{"id":"https://openalex.org/W2899036005","doi":"https://doi.org/10.1145/3236024.3236062","title":"Ecosystem-level determinants of sustained activity in open-source projects: a case study of the PyPI ecosystem","display_name":"Ecosystem-level determinants of sustained activity in open-source projects: a case study of the PyPI ecosystem","publication_year":2018,"publication_date":"2018-10-26","ids":{"openalex":"https://openalex.org/W2899036005","doi":"https://doi.org/10.1145/3236024.3236062","mag":"2899036005"},"language":"en","primary_location":{"id":"doi:10.1145/3236024.3236062","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3236024.3236062","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3236024.3236062","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2018 26th ACM Joint Meeting on European Software Engineering Conference and Symposium on the Foundations of Software Engineering","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://dl.acm.org/doi/pdf/10.1145/3236024.3236062","any_repository_has_fulltext":null},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5094315558","display_name":"Marat Valiev","orcid":"https://orcid.org/0000-0003-2823-168X"},"institutions":[{"id":"https://openalex.org/I74973139","display_name":"Carnegie Mellon University","ror":"https://ror.org/05x2bcf33","country_code":"US","type":"education","lineage":["https://openalex.org/I74973139"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Marat Valiev","raw_affiliation_strings":["Carnegie Mellon University, USA"],"affiliations":[{"raw_affiliation_string":"Carnegie Mellon University, USA","institution_ids":["https://openalex.org/I74973139"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5050821883","display_name":"Bogdan Vasilescu","orcid":"https://orcid.org/0000-0003-4418-5783"},"institutions":[{"id":"https://openalex.org/I74973139","display_name":"Carnegie Mellon University","ror":"https://ror.org/05x2bcf33","country_code":"US","type":"education","lineage":["https://openalex.org/I74973139"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Bogdan Vasilescu","raw_affiliation_strings":["Carnegie Mellon University, USA"],"affiliations":[{"raw_affiliation_string":"Carnegie Mellon University, USA","institution_ids":["https://openalex.org/I74973139"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5056032814","display_name":"James D. Herbsleb","orcid":"https://orcid.org/0000-0002-7159-7524"},"institutions":[{"id":"https://openalex.org/I74973139","display_name":"Carnegie Mellon University","ror":"https://ror.org/05x2bcf33","country_code":"US","type":"education","lineage":["https://openalex.org/I74973139"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"James Herbsleb","raw_affiliation_strings":["Carnegie Mellon University, USA"],"affiliations":[{"raw_affiliation_string":"Carnegie Mellon University, USA","institution_ids":["https://openalex.org/I74973139"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5094315558"],"corresponding_institution_ids":["https://openalex.org/I74973139"],"apc_list":null,"apc_paid":null,"fwci":13.5604,"has_fulltext":true,"cited_by_count":141,"citation_normalized_percentile":{"value":0.98716352,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":100},"biblio":{"volume":null,"issue":null,"first_page":"644","last_page":"655"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11675","display_name":"Open Source Software Innovations","score":0.9998999834060669,"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":0.9998999834060669,"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":0.9889000058174133,"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/T12028","display_name":"Knowledge Management and Sharing","score":0.9800999760627747,"subfield":{"id":"https://openalex.org/subfields/3315","display_name":"Communication"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/ecosystem","display_name":"Ecosystem","score":0.8066901564598083},{"id":"https://openalex.org/keywords/reuse","display_name":"Reuse","score":0.7492561340332031},{"id":"https://openalex.org/keywords/interdependence","display_name":"Interdependence","score":0.7427469491958618},{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.6467138528823853},{"id":"https://openalex.org/keywords/sustainability","display_name":"Sustainability","score":0.5519909858703613},{"id":"https://openalex.org/keywords/open-source","display_name":"Open