{"id":"https://openalex.org/W2141493616","doi":"https://doi.org/10.1109/wpc.2004.1311059","title":"Structural evolution of an open source system: a case study","display_name":"Structural evolution of an open source system: a case study","publication_year":2004,"publication_date":"2004-11-12","ids":{"openalex":"https://openalex.org/W2141493616","doi":"https://doi.org/10.1109/wpc.2004.1311059","mag":"2141493616"},"language":"en","primary_location":{"id":"doi:10.1109/wpc.2004.1311059","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wpc.2004.1311059","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings. 12th IEEE International Workshop on Program Comprehension, 2004.","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/A5077760743","display_name":"Andrea Capiluppi","orcid":"https://orcid.org/0000-0001-9469-6050"},"institutions":[{"id":"https://openalex.org/I177477856","display_name":"Polytechnic University of Turin","ror":"https://ror.org/00bgk9508","country_code":"IT","type":"education","lineage":["https://openalex.org/I177477856"]}],"countries":["IT"],"is_corresponding":true,"raw_author_name":"A. Capiluppi","raw_affiliation_strings":["Dipartimento di Automatica e Informatica, Polytecnico di Torino, Italy","Dipt. di Automatica e Informatica, Politecnico di Torino, Italy"],"affiliations":[{"raw_affiliation_string":"Dipartimento di Automatica e Informatica, Polytecnico di Torino, Italy","institution_ids":["https://openalex.org/I177477856"]},{"raw_affiliation_string":"Dipt. di Automatica e Informatica, Politecnico di Torino, Italy","institution_ids":["https://openalex.org/I177477856"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5084048546","display_name":"Maurizio Morisio","orcid":"https://orcid.org/0000-0001-7362-906X"},"institutions":[{"id":"https://openalex.org/I177477856","display_name":"Polytechnic University of Turin","ror":"https://ror.org/00bgk9508","country_code":"IT","type":"education","lineage":["https://openalex.org/I177477856"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"M. Morisio","raw_affiliation_strings":["Dipartimento di Automatica e Informatica, Polytecnico di Torino, Italy","Dipt. di Automatica e Informatica, Politecnico di Torino, Italy"],"affiliations":[{"raw_affiliation_string":"Dipartimento di Automatica e Informatica, Polytecnico di Torino, Italy","institution_ids":["https://openalex.org/I177477856"]},{"raw_affiliation_string":"Dipt. di Automatica e Informatica, Politecnico di Torino, Italy","institution_ids":["https://openalex.org/I177477856"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5113570747","display_name":"J.F. Ramil","orcid":null},"institutions":[{"id":"https://openalex.org/I204136569","display_name":"The Open University","ror":"https://ror.org/05mzfcs16","country_code":"GB","type":"education","lineage":["https://openalex.org/I204136569"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"J.F. Ramil","raw_affiliation_strings":["Faculty of Maths and Computing, Open University, Milton Keynes, UK","The Open University, Milton Keynes, UK"],"affiliations":[{"raw_affiliation_string":"Faculty of Maths and Computing, Open University, Milton Keynes, UK","institution_ids":["https://openalex.org/I204136569"]},{"raw_affiliation_string":"The Open University, Milton Keynes, UK","institution_ids":["https://openalex.org/I204136569"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5077760743"],"corresponding_institution_ids":["https://openalex.org/I177477856"],"apc_list":null,"apc_paid":null,"fwci":9.5404,"has_fulltext":false,"cited_by_count":45,"citation_normalized_percentile":{"value":0.97848029,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":null,"issue":null,"first_page":"172","last_page":"182"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11675","display_name":"Open Source Software Innovations","score":0.9988999962806702,"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/T11675","display_name":"Open Source Software Innovations","score":0.9988999962806702,"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/T10260","display_name":"Software Engineering Research","score":0.9983000159263611,"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/T10639","display_name":"Advanced Software Engineering Methodologies","score":0.9495000243186951,"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/software-evolution","display_name":"Software