{"id":"https://openalex.org/W2074443215","doi":"https://doi.org/10.1145/1562877.1563042","title":"Visual examples of recursion","display_name":"Visual examples of recursion","publication_year":2009,"publication_date":"2009-07-06","ids":{"openalex":"https://openalex.org/W2074443215","doi":"https://doi.org/10.1145/1562877.1563042","mag":"2074443215"},"language":"en","primary_location":{"id":"doi:10.1145/1562877.1563042","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1562877.1563042","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 14th annual ACM SIGCSE conference on Innovation and technology in computer science education","raw_type":"proceedings-article"},"type":"conference-abstract","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/A5029570266","display_name":"Ben Stephenson","orcid":"https://orcid.org/0000-0001-9402-3024"},"institutions":[{"id":"https://openalex.org/I168635309","display_name":"University of Calgary","ror":"https://ror.org/03yjb2x39","country_code":"CA","type":"education","lineage":["https://openalex.org/I168635309"]}],"countries":["CA"],"is_corresponding":true,"raw_author_name":"Ben Stephenson","raw_affiliation_strings":["University of Calgary, Calgary, AB, Canada","University of Calgary; Calgary; AB; Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Calgary, Calgary, AB, Canada","institution_ids":["https://openalex.org/I168635309"]},{"raw_affiliation_string":"University of Calgary; Calgary; AB; Canada","institution_ids":["https://openalex.org/I168635309"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5029570266"],"corresponding_institution_ids":["https://openalex.org/I168635309"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"400","last_page":"400"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10533","display_name":"Teaching and Learning Programming","score":0.9957000017166138,"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/T10533","display_name":"Teaching and Learning Programming","score":0.9957000017166138,"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/T10731","display_name":"Educational Games and Gamification","score":0.9556999802589417,"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/T10636","display_name":"Innovative Teaching and Learning Methods","score":0.9480999708175659,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/recursion","display_name":"Recursion (computer science)","score":0.9586919546127319},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6923159956932068},{"id":"https://openalex.org/keywords/mutual-recursion","display_name":"Mutual recursion","score":0.5842141509056091},{"id":"https://openalex.org/keywords/double-recursion","display_name":"Double recursion","score":0.5402353405952454},{"id":"https://openalex.org/keywords/range","display_name":"Range (aeronautics)","score":0.5220180153846741},{"id":"https://openalex.org/keywords/algebra-over-a-field","display_name":"Algebra over a field","score":0.47785136103630066},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.4625932574272156},{"id":"https://openalex.org/keywords/curriculum","display_name":"Curriculum","score":0.42425522208213806},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.3717237710952759},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.24678301811218262},{"id":"https://openalex.org/keywords/pure-mathematics","display_name":"Pure mathematics","score":0.19248437881469727},{"id":"https://openalex.org/keywords/sociology","display_name":"Sociology","score":0.08519092202186584},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.057144761085510254}],"concepts":[{"id":"https://openalex.org/C168773036","wikidata":"https://www.wikidata.org/wiki/Q264164","display_name":"Recursion (computer science)","level":2,"score":0.9586919546127319},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6923159956932068},{"id":"https://openalex.org/C124416688","wikidata":"https://www.wikidata.org/wiki/Q3454656","display_name":"Mutual recursion","level":3,"score":0.5842141509056091},{"id":"https://openalex.org/C139503435","wikidata":"https://www.wikidata.org/wiki/Q5300083","display_name":"Double recursion","level":3,"score":0.5402353405952454},{"id":"https://openalex.org/C204323151","wikidata":"https://www.wikidata.org/wiki/Q905424","display_name":"Range (aeronautics)","level":2,"score":0.5220180153846741},{"id":"https://openalex.org/C136119220","wikidata":"https://www.wikidata.org/wiki/Q1000660","display_name":"Algebra over a field","level":2,"score":0.47785136103630066},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.4625932574272156},{"id":"https://openalex.org/C47177190","wikidata":"https://www.wikidata.org/wiki/Q207137","display_name":"Curriculum","level":2,"score":0.42425522208213806},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.3717237710952759},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.24678301811218262},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.19248437881469727},{"id":"https://openalex.org/C144024400","wikidata":"https://www.wikidata.org/wiki/Q21201","display_name":"Sociology","level":0,"score":0.08519092202186584},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.057144761085510254},{"id":"https://openalex.org/C19417346","wikidata":"https://www.wikidata.org/wiki/Q7922","display_name":"Pedagogy","level":1,"score":0.0},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/1562877.1563042","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1562877.1563042","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 14th annual ACM SIGCSE conference on Innovation and technology in computer science education","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/4","display_name":"Quality Education","score":0.8399999737739563}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2006836388","https://openalex.org/W2896379815","https://openalex.org/W2155605358","https://openalex.org/W2374742784","https://openalex.org/W223586891","https://openalex.org/W1563586960","https://openalex.org/W560887346","https://openalex.org/W1509114718","https://openalex.org/W4246540581","https://openalex.org/W2065302945"],"abstract_inverted_index":{"Because":[0],"recursion":[1,31,39],"is":[2,21],"generally":[3],"introduced":[4],"early":[5],"in":[6,40],"the":[7,9,36,50],"curriculum,":[8],"range":[10],"of":[11,38,52],"problems":[12,28],"that":[13,29],"can":[14],"be":[15],"used":[16],"to":[17],"motivate":[18],"its":[19],"study":[20],"limited.":[22],"We":[23],"describe":[24],"three":[25],"interesting":[26],"visual":[27],"use":[30],"effectively.":[32],"Each":[33],"problem":[34],"demonstrates":[35],"utility":[37],"an":[41],"engaging":[42],"way":[43],"while":[44],"being":[45],"appropriate":[46],"for":[47],"students":[48],"nearing":[49],"end":[51],"CS1.":[53]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}