{"id":"https://openalex.org/W2782403262","doi":"https://doi.org/10.1186/s12911-017-0579-1","title":"Analyzing hidden populations online: topic, emotion, and social network of HIV-related users in the largest Chinese online community","display_name":"Analyzing hidden populations online: topic, emotion, and social network of HIV-related users in the largest Chinese online community","publication_year":2018,"publication_date":"2018-01-04","ids":{"openalex":"https://openalex.org/W2782403262","doi":"https://doi.org/10.1186/s12911-017-0579-1","mag":"2782403262","pmid":"https://pubmed.ncbi.nlm.nih.gov/29304788"},"language":"en","primary_location":{"id":"doi:10.1186/s12911-017-0579-1","is_oa":true,"landing_page_url":"https://doi.org/10.1186/s12911-017-0579-1","pdf_url":"https://bmcmedinformdecismak.biomedcentral.com/track/pdf/10.1186/s12911-017-0579-1","source":{"id":"https://openalex.org/S107516304","display_name":"BMC Medical Informatics and Decision Making","issn_l":"1472-6947","issn":["1472-6947"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310320256","host_organization_name":"BioMed Central","host_organization_lineage":["https://openalex.org/P4310320256","https://openalex.org/P4310319965"],"host_organization_lineage_names":["BioMed Central","Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"BMC Medical Informatics and Decision Making","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://bmcmedinformdecismak.biomedcentral.com/track/pdf/10.1186/s12911-017-0579-1","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5056884238","display_name":"Chuchu Liu","orcid":"https://orcid.org/0000-0001-9424-8266"},"institutions":[{"id":"https://openalex.org/I170215575","display_name":"National University of Defense Technology","ror":"https://ror.org/05d2yfz11","country_code":"CN","type":"education","lineage":["https://openalex.org/I170215575"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chuchu Liu","raw_affiliation_strings":["College of Information System and Management, National University of Defense Technology, Changsha, 410073, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Information System and Management, National University of Defense Technology, Changsha, 410073, China","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5032415518","display_name":"Xin L\u00fc","orcid":"https://orcid.org/0000-0002-3547-6493"},"institutions":[{"id":"https://openalex.org/I170215575","display_name":"National University of Defense Technology","ror":"https://ror.org/05d2yfz11","country_code":"CN","type":"education","lineage":["https://openalex.org/I170215575"]},{"id":"https://openalex.org/I204831749","display_name":"Southwestern University of Finance and Economics","ror":"https://ror.org/04ewct822","country_code":"CN","type":"education","lineage":["https://openalex.org/I204831749"]},{"id":"https://openalex.org/I28166907","display_name":"Karolinska Institutet","ror":"https://ror.org/056d84691","country_code":"SE","type":"education","lineage":["https://openalex.org/I28166907"]}],"countries":["CN","SE"],"is_corresponding":false,"raw_author_name":"Xin Lu","raw_affiliation_strings":["College of Information System and Management, National University of Defense Technology, Changsha, 410073, China. xin.lu@flowminder.org","Department of Public Health Sciences, Karolinska Institutet, 17 177, Stockholm, Sweden. xin.lu@flowminder.org","School of Business Administration, Southwestern University of Finance and Economics, Chengdu, 610074, China. xin.lu@flowminder.org","College of Information System and Management, National University of Defense Technology, Changsha, 410073, China"],"raw_orcid":"https://orcid.org/0000-0002-3547-6493","affiliations":[{"raw_affiliation_string":"College of Information System and Management, National University of Defense Technology, Changsha, 410073, China. xin.lu@flowminder.org","institution_ids":["https://openalex.org/I170215575"]},{"raw_affiliation_string":"Department of Public Health Sciences, Karolinska Institutet, 17 177, Stockholm, Sweden. xin.lu@flowminder.org","institution_ids":["https://openalex.org/I28166907"]},{"raw_affiliation_string":"School of Business Administration, Southwestern University of Finance and Economics, Chengdu, 610074, China. xin.lu@flowminder.org","institution_ids":["https://openalex.org/I204831749"]},{"raw_affiliation_string":"College of Information System and Management, National University of Defense Technology, Changsha, 