{"id":"https://openalex.org/W3106907088","doi":"https://doi.org/10.1145/3397536.3422202","title":"A Ubiquitous and Accurate Floor Estimation System Using Deep Representational Learning","display_name":"A Ubiquitous and Accurate Floor Estimation System Using Deep Representational Learning","publication_year":2020,"publication_date":"2020-11-03","ids":{"openalex":"https://openalex.org/W3106907088","doi":"https://doi.org/10.1145/3397536.3422202","mag":"3106907088"},"language":"en","primary_location":{"id":"doi:10.1145/3397536.3422202","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3397536.3422202","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 28th International Conference on Advances in Geographic Information Systems","raw_type":"proceedings-article"},"type":"conference-paper","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/A5013317917","display_name":"Hamada Rizk","orcid":"https://orcid.org/0000-0002-8278-8801"},"institutions":[{"id":"https://openalex.org/I21376657","display_name":"Tanta University","ror":"https://ror.org/016jp5b92","country_code":"EG","type":"education","lineage":["https://openalex.org/I21376657"]},{"id":"https://openalex.org/I32619867","display_name":"Egypt-Japan University of Science and Technology","ror":"https://ror.org/02x66tk73","country_code":"EG","type":"education","lineage":["https://openalex.org/I32619867"]},{"id":"https://openalex.org/I98285908","display_name":"The University of Osaka","ror":"https://ror.org/035t8zc32","country_code":"JP","type":"education","lineage":["https://openalex.org/I98285908"]}],"countries":["EG","JP"],"is_corresponding":false,"raw_author_name":"Hamada Rizk","raw_affiliation_strings":["E-JUST, Alexandria, Egypt, Osaka University, Japan, Tanta University, Tanta, Egypt"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"E-JUST, Alexandria, Egypt, Osaka University, Japan, Tanta University, Tanta, Egypt","institution_ids":["https://openalex.org/I21376657","https://openalex.org/I32619867","https://openalex.org/I98285908"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5084448172","display_name":"Hirozumi Yamaguchi","orcid":"https://orcid.org/0000-0003-2273-4876"},"institutions":[{"id":"https://openalex.org/I98285908","display_name":"The University of Osaka","ror":"https://ror.org/035t8zc32","country_code":"JP","type":"education","lineage":["https://openalex.org/I98285908"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hirozumi Yamaguchi","raw_affiliation_strings":["Osaka University, Osaka, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Osaka University, Osaka, Japan","institution_ids":["https://openalex.org/I98285908"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5082680857","display_name":"Teruo Higashino","orcid":"https://orcid.org/0000-0001-5685-0424"},"institutions":[{"id":"https://openalex.org/I98285908","display_name":"The University of Osaka","ror":"https://ror.org/035t8zc32","country_code":"JP","type":"education","lineage":["https://openalex.org/I98285908"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Teruo Higashino","raw_affiliation_strings":["Osaka University, Osaka, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Osaka University, Osaka, Japan","institution_ids":["https://openalex.org/I98285908"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5008352007","display_name":"Moustafa Youssef","orcid":"https://orcid.org/0000-0002-2063-4364"},"institutions":[{"id":"https://openalex.org/I84524832","display_name":"Alexandria University","ror":"https://ror.org/00mzz1w90","country_code":"EG","type":"education","lineage":["https://openalex.org/I84524832"]}],"countries":["EG"],"is_corresponding":false,"raw_author_name":"Moustafa Youssef","raw_affiliation_strings":["Alexandria University Alexandria, Egypt"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Alexandria University Alexandria, Egypt","institution_ids":["https://openalex.org/I84524832"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":27,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"540","last_page":"549"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10860","display_name":"Speech and Audio Processing","score":0.9947999715805054,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/T10191","display_name":"Robotics and Sensor-Based Localization","score":0.989799976348877,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7451063394546509},{"id":"https://openalex.org/keywords/commodity","display_name":"Commodity","score":0.5512524247169495},{"id":"https://openalex.org/keywords/deep-learning","display_name":"Deep learning","score":0.4925549626350403},{"id":"https://openalex.org/keywords/ubiquitous-computing","display_name":"Ubiquitous computing","score":0.4475826621055603},{"id":"https://openalex.org/keywords/human\u2013computer-interaction","display_name":"Human\u2013computer interaction","score":0.43632084131240845},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3925710618495941},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.3553835153579712},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.3258768320083618},{"id":"https://openalex.org/keywords/data-science","display_name":"Data