evolution","score":0.8246957659721375},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7399705648422241},{"id":"https://openalex.org/keywords/software","display_name":"Software","score":0.5640949606895447},{"id":"https://openalex.org/keywords/source-code","display_name":"Source code","score":0.5082730650901794},{"id":"https://openalex.org/keywords/code","display_name":"Code (set theory)","score":0.49973368644714355},{"id":"https://openalex.org/keywords/empirical-research","display_name":"Empirical research","score":0.48915937542915344},{"id":"https://openalex.org/keywords/tree","display_name":"Tree (set theory)","score":0.4759811460971832},{"id":"https://openalex.org/keywords/software-system","display_name":"Software system","score":0.43812915682792664},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.3503243625164032},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.3341439366340637},{"id":"https://openalex.org/keywords/software-construction","display_name":"Software construction","score":0.21759995818138123},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.2174595594406128},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.18298327922821045},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.13516920804977417}],"concepts":[{"id":"https://openalex.org/C202105479","wikidata":"https://www.wikidata.org/wiki/Q265013","display_name":"Software evolution","level":5,"score":0.8246957659721375},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7399705648422241},{"id":"https://openalex.org/C2777904410","wikidata":"https://www.wikidata.org/wiki/Q7397","display_name":"Software","level":2,"score":0.5640949606895447},{"id":"https://openalex.org/C43126263","wikidata":"https://www.wikidata.org/wiki/Q128751","display_name":"Source code","level":2,"score":0.5082730650901794},{"id":"https://openalex.org/C2776760102","wikidata":"https://www.wikidata.org/wiki/Q5139990","display_name":"Code (set theory)","level":3,"score":0.49973368644714355},{"id":"https://openalex.org/C120936955","wikidata":"https://www.wikidata.org/wiki/Q2155640","display_name":"Empirical research","level":2,"score":0.48915937542915344},{"id":"https://openalex.org/C113174947","wikidata":"https://www.wikidata.org/wiki/Q2859736","display_name":"Tree (set theory)","level":2,"score":0.4759811460971832},{"id":"https://openalex.org/C149091818","wikidata":"https://www.wikidata.org/wiki/Q2429814","display_name":"Software system","level":3,"score":0.43812915682792664},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.3503243625164032},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.3341439366340637},{"id":"https://openalex.org/C186846655","wikidata":"https://www.wikidata.org/wiki/Q3398377","display_name":"Software construction","level":4,"score":0.21759995818138123},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.2174595594406128},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.18298327922821045},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.13516920804977417},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/wpc.2004.1311059","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wpc.2004.1311059","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings. 12th IEEE International Workshop on Program Comprehension, 2004.","raw_type":"proceedings-article"},{"id":"pmh:rug:oai:pure.rug.nl:publications/e73a5b4d-0e5d-41c5-a89a-83f2661b3f47","is_oa":false,"landing_page_url":"https://www.rug.nl/research/portal/en/publications/structural-evolution-of-an-open-source-system-a-case-study(e73a5b4d-0e5d-41c5-a89a-83f2661b3f47).html","pdf_url":null,"source":{"id":"https://openalex.org/S4306401843","display_name":"Data Archiving and Networked Services (DANS)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1322597698","host_organization_name":"Royal Netherlands Academy of Arts and Sciences","host_organization_lineage":["https://openalex.org/I1322597698"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/conferencepaper"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.6100000143051147,"id":"https://metadata.un.org/sdg/8","display_name":"Decent work and economic