410073, China","institution_ids":["https://openalex.org/I170215575"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":1570,"currency":"GBP","value_usd":1925},"apc_paid":{"value":1570,"currency":"GBP","value_usd":1925},"fwci":3.7431,"has_fulltext":true,"cited_by_count":48,"citation_normalized_percentile":{"value":0.9362522,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":"18","issue":"1","first_page":"2","last_page":"2"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11819","display_name":"Data-Driven Disease Surveillance","score":0.23019999265670776,"subfield":{"id":"https://openalex.org/subfields/2713","display_name":"Epidemiology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T11819","display_name":"Data-Driven Disease Surveillance","score":0.23019999265670776,"subfield":{"id":"https://openalex.org/subfields/2713","display_name":"Epidemiology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11860","display_name":"HIV, Drug Use, Sexual Risk","score":0.19990000128746033,"subfield":{"id":"https://openalex.org/subfields/2713","display_name":"Epidemiology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10082","display_name":"HIV/AIDS Research and Interventions","score":0.11289999634027481,"subfield":{"id":"https://openalex.org/subfields/2725","display_name":"Infectious Diseases"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/population","display_name":"Population","score":0.5311604738235474},{"id":"https://openalex.org/keywords/social-network","display_name":"Social network (sociolinguistics)","score":0.5140763521194458},{"id":"https://openalex.org/keywords/bar-chart","display_name":"Bar chart","score":0.491778165102005},{"id":"https://openalex.org/keywords/online-community","display_name":"Online community","score":0.4910542964935303},{"id":"https://openalex.org/keywords/sample","display_name":"Sample (material)","score":0.4865047335624695},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.48063817620277405},{"id":"https://openalex.org/keywords/the-internet","display_name":"The Internet","score":0.43571439385414124},{"id":"https://openalex.org/keywords/health-informatics","display_name":"Health informatics","score":0.4138632118701935},{"id":"https://openalex.org/keywords/internet-privacy","display_name":"Internet privacy","score":0.4111277163028717},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.3793184459209442},{"id":"https://openalex.org/keywords/data-science","display_name":"Data science","score":0.34306418895721436},{"id":"https://openalex.org/keywords/psychology","display_name":"Psychology","score":0.3297204375267029},{"id":"https://openalex.org/keywords/social-media","display_name":"Social media","score":0.3146684765815735},{"id":"https://openalex.org/keywords/public-health","display_name":"Public health","score":0.2993573546409607},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.27805155515670776},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.17507299780845642},{"id":"https://openalex.org/keywords/environmental-health","display_name":"Environmental health","score":0.12262481451034546}],"concepts":[{"id":"https://openalex.org/C2908647359","wikidata":"https://www.wikidata.org/wiki/Q2625603","display_name":"Population","level":2,"score":0.5311604738235474},{"id":"https://openalex.org/C4727928","wikidata":"https://www.wikidata.org/wiki/Q17164759","display_name":"Social network (sociolinguistics)","level":3,"score":0.5140763521194458},{"id":"https://openalex.org/C61122496","wikidata":"https://www.wikidata.org/wiki/Q1124595","display_name":"Bar chart","level":2,"score":0.491778165102005},{"id":"https://openalex.org/C2778165684","wikidata":"https://www.wikidata.org/wiki/Q6576792","display_name":"Online community","level":2,"score":0.4910542964935303},{"id":"https://openalex.org/C198531522","wikidata":"https://www.wikidata.org/wiki/Q485146","display_name":"Sample (material)","level":2,"score":0.4865047335624695},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.48063817620277405},{"id":"https://openalex.org/C110875604","wikidata":"https://www.wikidata.org/wiki/Q75","display_name":"The Internet","level":2,"score":0.43571439385414124},{"id":"https://openalex.org/C145642194","wikidata":"https://www.wikidata.org/wiki/Q870895","display_name":"Health informatics","level":3,"score":0.4138632118701935},{"id":"https://openalex.org/C108827166","wikidata":"https://www.wikidata.org/wiki/Q175975","display_name":"Internet