{"id":"https://openalex.org/W2150662023","doi":"https://doi.org/10.1145/2307636.2307640","title":"ACE","display_name":"ACE","publication_year":2012,"publication_date":"2012-06-25","ids":{"openalex":"https://openalex.org/W2150662023","doi":"https://doi.org/10.1145/2307636.2307640","mag":"2150662023"},"language":"en","primary_location":{"id":"doi:10.1145/2307636.2307640","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2307636.2307640","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 10th international conference on Mobile systems, applications, and services","raw_type":"proceedings-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/A5024224291","display_name":"Suman Nath","orcid":"https://orcid.org/0000-0001-7813-9756"},"institutions":[{"id":"https://openalex.org/I1290206253","display_name":"Microsoft (United States)","ror":"https://ror.org/00d0nc645","country_code":"US","type":"company","lineage":["https://openalex.org/I1290206253"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Suman Nath","raw_affiliation_strings":["Microsoft Research, Redmond, WA, USA"],"affiliations":[{"raw_affiliation_string":"Microsoft Research, Redmond, WA, USA","institution_ids":["https://openalex.org/I1290206253"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5024224291"],"corresponding_institution_ids":["https://openalex.org/I1290206253"],"apc_list":null,"apc_paid":null,"fwci":24.9807,"has_fulltext":false,"cited_by_count":177,"citation_normalized_percentile":{"value":0.99684211,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":100},"biblio":{"volume":null,"issue":null,"first_page":"29","last_page":"42"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10444","display_name":"Context-Aware Activity Recognition Systems","score":0.9998000264167786,"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"}},"topics":[{"id":"https://openalex.org/T10444","display_name":"Context-Aware Activity Recognition Systems","score":0.9998000264167786,"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"}},{"id":"https://openalex.org/T11704","display_name":"Mobile Crowdsensing and Crowdsourcing","score":0.996399998664856,"subfield":{"id":"https://openalex.org/subfields/1706","display_name":"Computer Science Applications"},"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/T11980","display_name":"Human Mobility and Location-Based Analysis","score":0.9945999979972839,"subfield":{"id":"https://openalex.org/subfields/3313","display_name":"Transportation"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.847713828086853},{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.7292745113372803},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.6139166951179504},{"id":"https://openalex.org/keywords/exploit","display_name":"Exploit","score":0.6125144958496094},{"id":"https://openalex.org/keywords/middleware","display_name":"Middleware (distributed applications)","score":0.5997639894485474},{"id":"https://openalex.org/keywords/cache","display_name":"Cache","score":0.5554877519607544},{"id":"https://openalex.org/keywords/phone","display_name":"Phone","score":0.5230746865272522},{"id":"https://openalex.org/keywords/inference","display_name":"Inference","score":0.4485262930393219},{"id":"https://openalex.org/keywords/embedded-system","display_name":"Embedded system","score":0.34635236859321594},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.32297876477241516},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.26905733346939087},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.24231594800949097},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.15611645579338074},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.10437682271003723}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.847713828086853},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.7292745113372803},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.6139166951179504},{"id":"https://openalex.org/C165696696","wikidata":"https://www.wikidata.org/wiki/Q11287","display_name":"Exploit","level":2,"score":0.6125144958496094},{"id":"https://openalex.org/C169468491","wikidata":"https://www.wikidata.org/wiki/Q146923","display_name":"Middleware (distributed