{"id":"https://openalex.org/W1973624379","doi":"https://doi.org/10.1016/s0950-5849(01)00183-5","title":"Managing uncertainty in project portfolio cost estimation","display_name":"Managing uncertainty in project portfolio cost estimation","publication_year":2001,"publication_date":"2001-11-01","ids":{"openalex":"https://openalex.org/W1973624379","doi":"https://doi.org/10.1016/s0950-5849(01)00183-5","mag":"1973624379"},"language":"en","primary_location":{"id":"doi:10.1016/s0950-5849(01)00183-5","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0950-5849(01)00183-5","pdf_url":null,"source":{"id":"https://openalex.org/S205010575","display_name":"Information and Software Technology","issn_l":"0950-5849","issn":["0950-5849","1873-6025"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Information and Software Technology","raw_type":"journal-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/A5009279802","display_name":"Ioannis Stamelos","orcid":"https://orcid.org/0000-0001-9440-3633"},"institutions":[{"id":"https://openalex.org/I21370196","display_name":"Aristotle University of Thessaloniki","ror":"https://ror.org/02j61yw88","country_code":"GR","type":"education","lineage":["https://openalex.org/I21370196"]}],"countries":["GR"],"is_corresponding":true,"raw_author_name":"Ioannis Stamelos","raw_affiliation_strings":["Department of Informatics, Aristotle University, Thessaloniki, Greece","Department of Informatics, Aristotle University, Thessalon\u00edki, Greece"],"affiliations":[{"raw_affiliation_string":"Department of Informatics, Aristotle University, Thessaloniki, Greece","institution_ids":["https://openalex.org/I21370196"]},{"raw_affiliation_string":"Department of Informatics, Aristotle University, Thessalon\u00edki, Greece","institution_ids":["https://openalex.org/I21370196"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5008070273","display_name":"Lefteris Angelis","orcid":"https://orcid.org/0000-0002-6677-4039"},"institutions":[{"id":"https://openalex.org/I21370196","display_name":"Aristotle University of Thessaloniki","ror":"https://ror.org/02j61yw88","country_code":"GR","type":"education","lineage":["https://openalex.org/I21370196"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Lefteris Angelis","raw_affiliation_strings":["Department of Informatics, Aristotle University, Thessaloniki, Greece","Department of Informatics, Aristotle University, Thessalon\u00edki, Greece"],"affiliations":[{"raw_affiliation_string":"Department of Informatics, Aristotle University, Thessaloniki, Greece","institution_ids":["https://openalex.org/I21370196"]},{"raw_affiliation_string":"Department of Informatics, Aristotle University, Thessalon\u00edki, Greece","institution_ids":["https://openalex.org/I21370196"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5009279802"],"corresponding_institution_ids":["https://openalex.org/I21370196"],"apc_list":{"value":3350,"currency":"USD","value_usd":3350},"apc_paid":null,"fwci":9.1872,"has_fulltext":false,"cited_by_count":59,"citation_normalized_percentile":{"value":0.97525568,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"43","issue":"13","first_page":"759","last_page":"768"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10260","display_name":"Software Engineering Research","score":1.0,"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"}},"topics":[{"id":"https://openalex.org/T10260","display_name":"Software Engineering Research","score":1.0,"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/T12423","display_name":"Software Reliability and Analysis Research","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/1712","display_name":"Software"},"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/T10430","display_name":"Software Engineering Techniques and Practices","score":0.9994000196456909,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/cost-estimate","display_name":"Cost estimate","score":0.627285897731781},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6196364760398865},{"id":"https://openalex.org/keywords/estimation","display_name":"Estimation","score":0.5762818455696106},{"id":"https://openalex.org/keywords/portfolio","display_name":"Portfolio","score":0.5705054402351379},{"id":"https://openalex.org/keywords/software-project-management","display_name":"Software project management","score":0.5647563934326172},{"id":"https://openalex.org/keywords/cost-contingency","display_name":"Cost contingency","score":0.5386459827423096},{"id":"https://openalex.org/keywords/software","display_name":"Software","score":0.5240195989608765},{"id":"https://openalex.org/keywords/project-portfolio-management","display_name":"Project portfolio management","score":0.5055510997772217},{"id":"https://openalex.org/keywords/software-development","display_name":"Software development","score":0.4801987409591675},{"id":"https://openalex.org/keywords/software-sizing","display_name":"Software sizing","score":0.42367830872535706},{"id":"https://openalex.org/keywords/project-management","display_name":"Project management","score":0.3799794614315033},{"id":"https://openalex.org/keywords/risk-analysis","display_name":"Risk analysis (engineering)","score":0.34722664952278137},{"id":"https://openalex.org/keywords/systems-engineering","display_name":"Systems engineering","score":0.34426045417785645},{"id":"https://openalex.org/keywords/industrial-engineering","display_name":"Industrial engineering","score":0.3394109904766083},{"id":"https://openalex.org/keywords/software-construction","display_name":"Software