privacy","level":1,"score":0.4111277163028717},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.3793184459209442},{"id":"https://openalex.org/C2522767166","wikidata":"https://www.wikidata.org/wiki/Q2374463","display_name":"Data science","level":1,"score":0.34306418895721436},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.3297204375267029},{"id":"https://openalex.org/C518677369","wikidata":"https://www.wikidata.org/wiki/Q202833","display_name":"Social media","level":2,"score":0.3146684765815735},{"id":"https://openalex.org/C138816342","wikidata":"https://www.wikidata.org/wiki/Q189603","display_name":"Public health","level":2,"score":0.2993573546409607},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.27805155515670776},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.17507299780845642},{"id":"https://openalex.org/C99454951","wikidata":"https://www.wikidata.org/wiki/Q932068","display_name":"Environmental health","level":1,"score":0.12262481451034546},{"id":"https://openalex.org/C159110408","wikidata":"https://www.wikidata.org/wiki/Q121176","display_name":"Nursing","level":1,"score":0.0},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"id":"https://openalex.org/C43617362","wikidata":"https://www.wikidata.org/wiki/Q170050","display_name":"Chromatography","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D002681","descriptor_name":"China","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D002681","descriptor_name":"China","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D002681","descriptor_name":"China","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008491","descriptor_name":"Medical Informatics Applications","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008491","descriptor_name":"Medical Informatics Applications","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008491","descriptor_name":"Medical Informatics Applications","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D015233","descriptor_name":"Models, Statistical","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D015233","descriptor_name":"Models, Statistical","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D015233","descriptor_name":"Models, Statistical","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D015658","descriptor_name":"HIV Infections","qualifier_ui":"Q000523","qualifier_name":"psychology","is_major_topic":true},{"descriptor_ui":"D015658","descriptor_name":"HIV Infections","qualifier_ui":"Q000523","qualifier_name":"psychology","is_major_topic":true},{"descriptor_ui":"D015658","descriptor_name":"HIV Infections","qualifier_ui":"Q000523","qualifier_name":"psychology","is_major_topic":true},{"descriptor_ui":"D060756","descriptor_name":"Social Networking","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D060756","descriptor_name":"Social Networking","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D060756","descriptor_name":"Social Networking","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D061108","descriptor_name":"Social Media","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D061108","descriptor_name":"Social Media","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D061108","descriptor_name":"Social Media","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D066264","descriptor_name":"Datasets as Topic","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D066264","descriptor_name":"Datasets as Topic","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D066264","descriptor_name":"Datasets as Topic","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true}],"locations_count":4,"locations":[{"id":"doi:10.1186/s12911-017-0579-1","is_oa":true,"landing_page_url":"https://doi.org/10.1186/s12911-017-0579-1","pdf_url":"https://bmcmedinformdecismak.biomedcentral.com/track/pdf/10.1186/s12911-017-0579-1","source":{"id":"https://openalex.org/S107516304","display_name":"BMC Medical Informatics and Decision Making","issn_l":"1472-6947","issn":["1472-6947"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310320256","host_organization_name":"BioMed Central","host_organization_lineage":["https://openalex.org/P4310320256","https://openalex.org/P4310319965"],"host_organization_lineage_names":["BioMed Central","Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"BMC Medical Informatics and Decision Making","raw_type":"journal-article"},{"id":"pmid:29304788","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/29304788","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"BMC