{"id":"https://openalex.org/W2168106654","doi":"https://doi.org/10.1145/2724660.2724674","title":"Uncovering Trajectories of Informal Learning in Large Online Communities of Creators","display_name":"Uncovering Trajectories of Informal Learning in Large Online Communities of Creators","publication_year":2015,"publication_date":"2015-03-09","ids":{"openalex":"https://openalex.org/W2168106654","doi":"https://doi.org/10.1145/2724660.2724674","mag":"2168106654"},"language":"en","primary_location":{"id":"doi:10.1145/2724660.2724674","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2724660.2724674","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Second (2015) ACM Conference on Learning @ Scale","raw_type":"proceedings-article"},"type":"conference-paper","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/A5101416492","display_name":"Seungwon Yang","orcid":"https://orcid.org/0000-0003-4175-2316"},"institutions":[{"id":"https://openalex.org/I162714631","display_name":"George Mason University","ror":"https://ror.org/02jqj7156","country_code":"US","type":"education","lineage":["https://openalex.org/I162714631"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Seungwon Yang","raw_affiliation_strings":["George Mason University, Fairfax, VA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"George Mason University, Fairfax, VA, USA","institution_ids":["https://openalex.org/I162714631"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5090148962","display_name":"Carlotta Domeniconi","orcid":"https://orcid.org/0000-0003-2140-9596"},"institutions":[{"id":"https://openalex.org/I162714631","display_name":"George Mason University","ror":"https://ror.org/02jqj7156","country_code":"US","type":"education","lineage":["https://openalex.org/I162714631"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Carlotta Domeniconi","raw_affiliation_strings":["George Mason University, Fairfax, VA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"George Mason University, Fairfax, VA, USA","institution_ids":["https://openalex.org/I162714631"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5025567194","display_name":"Matt Revelle","orcid":"https://orcid.org/0000-0002-2952-9835"},"institutions":[{"id":"https://openalex.org/I162714631","display_name":"George Mason University","ror":"https://ror.org/02jqj7156","country_code":"US","type":"education","lineage":["https://openalex.org/I162714631"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Matt Revelle","raw_affiliation_strings":["George Mason University, Fairfax, VA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"George Mason University, Fairfax, VA, USA","institution_ids":["https://openalex.org/I162714631"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5088592451","display_name":"Mack Sweeney","orcid":null},"institutions":[{"id":"https://openalex.org/I162714631","display_name":"George Mason University","ror":"https://ror.org/02jqj7156","country_code":"US","type":"education","lineage":["https://openalex.org/I162714631"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Mack Sweeney","raw_affiliation_strings":["George Mason University, Fairfax, VA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"George Mason University, Fairfax, VA, USA","institution_ids":["https://openalex.org/I162714631"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5031503844","display_name":"Ben Gelman","orcid":"https://orcid.org/0000-0002-1184-4116"},"institutions":[{"id":"https://openalex.org/I162714631","display_name":"George Mason University","ror":"https://ror.org/02jqj7156","country_code":"US","type":"education","lineage":["https://openalex.org/I162714631"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Ben U. Gelman","raw_affiliation_strings":["George Mason University, Fairfax, VA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"George Mason University, Fairfax, VA, USA","institution_ids":["https://openalex.org/I162714631"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015831485","display_name":"Chris Beckley","orcid":null},"institutions":[{"id":"https://openalex.org/I162714631","display_name":"George Mason University","ror":"https://ror.org/02jqj7156","country_code":"US","type":"education","lineage":["https://openalex.org/I162714631"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Chris Beckley","raw_affiliation_strings":["George Mason University, Fairfax, VA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"George Mason University, Fairfax, VA, USA","institution_ids":["https://openalex.org/I162714631"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5056968920","display_name":"Aditya