{"id":"https://openalex.org/A5069024751","orcid":null,"observed_orcids":[],"display_name":"Jean-Luc Ygnace","raw_author_names":["J L Ygnace","J.-L. Ygnace","Jean-Luc Ygnace","Ygnace Jean-Luc","Ygnace Jean-luc","Ygnace, Jean-Luc"],"full_name":"Ygnace, Jean-Luc","works_count":59,"cited_by_count":226,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":5,"i10_index":5},"ids":{"openalex":"https://openalex.org/A5069024751","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I203339264","ror":"https://ror.org/01rk35k63","display_name":"Universit\u00e9 de Lyon","country_code":"FR","type":"education","lineage":["https://openalex.org/I203339264"]},"years":[2021]},{"institution":{"id":"https://openalex.org/I4210111949","ror":"https://ror.org/02ahzca76","display_name":"Laboratoire d'Ing\u00e9nierie Circulation Transports","country_code":"FR","type":"facility","lineage":["https://openalex.org/I2800365227","https://openalex.org/I4210111949","https://openalex.org/I4210154111","https://openalex.org/I4210166914","https://openalex.org/I4405266957"]},"years":[2021,2018,2015,2014,2013]},{"institution":{"id":"https://openalex.org/I4210154111","ror":"https://ror.org/03x42jk29","display_name":"Universit\u00e9 Gustave Eiffel","country_code":"FR","type":"education","lineage":["https://openalex.org/I2800365227","https://openalex.org/I4210154111"]},"years":[2021]},{"institution":{"id":"https://openalex.org/I4210166914","ror":"https://ror.org/05r0ccb59","display_name":"\u00c9cole Nationale des Travaux Publics de l'\u00c9tat","country_code":"FR","type":"education","lineage":["https://openalex.org/I4210166914"]},"years":[2021]}],"last_known_institutions":[{"id":"https://openalex.org/I203339264","ror":"https://ror.org/01rk35k63","display_name":"Universit\u00e9 de Lyon","country_code":"FR","type":"education","lineage":["https://openalex.org/I203339264"]},{"id":"https://openalex.org/I4210111949","ror":"https://ror.org/02ahzca76","display_name":"Laboratoire d'Ing\u00e9nierie Circulation Transports","country_code":"FR","type":"facility","lineage":["https://openalex.org/I2800365227","https://openalex.org/I4210111949","https://openalex.org/I4210154111","https://openalex.org/I4210166914","https://openalex.org/I4405266957"]},{"id":"https://openalex.org/I4210154111","ror":"https://ror.org/03x42jk29","display_name":"Universit\u00e9 Gustave Eiffel","country_code":"FR","type":"education","lineage":["https://openalex.org/I2800365227","https://openalex.org/I4210154111"]},{"id":"https://openalex.org/I4210166914","ror":"https://ror.org/05r0ccb59","display_name":"\u00c9cole Nationale des Travaux Publics de l'\u00c9tat","country_code":"FR","type":"education","lineage":["https://openalex.org/I4210166914"]}],"topics":[{"id":"https://openalex.org/T13527","display_name":"Transportation Systems and Logistics","count":32,"subfield":{"id":"https://openalex.org/subfields/2205","display_name":"Civil and Structural Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10698","display_name":"Transportation Planning and Optimization","count":27,"subfield":{"id":"https://openalex.org/subfields/3313","display_name":"Transportation"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T12725","display_name":"transportation and logistics systems","count":20,"subfield":{"id":"https://openalex.org/subfields/3313","display_name":"Transportation"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10524","display_name":"Traffic control and management","count":19,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11942","display_name":"Transportation and Mobility Innovations","count":13,"subfield":{"id":"https://openalex.org/subfields/2203","display_name":"Automotive Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"topic_share":[{"id":"https://openalex.org/T11942","display_name":"Transportation and Mobility Innovations","value":0.0001021,"subfield":{"id":"https://openalex.org/subfields/2203","display_name":"Automotive Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13527","display_name":"Transportation Systems and Logistics","value":7.13e-05,"subfield":{"id":"https://openalex.org/subfields/2205","display_name":"Civil and Structural Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10524","display_name":"Traffic control and management","value":5.63e-05,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11344","display_name":"Traffic Prediction and Management Techniques","value":5.13e-05,"subfield":{"id":"https://openalex.org/subfields/2215","display_name":"Building and Construction"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10698","display_name":"Transportation Planning and Optimization","value":4.91e-05,"subfield":{"id":"https://openalex.org/subfields/3313","display_name":"Transportation"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"x_concepts":[{"id":"17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","score":0.8014512658119202},{"id":"22212356","wikidata":"https://www.wikidata.org/wiki/Q775325","display_name":"Transport engineering","score":0.7324531674385071},{"id":"41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","score":0.6281432509422302},{"id":"127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","score":0.6251274943351746},{"id":"144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","score":0.580194354057312}],"counts_by_year":[{"year":1984,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1986,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1989,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1990,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1993,"works_count":15,"oa_works_count":1,"cited_by_count":0},{"year":1994,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1995,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1996,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":1997,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1998,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1999,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2000,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":2002,"works_count":4,"oa_works_count":1,"cited_by_count":0},{"year":2004,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2005,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2007,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2010,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2011,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":6},{"year":2013,"works_count":2,"oa_works_count":1,"cited_by_count":9},{"year":2014,"works_count":2,"oa_works_count":0,"cited_by_count":12},{"year":2015,"works_count":3,"oa_works_count":0,"cited_by_count":12},{"year":2016,"works_count":2,"oa_works_count":0,"cited_by_count":5},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":5},{"year":2018,"works_count":1,"oa_works_count":1,"cited_by_count":11},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":11},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":11},{"year":2021,"works_count":2,"oa_works_count":2,"cited_by_count":10},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":13},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":14},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":7},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":9},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":7}],"display_name_alternatives":["J L Ygnace","J.-L. Ygnace","Jean-Luc Ygnace","Ygnace Jean-Luc","Ygnace Jean-luc","Ygnace, Jean-Luc"],"block_key":"j ygnace","works_api_url":"https://api.openalex.org/works?filter=author.id:A5069024751","updated_date":"2026-10-29T12:27:34","created_date":"2025-10-10T00:00:00"}