medical informatics and decision making","raw_type":null},{"id":"pmh:oai:doaj.org/article:f2d477c241a54fa5ac9406f42374584a","is_oa":true,"landing_page_url":"https://doaj.org/article/f2d477c241a54fa5ac9406f42374584a","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","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":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"BMC Medical Informatics and Decision Making, Vol 18, Iss 1, Pp 1-10 (2018)","raw_type":"article"},{"id":"pmh:oai:pubmedcentral.nih.gov:5755307","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/5755307","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"BMC Med Inform Decis Mak","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.1186/s12911-017-0579-1","is_oa":true,"landing_page_url":"https://doi.org/10.1186/s12911-017-0579-1","pdf_url":"https://bmcmedinformdecismak.biomedcentral.com/track/pdf/10.1186/s12911-017-0579-1","source":{"id":"https://openalex.org/S107516304","display_name":"BMC Medical Informatics and Decision Making","issn_l":"1472-6947","issn":["1472-6947"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310320256","host_organization_name":"BioMed Central","host_organization_lineage":["https://openalex.org/P4310320256","https://openalex.org/P4310319965"],"host_organization_lineage_names":["BioMed Central","Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"BMC Medical Informatics and Decision Making","raw_type":"journal-article"},"sustainable_development_goals":[{"score":0.49000000953674316,"display_name":"Reduced inequalities","id":"https://metadata.un.org/sdg/10"},{"score":0.4699999988079071,"display_name":"Peace, Justice and strong institutions","id":"https://metadata.un.org/sdg/16"}],"awards":[{"id":"https://openalex.org/G2372033617","display_name":null,"funder_award_id":"71690233","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6609974567","display_name":"\u57fa\u4e8e\u5728\u7ebf\u7f51\u7edc\u793e\u533a\u7684\u96be\u63a5\u89e6\u4eba\u7fa4\u7279\u5f81\u6316\u6398\u53ca\u62bd\u6837\u5173\u952e\u6280\u672f\u7814\u7a76","funder_award_id":"71771213","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6782222568","display_name":null,"funder_award_id":"71725001","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7118192440","display_name":null,"funder_award_id":"71522014","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7426924815","display_name":"\u5927\u6570\u636e\u73af\u5883\u4e0b\u7684\u5fae\u89c2\u4fe1\u7528\u8bc4\u4ef7\u7406\u8bba\u4e0e\u65b9\u6cd5\u7814\u7a76","funder_award_id":"71731009","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8111144841","display_name":"\u57fa\u4e8e\u5927\u6570\u636e\u7684MSM\u827e\u6ecb\u75c5\u7ba1\u7406\u548c\u51b3\u7b56\u8303\u5f0f\u7814\u7a76","funder_award_id":"91546203","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320324787","display_name":"Peking University","ror":"https://ror.org/02v51f717"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2782403262.pdf","grobid_xml":"https://content.openalex.org/works/W2782403262.grobid-xml"},"referenced_works_count":52,"referenced_works":["https://openalex.org/W190299453","https://openalex.org/W404689695","https://openalex.org/W597796239","https://openalex.org/W1871820448","https://openalex.org/W1880262756","https://openalex.org/W1895023793","https://openalex.org/W1934799175","https://openalex.org/W1968380849","https://openalex.org/W1974190222","https://openalex.org/W1979012375","https://openalex.org/W1988939740","https://openalex.org/W1994574803","https://openalex.org/W1995561370","https://openalex.org/W1995996823","https://openalex.org/W2005624335","https://openalex.org/W2012335233","https://openalex.org/W2017319780","https://openalex.org/W2022545334","https://openalex.org/W2027060493","https://openalex.org/W2029918958","https://openalex.org/W2033198212","https://openalex.org/W2047699523","https://openalex.org/W2048382101","https://openalex.org/W2057814327","https://openalex.org/W2060464767","https://openalex.org/W2066092104","https://openalex.org/W2070516890","https://openalex.org/W2087547208","https://openalex.org/W2090464520","https://openalex.org/W2090612052","https://openalex.org/W2094244309","https://openalex.org/W2100163972","https://openalex.org/W2106626856","https://openalex.org/W2108770975","https://openalex.org/W2118745042","https://openalex.org/W2119