Johri","orcid":"https://orcid.org/0000-0001-9018-7574"},"institutions":[{"id":"https://openalex.org/I162714631","display_name":"George Mason University","ror":"https://ror.org/02jqj7156","country_code":"US","type":"education","lineage":["https://openalex.org/I162714631"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Aditya Johri","raw_affiliation_strings":["George Mason University, Fairfax, VA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"George Mason University, Fairfax, VA, USA","institution_ids":["https://openalex.org/I162714631"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I162714631"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":62,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"131","last_page":"140"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11122","display_name":"Online Learning and Analytics","score":0.9983999729156494,"subfield":{"id":"https://openalex.org/subfields/1706","display_name":"Computer Science Applications"},"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/T11122","display_name":"Online Learning and Analytics","score":0.9983999729156494,"subfield":{"id":"https://openalex.org/subfields/1706","display_name":"Computer Science Applications"},"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/T10636","display_name":"Innovative Teaching and Learning Methods","score":0.9891999959945679,"subfield":{"id":"https://openalex.org/subfields/3204","display_name":"Developmental and Educational Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T12171","display_name":"Open Education and E-Learning","score":0.9433000087738037,"subfield":{"id":"https://openalex.org/subfields/1706","display_name":"Computer Science Applications"},"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/computer-science","display_name":"Computer science","score":0.7427780628204346},{"id":"https://openalex.org/keywords/cluster-analysis","display_name":"Cluster analysis","score":0.6688024997711182},{"id":"https://openalex.org/keywords/informal-learning","display_name":"Informal learning","score":0.6001331806182861},{"id":"https://openalex.org/keywords/online-learning","display_name":"Online learning","score":0.585688591003418},{"id":"https://openalex.org/keywords/block","display_name":"Block (permutation group theory)","score":0.5728434324264526},{"id":"https://openalex.org/keywords/scratch","display_name":"Scratch","score":0.49347984790802},{"id":"https://openalex.org/keywords/human\u2013computer-interaction","display_name":"Human\u2013computer interaction","score":0.4441739022731781},{"id":"https://openalex.org/keywords/learning-community","display_name":"Learning community","score":0.4309818744659424},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.4164084196090698},{"id":"https://openalex.org/keywords/online-community","display_name":"Online community","score":0.41105154156684875},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.21624693274497986},{"id":"https://openalex.org/keywords/mathematics-education","display_name":"Mathematics education","score":0.13054496049880981}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7427780628204346},{"id":"https://openalex.org/C73555534","wikidata":"https://www.wikidata.org/wiki/Q622825","display_name":"Cluster analysis","level":2,"score":0.6688024997711182},{"id":"https://openalex.org/C2780198215","wikidata":"https://www.wikidata.org/wiki/Q361428","display_name":"Informal learning","level":2,"score":0.6001331806182861},{"id":"https://openalex.org/C2986087404","wikidata":"https://www.wikidata.org/wiki/Q15946010","display_name":"Online learning","level":2,"score":0.585688591003418},{"id":"https://openalex.org/C2777210771","wikidata":"https://www.wikidata.org/wiki/Q4927124","display_name":"Block (permutation group theory)","level":2,"score":0.5728434324264526},{"id":"https://openalex.org/C2781235140","wikidata":"https://www.wikidata.org/wiki/Q275131","display_name":"Scratch","level":2,"score":0.49347984790802},{"id":"https://openalex.org/C107457646","wikidata":"https://www.wikidata.org/wiki/Q207434","display_name":"Human\u2013computer interaction","level":1,"score":0.4441739022731781},{"id":"https://openalex.org/C39343751","wikidata":"https://www.wikidata.org/wiki/Q1040098","display_name":"Learning community","level":2,"score":0.4309818744659424},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.4164084196090698},{"id":"https://openalex.org/C2778165684","wikidata":"https://www.wikidata.org/wiki/Q6576792","display_name":"Online community","level":2,"score":0.41105154156684875},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.21624693274497986},{"id":"https://openalex.org/C145420912","wikidata":"https://www.wikidata.org/wiki/Q853077","display_name":"Mathematics