source","score":0.45734214782714844},{"id":"https://openalex.org/keywords/environmental-resource-management","display_name":"Environmental resource management","score":0.4379105865955353},{"id":"https://openalex.org/keywords/open-source-software","display_name":"Open source software","score":0.435735285282135},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4001091718673706},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.3973059356212616},{"id":"https://openalex.org/keywords/software","display_name":"Software","score":0.37770092487335205},{"id":"https://openalex.org/keywords/business","display_name":"Business","score":0.3612278699874878},{"id":"https://openalex.org/keywords/ecology","display_name":"Ecology","score":0.21220460534095764},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.08018934726715088}],"concepts":[{"id":"https://openalex.org/C110872660","wikidata":"https://www.wikidata.org/wiki/Q37813","display_name":"Ecosystem","level":2,"score":0.8066901564598083},{"id":"https://openalex.org/C206588197","wikidata":"https://www.wikidata.org/wiki/Q846574","display_name":"Reuse","level":2,"score":0.7492561340332031},{"id":"https://openalex.org/C185874996","wikidata":"https://www.wikidata.org/wiki/Q269699","display_name":"Interdependence","level":2,"score":0.7427469491958618},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.6467138528823853},{"id":"https://openalex.org/C66204764","wikidata":"https://www.wikidata.org/wiki/Q219416","display_name":"Sustainability","level":2,"score":0.5519909858703613},{"id":"https://openalex.org/C3018397939","wikidata":"https://www.wikidata.org/wiki/Q3644502","display_name":"Open source","level":3,"score":0.45734214782714844},{"id":"https://openalex.org/C107826830","wikidata":"https://www.wikidata.org/wiki/Q929380","display_name":"Environmental resource management","level":1,"score":0.4379105865955353},{"id":"https://openalex.org/C2988343187","wikidata":"https://www.wikidata.org/wiki/Q1130645","display_name":"Open source software","level":3,"score":0.435735285282135},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4001091718673706},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.3973059356212616},{"id":"https://openalex.org/C2777904410","wikidata":"https://www.wikidata.org/wiki/Q7397","display_name":"Software","level":2,"score":0.37770092487335205},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.3612278699874878},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.21220460534095764},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.08018934726715088},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.0},{"id":"https://openalex.org/C166957645","wikidata":"https://www.wikidata.org/wiki/Q23498","display_name":"Archaeology","level":1,"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/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3236024.3236062","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3236024.3236062","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3236024.3236062","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2018 26th ACM Joint Meeting on European Software Engineering Conference and Symposium on the Foundations of Software Engineering","raw_type":"proceedings-article"}],"best_oa_location":{"id":"doi:10.1145/3236024.3236062","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3236024.3236062","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3236024.3236062","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2018 26th ACM Joint Meeting on European Software Engineering Conference and Symposium on the Foundations of Software Engineering","raw_type":"proceedings-article"},"sustainable_development_goals":[{"score":0.550000011920929,"display_name":"Life in Land","id":"https://metadata.un.org/sdg/15"},{"score":0.4099999964237213,"display_name":"Responsible consumption and production","id":"https://metadata.un.org/sdg/12"}],"awards":[{"id":"https://openalex.org/G275987135","display_name":null,"funder_award_id":"1546393","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G552960129","display_name":null,"funder_award_id":"1633083","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G8169361086","display_name":null,"funder_award_id":"1546393, 1633083","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"},{"id":"https://openalex.org/F4320306151","display_name":"Alfred