construction","score":0.23104819655418396},{"id":"https://openalex.org/keywords/cost-engineering","display_name":"Cost engineering","score":0.22659173607826233},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.22201743721961975},{"id":"https://openalex.org/keywords/economics","display_name":"Economics","score":0.09882029891014099},{"id":"https://openalex.org/keywords/business","display_name":"Business","score":0.08558797836303711}],"concepts":[{"id":"https://openalex.org/C93983250","wikidata":"https://www.wikidata.org/wiki/Q795053","display_name":"Cost estimate","level":2,"score":0.627285897731781},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6196364760398865},{"id":"https://openalex.org/C96250715","wikidata":"https://www.wikidata.org/wiki/Q965330","display_name":"Estimation","level":2,"score":0.5762818455696106},{"id":"https://openalex.org/C2780821815","wikidata":"https://www.wikidata.org/wiki/Q5340806","display_name":"Portfolio","level":2,"score":0.5705054402351379},{"id":"https://openalex.org/C40919944","wikidata":"https://www.wikidata.org/wiki/Q947779","display_name":"Software project management","level":5,"score":0.5647563934326172},{"id":"https://openalex.org/C27759463","wikidata":"https://www.wikidata.org/wiki/Q5174763","display_name":"Cost contingency","level":4,"score":0.5386459827423096},{"id":"https://openalex.org/C2777904410","wikidata":"https://www.wikidata.org/wiki/Q7397","display_name":"Software","level":2,"score":0.5240195989608765},{"id":"https://openalex.org/C74510933","wikidata":"https://www.wikidata.org/wiki/Q1936145","display_name":"Project portfolio management","level":3,"score":0.5055510997772217},{"id":"https://openalex.org/C529173508","wikidata":"https://www.wikidata.org/wiki/Q638608","display_name":"Software development","level":3,"score":0.4801987409591675},{"id":"https://openalex.org/C201515116","wikidata":"https://www.wikidata.org/wiki/Q7554363","display_name":"Software sizing","level":5,"score":0.42367830872535706},{"id":"https://openalex.org/C15952604","wikidata":"https://www.wikidata.org/wiki/Q179012","display_name":"Project management","level":2,"score":0.3799794614315033},{"id":"https://openalex.org/C112930515","wikidata":"https://www.wikidata.org/wiki/Q4389547","display_name":"Risk analysis (engineering)","level":1,"score":0.34722664952278137},{"id":"https://openalex.org/C201995342","wikidata":"https://www.wikidata.org/wiki/Q682496","display_name":"Systems engineering","level":1,"score":0.34426045417785645},{"id":"https://openalex.org/C13736549","wikidata":"https://www.wikidata.org/wiki/Q4489420","display_name":"Industrial engineering","level":1,"score":0.3394109904766083},{"id":"https://openalex.org/C186846655","wikidata":"https://www.wikidata.org/wiki/Q3398377","display_name":"Software construction","level":4,"score":0.23104819655418396},{"id":"https://openalex.org/C96814336","wikidata":"https://www.wikidata.org/wiki/Q2443008","display_name":"Cost engineering","level":3,"score":0.22659173607826233},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.22201743721961975},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.09882029891014099},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.08558797836303711},{"id":"https://openalex.org/C106159729","wikidata":"https://www.wikidata.org/wiki/Q2294553","display_name":"Financial economics","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:10.1016/s0950-5849(01)00183-5","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0950-5849(01)00183-5","pdf_url":null,"source":{"id":"https://openalex.org/S205010575","display_name":"Information and Software Technology","issn_l":"0950-5849","issn":["0950-5849","1873-6025"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Information and Software Technology","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.49000000953674316,"id":"https://metadata.un.org/sdg/9","display_name":"Industry, innovation and infrastructure"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":25,"referenced_works":["https://openalex.org/W1513618424","https://openalex.org/W1603123038","https://openalex.org/W1965142549","https://openalex.org/W1970126952","https://openalex.org/W1984073354","https://openalex.org/W1995945562","https://openalex.org/W2024880014","https://openalex.org/W2029696544","https://openalex.org/W2063654055","https://openalex.org/W2075848956","https://openalex.org/W2125809971","https://openalex.org/W2129905273","https://openalex.org/W2130227936","https://openalex.org/W2131378644","https://openalex.org/W2150949999","https://openalex.org/W2163059454","https://openalex.org/W2171816001","https://openalex.org/W2328425223","https://openalex.org/W2990650678","https://openalex.org/W3106889297","https://openalex.org/W4206457894","https://openalex.org/W4245232003","https://openalex.org/W4250801571","https://openalex.org/W6656908460","https://openalex.org/W6679441370"],"related_works":["https://openalex.org/W2182271241","https://openalex.org/W3197513126","https://openalex.org/W4367610099","https://openalex.org/W2299690645","https://openalex.org/W2558054707","https://openalex.org/W2139794760","https://openalex.org/W4323820895","https://openalex.org/W2772189937","https://openalex.org/W4390727603","https://openalex.org/W2292005946"],"abstract_inverted_index":null,"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":3},{"year":2017,"cited_by_count":5},{"year":2016,"cited_by_count":5},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":3},{"year":2013,"cited_by_count":7},{"year":2012,"cited_by_count":5}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}