{"id":"https://openalex.org/W2883994930","doi":"https://doi.org/10.1109/tcad.2018.2857378","title":"Real-Time Data Retrieval With Multiple Availability Intervals in CPS Under Freshness Constraints","display_name":"Real-Time Data Retrieval With Multiple Availability Intervals in CPS Under Freshness Constraints","publication_year":2018,"publication_date":"2018-07-23","ids":{"openalex":"https://openalex.org/W2883994930","doi":"https://doi.org/10.1109/tcad.2018.2857378","mag":"2883994930"},"language":"en","primary_location":{"id":"doi:10.1109/tcad.2018.2857378","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcad.2018.2857378","pdf_url":null,"source":{"id":"https://openalex.org/S100835903","display_name":"IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems","issn_l":"0278-0070","issn":["0278-0070","1937-4151"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["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 Computer-Aided Design of Integrated Circuits and Systems","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/A5025857856","display_name":"Chenchen Fu","orcid":"https://orcid.org/0000-0002-6724-9594"},"institutions":[{"id":"https://openalex.org/I168719708","display_name":"City University of Hong Kong","ror":"https://ror.org/03q8dnn23","country_code":"HK","type":"education","lineage":["https://openalex.org/I168719708"]}],"countries":["HK"],"is_corresponding":true,"raw_author_name":"Chenchen Fu","raw_affiliation_strings":["Department of Computer Science, City University of Hong Kong, Hong Kong"],"raw_orcid":"https://orcid.org/0000-0002-6724-9594","affiliations":[{"raw_affiliation_string":"Department of Computer Science, City University of Hong Kong, Hong Kong","institution_ids":["https://openalex.org/I168719708"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5041667917","display_name":"Peng Wu","orcid":"https://orcid.org/0000-0002-7175-6679"},"institutions":[{"id":"https://openalex.org/I140172145","display_name":"University of Connecticut","ror":"https://ror.org/02der9h97","country_code":"US","type":"education","lineage":["https://openalex.org/I140172145"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Peng Wu","raw_affiliation_strings":["Department of Computer Science and Engineering, University of Connecticut, Mansfield, CT, USA"],"raw_orcid":"https://orcid.org/0000-0002-7175-6679","affiliations":[{"raw_affiliation_string":"Department of Computer Science and Engineering, University of Connecticut, Mansfield, CT, USA","institution_ids":["https://openalex.org/I140172145"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5085884127","display_name":"Minming Li","orcid":"https://orcid.org/0000-0002-7370-6237"},"institutions":[{"id":"https://openalex.org/I168719708","display_name":"City University of Hong Kong","ror":"https://ror.org/03q8dnn23","country_code":"HK","type":"education","lineage":["https://openalex.org/I168719708"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Minming Li","raw_affiliation_strings":["Department of Computer Science, City University of Hong Kong, Hong Kong"],"raw_orcid":"https://orcid.org/0000-0002-7370-6237","affiliations":[{"raw_affiliation_string":"Department of Computer Science, City University of Hong Kong, Hong Kong","institution_ids":["https://openalex.org/I168719708"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101441768","display_name":"Chun Jason Xue","orcid":"https://orcid.org/0000-0002-6431-9868"},"institutions":[{"id":"https://openalex.org/I168719708","display_name":"City University of Hong Kong","ror":"https://ror.org/03q8dnn23","country_code":"HK","type":"education","lineage":["https://openalex.org/I168719708"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Chun Jason Xue","raw_affiliation_strings":["Department of Computer Science, City University of Hong Kong, Hong Kong"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science, City University of Hong Kong, Hong Kong","institution_ids":["https://openalex.org/I168719708"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5087290346","display_name":"Yingchao Zhao","orcid":"https://orcid.org/0000-0001-8362-6735"},"institutions":[{"id":"https://openalex.org/I1877545","display_name":"Saint Francis University","ror":"https://ror.org/01wcz2f33","country_code":"HK","type":"education","lineage":["https://openalex.org/I1877545"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Yingchao Zhao","raw_affiliation_strings":["School of Computing and Information Sciences, Caritas Institute of Higher Education, Hong Kong"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Computing and Information Sciences, Caritas Institute of Higher Education, Hong Kong","institution_ids":["https://openalex.org/I1877545"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100623628","display_name":"Song Han","orcid":"https://orcid.org/0000-0002-1491-7675"},"institutions":[{"id":"https://openalex.org/I140172145","display_name":"University