{"id":"https://openalex.org/A5008320125","orcid":"https://orcid.org/0000-0003-1500-9027","observed_orcids":["https://orcid.org/0000-0003-1500-9027"],"display_name":"Gortap Lumbantoruan","raw_author_names":["Gortap Lumbantoruan"],"full_name":"Gortap Lumbantoruan","works_count":43,"cited_by_count":73,"summary_stats":{"2yr_mean_citedness":0.15384615384615385,"h_index":5,"i10_index":0},"ids":{"openalex":"https://openalex.org/A5008320125","orcid":"https://orcid.org/0000-0003-1500-9027","observed_orcids":["https://orcid.org/0000-0003-1500-9027"]},"affiliations":[{"institution":{"id":"https://openalex.org/I3132896252","ror":"https://ror.org/01a6gjq30","display_name":"Universitas Methodist Indonesia","country_code":"ID","type":"education","lineage":["https://openalex.org/I3132896252"]},"years":[2026,2025,2024,2023,2022,2021,2020,2019,2018]}],"last_known_institutions":[{"id":"https://openalex.org/I3132896252","ror":"https://ror.org/01a6gjq30","display_name":"Universitas Methodist Indonesia","country_code":"ID","type":"education","lineage":["https://openalex.org/I3132896252"]}],"topics":[{"id":"https://openalex.org/T11734","display_name":"Decision Support System Applications","count":26,"subfield":{"id":"https://openalex.org/subfields/1404","display_name":"Management Information Systems"},"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/T13681","display_name":"Engineering and Information Technology","count":13,"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/T10050","display_name":"Multi-Criteria Decision Making","count":10,"subfield":{"id":"https://openalex.org/subfields/1803","display_name":"Management Science and Operations Research"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T13373","display_name":"Data Mining and Machine Learning Applications","count":7,"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/T13559","display_name":"Edcuational Technology Systems","count":5,"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"}}],"topic_share":[{"id":"https://openalex.org/T13559","display_name":"Edcuational Technology Systems","value":6.78e-05,"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"}},{"id":"https://openalex.org/T11734","display_name":"Decision Support System Applications","value":6.07e-05,"subfield":{"id":"https://openalex.org/subfields/1404","display_name":"Management Information Systems"},"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/T13194","display_name":"ICT in Developing Communities","value":3.07e-05,"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/T10050","display_name":"Multi-Criteria Decision Making","value":2.71e-05,"subfield":{"id":"https://openalex.org/subfields/1803","display_name":"Management Science and Operations Research"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T12734","display_name":"Information Systems and Technology Applications","value":2.69e-05,"subfield":{"id":"https://openalex.org/subfields/1404","display_name":"Management Information Systems"},"field":{"id":"https://openalex.org/fields/14","display_name":"Business, Management and Accounting"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"x_concepts":[{"id":"41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","score":0.8308395147323608},{"id":"144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","score":0.6769999861717224},{"id":"33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","score":0.6598137021064758},{"id":"180198813","wikidata":"https://www.wikidata.org/wiki/Q121182","display_name":"Information system","score":0.6389999985694885},{"id":"127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","score":0.40173113346099854}],"counts_by_year":[{"year":2010,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2018,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2019,"works_count":5,"oa_works_count":4,"cited_by_count":1},{"year":2020,"works_count":3,"oa_works_count":3,"cited_by_count":3},{"year":2021,"works_count":5,"oa_works_count":5,"cited_by_count":13},{"year":2022,"works_count":7,"oa_works_count":7,"cited_by_count":9},{"year":2023,"works_count":7,"oa_works_count":7,"cited_by_count":9},{"year":2024,"works_count":5,"oa_works_count":5,"cited_by_count":14},{"year":2025,"works_count":5,"oa_works_count":5,"cited_by_count":18},{"year":2026,"works_count":3,"oa_works_count":3,"cited_by_count":6}],"display_name_alternatives":["Gortap Lumbantoruan"],"block_key":"g lumbantoruan","works_api_url":"https://api.openalex.org/works?filter=author.id:A5008320125","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5008320125","updated_date":"2026-11-13T15:08:24","created_date":"2016-06-24T00:00:00"}
