score":0.2513999938964844}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tcomm.2025.3616209","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcomm.2025.3616209","pdf_url":null,"source":{"id":"https://openalex.org/S196647941","display_name":"IEEE Transactions on Communications","issn_l":"0090-6778","issn":["0090-6778","1558-0857"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Communications","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":43,"referenced_works":["https://openalex.org/W1971585841","https://openalex.org/W1980732596","https://openalex.org/W1993918491","https://openalex.org/W2809950409","https://openalex.org/W2884466981","https://openalex.org/W2963230267","https://openalex.org/W2963922350","https://openalex.org/W2963965711","https://openalex.org/W2964201338","https://openalex.org/W2967840800","https://openalex.org/W2996238281","https://openalex.org/W3010946786","https://openalex.org/W3021482604","https://openalex.org/W3041291604","https://openalex.org/W3167080497","https://openalex.org/W3180974649","https://openalex.org/W3197901880","https://openalex.org/W3199878738","https://openalex.org/W3204258145","https://openalex.org/W3217338091","https://openalex.org/W4286377573","https://openalex.org/W4289655308","https://openalex.org/W4310901994","https://openalex.org/W4313455370","https://openalex.org/W4318762071","https://openalex.org/W4321104925","https://openalex.org/W4323520918","https://openalex.org/W4381415989","https://openalex.org/W4388520009","https://openalex.org/W4388836101","https://openalex.org/W4390050674","https://openalex.org/W4390495946","https://openalex.org/W4390659242","https://openalex.org/W4391020658","https://openalex.org/W4391661595","https://openalex.org/W4396712492","https://openalex.org/W4401539495","https://openalex.org/W4401609290","https://openalex.org/W4403390289","https://openalex.org/W4405429347","https://openalex.org/W4408325940","https://openalex.org/W4409310580","https://openalex.org/W4410536662"],"related_works":[],"abstract_inverted_index":{"We":[0,30,78,129],"consider":[1],"the":[2,17,39,62,68,74,111,115,119,122,134,147,155,175,180,193],"problem":[3],"of":[4,8,105,151,157],"real-time":[5],"remote":[6],"monitoring":[7],"a":[9,14,32,49],"two-state":[10],"Markov":[11],"process,":[12],"where":[13],"sensor":[15],"observes":[16],"source":[18,40,64,120],"state":[19,46,65],"and":[20,48,66,100,136,149,154,161,179,188,191],"decides":[21],"whether":[22,67],"to":[23,118,167],"transmit":[24],"updates":[25],"over":[26],"an":[27,126],"unreliable":[28],"channel.":[29],"introduce":[31],"change-aware":[33],"randomized":[34,51],"stationary":[35,52],"policy,":[36,53],"in":[37,54,71,73,96,125],"which":[38,55,92,109,196],"is":[41,57,124],"sampled":[42],"probabilistically":[43,59],"whenever":[44],"its":[45],"changes,":[47],"semantics-aware":[50],"sampling":[56,139,177,187],"performed":[58],"based":[60],"on":[61,174],"current":[63],"system":[69,123],"was":[70],"sync":[72],"previous":[75],"time":[76],"slot.":[77],"then":[79],"propose":[80],"two":[81],"new":[82],"performance":[83,132],"metrics:":[84],"<italic":[85,101],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[86,102],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">the":[87,103],"Version":[88,107],"Innovation":[89],"Age":[90,104,156],"(VIA)</i>,":[91],"measures":[93],"significant":[94],"changes":[95],"content":[97],"between":[98],"versions,":[99],"Incorrect":[106,158],"(AoIV)</i>,":[108],"quantifies":[110],"outdated":[112],"versions":[113],"at":[114],"receiver":[116],"compared":[117],"when":[121],"incorrect":[127],"state.":[128],"analyze":[130],"their":[131],"under":[133,195],"proposed":[135],"other":[137],"state-of-the-art":[138],"policies.":[140],"Specifically,":[141],"we":[142,184],"derive":[143],"closed-form":[144],"expressions":[145],"for":[146,172],"distributions":[148],"averages":[150],"VIA,":[152],"AoIV,":[153],"Information":[159],"(AoII),":[160],"formulate":[162],"three":[163],"constrained":[164],"optimization":[165],"problems":[166],"minimize":[168],"them":[169],"while":[170],"accounting":[171],"constraints":[173],"time-averaged":[176],"cost":[178],"reconstruction":[181],"error.":[182],"Finally,":[183],"compare":[185],"various":[186],"transmission":[189],"policies":[190],"identify":[192],"conditions":[194],"each":[197],"policy":[198],"performs":[199],"best.":[200]},"counts_by_year":[{"year":2026,"cited_by_count":4},{"year":2025,"cited_by_count":2}],"updated_date":"2026-07-22T07:51:19.307946","created_date":"2025-10-10T00:00:00"}
