Nicholas Kofi Akortia Hagan Data-verified

Affiliation confirmed via AI analysis of OpenAlex, ORCID, and web sources.

Researcher

Last publication 2024 Last refreshed 2026-05-16

unknown

2 h-index 4 pubs 9 cited

Biography and Research Information

OverviewAI-generated summary

Nicholas Kofi Akortia Hagan's research focuses on developing scalable and efficient methods for data processing and analysis. His work includes the design of unsupervised systems for data clustering, cleaning, and entity resolution. Hagan has developed systems like the Data Washing Machine (DWM) and its Spark-based implementation, SparkDWM, aimed at improving the quality and usability of large datasets. He has also investigated graph-based approaches for entity resolution, utilizing techniques such as modularity optimization and locality-sensitive hashing to enhance accuracy and scalability. His publications demonstrate a commitment to advancing data management techniques, particularly in areas requiring unsupervised learning and distributed computing frameworks.

Metrics

  • h-index: 2
  • Publications: 4
  • Citations: 9

Selected Publications

  • SparkDWM: a scalable design of a Data Washing Machine using Apache Spark (2024)
    1 citation DOI OpenAlex
  • A scalable MapReduce-based design of an unsupervised entity resolution system (2024)
    2 citations DOI OpenAlex
  • Optimal Starting Parameters for Unsupervised Data Clustering and Cleaning in the Data Washing Machine (2023)
    4 citations DOI OpenAlex
  • ModER: Graph-based Unsupervised Entity Resolution using Composite Modularity Optimization and Locality Sensitive Hashing (2022)
    2 citations DOI OpenAlex

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Collaboration Network

6 Collaborators 1 Institution 1 Country

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