education","level":1,"score":0.13054496049880981},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","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/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C19417346","wikidata":"https://www.wikidata.org/wiki/Q7922","display_name":"Pedagogy","level":1,"score":0.0},{"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:10.1145/2724660.2724674","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2724660.2724674","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Second (2015) ACM Conference on Learning @ Scale","raw_type":"proceedings-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.701.700","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.701.700","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://cs.gmu.edu/%7Ecarlotta/publications/LAS15.pdf","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G334598019","display_name":null,"funder_award_id":"DUE-1444277, EEC-1408674","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"}],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":23,"referenced_works":["https://openalex.org/W9228763","https://openalex.org/W134993268","https://openalex.org/W370442274","https://openalex.org/W1531085184","https://openalex.org/W1978394996","https://openalex.org/W2012265254","https://openalex.org/W2031352624","https://openalex.org/W2058199865","https://openalex.org/W2073349492","https://openalex.org/W2073459066","https://openalex.org/W2084944215","https://openalex.org/W2088700588","https://openalex.org/W2104366868","https://openalex.org/W2118020692","https://openalex.org/W2120640415","https://openalex.org/W2126344546","https://openalex.org/W2138228407","https://openalex.org/W2144211451","https://openalex.org/W2163145488","https://openalex.org/W2188679318","https://openalex.org/W2257451327","https://openalex.org/W3098118528","https://openalex.org/W4285719527"],"related_works":["https://openalex.org/W4240212325","https://openalex.org/W2739440361","https://openalex.org/W2952622176","https://openalex.org/W2098400036","https://openalex.org/W2483539048","https://openalex.org/W3171146262","https://openalex.org/W2486360676","https://openalex.org/W4286007756","https://openalex.org/W2502413963","https://openalex.org/W2602625874"],"abstract_inverted_index":{"We":[0,33,51,90],"analyzed":[1],"informal":[2,42,48,153],"learning":[3,49,59,86,154],"in":[4,53,120,171],"Scratch":[5],"Online":[6],"--":[7],"an":[8],"online":[9,169],"community":[10],"with":[11],"over":[12],"4.3":[13],"million":[14,18],"users":[15,70,95,116,128],"and":[16,44,87,119,142],"6.7":[17],"user-generated":[19],"content.":[20],"Users":[21],"develop":[22],"projects,":[23],"which":[24],"are":[25],"graphical":[26],"interfaces":[27],"involving":[28],"manipulation":[29],"of":[30,47,63,85,94,100,113,138,144,168],"programming":[31,65],"blocks.":[32],"investigated":[34],"two":[35,54],"fundamental":[36],"questions:":[37],"how":[38],"can":[39,164],"we":[40,57,78],"model":[41],"learning,":[43,101,133],"what":[45],"patterns":[46,84,99,146],"emerge.":[50],"proceeded":[52],"phases.":[55],"First,":[56],"modeled":[58],"as":[60],"a":[61,121],"trajectory":[62,145],"cumulative":[64],"block":[66],"usage":[67],"by":[68],"long-term":[69],"who":[71],"created":[72],"at":[73],"least":[74],"50":[75],"projects.":[76,139],"Second,":[77],"applied":[79],"K-means++":[80],"clustering":[81,143],"to":[82,106,150,158],"uncover":[83],"corresponding":[88],"subpopulations.":[89,177],"found":[91],"four":[92,97],"groups":[93],"manifesting":[96],"different":[98],"ranging":[102],"from":[103],"the":[104,107,114,125],"smallest":[105],"largest":[108],"improvement.":[109],"At":[110,124],"one":[111],"end":[112],"spectrum,":[115],"learned":[117],"more":[118],"faster":[122],"manner.":[123],"opposite":[126],"end,":[127],"did":[129],"not":[130],"show":[131],"much":[132],"even":[134],"after":[135],"creating":[136],"dozens":[137],"The":[140,162],"modeling":[141],"that":[147],"enabled":[148],"us":[149],"quantitatively":[151],"analyze":[152],"may":[155],"be":[156],"applicable":[157],"other":[159],"similar":[160],"communities.":[161],"results":[163],"also":[165],"support":[166],"administrators":[167],"communities":[170],"implementing":[172],"customized":[173],"interventions":[174],"for":[175],"specific":[176]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":5},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":13},{"year":2020,"cited_by_count":4},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":7},{"year":2017,"cited_by_count":8},{"year":2016,"cited_by_count":13},{"year":2015,"cited_by_count":1}],"updated_date":"2026-07-25T15:57:00.446498","created_date":"2025-10-10T00:00:00"}