growth"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":30,"referenced_works":["https://openalex.org/W53166435","https://openalex.org/W62257816","https://openalex.org/W1588879371","https://openalex.org/W1597972092","https://openalex.org/W1796643057","https://openalex.org/W1984314602","https://openalex.org/W2045749853","https://openalex.org/W2057245786","https://openalex.org/W2068965694","https://openalex.org/W2088448578","https://openalex.org/W2107294940","https://openalex.org/W2116243202","https://openalex.org/W2116374224","https://openalex.org/W2116693957","https://openalex.org/W2128780139","https://openalex.org/W2131265794","https://openalex.org/W2132454116","https://openalex.org/W2143232930","https://openalex.org/W2147956392","https://openalex.org/W2159682002","https://openalex.org/W2161364048","https://openalex.org/W2476528102","https://openalex.org/W2579555219","https://openalex.org/W2911816074","https://openalex.org/W3196020507","https://openalex.org/W4237029657","https://openalex.org/W6602135560","https://openalex.org/W6602428905","https://openalex.org/W6635756036","https://openalex.org/W6721103680"],"related_works":["https://openalex.org/W2020166315","https://openalex.org/W4312622767","https://openalex.org/W2103526356","https://openalex.org/W2164183816","https://openalex.org/W2598672065","https://openalex.org/W2889416268","https://openalex.org/W1553176225","https://openalex.org/W2578170445","https://openalex.org/W1980601824","https://openalex.org/W91382638"],"abstract_inverted_index":{"Software":[0],"evolution":[1,154,207],"empirical":[2,46,150],"studies":[3,47],"are":[4,147],"made":[5],"possible":[6],"only":[7],"when":[8],"data":[9,151],"is":[10,48],"available":[11],"and":[12,33,57,82,97,131,144,183,222,269,282],"easily":[13],"collectable.":[14],"Open":[15],"source":[16,146],"software":[17,24,142],"provides":[18],"a":[19,90,118,191,195,244,262],"good":[20,263],"opportunity":[21],"for":[22,265],"observing":[23],"products":[25],"in":[26,126,133,252,286],"various":[27],"phases":[28],"of":[29,36,70,78,95,100,112,120,129,155,163,171,179,205,208,220,232,240,249,267,280],"their":[30],"evolution,":[31],"growth":[32,56,69],"maturity.":[34],"One":[35],"the":[37,49,58,68,75,86,93,98,101,109,113,123,127,134,153,156,164,168,177,201,206,209,217,241,250,258,277,283,287],"aspects":[38],"that":[39,51,176,216,248,257],"have":[40,235],"not":[41],"been":[42,236],"analyzed":[43],"yet":[44],"through":[45],"relation":[50,275],"exists":[52],"between":[53,276],"code":[54,60,71,180,288],"components":[55,181],"evolving":[59,110],"structure.":[61,212,289],"In":[62,115],"this":[63,116],"paper,":[64],"we":[65,214],"look":[66],"at":[67],"elements":[72],"by":[73,84],"measuring":[74],"total":[76],"number":[77,94,119,178,231],"files":[79,96,130,221,253],"per":[80],"release":[81],"also":[83,160,199],"visualizing":[85],"folder":[87,102,135,210],"structure":[88,104],"as":[89,190,238],"tree.":[91],"Both,":[92],"shape":[99],"tree":[103,136,211],"offer":[105],"proxies":[106],"to":[107,167,225],"study":[108],"complexity":[111],"system.":[114,158],"study,":[117],"hypotheses":[121],"about":[122],"evolutionary":[124],"patterns":[125,166],"size":[128,219,251],"folders,":[132],"structure,":[137],"reflecting":[138,152],"common":[139],"assumptions":[140],"on":[141],"engineering":[143],"open":[145],"tested":[148],"against":[149],"ARLA":[157],"We":[159,198],"relate":[161],"some":[162],"observed":[165,285],"arrival":[169,278],"rate":[170,266,279],"new":[172],"developers.":[173],"Results":[174],"show":[175],"(files":[182],"folders)":[184],"over":[185,227,254],"releases":[186],"can":[187],"be":[188],"interpreted":[189],"linear":[192],"trend":[193,245],"with":[194],"superimposed":[196],"ripple.":[197],"describe":[200],"more":[202],"apparent":[203,274],"characteristics":[204],"Furthermore,":[213],"observe":[215],"average":[218],"folders":[223],"tends":[224],"stabilize":[226],"releases.":[228],"The":[229],"cumulative":[230],"people":[233],"who":[234],"involved":[237],"developers":[239,281],"system":[242],"follows":[243],"which":[246],"resembles":[247],"releases,":[255],"suggesting":[256],"latter":[259],"could":[260],"provide":[261],"indicator":[264],"work":[268],"productivity.":[270],"There":[271],"was":[272],"no":[273],"changes":[284]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":3},{"year":2015,"cited_by_count":1},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":3}],"updated_date":"2026-03-25T14:56:36.534964","created_date":"2025-10-10T00:00:00"}
