{"id":"https://openalex.org/W1972207619","doi":"https://doi.org/10.1109/ipin.2012.6418923","title":"DactyLoc: A minimally geo-referenced WiFi+GSM-fingerprint-based localization method for positioning in urban spaces","display_name":"DactyLoc: A minimally geo-referenced WiFi+GSM-fingerprint-based localization method for positioning in urban spaces","publication_year":2012,"publication_date":"2012-11-01","ids":{"openalex":"https://openalex.org/W1972207619","doi":"https://doi.org/10.1109/ipin.2012.6418923","mag":"1972207619"},"language":"en","primary_location":{"id":"doi:10.1109/ipin.2012.6418923","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ipin.2012.6418923","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 International Conference on Indoor Positioning and Indoor Navigation (IPIN)","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/A5060833945","display_name":"K. S. Cujia","orcid":"https://orcid.org/0000-0003-3446-4551"},"institutions":[{"id":"https://openalex.org/I35440088","display_name":"ETH Zurich","ror":"https://ror.org/05a28rw58","country_code":"CH","type":"education","lineage":["https://openalex.org/I2799323385","https://openalex.org/I35440088"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Kristian Cujia","raw_affiliation_strings":["Wearable Computing Group, ETH Zurich, Switzerland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Wearable Computing Group, ETH Zurich, Switzerland","institution_ids":["https://openalex.org/I35440088"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110216705","display_name":"Martin Wirz","orcid":null},"institutions":[{"id":"https://openalex.org/I35440088","display_name":"ETH Zurich","ror":"https://ror.org/05a28rw58","country_code":"CH","type":"education","lineage":["https://openalex.org/I2799323385","https://openalex.org/I35440088"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Martin Wirz","raw_affiliation_strings":["Wearable Computing Group, ETH Zurich, Switzerland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Wearable Computing Group, ETH Zurich, Switzerland","institution_ids":["https://openalex.org/I35440088"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5034655219","display_name":"Mikkel Baun Kj\u00e6rgaard","orcid":"https://orcid.org/0000-0001-5124-744X"},"institutions":[{"id":"https://openalex.org/I35440088","display_name":"ETH Zurich","ror":"https://ror.org/05a28rw58","country_code":"CH","type":"education","lineage":["https://openalex.org/I2799323385","https://openalex.org/I35440088"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Mikkel Baun Kjaergaard","raw_affiliation_strings":["Wearable Computing Group, ETH Zurich, Switzerland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Wearable Computing Group, ETH Zurich, Switzerland","institution_ids":["https://openalex.org/I35440088"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5051210293","display_name":"Daniel Roggen","orcid":"https://orcid.org/0000-0001-8033-6417"},"institutions":[{"id":"https://openalex.org/I35440088","display_name":"ETH Zurich","ror":"https://ror.org/05a28rw58","country_code":"CH","type":"education","lineage":["https://openalex.org/I2799323385","https://openalex.org/I35440088"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Daniel Roggen","raw_affiliation_strings":["Wearable Computing Group, ETH Zurich, Switzerland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Wearable Computing Group, ETH Zurich, Switzerland","institution_ids":["https://openalex.org/I35440088"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5017473656","display_name":"Gerhard Tr\u00f6ster","orcid":"https://orcid.org/0000-0002-9278-1638"},"institutions":[{"id":"https://openalex.org/I35440088","display_name":"ETH Zurich","ror":"https://ror.org/05a28rw58","country_code":"CH","type":"education","lineage":["https://openalex.org/I2799323385","https://openalex.org/I35440088"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Gerhard Troster","raw_affiliation_strings":["Wearable Computing Group, ETH Zurich, Switzerland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Wearable Computing Group, ETH Zurich, Switzerland","institution_ids":["https://openalex.org/I35440088"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.2498,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.57127732,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"3","issue":null,"first_page":"1","last_page":"9"},"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/T10444","display_name":"Context-Aware Activity Recognition Systems","score":0.9818000197410583,"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/T11980","display_name":"Human Mobility and Location-Based Analysis","score":0.9747999906539917,"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/fingerprint","display_name":"Fingerprint (computing)","score":0.8424967527389526},{"id":"https://openalex.org/keywords/gsm","display_name":"GSM","score":0.7513104677200317},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6440226435661316},{"id":"https://openalex.org/keywords/fingerprint-recognition","display_name":"Fingerprint recognition","score":0.581408679485321},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.4461796283721924},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.36757177114486694},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.2489260733127594}],"concepts":[{"id":"https://openalex.org/C2777826928","wikidata":"https://www.wikidata.org/wiki/Q3745713","display_name":"Fingerprint (computing)","level":2,"score":0.8424967527389526},{"id":"https://openalex.org/C59201141","wikidata":"https://www.wikidata.org/wiki/Q46904","display_name":"GSM","level":2,"score":0.7513104677200317},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6440226435661316},{"id":"https://openalex.org/C168406668","wikidata":"https://www.wikidata.org/wiki/Q178022","display_name":"Fingerprint recognition","level":3,"score":0.581408679485321},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.4461796283721924},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.36757177114486694},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.2489260733127594}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/ipin.2012.6418923","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ipin.2012.6418923","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 International Conference on Indoor Positioning and Indoor Navigation (IPIN)","raw_type":"proceedings-article"},{"id":"pmh:oai:pure.atira.dk:publications/dfb8a5b1-1491-4900-9e29-fa51d5d53768","is_oa":false,"landing_page_url":"https://pure.au.dk/portal/en/publications/dfb8a5b1-1491-4900-9e29-fa51d5d53768","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Cujia, K, Wirz, M, Kj\u00e6rgaard, M B, Roggen, D & Tr\u00f6ster, G 2012, DactyLoc : A minimally geo-referenced WiFi+GSM-fingerprint-based localization method for positioning in urban spaces. in C Rizos, A Dempster, B Li & T Gallagher (eds), Proceedings of the 3rd International Conference on Indoor Positioning and Indoor Navigation (IPIN), 2012. IEEE, pp. 1-9, International Conference on Indoor Positioning and Indoor Navigation , Sydney, Australia, 13/11/2012. https://doi.org/10.1109/IPIN.2012.6418923","raw_type":"info:eu-repo/semantics/publishedVersion"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/11","display_name":"Sustainable cities and communities","score":0.8299999833106995}],"awards":[],"funders":[{"id":"https://openalex.org/F4320338370","display_name":"FP7 Information and Communication Technologies","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":25,"referenced_works":["https://openalex.org/W1520408747","https://openalex.org/W1543055549","https://openalex.org/W1746665946","https://openalex.org/W1827950459","https://openalex.org/W1895688297","https://openalex.org/W2027729696","https://openalex.org/W2053804891","https://openalex.org/W2067752346","https://openalex.org/W2096157747","https://openalex.org/W2100456966","https://openalex.org/W2121868539","https://openalex.org/W2123402141","https://openalex.org/W2124433861","https://openalex.org/W2130859118","https://openalex.org/W2132110947","https://openalex.org/W2134671728","https://openalex.org/W2142908542","https://openalex.org/W2143561263","https://openalex.org/W2154020241","https://openalex.org/W2154893015","https://openalex.org/W2170102584","https://openalex.org/W2179597763","https://openalex.org/W6639592295","https://openalex.org/W6680125751","https://openalex.org/W6682627182"],"related_works":["https://openalex.org/W2772917594","https://openalex.org/W2036807459","https://openalex.org/W2058170566","https://openalex.org/W2755342338","https://openalex.org/W2166024367","https://openalex.org/W3116076068","https://openalex.org/W2229312674","https://openalex.org/W2951359407","https://openalex.org/W2079911747","https://openalex.org/W1969923398"],"abstract_inverted_index":{"Fingerprinting-based":[0],"localization":[1,11,171],"methods":[2],"relying":[3],"on":[4],"WiFi":[5],"and":[6,74,111,179],"GSM":[7],"information":[8],"provide":[9],"sufficient":[10],"accuracy":[12,183],"for":[13],"many":[14],"mobile":[15,139],"phone":[16],"applications.":[17],"Most":[18],"of":[19,28,49,60,65,79,85,91,115,119,145,151],"the":[20,63,86,89,96,113,152,170],"existing":[21],"approaches":[22],"require":[23,164],"a":[24,33,38,46,106,116,138,142],"training":[25,153],"set":[26,118,132,154],"consisting":[27],"geo-referenced":[29,120],"fingerprints":[30,51,93,121,150,176],"to":[31,53,95,123,156,181,185],"build":[32],"reference":[34],"database.":[35],"We":[36,166],"propose":[37],"collaborative,":[39],"semi-supervised":[40],"WiFi+GSM":[41],"fingerprinting":[42],"method":[43,82],"where":[44],"only":[45,162],"small":[47,117],"fraction":[48],"all":[50,149],"needs":[52],"be":[54,157],"geo-referenced.":[55],"Our":[56],"approach":[57],"enables":[58],"indexing":[59],"areas":[61],"in":[62,71],"absence":[64],"GPS":[66],"reception":[67],"as":[68,174],"often":[69],"found":[70],"urban":[72],"spaces":[73],"indoors":[75],"without":[76],"manual":[77],"labeling":[78],"fingerprints.":[80],"The":[81],"takes":[83],"advantage":[84],"characteristic":[87],"that":[88,134,169],"similarity":[90],"two":[92],"correlates":[94],"distance":[97],"between":[98],"their":[99],"corresponding":[100],"location.":[101],"By":[102],"applying":[103],"multidimensional":[104],"scaling,":[105],"topology":[107],"estimation":[108],"is":[109],"generated":[110],"with":[112,128,141,159],"help":[114],"anchored":[122],"physical":[124],"locations.":[125],"An":[126],"evaluation":[127],"an":[129,182],"urban-scale":[130],"data":[131],"shows":[133],"we":[135],"can":[136],"locate":[137],"device":[140],"median":[143],"error":[144,172],"30m.":[146],"While":[147],"normally":[148],"need":[155],"geo-referenced,":[158],"our":[160],"method,":[161],"8%":[163],"geo-referencing.":[165],"further":[167],"show":[168],"decreases":[173],"new":[175],"are":[177],"added":[178],"converges":[180],"comparable":[184],"related":[186],"work.":[187]},"counts_by_year":[{"year":2015,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}