science","score":0.32339704036712646},{"id":"https://openalex.org/keywords/business","display_name":"Business","score":0.08048641681671143}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7451063394546509},{"id":"https://openalex.org/C2779439359","wikidata":"https://www.wikidata.org/wiki/Q317088","display_name":"Commodity","level":2,"score":0.5512524247169495},{"id":"https://openalex.org/C108583219","wikidata":"https://www.wikidata.org/wiki/Q197536","display_name":"Deep learning","level":2,"score":0.4925549626350403},{"id":"https://openalex.org/C172195944","wikidata":"https://www.wikidata.org/wiki/Q541265","display_name":"Ubiquitous computing","level":2,"score":0.4475826621055603},{"id":"https://openalex.org/C107457646","wikidata":"https://www.wikidata.org/wiki/Q207434","display_name":"Human\u2013computer interaction","level":1,"score":0.43632084131240845},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3925710618495941},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.3553835153579712},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.3258768320083618},{"id":"https://openalex.org/C2522767166","wikidata":"https://www.wikidata.org/wiki/Q2374463","display_name":"Data science","level":1,"score":0.32339704036712646},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.08048641681671143},{"id":"https://openalex.org/C10138342","wikidata":"https://www.wikidata.org/wiki/Q43015","display_name":"Finance","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3397536.3422202","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3397536.3422202","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 28th International Conference on Advances in Geographic Information Systems","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":46,"referenced_works":["https://openalex.org/W995630646","https://openalex.org/W1513671680","https://openalex.org/W1591801644","https://openalex.org/W1990603581","https://openalex.org/W1994665326","https://openalex.org/W2001619934","https://openalex.org/W2008448665","https://openalex.org/W2047391843","https://openalex.org/W2095705004","https://openalex.org/W2111662995","https://openalex.org/W2114217318","https://openalex.org/W2118473901","https://openalex.org/W2127493239","https://openalex.org/W2133671968","https://openalex.org/W2142908542","https://openalex.org/W2144580411","https://openalex.org/W2152175008","https://openalex.org/W2164877031","https://openalex.org/W2165855359","https://openalex.org/W2186481386","https://openalex.org/W2274198861","https://openalex.org/W2293550186","https://openalex.org/W2395444749","https://openalex.org/W2488359789","https://openalex.org/W2739582838","https://openalex.org/W2748939889","https://openalex.org/W2766429429","https://openalex.org/W2774684174","https://openalex.org/W2891616363","https://openalex.org/W2894379074","https://openalex.org/W2901328414","https://openalex.org/W2903114539","https://openalex.org/W2903835995","https://openalex.org/W2904501729","https://openalex.org/W2914278951","https://openalex.org/W2948495862","https://openalex.org/W2953121424","https://openalex.org/W2963539531","https://openalex.org/W2963892472","https://openalex.org/W2982519817","https://openalex.org/W2983679773","https://openalex.org/W2988138047","https://openalex.org/W3014771378","https://openalex.org/W3098263390","https://openalex.org/W3108157048","https://openalex.org/W3175413200"],"related_works":["https://openalex.org/W4375867731","https://openalex.org/W2372919335","https://openalex.org/W4244076636","https://openalex.org/W2399184610","https://openalex.org/W4230176027","https://openalex.org/W2916277247","https://openalex.org/W3200593740","https://openalex.org/W2611989081","https://openalex.org/W1978647869","https://openalex.org/W2022505847"],"abstract_inverted_index":{"Location-based":[0],"services":[1],"have":[2,30],"undergone":[3],"massive":[4],"improvements":[5],"over":[6],"the":[7,36,40,55],"last":[8],"decade.":[9],"Despite":[10],"intense":[11],"efforts":[12],"in":[13,57,69],"industry":[14],"and":[15,43],"academia,":[16],"a":[17,58],"pervasive":[18],"infrastructure-free":[19],"localization":[20],"is":[21],"still":[22],"elusive.":[23],"Towards":[24],"making":[25],"this":[26],"possible,":[27],"cellular-based":[28],"systems":[29,51],"recently":[31],"been":[32],"proposed":[33],"due":[34],"to":[35],"wide-spread":[37],"availability":[38],"of":[39],"cellular":[41],"networks":[42],"their":[44,65],"support":[45],"by":[46],"commodity":[47],"cellphones.":[48],"However,":[49],"these":[50],"only":[52],"consider":[53],"locating":[54],"user":[56],"2D":[59],"single":[60],"floor":[61],"environment,":[62],"which":[63],"reduces":[64],"value":[66],"when":[67],"used":[68],"multi-story":[70],"buildings.":[71]},"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":7},{"year":2022,"cited_by_count":10},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":1}],"updated_date":"2026-07-22T07:51:19.307946","created_date":"2025-10-10T00:00:00"}