applications)","level":2,"score":0.5997639894485474},{"id":"https://openalex.org/C115537543","wikidata":"https://www.wikidata.org/wiki/Q165596","display_name":"Cache","level":2,"score":0.5554877519607544},{"id":"https://openalex.org/C2778707766","wikidata":"https://www.wikidata.org/wiki/Q202064","display_name":"Phone","level":2,"score":0.5230746865272522},{"id":"https://openalex.org/C2776214188","wikidata":"https://www.wikidata.org/wiki/Q408386","display_name":"Inference","level":2,"score":0.4485262930393219},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.34635236859321594},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.32297876477241516},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.26905733346939087},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.24231594800949097},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.15611645579338074},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.10437682271003723},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/2307636.2307640","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2307636.2307640","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 10th international conference on Mobile systems, applications, and services","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":28,"referenced_works":["https://openalex.org/W184229337","https://openalex.org/W1554813885","https://openalex.org/W1585397009","https://openalex.org/W1996790762","https://openalex.org/W2011103514","https://openalex.org/W2017634428","https://openalex.org/W2024748076","https://openalex.org/W2036946260","https://openalex.org/W2047418149","https://openalex.org/W2058792175","https://openalex.org/W2097152890","https://openalex.org/W2101788345","https://openalex.org/W2108950108","https://openalex.org/W2126333155","https://openalex.org/W2127963147","https://openalex.org/W2131147042","https://openalex.org/W2132914768","https://openalex.org/W2136798749","https://openalex.org/W2137100320","https://openalex.org/W2142216726","https://openalex.org/W2149708663","https://openalex.org/W2160170050","https://openalex.org/W2160513590","https://openalex.org/W2162555816","https://openalex.org/W2166559705","https://openalex.org/W2166646151","https://openalex.org/W2166692930","https://openalex.org/W2222437066"],"related_works":["https://openalex.org/W17155033","https://openalex.org/W3207760230","https://openalex.org/W1496222301","https://openalex.org/W1590307681","https://openalex.org/W2536018345","https://openalex.org/W4312814274","https://openalex.org/W4285370786","https://openalex.org/W2296488620","https://openalex.org/W2358353312","https://openalex.org/W2081416538"],"abstract_inverted_index":{"We":[0],"propose":[1],"ACE":[2,20,50,67,93,128],"(Acquisitional":[3],"Context":[4],"Engine),":[5],"a":[6,122,142,151],"middleware":[7],"that":[8,65,91,127],"supports":[9],"continuous":[10],"context-aware":[11,135],"applications":[12,26,136],"while":[13],"mitigating":[14],"sensing":[15,90,106,131],"costs":[16,132],"for":[17,56],"inferring":[18],"contexts.":[19],"provides":[21],"user's":[22],"current":[23],"context":[24,38,72,116],"to":[25,68,94,141],"running":[27],"on":[28],"it.":[29],"In":[30],"addition,":[31],"it":[32],"dynamically":[33],"learns":[34],"relationships":[35,55],"among":[36],"various":[37],"attributes":[39,108],"(e.g.,":[40,103,109],"whenever":[41],"the":[42,97],"user":[43],"is":[44,47,62,88],"Driving,":[45],"he":[46],"not":[48],"AtHome).":[49],"exploits":[51],"these":[52],"automatically":[53],"learned":[54],"two":[57,114],"powerful":[58],"optimizations.":[59],"The":[60,85],"first":[61],"inference":[63],"caching":[64],"allows":[66],"opportunistically":[69],"infer":[70,96],"one":[71],"attribute":[73,78,102],"(AtHome)":[74],"from":[75],"another":[76],"already-known":[77],"(Driving),":[79],"without":[80],"acquiring":[81],"any":[82],"sensor":[83,144],"data.":[84],"second":[86],"optimization":[87],"speculative":[89],"enables":[92],"occasionally":[95],"value":[98],"of":[99,118,133],"an":[100],"expensive":[101],"AtHome)":[104],"by":[105,137],"cheaper":[107],"Driving).":[110],"Our":[111],"experiments":[112],"with":[113,150],"real":[115],"traces":[117],"105":[119],"people":[120],"and":[121,155],"Windows":[123],"Phone":[124],"prototype":[125],"show":[126],"can":[129],"reduce":[130],"three":[134],"about":[138],"4.2x,":[139],"compared":[140],"raw":[143],"data":[145],"cache":[146],"shared":[147],"across":[148],"applications,":[149],"very":[152],"small":[153],"memory":[154],"processing":[156],"overhead.":[157]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":18},{"year":2018,"cited_by_count":9},{"year":2017,"cited_by_count":19},{"year":2016,"cited_by_count":30},{"year":2015,"cited_by_count":37},{"year":2014,"cited_by_count":32},{"year":2013,"cited_by_count":19},{"year":2012,"cited_by_count":2}],"updated_date":"2026-04-05T17:49:38.594831","created_date":"2016-06-24T00:00:00"}