{"id":"https://openalex.org/W61875180","doi":null,"title":"Dimensionality reduction algorithms with applications to collaborative data and images","display_name":"Dimensionality reduction algorithms with applications to collaborative data and images","publication_year":2008,"publication_date":"2008-01-01","ids":{"openalex":"https://openalex.org/W61875180","mag":"61875180"},"language":"en","primary_location":{"id":"mag:61875180","doi":null,"is_oa":false,"landing_page_url":"http://dl.acm.org/citation.cfm?id=1571568","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null},"volume":null,"type":"article","is_traditional":true,"indexed_in":[],"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/A5091230938","display_name":"Christian Robert Shelton","orcid":"https://orcid.org/0000-0001-6698-7838","observed_orcids":["https://orcid.org/0000-0001-6698-7838"]},"institutions":[{"id":"https://openalex.org/I103635307","display_name":"University of California, Riverside","ror":"https://ror.org/03nawhv43","country_code":"US","type":"education","lineage":["https://openalex.org/I103635307"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Christian R. Shelton","raw_affiliation_strings":["University of California, Riverside"],"raw_orcid":"https://orcid.org/0000-0001-6698-7838","affiliations":[{"raw_affiliation_string":"University of California, Riverside","institution_ids":["https://openalex.org/I103635307"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5073368242","display_name":"Guobiao Mei","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I103635307","display_name":"University of California, Riverside","ror":"https://ror.org/03nawhv43","country_code":"US","type":"education","lineage":["https://openalex.org/I103635307"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Guobiao Mei","raw_affiliation_strings":["University of California, Riverside"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of California, Riverside","institution_ids":["https://openalex.org/I103635307"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I103635307"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.00599049,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"106","last_page":"106"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10057","display_name":"Face and Expression Recognition","score":0.8711000084877014,"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/T10057","display_name":"Face and Expression Recognition","score":0.8711000084877014,"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/T10203","display_name":"Recommender Systems and Techniques","score":0.021700000390410423,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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/T11612","display_name":"Stochastic Gradient Optimization Techniques","score":0.010999999940395355,"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/dimensionality-reduction","display_name":"dimensionality reduction","score":0.9990000128746033},{"id":"https://openalex.org/keywords/collaborative-filtering","display_name":"collaborative filtering","score":0.8930000066757202},{"id":"https://openalex.org/keywords/bayesian-networks","display_name":"Bayesian networks","score":0.7350000143051147},{"id":"https://openalex.org/keywords/loopy-belief-propagation","display_name":"loopy belief propagation","score":0.9829999804496765},{"id":"https://openalex.org/keywords/embeddings","display_name":"embeddings","score":0.34299999475479126},{"id":"https://openalex.org/keywords/image-embeddings","display_name":"image embeddings","score":0.7170000076293945},{"id":"https://openalex.org/keywords/sift-features","display_name":"SIFT features","score":0.5730000138282776},{"id":"https://openalex.org/keywords/manifold-learning","display_name":"manifold learning","score":0.5870000123977661},{"id":"https://openalex.org/keywords/image-visualization","display_name":"image visualization","score":0.375},{"id":"https://openalex.org/keywords/markov-chain-monte-carlo","display_name":"Markov chain Monte Carlo","score":0.7120000123977661},{"id":"https://openalex.org/keywords/expectation-maximization-algorithm","display_name":"expectation-maximization algorithm","score":0.9079999923706055}],"concepts":[{"id":"https://openalex.org/C70518039","wikidata":"https://www.wikidata.org/wiki/Q16000077","display_name":"Dimensionality reduction","level":2,"score":0.7417246103286743},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7322245836257935},{"id":"https://openalex.org/C21569690","wikidata":"https://www.wikidata.org/wiki/Q94702","display_name":"Collaborative filtering","level":3,"score":0.5862579941749573},{"id":"https://openalex.org/C41608201","wikidata":"https://www.wikidata.org/wiki/Q980509","display_name":"Embedding","level":2,"score":0.49793505668640137},{"id":"https://openalex.org/C36464697","wikidata":"https://www.wikidata.org/wiki/Q451553","display_name":"Visualization","level":2,"score":0.48991626501083374},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4883096218109131},{"id":"https://openalex.org/C73555534","wikidata":"https://www.wikidata.org/wiki/Q622825","display_name":"Cluster analysis","level":2,"score":0.4844051003456116},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.4695010185241699},{"id":"https://openalex.org/C151876577","wikidata":"https://www.wikidata.org/wiki/Q7049464","display_name":"Nonlinear dimensionality reduction","level":3,"score":0.43607085943222046},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.3747062385082245},{"id":"https://openalex.org/C557471498","wikidata":"https://www.wikidata.org/wiki/Q554950","display_name":"Recommender