of Connecticut","ror":"https://ror.org/02der9h97","country_code":"US","type":"education","lineage":["https://openalex.org/I140172145"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Song Han","raw_affiliation_strings":["Department of Computer Science and Engineering, University of Connecticut, Mansfield, CT, USA"],"raw_orcid":"https://orcid.org/0000-0002-1491-7675","affiliations":[{"raw_affiliation_string":"Department of Computer Science and Engineering, University of Connecticut, Mansfield, CT, USA","institution_ids":["https://openalex.org/I140172145"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5025857856"],"corresponding_institution_ids":["https://openalex.org/I168719708"],"apc_list":null,"apc_paid":null,"fwci":1.1725,"has_fulltext":false,"cited_by_count":9,"citation_normalized_percentile":{"value":0.81373268,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":98},"biblio":{"volume":"37","issue":"11","first_page":"2743","last_page":"2754"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10273","display_name":"IoT and Edge/Fog Computing","score":0.9970999956130981,"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/T10273","display_name":"IoT and Edge/Fog Computing","score":0.9970999956130981,"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/T13553","display_name":"Age of Information Optimization","score":0.9937999844551086,"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/T10444","display_name":"Context-Aware Activity Recognition Systems","score":0.9796000123023987,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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":0.7801520824432373},{"id":"https://openalex.org/keywords/data-retrieval","display_name":"Data retrieval","score":0.5619044303894043},{"id":"https://openalex.org/keywords/schedule","display_name":"Schedule","score":0.5015568733215332},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.47779661417007446},{"id":"https://openalex.org/keywords/task","display_name":"Task (project management)","score":0.46084073185920715},{"id":"https://openalex.org/keywords/integer-programming","display_name":"Integer programming","score":0.45838090777397156},{"id":"https://openalex.org/keywords/scheduling","display_name":"Scheduling (production processes)","score":0.44845813512802124},{"id":"https://openalex.org/keywords/time-complexity","display_name":"Time complexity","score":0.44724833965301514},{"id":"https://openalex.org/keywords/real-time-data","display_name":"Real-time data","score":0.43516814708709717},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.22391369938850403},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.20836088061332703},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.09232276678085327}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7801520824432373},{"id":"https://openalex.org/C551230270","wikidata":"https://www.wikidata.org/wiki/Q4368942","display_name":"Data retrieval","level":2,"score":0.5619044303894043},{"id":"https://openalex.org/C68387754","wikidata":"https://www.wikidata.org/wiki/Q7271585","display_name":"Schedule","level":2,"score":0.5015568733215332},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.47779661417007446},{"id":"https://openalex.org/C2780451532","wikidata":"https://www.wikidata.org/wiki/Q759676","display_name":"Task (project management)","level":2,"score":0.46084073185920715},{"id":"https://openalex.org/C56086750","wikidata":"https://www.wikidata.org/wiki/Q6042592","display_name":"Integer programming","level":2,"score":0.45838090777397156},{"id":"https://openalex.org/C206729178","wikidata":"https://www.wikidata.org/wiki/Q2271896","display_name":"Scheduling (production processes)","level":2,"score":0.44845813512802124},{"id":"https://openalex.org/C311688","wikidata":"https://www.wikidata.org/wiki/Q2393193","display_name":"Time complexity","level":2,"score":0.44724833965301514},{"id":"https://openalex.org/C110593043","wikidata":"https://www.wikidata.org/wiki/Q7300787","display_name":"Real-time data","level":2,"score":0.43516814708709717},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.22391369938850403},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.20836088061332703},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.09232276678085327},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.0},{"id":"https://openalex.org/C187736073","wikidata":"https://www.wikidata.org/wiki/Q2920921","display_name":"Management","level":1,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tcad.2018.2857378","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcad.2018.2857378","pdf_url":null,"source":{"id":"https://openalex.org/S100835903","display_name":"IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems","issn_l":"0278-0070","issn":["0278-0070","1937-4151"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["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 