P. Sloan Foundation","ror":"https://ror.org/052csg198"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2899036005.pdf","grobid_xml":"https://content.openalex.org/works/W2899036005.grobid-xml"},"referenced_works_count":75,"referenced_works":["https://openalex.org/W1564623840","https://openalex.org/W1608538534","https://openalex.org/W1894804819","https://openalex.org/W1924865473","https://openalex.org/W1947667990","https://openalex.org/W1965717490","https://openalex.org/W1966714873","https://openalex.org/W1968900889","https://openalex.org/W1971025144","https://openalex.org/W1972052832","https://openalex.org/W1979778970","https://openalex.org/W1981457167","https://openalex.org/W1981598140","https://openalex.org/W1984080818","https://openalex.org/W2004142432","https://openalex.org/W2006624349","https://openalex.org/W2008946935","https://openalex.org/W2026417691","https://openalex.org/W2026801283","https://openalex.org/W2032360899","https://openalex.org/W2044679885","https://openalex.org/W2053619615","https://openalex.org/W2055837583","https://openalex.org/W2056795330","https://openalex.org/W2057245786","https://openalex.org/W2067715001","https://openalex.org/W2070698594","https://openalex.org/W2079395076","https://openalex.org/W2079437975","https://openalex.org/W2080622326","https://openalex.org/W2093249572","https://openalex.org/W2101825147","https://openalex.org/W2107294940","https://openalex.org/W2110499955","https://openalex.org/W2110986222","https://openalex.org/W2112736324","https://openalex.org/W2120983913","https://openalex.org/W2122041620","https://openalex.org/W2122704901","https://openalex.org/W2124100711","https://openalex.org/W2128780139","https://openalex.org/W2131265794","https://openalex.org/W2134843410","https://openalex.org/W2136421959","https://openalex.org/W2136883754","https://openalex.org/W2139092060","https://openalex.org/W2153679654","https://openalex.org/W2157842547","https://openalex.org/W2159401492","https://openalex.org/W2294550615","https://openalex.org/W2319748437","https://openalex.org/W2341123897","https://openalex.org/W2344784027","https://openalex.org/W2354248936","https://openalex.org/W2360973814","https://openalex.org/W2510750634","https://openalex.org/W2548749170","https://openalex.org/W2589991275","https://openalex.org/W2732785394","https://openalex.org/W2733373979","https://openalex.org/W2735173242","https://openalex.org/W2735681515","https://openalex.org/W2740279154","https://openalex.org/W2767247175","https://openalex.org/W2795081714","https://openalex.org/W2962971223","https://openalex.org/W2963748706","https://openalex.org/W3022734214","https://openalex.org/W3101741091","https://openalex.org/W3103506234","https://openalex.org/W3121594313","https://openalex.org/W3122819781","https://openalex.org/W3124560715","https://openalex.org/W4242496111","https://openalex.org/W4285719527"],"related_works":["https://openalex.org/W4376877853","https://openalex.org/W4250928611","https://openalex.org/W4232280318","https://openalex.org/W2063332991","https://openalex.org/W167327709","https://openalex.org/W4387839566","https://openalex.org/W4210922265","https://openalex.org/W4319870556","https://openalex.org/W1985865858","https://openalex.org/W166480398"],"abstract_inverted_index":{"Open-source":[0],"projects":[1,13,33],"do":[2],"not":[3],"exist":[4],"in":[5],"a":[6],"vacuum.":[7],"They":[8],"benefit":[9],"from":[10],"reusing":[11],"other":[12],"and":[14],"themselves":[15],"are":[16],"being":[17],"reused":[18],"by":[19,39,42,50],"others,":[20],"creating":[21],"complex":[22],"networks":[23],"of":[24,32],"interdependencies,":[25],"i.e.,":[26],"software":[27],"ecosystems.":[28],"Therefore,":[29],"the":[30,46,51],"sustainability":[31],"comprising":[34],"ecosystems":[35],"may":[36],"no":[37],"longer":[38],"determined":[40],"solely":[41],"factors":[43],"internal":[44],"to":[45],"project,":[47],"but":[48],"rather":[49],"ecosystem":[52],"context":[53],"as":[54],"well.":[55]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":19},{"year":2024,"cited_by_count":27},{"year":2023,"cited_by_count":28},{"year":2022,"cited_by_count":23},{"year":2021,"cited_by_count":12},{"year":2020,"cited_by_count":19},{"year":2019,"cited_by_count":9},{"year":2018,"cited_by_count":1}],"updated_date":"2026-04-10T15:06:20.359241","created_date":"2025-10-10T00:00:00"}