system","level":2,"score":0.2329564094543457}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:61875180","doi":null,"is_oa":false,"landing_page_url":"http://dl.acm.org/citation.cfm?id=1571568","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":54,"referenced_works":["https://openalex.org/W175014186","https://openalex.org/W1560512119","https://openalex.org/W1561981064","https://openalex.org/W1566045017","https://openalex.org/W1587720067","https://openalex.org/W1630331242","https://openalex.org/W1718512272","https://openalex.org/W1924689489","https://openalex.org/W1929593512","https://openalex.org/W1976618413","https://openalex.org/W1993436046","https://openalex.org/W1994234501","https://openalex.org/W1995875735","https://openalex.org/W1999432334","https://openalex.org/W2001141328","https://openalex.org/W2020480318","https://openalex.org/W2020999234","https://openalex.org/W2024060531","https://openalex.org/W2026962484","https://openalex.org/W2042281163","https://openalex.org/W2049073556","https://openalex.org/W2049455633","https://openalex.org/W2049633694","https://openalex.org/W2053186076","https://openalex.org/W2056760934","https://openalex.org/W2063532964","https://openalex.org/W2096680898","https://openalex.org/W2108333036","https://openalex.org/W2109992782","https://openalex.org/W2110325612","https://openalex.org/W2113722675","https://openalex.org/W2117354486","https://openalex.org/W2124379907","https://openalex.org/W2130416410","https://openalex.org/W2136944193","https://openalex.org/W2140095548","https://openalex.org/W2145862222","https://openalex.org/W2149607072","https://openalex.org/W2151103935","https://openalex.org/W2155904486","https://openalex.org/W2156401795","https://openalex.org/W2156838815","https://openalex.org/W2160555926","https://openalex.org/W2161632986","https://openalex.org/W2163364417","https://openalex.org/W2165874743","https://openalex.org/W2166468440","https://openalex.org/W2169757306","https://openalex.org/W2171849943","https://openalex.org/W2173497437","https://openalex.org/W2294798173","https://openalex.org/W2567948266","https://openalex.org/W2951121243","https://openalex.org/W3013880646"],"related_works":["https://openalex.org/W1485711990","https://openalex.org/W7097258203","https://openalex.org/W2271465722","https://openalex.org/W2667666337","https://openalex.org/W2079211475","https://openalex.org/W2003920207","https://openalex.org/W2963990429","https://openalex.org/W3193524270","https://openalex.org/W2530695122","https://openalex.org/W7099207604"],"abstract_inverted_index":{"General":[0],"dimensionality":[1],"reduction":[2,241],"techniques":[3],"play":[4],"important":[5],"roles":[6],"in":[7,10,25,111,118,140,294,304],"various":[8],"fields":[9],"machine":[11],"learning.":[12,238],"As":[13],"a":[14,36,82,176,196,205,222,227,305],"well":[15],"studied":[16],"problem,":[17],"many":[18,310],"existing":[19],"algorithms":[20,242],"have":[21,155],"achieved":[22],"wide":[23,228],"success":[24],"specific":[26],"fields.":[27],"In":[28,77,106],"this":[29,33,78,173,256],"work,":[30,79],"we":[31,80,108,266],"view":[32],"problem":[34,113,174],"from":[35,164],"different":[37],"viewpoint.":[38],"\r\nWe":[39,207],"first":[40],"focuses":[41,65],"on":[42,66,281],"collaborative":[43,89,120],"data,":[44,90],"which":[45,199],"consist":[46],"of":[47,53,59,73,99,114,124,133,204,230,261,275],"ratings":[48,70],"relating":[49],"two":[50],"distinct":[51],"sets":[52],"objects:":[54],"users":[55,74,135,150],"and":[56,75,91,102,136,161,181,187,234],"items.":[57,76],"Much":[58],"the":[60,88,100,112,116,119,125,134,141,202,210,245,249,272,302],"work":[61],"with":[62],"such":[63],"data":[64],"filtering:":[67],"predicting":[68],"unknown":[69],"for":[71,236,309],"pairs":[72],"propose":[81],"well-structured":[83],"Bayesian":[84,179],"network":[85,101,180],"to":[86,96,130,148,190,200,213,216,254,270],"model":[87],"employ":[92,182],"loopy":[93],"belief":[94],"propogation":[95],"estimate":[97],"parameters":[98],"perform":[103],"filtering":[104],"tasks.":[105,312],"addition,":[107],"are":[109],"interested":[110],"visualizing":[115],"information":[117],"data.":[121],"Given":[122],"all":[123,132],"ratings,":[126],"our":[127,268,295],"task":[128],"is":[129],"embed":[131,217,301],"items":[137,152],"as":[138,175],"points":[139],"same":[142],"Euclidean":[143],"space.":[144],"We":[145,171,194,289],"would":[146,158,167],"like":[147],"place":[149],"near":[151],"that":[153,244],"they":[154,166],"rated":[156],"(or":[157],"rate)":[159],"high,":[160],"far":[162],"away":[163],"those":[165],"give":[168],"low":[169,223],"ratings.":[170],"pose":[172],"real-valued":[177],"non-linear":[178],"Markov":[183],"chain":[184],"Monte":[185],"Carlo":[186],"expectation":[188],"maximization":[189],"find":[191],"an":[192],"embedding.":[193,296],"present":[195],"metric":[197],"by":[198],"judge":[201],"quality":[203],"visualization.":[206],"then":[208],"extend":[209,267],"visualization":[211,311],"framework":[212,269],"images,":[214],"specifically":[215],"images.":[218],"Embedding":[219],"images":[220,263,303],"into":[221],"dimensional":[224],"space":[225],"has":[226],"range":[229],"applications:":[231],"visualization,":[232],"clustering,":[233],"preprocessing":[235],"supervised":[237],"Traditional":[239],"dimension":[240],"assume":[243],"examples":[246],"densely":[247],"populate":[248],"manifold.":[250],"Image":[251],"databases":[252],"tend":[253],"break":[255],"assumption,":[257],"having":[258],"isolated":[259],"islands":[260],"similar":[262],"instead.":[264],"Here":[265],"achieve":[271],"embedding":[273],"goal":[274],"preserving":[276],"local":[277],"image":[278],"similarities":[279],"based":[280],"their":[282],"scale":[283],"invariant":[284],"feature":[285],"transform":[286],"(SIFT)":[287],"vectors.":[288],"make":[290],"no":[291],"neighborhood":[292],"assumptions":[293],"Our":[297],"algorithm":[298],"can":[299],"also":[300],"discrete":[306],"grid,":[307],"useful":[308]},"counts_by_year":[],"updated_date":"2026-10-17T09:40:24.721904","created_date":"2016-06-24T00:00:00"}