{"id":"https://openalex.org/W2130266969","doi":"https://doi.org/10.1007/s10115-014-0803-6","title":"A safe region based approach to moving KNN queries in obstructed space","display_name":"A safe region based approach to moving KNN queries in obstructed space","publication_year":2014,"publication_date":"2014-11-12","ids":{"openalex":"https://openalex.org/W2130266969","doi":"https://doi.org/10.1007/s10115-014-0803-6","mag":"2130266969"},"language":"en","primary_location":{"id":"doi:10.1007/s10115-014-0803-6","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s10115-014-0803-6","pdf_url":null,"source":{"id":"https://openalex.org/S81770430","display_name":"Knowledge and Information Systems","issn_l":"0219-1377","issn":["0219-1377","0219-3116"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Knowledge and Information 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/A5054016390","display_name":"Chuanwen Li","orcid":"https://orcid.org/0000-0002-2227-1296"},"institutions":[{"id":"https://openalex.org/I9224756","display_name":"Northeastern University","ror":"https://ror.org/03awzbc87","country_code":"CN","type":"education","lineage":["https://openalex.org/I9224756"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chuanwen Li","raw_affiliation_strings":["The School of Information Science and Engineering, Northeastern University, Shenyang, Liaoning, China","the School of Information Science and Engineering, Northeastern University, Shenyang China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The School of Information Science and Engineering, Northeastern University, Shenyang, Liaoning, China","institution_ids":["https://openalex.org/I9224756"]},{"raw_affiliation_string":"the School of Information Science and Engineering, Northeastern University, Shenyang China","institution_ids":["https://openalex.org/I9224756"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5013145169","display_name":"Yu Gu","orcid":"https://orcid.org/0000-0001-7422-6254"},"institutions":[{"id":"https://openalex.org/I9224756","display_name":"Northeastern University","ror":"https://ror.org/03awzbc87","country_code":"CN","type":"education","lineage":["https://openalex.org/I9224756"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Yu Gu","raw_affiliation_strings":["The School of Information Science and Engineering, Northeastern University, Shenyang, Liaoning, China","the School of Information Science and Engineering, Northeastern University, Shenyang China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The School of Information Science and Engineering, Northeastern University, Shenyang, Liaoning, China","institution_ids":["https://openalex.org/I9224756"]},{"raw_affiliation_string":"the School of Information Science and Engineering, Northeastern University, Shenyang China","institution_ids":["https://openalex.org/I9224756"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5022290876","display_name":"Jianzhong Qi","orcid":"https://orcid.org/0000-0001-6501-9050"},"institutions":[{"id":"https://openalex.org/I165779595","display_name":"The University of Melbourne","ror":"https://ror.org/01ej9dk98","country_code":"AU","type":"education","lineage":["https://openalex.org/I165779595"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Jianzhong Qi","raw_affiliation_strings":["The Department of Computing and Information Systems, University of Melbourne, Melbourne, VIC, 3052, Australia","The Department of Computing and Information Systems, University of Melbourne, Melbourne, Australia 3052#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The Department of Computing and Information Systems, University of Melbourne, Melbourne, VIC, 3052, Australia","institution_ids":["https://openalex.org/I165779595"]},{"raw_affiliation_string":"The Department of Computing and Information Systems, University of Melbourne, Melbourne, Australia 3052#TAB#","institution_ids":["https://openalex.org/I165779595"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100422092","display_name":"Rui Zhang","orcid":"https://orcid.org/0000-0002-8132-6250"},"institutions":[{"id":"https://openalex.org/I165779595","display_name":"The University of Melbourne","ror":"https://ror.org/01ej9dk98","country_code":"AU","type":"education","lineage":["https://openalex.org/I165779595"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Rui Zhang","raw_affiliation_strings":["The Department of Computing and Information Systems, University of Melbourne, Melbourne, VIC, 3052, Australia","The Department of Computing and Information Systems, University of Melbourne, Melbourne, Australia 3052#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The Department of Computing and Information Systems, University of Melbourne, Melbourne, VIC, 3052, Australia","institution_ids":["https://openalex.org/I165779595"]},{"raw_affiliation_string":"The Department of Computing and Information Systems, University of Melbourne, Melbourne, Australia 3052#TAB#","institution_ids":["https://openalex.org/I165779595"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5072406974","display_name":"Ge Yu","orcid":"https://orcid.org/0000-0002-3171-8889"},"institutions":[{"id":"https://openalex.org/I9224756","display_name":"Northeastern University","ror":"https://ror.org/03awzbc87","country_code":"CN","type":"education","lineage":["https://openalex.org/I9224756"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ge Yu","raw_affiliation_strings":["The