{"id":"https://openalex.org/A5123575124","orcid":null,"observed_orcids":[],"display_name":"R. Akkerman","raw_author_names":["Akkerman, R.","R. Akkerman"],"full_name":"Akkerman, R.","works_count":2,"cited_by_count":0,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":0,"i10_index":0},"ids":{"openalex":"https://openalex.org/A5123575124","orcid":null,"observed_orcids":[]},"affiliations":[],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T10539","display_name":"Sustainable Supply Chain Management","count":1,"subfield":{"id":"https://openalex.org/subfields/1408","display_name":"Strategy and Management"},"field":{"id":"https://openalex.org/fields/14","display_name":"Business, Management and Accounting"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T11053","display_name":"Process Optimization and Integration","count":1,"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/T11066","display_name":"Organic Food and Agriculture","count":1,"subfield":{"id":"https://openalex.org/subfields/1110","display_name":"Plant Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T11185","display_name":"Integrated Energy Systems Optimization","count":1,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/T11259","display_name":"Agriculture Sustainability and Environmental Impact","count":1,"subfield":{"id":"https://openalex.org/subfields/2303","display_name":"Ecology"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"topic_share":[{"id":"https://openalex.org/T11259","display_name":"Agriculture Sustainability and Environmental Impact","value":1.08e-05,"subfield":{"id":"https://openalex.org/subfields/2303","display_name":"Ecology"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11066","display_name":"Organic Food and Agriculture","value":7.5e-06,"subfield":{"id":"https://openalex.org/subfields/1110","display_name":"Plant Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T12896","display_name":"Sustainable Agricultural Systems Analysis","value":7e-06,"subfield":{"id":"https://openalex.org/subfields/1102","display_name":"Agronomy and Crop Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T11053","display_name":"Process Optimization and Integration","value":6.3e-06,"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/T11185","display_name":"Integrated Energy Systems Optimization","value":3.5e-06,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"x_concepts":[{"id":"126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","score":0.3840000033378601},{"id":"18762648","wikidata":"https://www.wikidata.org/wiki/Q42213","display_name":"Work (physics)","score":0.28790000081062317},{"id":"2778348673","wikidata":"https://www.wikidata.org/wiki/Q739302","display_name":"Production (economics)","score":0.28349998593330383},{"id":"112930515","wikidata":"https://www.wikidata.org/wiki/Q4389547","display_name":"Risk analysis (engineering)","score":0.28200000524520874},{"id":"108713360","wikidata":"https://www.wikidata.org/wiki/Q1824206","display_name":"Supply chain","score":0.2793000042438507}],"counts_by_year":[{"year":2022,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2025,"works_count":1,"oa_works_count":1,"cited_by_count":0}],"display_name_alternatives":["Akkerman, R.","R. Akkerman"],"block_key":"r akkerman","works_api_url":"https://api.openalex.org/works?filter=author.id:A5123575124","updated_date":"2026-11-04T11:47:51","created_date":"2025-10-10T00:00:00"}
