{"id":"https://openalex.org/W2029128195","doi":"https://doi.org/10.1145/2063576.2063912","title":"Spectral analysis of a blogosphere","display_name":"Spectral analysis of a blogosphere","publication_year":2011,"publication_date":"2011-10-24","ids":{"openalex":"https://openalex.org/W2029128195","doi":"https://doi.org/10.1145/2063576.2063912","mag":"2029128195"},"language":"en","primary_location":{"id":"doi:10.1145/2063576.2063912","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2063576.2063912","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 20th ACM international conference on Information and knowledge management","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/A5100656150","display_name":"Sang\u2010Wook Kim","orcid":"https://orcid.org/0000-0002-6345-9084"},"institutions":[{"id":"https://openalex.org/I4575257","display_name":"Hanyang University","ror":"https://ror.org/046865y68","country_code":"KR","type":"education","lineage":["https://openalex.org/I4575257"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Sang-Wook Kim","raw_affiliation_strings":["Hanyang University, Seoul, South Korea"],"affiliations":[{"raw_affiliation_string":"Hanyang University, Seoul, South Korea","institution_ids":["https://openalex.org/I4575257"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101096896","display_name":"Kinam Kim","orcid":null},"institutions":[{"id":"https://openalex.org/I4575257","display_name":"Hanyang University","ror":"https://ror.org/046865y68","country_code":"KR","type":"education","lineage":["https://openalex.org/I4575257"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Ki-Nam Kim","raw_affiliation_strings":["Hanyang University, Seoul, South Korea"],"affiliations":[{"raw_affiliation_string":"Hanyang University, Seoul, South Korea","institution_ids":["https://openalex.org/I4575257"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5035605036","display_name":"Christos Faloutsos","orcid":"https://orcid.org/0000-0003-2996-9790"},"institutions":[{"id":"https://openalex.org/I74973139","display_name":"Carnegie Mellon University","ror":"https://ror.org/05x2bcf33","country_code":"US","type":"education","lineage":["https://openalex.org/I74973139"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Christos Faloutsos","raw_affiliation_strings":["Carnegie Mellon University, Pittsburgh, PA, USA","Carnegie-Mellon University, Pittsburgh, Pa., USA#TAB#"],"affiliations":[{"raw_affiliation_string":"Carnegie Mellon University, Pittsburgh, PA, USA","institution_ids":["https://openalex.org/I74973139"]},{"raw_affiliation_string":"Carnegie-Mellon University, Pittsburgh, Pa., USA#TAB#","institution_ids":["https://openalex.org/I74973139"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5054928710","display_name":"Lee Joon-Ho","orcid":null},"institutions":[{"id":"https://openalex.org/I4210147982","display_name":"NHN (South Korea)","ror":"https://ror.org/03x1nzy67","country_code":"KR","type":"company","lineage":["https://openalex.org/I4210147982"]},{"id":"https://openalex.org/I60922564","display_name":"Naver (South Korea)","ror":"https://ror.org/04nzrnx83","country_code":"KR","type":"company","lineage":["https://openalex.org/I60922564"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Joon-Ho Lee","raw_affiliation_strings":["NHN Corp., Seongnam, South Korea","NHN Corp., SeongNam, South Korea"],"affiliations":[{"raw_affiliation_string":"NHN Corp., Seongnam, South Korea","institution_ids":["https://openalex.org/I4210147982"]},{"raw_affiliation_string":"NHN Corp., SeongNam, South Korea","institution_ids":["https://openalex.org/I60922564"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5100656150"],"corresponding_institution_ids":["https://openalex.org/I4575257"],"apc_list":null,"apc_paid":null,"fwci":0.1416,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.43425076,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"2145","last_page":"2148"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12303","display_name":"Tensor decomposition and applications","score":0.9937000274658203,"subfield":{"id":"https://openalex.org/subfields/2605","display_name":"Computational Mathematics"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T12303","display_name":"Tensor decomposition and applications","score":0.9937000274658203,"subfield":{"id":"https://openalex.org/subfields/2605","display_name":"Computational Mathematics"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11447","display_name":"Blind Source Separation Techniques","score":0.9596999883651733,"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/T10064","display_name":"Complex Network Analysis Techniques","score":0.9581999778747559,"subfield":{"id":"https://openalex.org/subfields/3109","display_name":"Statistical and Nonlinear Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/blogosphere","display_name":"Blogosphere","score":0.9973626136779785},{"id":"https://openalex.org/keywords/singular-value-decomposition","display_name":"Singular value decomposition","score":0.7180423140525818},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5650013089179993},{"id":"https://openalex.org/keywords/decomposition","display_name":"Decomposition","score":0.5574653744697571},{"id":"https://openalex.org/keywords/matrix-decomposition","display_name":"Matrix decomposition","score":0.46928510069847107},{"id":"https://openalex.org/keywords/tensor-decomposition","display_name":"Tensor