Computer-Aided Design of Integrated Circuits and Systems","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.4099999964237213,"display_name":"Peace, Justice and strong institutions","id":"https://metadata.un.org/sdg/16"}],"awards":[{"id":"https://openalex.org/G4759086838","display_name":null,"funder_award_id":"CNS-1713738","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"}],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":36,"referenced_works":["https://openalex.org/W1599058933","https://openalex.org/W1875610726","https://openalex.org/W1975000170","https://openalex.org/W1986271433","https://openalex.org/W1991036250","https://openalex.org/W2002531683","https://openalex.org/W2018204504","https://openalex.org/W2020882821","https://openalex.org/W2029608738","https://openalex.org/W2034011219","https://openalex.org/W2038098981","https://openalex.org/W2090383996","https://openalex.org/W2097724025","https://openalex.org/W2105761717","https://openalex.org/W2108171001","https://openalex.org/W2112230387","https://openalex.org/W2113896693","https://openalex.org/W2115292965","https://openalex.org/W2144583251","https://openalex.org/W2145068111","https://openalex.org/W2148045530","https://openalex.org/W2149713648","https://openalex.org/W2157529519","https://openalex.org/W2167439837","https://openalex.org/W2168447690","https://openalex.org/W2169239645","https://openalex.org/W2169965763","https://openalex.org/W2230271838","https://openalex.org/W2254954834","https://openalex.org/W2509292452","https://openalex.org/W2512275086","https://openalex.org/W2570909433","https://openalex.org/W2763836003","https://openalex.org/W4213060883","https://openalex.org/W4285719527","https://openalex.org/W6684786306"],"related_works":["https://openalex.org/W2381415338","https://openalex.org/W2365404242","https://openalex.org/W2370319203","https://openalex.org/W4241844845","https://openalex.org/W2365866555","https://openalex.org/W2023863393","https://openalex.org/W2195904091","https://openalex.org/W2378954083","https://openalex.org/W4281297310","https://openalex.org/W1966261337"],"abstract_inverted_index":{"Maintaining":[0],"the":[1,33,42,54,86,113,124,127,138,173,193,209,221,225],"temporal":[2,55,114],"validity":[3,56,115],"of":[4,12,107,126,140,176,208],"real-time":[5,28,34,50,100],"data":[6,29,35,72,90,101,117,146,154,182],"in":[7,65,76],"cyber-physical":[8],"systems":[9],"(CPSs)":[10],"is":[11],"critical":[13],"importance":[14],"to":[15,96,220],"ensure":[16],"correct":[17],"decision":[18,108,142,178],"making":[19,49],"and":[20,41,116,130,165,196,224],"appropriate":[21],"system":[22],"operation.":[23],"Most":[24],"existing":[25],"work":[26],"on":[27,48,102,203],"retrieval":[30,91,147,155,168,183],"assumes":[31],"that":[32],"under":[36,134],"study":[37,85,131],"are":[38],"always":[39],"available,":[40],"developed":[43],"scheduling":[44],"algorithms":[45,211],"mainly":[46],"focus":[47],"decisions":[51],"while":[52,110],"meeting":[53],"(freshness)":[57],"constraints.":[58],"This":[59],"assumption,":[60],"however":[61],"does":[62],"not":[63],"hold":[64],"many":[66],"real-life":[67],"CPS":[68],"applications":[69],"with":[70,144,180],"intermittent":[71],"availability,":[73],"such":[74],"as":[75],"energy":[77],"harvesting-based":[78],"sensing":[79],"systems.":[80],"In":[81],"this":[82],"paper,":[83],"we":[84,149,185],"multi-interval":[87],"availability-constrained":[88],"fresh":[89],"(MAFDR)":[92],"problem,":[93],"which":[94,157],"aims":[95],"retrieve":[97],"all":[98],"required":[99],"time":[103,162],"for":[104,192],"a":[105,151,159,198],"set":[106],"tasks":[109,179],"taking":[111],"both":[112],"availability":[118],"constraints":[119],"into":[120],"consideration.":[121],"We":[122],"present":[123],"formulation":[125,191],"MAFDR":[128,194],"problem":[129,195],"its":[132],"complexity":[133],"different":[135],"settings.":[136],"For":[137,172],"scenario":[139,175],"single":[141],"task":[143,160],"unit-size":[145],"time,":[148,184],"propose":[150,197],"polynomial-time":[152],"optimal":[153,167,222],"algorithm,":[156],"comprises":[158],"finish":[161],"selection":[163],"phase":[164],"an":[166,187],"schedule":[169],"construction":[170],"phase.":[171],"general":[174],"multiple":[177],"nonunit-size":[181],"provide":[186],"integer":[188],"linear":[189],"programming":[190],"fast":[199],"heuristic":[200],"algorithm":[201],"based":[202],"max":[204],"flow.":[205],"The":[206],"effectiveness":[207],"proposed":[210],"has":[212],"been":[213],"validated":[214],"through":[215],"extensive":[216],"experiments":[217],"by":[218],"comparing":[219],"solution":[223],"state-of-the-art":[226],"approach.":[227]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2024,"cited_by_count":2},{"year":2021,"cited_by_count":3},{"year":2019,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}