School of Information Science and Engineering, Northeastern University, Shenyang, Liaoning, China","the School of Information Science and Engineering, Northeastern University, Shenyang China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The School of Information Science and Engineering, Northeastern University, Shenyang, Liaoning, China","institution_ids":["https://openalex.org/I9224756"]},{"raw_affiliation_string":"the School of Information Science and Engineering, Northeastern University, Shenyang China","institution_ids":["https://openalex.org/I9224756"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5013145169"],"corresponding_institution_ids":["https://openalex.org/I9224756"],"apc_list":{"value":2890,"currency":"USD","value_usd":2890},"apc_paid":null,"fwci":1.246,"has_fulltext":false,"cited_by_count":11,"citation_normalized_percentile":{"value":0.81698184,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"45","issue":"2","first_page":"417","last_page":"451"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11106","display_name":"Data Management and Algorithms","score":0.9995999932289124,"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"}},"topics":[{"id":"https://openalex.org/T11106","display_name":"Data Management and Algorithms","score":0.9995999932289124,"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/T11896","display_name":"Opportunistic and Delay-Tolerant Networks","score":0.9965000152587891,"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/T11269","display_name":"Algorithms and Data Compression","score":0.9945999979972839,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/space","display_name":"Space (punctuation)","score":0.5960678458213806},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5809107422828674},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3555721044540405},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.3507603406906128}],"concepts":[{"id":"https://openalex.org/C2778572836","wikidata":"https://www.wikidata.org/wiki/Q380933","display_name":"Space (punctuation)","level":2,"score":0.5960678458213806},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5809107422828674},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3555721044540405},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.3507603406906128},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1007/s10115-014-0803-6","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s10115-014-0803-6","pdf_url":null,"source":{"id":"https://openalex.org/S81770430","display_name":"Knowledge and Information Systems","issn_l":"0219-1377","issn":["0219-1377","0219-3116"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Knowledge and Information Systems","raw_type":"journal-article"},{"id":"pmh:oai:jupiter.its.unimelb.edu.au:11343/283289","is_oa":false,"landing_page_url":"http://hdl.handle.net/11343/283289","pdf_url":null,"source":{"id":"https://openalex.org/S4377196259","display_name":"Minerva Access (University of Melbourne)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I165779595","host_organization_name":"The University of Melbourne","host_organization_lineage":["https://openalex.org/I165779595"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/11","score":0.7699999809265137,"display_name":"Sustainable cities and communities"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":43,"referenced_works":["https://openalex.org/W18604067","https://openalex.org/W1526692684","https://openalex.org/W1543003006","https://openalex.org/W1573871485","https://openalex.org/W1864192352","https://openalex.org/W1964331783","https://openalex.org/W1969084565","https://openalex.org/W1969856465","https://openalex.org/W1983895674","https://openalex.org/W1994655805","https://openalex.org/W2001845525","https://openalex.org/W2006811187","https://openalex.org/W2014843742","https://openalex.org/W2033201493","https://openalex.org/W2036882171","https://openalex.org/W2051468257","https://openalex.org/W2096109431","https://openalex.org/W2100129294","https://openalex.org/W2101429492","https://openalex.org/W2117379916","https://openalex.org/W2119398588","https://openalex.org/W2138835817","https://openalex.org/W2146485383","https://openalex.org/W2149906774","https://openalex.org/W2151135734","https://openalex.org/W2151369660","https://openalex.org/W2154001101","https://openalex.org/W2155533773","https://openalex.org/W2156192173","https://openalex.org/W2157085119","https://openalex.org/W2160281147","https://openalex.org/W2161012437","https://openalex.org/W2165193650","https://openalex.org/W2166996142","https://openalex.org/W2169528473","https://openalex.org/W2292981139","https://openalex.org/W2494779131","https://openalex.org/W2911302472","https://openalex.org/W2997027240","https://openalex.org/W3041834803","https://openalex.org/W4206231591","https://openalex.org/W4239339957","https://openalex.org/W4251391716"],"related_works":["https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W2358668433","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W2382290278","https://openalex.org/W2478288626","https://openalex.org/W2350741829","https://openalex.org/W2530322880","https://openalex.org/W1596801655"],"abstract_inverted_index":null,"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":3},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":3}],"updated_date":"2026-08-08T01:25:22.217667","created_date":"2025-10-10T00:00:00"}