decomposition","score":0.46523040533065796},{"id":"https://openalex.org/keywords/matrix","display_name":"Matrix (chemical analysis)","score":0.42057961225509644},{"id":"https://openalex.org/keywords/tensor","display_name":"Tensor (intrinsic definition)","score":0.3409586250782013},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.21912267804145813},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.21901270747184753},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.1521366536617279},{"id":"https://openalex.org/keywords/the-internet","display_name":"The Internet","score":0.10603448748588562},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.10367098450660706},{"id":"https://openalex.org/keywords/materials-science","display_name":"Materials science","score":0.057511478662490845}],"concepts":[{"id":"https://openalex.org/C2779661781","wikidata":"https://www.wikidata.org/wiki/Q374132","display_name":"Blogosphere","level":3,"score":0.9973626136779785},{"id":"https://openalex.org/C22789450","wikidata":"https://www.wikidata.org/wiki/Q420904","display_name":"Singular value decomposition","level":2,"score":0.7180423140525818},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5650013089179993},{"id":"https://openalex.org/C124681953","wikidata":"https://www.wikidata.org/wiki/Q339062","display_name":"Decomposition","level":2,"score":0.5574653744697571},{"id":"https://openalex.org/C42355184","wikidata":"https://www.wikidata.org/wiki/Q1361088","display_name":"Matrix decomposition","level":3,"score":0.46928510069847107},{"id":"https://openalex.org/C2986737658","wikidata":"https://www.wikidata.org/wiki/Q30103009","display_name":"Tensor decomposition","level":3,"score":0.46523040533065796},{"id":"https://openalex.org/C106487976","wikidata":"https://www.wikidata.org/wiki/Q685816","display_name":"Matrix (chemical analysis)","level":2,"score":0.42057961225509644},{"id":"https://openalex.org/C155281189","wikidata":"https://www.wikidata.org/wiki/Q3518150","display_name":"Tensor (intrinsic definition)","level":2,"score":0.3409586250782013},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.21912267804145813},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.21901270747184753},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.1521366536617279},{"id":"https://openalex.org/C110875604","wikidata":"https://www.wikidata.org/wiki/Q75","display_name":"The Internet","level":2,"score":0.10603448748588562},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.10367098450660706},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.057511478662490845},{"id":"https://openalex.org/C158693339","wikidata":"https://www.wikidata.org/wiki/Q190524","display_name":"Eigenvalues and eigenvectors","level":2,"score":0.0},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","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},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.0},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/2063576.2063912","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2063576.2063912","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 20th ACM international conference on Information and knowledge management","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320322120","display_name":"National Research Foundation of Korea","ror":"https://ror.org/013aysd81"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W1489677531","https://openalex.org/W1606050636","https://openalex.org/W1964411685","https://openalex.org/W1964702110","https://openalex.org/W2021888117","https://openalex.org/W2024165284","https://openalex.org/W2031024598","https://openalex.org/W2108614537","https://openalex.org/W2119036498","https://openalex.org/W2148039410","https://openalex.org/W2151118940","https://openalex.org/W3099514962","https://openalex.org/W3145074154","https://openalex.org/W6636280011"],"related_works":["https://openalex.org/W2782904003","https://openalex.org/W4226434912","https://openalex.org/W2118633810","https://openalex.org/W2766870359","https://openalex.org/W2150953077","https://openalex.org/W4292636185","https://openalex.org/W2002598339","https://openalex.org/W2050785904","https://openalex.org/W2920931670","https://openalex.org/W2136348949"],"abstract_inverted_index":{"A":[0],"blogosphere":[1,24],"is":[2],"a":[3,18,22,26,29,56],"representative":[4],"example":[5],"of":[6,17,52,79],"online":[7],"social":[8],"networks.":[9],"In":[10],"this":[11],"paper,":[12],"we":[13],"address":[14],"spectral":[15],"analysis":[16],"blogosphere.":[19],"We":[20],"model":[21],"real-world":[23],"as":[25],"matrix":[27],"and":[28,31,39,59,64,100],"tensor,":[30],"then":[32],"analyze":[33],"it":[34],"by":[35],"using":[36],"the":[37,44,46,83,86,91,97],"SVD":[38,47],"PARAFAC":[40,71,87],"decomposition.":[41],"According":[42],"to":[43,96],"results,":[45],"successfully":[48],"identified":[49],"communities,":[50],"each":[51,68,105],"which":[53],"focuses":[54],"on":[55],"specific":[57],"topic,":[58],"also":[60,73],"found":[61],"hub":[62,98],"blogs":[63,99],"authoritative":[65,101],"posts":[66,102],"within":[67],"community.":[69,106],"The":[70],"decomposition":[72,88],"succeeded":[74],"in":[75,94,104],"extracting":[76],"more":[77],"communities":[78],"finer":[80],"granules":[81],"than":[82],"SVD.":[84],"Also,":[85],"could":[89],"identify":[90],"dominant":[92],"keywords":[93],"addition":[95],"honored":[103]},"counts_by_year":[{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
