{"id":"https://openalex.org/A5022856440","orcid":"https://orcid.org/0000-0003-1527-9596","observed_orcids":["https://orcid.org/0000-0003-1527-9596"],"display_name":"Nagarajan Karthikeyan","raw_author_names":["Nagarajan Karthikeyan"],"full_name":"Nagarajan Karthikeyan","works_count":6,"cited_by_count":2,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":1,"i10_index":0},"ids":{"openalex":"https://openalex.org/A5022856440","orcid":"https://orcid.org/0000-0003-1527-9596","observed_orcids":["https://orcid.org/0000-0003-1527-9596"]},"affiliations":[],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T10538","display_name":"Data Mining Algorithms and Applications","count":3,"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/T13373","display_name":"Data Mining and Machine Learning Applications","count":3,"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/T10111","display_name":"Remote Sensing in Agriculture","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"}},{"id":"https://openalex.org/T10400","display_name":"Network Security and Intrusion Detection","count":1,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/T10616","display_name":"Smart Agriculture and AI","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"}}],"topic_share":[{"id":"https://openalex.org/T10538","display_name":"Data Mining Algorithms and Applications","value":2.02e-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/T14435","display_name":"Information Retrieval and Data Mining","value":1.8e-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/T12384","display_name":"Customer churn and segmentation","value":1.32e-05,"subfield":{"id":"https://openalex.org/subfields/1406","display_name":"Marketing"},"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/T11473","display_name":"Appendicitis Diagnosis and Management","value":9.6e-06,"subfield":{"id":"https://openalex.org/subfields/2711","display_name":"Emergency Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T13373","display_name":"Data Mining and Machine Learning Applications","value":9.2e-06,"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"}}],"x_concepts":[{"id":"41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","score":0.8500000238418579},{"id":"12267149","wikidata":"https://www.wikidata.org/wiki/Q282453","display_name":"Support vector machine","score":0.7560275793075562},{"id":"119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","score":0.6134999990463257},{"id":"154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","score":0.5805000066757202},{"id":"124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","score":0.5551000237464905}],"counts_by_year":[{"year":2019,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2023,"works_count":1,"oa_works_count":1,"cited_by_count":2},{"year":2024,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2025,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2026,"works_count":2,"oa_works_count":1,"cited_by_count":0}],"display_name_alternatives":["Nagarajan Karthikeyan"],"block_key":"n karthikeyan","works_api_url":"https://api.openalex.org/works?filter=author.id:A5022856440","updated_date":"2026-10-12T12:34:37","created_date":"2019-10-25T00:00:00"}