{"id":"https://openalex.org/W2030225252","doi":"https://doi.org/10.1145/1449913.1449932","title":"Lightweight dependent classes","display_name":"Lightweight dependent classes","publication_year":2008,"publication_date":"2008-10-19","ids":{"openalex":"https://openalex.org/W2030225252","doi":"https://doi.org/10.1145/1449913.1449932","mag":"2030225252"},"language":"en","primary_location":{"id":"doi:10.1145/1449913.1449932","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1449913.1449932","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 7th international conference on Generative programming and component engineering","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/A5082030898","display_name":"Tetsuo Kamina","orcid":"https://orcid.org/0000-0003-0288-1908"},"institutions":[{"id":"https://openalex.org/I74801974","display_name":"The University of Tokyo","ror":"https://ror.org/057zh3y96","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Tetsuo Kamina","raw_affiliation_strings":["The University of Tokyo, Tokyo, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The University of Tokyo, Tokyo, Japan","institution_ids":["https://openalex.org/I74801974"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5110020180","display_name":"Tetsuo Tamai","orcid":null},"institutions":[{"id":"https://openalex.org/I74801974","display_name":"The University of Tokyo","ror":"https://ror.org/057zh3y96","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Tetsuo Tamai","raw_affiliation_strings":["The University of Tokyo, Tokyo, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The University of Tokyo, Tokyo, Japan","institution_ids":["https://openalex.org/I74801974"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.1755,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.84048853,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"113","last_page":"124"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10126","display_name":"Logic, programming, and type systems","score":0.9998000264167786,"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"}},"topics":[{"id":"https://openalex.org/T10126","display_name":"Logic, programming, and type systems","score":0.9998000264167786,"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"}},{"id":"https://openalex.org/T10142","display_name":"Formal Methods in Verification","score":0.9950000047683716,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"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/T10639","display_name":"Advanced Software Engineering Methodologies","score":0.989799976348877,"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/computer-science","display_name":"Computer science","score":0.7865062355995178},{"id":"https://openalex.org/keywords/soundness","display_name":"Soundness","score":0.7667735815048218},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.7664915323257446},{"id":"https://openalex.org/keywords/parameterized-complexity","display_name":"Parameterized complexity","score":0.6948238015174866},{"id":"https://openalex.org/keywords/type-safety","display_name":"Type safety","score":0.6487973928451538},{"id":"https://openalex.org/keywords/type-inference","display_name":"Type inference","score":0.6100018620491028},{"id":"https://openalex.org/keywords/class","display_name":"Class (philosophy)","score":0.5949162840843201},{"id":"https://openalex.org/keywords/simple","display_name":"Simple (philosophy)","score":0.5922732949256897},{"id":"https://openalex.org/keywords/boilerplate-text","display_name":"Boilerplate text","score":0.5822096467018127},{"id":"https://openalex.org/keywords/type","display_name":"Type (biology)","score":0.5181459188461304},{"id":"https://openalex.org/keywords/java","display_name":"Java","score":0.4996621608734131},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.44994819164276123},{"id":"https://openalex.org/keywords/namespace","display_name":"Namespace","score":0.44306546449661255},{"id":"https://openalex.org/keywords/type-theory","display_name":"Type theory","score":0.4144956171512604},{"id":"https://openalex.org/keywords/declaration","display_name":"Declaration","score":0.41319942474365234},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.18420860171318054},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.16116118431091309},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.13439500331878662}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7865062355995178},{"id":"https://openalex.org/C39920170","wikidata":"https://www.wikidata.org/wiki/Q693083","display_name":"Soundness","level":2,"score":0.7667735815048218},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.7664915323257446},{"id":"https://openalex.org/C165464430","wikidata":"https://www.wikidata.org/wiki/Q1570441","display_name":"Parameterized complexity","level":2,"score":0.6948238015174866},{"id":"https://openalex.org/C44779574","wikidata":"https://www.wikidata.org/wiki/Q736866","display_name":"Type safety","level":2,"score":0.6487973928451538},{"id":"https://openalex.org/C198370458","wikidata":"https://www.wikidata.org/wiki/Q586459","display_name":"Type inference","level":3,"score":0.6100018620491028},{"id":"https://openalex.org/C2777212361","wikidata":"https://www.wikidata.org/wiki/Q5127848","display_name":"Class (philosophy)","level":2,"score":0.5949162840843201},{"id":"https://openalex.org/C2780586882","wikidata":"https://www.wikidata.org/wiki/Q7520643","display_name":"Simple (philosophy)","level":2,"score":0.5922732949256897},{"id":"https://openalex.org/C75701414","wikidata":"https://www.wikidata.org/wiki/Q1651672","display_name":"Boilerplate text","level":2,"score":0.5822096467018127},{"id":"https://openalex.org/C2777299769","wikidata":"https://www.wikidata.org/wiki/Q3707858","display_name":"Type (biology)","level":2,"score":0.5181459188461304},{"id":"https://openalex.org/C548217200","wikidata":"https://www.wikidata.org/wiki/Q251","display_name":"Java","level":2,"score":0.4996621608734131},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.44994819164276123},{"id":"https://openalex.org/C2778383056","wikidata":"https://www.wikidata.org/wiki/Q873636","display_name":"Namespace","level":2,"score":0.44306546449661255},{"id":"https://openalex.org/C93682546","wikidata":"https://www.wikidata.org/wiki/Q1056428","display_name":"Type theory","level":3,"score":0.4144956171512604},{"id":"https://openalex.org/C138147947","wikidata":"https://www.wikidata.org/wiki/Q1183659","display_name":"Declaration","level":2,"score":0.41319942474365234},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.18420860171318054},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.16116118431091309},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.13439500331878662},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.0},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0},{"id":"https://openalex.org/C2776214188","wikidata":"https://www.wikidata.org/wiki/Q408386","display_name":"Inference","level":2,"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/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/1449913.1449932","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1449913.1449932","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 7th international conference on Generative programming and component engineering","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":31,"referenced_works":["https://openalex.org/W1482171176","https://openalex.org/W1517148154","https://openalex.org/W1569578717","https://openalex.org/W1577182889","https://openalex.org/W1600168243","https://openalex.org/W1812582761","https://openalex.org/W1871430636","https://openalex.org/W1980939032","https://openalex.org/W1981483250","https://openalex.org/W1994666727","https://openalex.org/W2025566524","https://openalex.org/W2030639337","https://openalex.org/W2033348393","https://openalex.org/W2035709547","https://openalex.org/W2037683408","https://openalex.org/W2049773429","https://openalex.org/W2056821525","https://openalex.org/W2057779758","https://openalex.org/W2070821087","https://openalex.org/W2087384268","https://openalex.org/W2102044874","https://openalex.org/W2133546079","https://openalex.org/W2137417304","https://openalex.org/W2140602484","https://openalex.org/W2150101804","https://openalex.org/W2163420823","https://openalex.org/W2172232818","https://openalex.org/W2293120350","https://openalex.org/W2913972837","https://openalex.org/W4285719527","https://openalex.org/W6630643805"],"related_works":["https://openalex.org/W3130884665","https://openalex.org/W4384648301","https://openalex.org/W2949482260","https://openalex.org/W1726238843","https://openalex.org/W3141365533","https://openalex.org/W2129345992","https://openalex.org/W2135265328","https://openalex.org/W4237270226","https://openalex.org/W2467914100","https://openalex.org/W2076653850"],"abstract_inverted_index":{"Extensive":[0],"research":[1],"efforts":[2],"have":[3,31,47,66],"been":[4,33],"devoted":[5],"to":[6,48,54,67,95,101,177],"implement":[7,131],"a":[8,25,50,69,108,116,140,146,163],"group":[9,23],"of":[10,21,37,42,123,134,148,157,166],"type-safe":[11,135],"mutually":[12,57,136],"recursive":[13,51,58,137],"classes;":[14],"recently,":[15],"proposals":[16,39],"for":[17,76],"separating":[18],"each":[19,56,61,77,132],"member":[20,133],"the":[22,43,83],"as":[24],"reusable":[26],"and":[27,64,99],"composable":[28],"programming":[29],"unit":[30],"also":[32],"presented.":[34],"One":[35],"problem":[36],"these":[38,92],"is":[40,87,175],"verbosity":[41],"source":[44,142],"programs;":[45],"we":[46,65,106,129,160],"declare":[49,68],"type":[52,85,118,155,173],"parameter":[53],"parameterize":[55],"class":[59,62,71,74],"within":[60],"declaration,":[63],"fixed-point":[70],"with":[72,110],"empty":[73],"body":[75],"parameterized":[78],"class.":[79],"Therefore,":[80],"even":[81],"though":[82],"underlying":[84],"system":[86,119,174],"simple,":[88],"programs":[89],"written":[90],"in":[91,139],"languages":[93],"tend":[94],"be":[96,178],"rather":[97],"complex":[98,149],"hard":[100],"understand.":[102],"In":[103,126],"this":[104,127],"paper,":[105],"propose":[107],"language":[109],"lightweight":[111,169],"dependent":[112,170],"classes":[113,138],"that":[114],"forms":[115],"simple":[117,164],"built":[120],"on":[121],"top":[122],"generic":[124],"Java.":[125],"language,":[128],"can":[130],"separate":[141],"file":[143],"without":[144],"writing":[145],"lot":[147],"boilerplate":[150],"code.":[151],"To":[152],"carefully":[153],"investigate":[154],"soundness":[156],"our":[158],"proposal,":[159],"develop":[161],"X.FGJ,":[162],"extension":[165],"FGJ":[167],"supporting":[168],"classes.":[171],"This":[172],"proved":[176],"sound.":[179]},"counts_by_year":[{"year":2018,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}