{"id":"https://openalex.org/W1996461538","doi":"https://doi.org/10.4108/icst.mobiquitous2008.3991","title":"Determining user presence using context in a decentralized unified messaging system (IPAD-UMS)","display_name":"Determining user presence using context in a decentralized unified messaging system (IPAD-UMS)","publication_year":2008,"publication_date":"2008-01-01","ids":{"openalex":"https://openalex.org/W1996461538","doi":"https://doi.org/10.4108/icst.mobiquitous2008.3991","mag":"1996461538"},"language":"en","primary_location":{"id":"doi:10.4108/icst.mobiquitous2008.3991","is_oa":true,"landing_page_url":"https://doi.org/10.4108/icst.mobiquitous2008.3991","pdf_url":"http://eudl.eu/pdf/10.4108/ICST.MOBIQUITOUS2008.3991","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 5th International ICST Conference on Mobile and Ubiquitous Systems: Computing, Networking and Services","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"http://eudl.eu/pdf/10.4108/ICST.MOBIQUITOUS2008.3991","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5066995230","display_name":"Saguna","orcid":null},"institutions":[{"id":"https://openalex.org/I56590836","display_name":"Monash University","ror":"https://ror.org/02bfwt286","country_code":"AU","type":"education","lineage":["https://openalex.org/I56590836"]}],"countries":["AU"],"is_corresponding":true,"raw_author_name":"Saguna","raw_affiliation_strings":["Monash University, Caulfield East, Victoria, Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Monash University, Caulfield East, Victoria, Australia","institution_ids":["https://openalex.org/I56590836"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5071564719","display_name":"Prem Prakash Jayaraman","orcid":"https://orcid.org/0000-0003-4500-3443"},"institutions":[{"id":"https://openalex.org/I56590836","display_name":"Monash University","ror":"https://ror.org/02bfwt286","country_code":"AU","type":"education","lineage":["https://openalex.org/I56590836"]}],"countries":["AU"],"is_corresponding":true,"raw_author_name":"Prem Prakash Jayaraman","raw_affiliation_strings":["Monash University, Caulfield East, Victoria, Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Monash University, Caulfield East, Victoria, Australia","institution_ids":["https://openalex.org/I56590836"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5059424435","display_name":"Arkady Zaslavsky","orcid":"https://orcid.org/0000-0003-1990-5734"},"institutions":[{"id":"https://openalex.org/I56590836","display_name":"Monash University","ror":"https://ror.org/02bfwt286","country_code":"AU","type":"education","lineage":["https://openalex.org/I56590836"]}],"countries":["AU"],"is_corresponding":true,"raw_author_name":"Arkady Zaslavsky","raw_affiliation_strings":["Monash University, Caulfield East, Victoria, Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Monash University, Caulfield East, Victoria, Australia","institution_ids":["https://openalex.org/I56590836"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5059424435","https://openalex.org/A5066995230","https://openalex.org/A5071564719"],"corresponding_institution_ids":["https://openalex.org/I56590836"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0641066,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10444","display_name":"Context-Aware Activity Recognition Systems","score":0.9994999766349792,"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":0.9994999766349792,"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/T12801","display_name":"Bluetooth and Wireless Communication Technologies","score":0.9973999857902527,"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/T10080","display_name":"Energy Efficient Wireless Sensor Networks","score":0.9958000183105469,"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/umts-frequency-bands","display_name":"UMTS frequency bands","score":0.746951699256897},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6995332837104797},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.6634583473205566},{"id":"https://openalex.org/keywords/gsm","display_name":"GSM","score":0.6517151594161987},{"id":"https://openalex.org/keywords/ethernet","display_name":"Ethernet","score":0.5856767892837524},{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.5680533647537231}],"concepts":[{"id":"https://openalex.org/C101618186","wikidata":"https://www.wikidata.org/wiki/Q3633928","display_name":"UMTS frequency bands","level":2,"score":0.746951699256897},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6995332837104797},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.6634583473205566},{"id":"https://openalex.org/C59201141","wikidata":"https://www.wikidata.org/wiki/Q46904","display_name":"GSM","level":2,"score":0.6517151594161987},{"id":"https://openalex.org/C172173386","wikidata":"https://www.wikidata.org/wiki/Q79984","display_name":"Ethernet","level":2,"score":0.5856767892837524},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.5680533647537231},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","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}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.4108/icst.mobiquitous2008.3991","is_oa":true,"landing_page_url":"https://doi.org/10.4108/icst.mobiquitous2008.3991","pdf_url":"http://eudl.eu/pdf/10.4108/ICST.MOBIQUITOUS2008.3991","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 5th International ICST Conference on Mobile and Ubiquitous Systems: Computing, Networking and Services","raw_type":"proceedings-article"},{"id":"pmh:oai:DiVA.org:ltu-35226","is_oa":true,"landing_page_url":"http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-35226","pdf_url":null,"source":{"id":"https://openalex.org/S4306400653","display_name":"Diva portal (Dalarna University Library)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"info:eu-repo/semantics/conferenceObject"}],"best_oa_location":{"id":"doi:10.4108/icst.mobiquitous2008.3991","is_oa":true,"landing_page_url":"https://doi.org/10.4108/icst.mobiquitous2008.3991","pdf_url":"http://eudl.eu/pdf/10.4108/ICST.MOBIQUITOUS2008.3991","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 5th International ICST Conference on Mobile and Ubiquitous Systems: Computing, Networking and Services","raw_type":"proceedings-article"},"sustainable_development_goals":[{"score":0.6100000143051147,"id":"https://metadata.un.org/sdg/9","display_name":"Industry, innovation and infrastructure"}],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W1996461538.pdf","grobid_xml":"https://content.openalex.org/works/W1996461538.grobid-xml"},"referenced_works_count":4,"referenced_works":["https://openalex.org/W408961511","https://openalex.org/W2081191534","https://openalex.org/W2096836703","https://openalex.org/W2294069641"],"related_works":["https://openalex.org/W2330816391","https://openalex.org/W2129945940","https://openalex.org/W2117764549","https://openalex.org/W4234088189","https://openalex.org/W2127857393","https://openalex.org/W1978462898","https://openalex.org/W2545444790","https://openalex.org/W2080137210","https://openalex.org/W2127646046","https://openalex.org/W2078961610"],"abstract_inverted_index":{"UMS":[0],"can":[1],"be":[2],"described":[3],"as":[4,28,40],"a":[5,14],"system":[6],"that":[7],"allows":[8],"for":[9],"communication":[10,17],"between":[11],"users":[12],"via":[13],"number":[15],"of":[16],"technologies":[18,26],"over":[19],"heterogeneous":[20],"network":[21],"infrastructures[1].":[22],"It":[23],"integrates":[24],"networking":[25],"such":[27,39],"Ethernet,":[29],"ATM,":[30],"IEEE":[31],"802.11,":[32],"GSM":[33],"and":[34],"UMTS":[35],"alongwith":[36],"various":[37],"devices":[38],"laptops,":[41],"tab":[42]},"counts_by_year":[],"updated_date":"2026-07-30T17:31:21.811387","created_date":"2016-06-24T00:00:00"}