422061","https://openalex.org/W2124209874","https://openalex.org/W2127048411","https://openalex.org/W2149910108","https://openalex.org/W2155328222","https://openalex.org/W2164713644","https://openalex.org/W2164998314","https://openalex.org/W2175110005","https://openalex.org/W2233997611","https://openalex.org/W2251541206","https://openalex.org/W2346917897","https://openalex.org/W2508797190","https://openalex.org/W2622162888","https://openalex.org/W2949547296","https://openalex.org/W2963085450","https://openalex.org/W3102641634","https://openalex.org/W6639619044"],"related_works":["https://openalex.org/W2990082492","https://openalex.org/W4394666121","https://openalex.org/W161164667","https://openalex.org/W3201724069","https://openalex.org/W2040641857","https://openalex.org/W2981366647","https://openalex.org/W4252804179","https://openalex.org/W2070664725","https://openalex.org/W2158146167","https://openalex.org/W4248915586"],"abstract_inverted_index":{"BACKGROUND:":[0],"Traditional":[1],"survey":[2],"methods":[3],"are":[4],"limited":[5],"in":[6,89,196,224,296],"the":[7,14,46,76,85,90,104,107,114,137,148,156,176,178,184,186,236],"study":[8],"of":[9,21,36,39,52,67,79,142,183,193,257,272],"hidden":[10,59,81,264],"populations":[11,60,265],"due":[12],"to":[13,16,74,111,124,165,230,244,289],"hard":[15],"access":[17],"properties,":[18],"including":[19],"lack":[20],"a":[22,80,100,245],"sampling":[23],"frame,":[24],"sensitivity":[25],"issue,":[26],"reporting":[27],"error,":[28],"small":[29],"sample":[30,63,268],"size,":[31],"etc.":[32],"The":[33,191],"rapid":[34],"increase":[35],"online":[37,91,143,280],"communities,":[38,155],"which":[40],"members":[41,161,182],"interact":[42],"with":[43,61,204,226,266],"others":[44],"via":[45],"Internet,":[47],"have":[48,253],"generated":[49,88,254],"large":[50],"amounts":[51,256],"data,":[53],"offering":[54,259],"new":[55,260],"opportunities":[56,261],"for":[57,118,247,262,282],"understanding":[58,263],"unprecedented":[62,267],"sizes":[64,269],"and":[65,131,140,146,233,270,285,293],"richness":[66,271],"information.":[68,273],"In":[69,153],"this":[70],"study,":[71],"we":[72,98,135],"try":[73],"understand":[75],"multidimensional":[77],"characteristics":[78],"population":[82,145],"by":[83],"analyzing":[84],"massive":[86],"data":[87,258],"community.":[92],"METHODS:":[93],"By":[94],"elaborately":[95],"designing":[96],"crawlers,":[97],"retrieved":[99],"complete":[101],"dataset":[102],"from":[103,121],"\"HIV":[105],"bar,\"":[106],"largest":[108],"bar":[109],"related":[110],"HIV":[112,144,154,220],"on":[113,235],"Baidu":[115],"Tieba":[116],"platform,":[117,239],"all":[119],"records":[120],"January":[122],"2005":[123],"August":[125],"2016.":[126],"Through":[127],"natural":[128],"language":[129],"processing":[130],"social":[132,179,237,294],"network":[133,149,166],"analysis,":[134],"explored":[136],"psychology,":[138],"behavior":[139],"demand":[141],"examined":[147],"community":[150,198,205],"structure.":[151],"RESULTS:":[152],"average":[157],"topic":[158],"similarity":[159],"among":[160],"is":[162,199,214,275],"positively":[163],"correlated":[164,203],"efficiency":[167],"(r":[168,207],"=":[169,208,211],"0.70,":[170],"p":[171,210],"<":[172],"0.001),":[173],"indicating":[174],"that":[175,216,277],"closer":[177],"distance":[180],"between":[181],"community,":[185],"more":[187],"similar":[188],"their":[189],"topics.":[190],"proportion":[192],"negative":[194],"users":[195,217],"each":[197],"around":[200],"60%,":[201],"weakly":[202],"size":[206],"0.25,":[209],"0.002).":[212],"It":[213,274],"found":[215],"suspecting":[218],"initial":[219],"infection":[221],"or":[222],"first":[223],"contact":[225],"high-risk":[227],"behaviors":[228],"tend":[229],"seek":[231],"help":[232],"advice":[234],"networking":[238],"rather":[240],"than":[241],"immediately":[242],"going":[243],"hospital":[246],"blood":[248],"tests.":[249],"CONCLUSIONS:":[250],"Online":[251],"communities":[252],"copious":[255],"recommended":[276],"support":[278],"through":[279],"services":[281],"HIV/AIDS":[283],"consultation":[284],"diagnosis":[286],"be":[287],"improved":[288],"avoid":[290],"privacy":[291],"concerns":[292],"discrimination":[295],"China.":[297]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":6},{"year":2023,"cited_by_count":5},{"year":2022,"cited_by_count":10},{"year":2021,"cited_by_count":9},{"year":2020,"cited_by_count":11},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}