2023

• Dorotic, Matilda; Johnsen, Jan William. (2023) Seksuell utnyttelse av barn over internett: Rapport om analyse av teknologiske faktorer som påvirker produksjon og deling av materiale som seksuelt utnytter barn over internett. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
  Report

2022

• Johnsen, Jan William; Franke, Katrin. (2022) Interdisciplinary approach to criminal network analysis: Opportunities and challenges. NTNU
  Doctoral dissertation

2020

• Johnsen, Jan William; Franke, Katrin. (2020) Identifying Proficient Cybercriminals Through Text and Network Analysis. IEEE conference proceedings
  Academic chapter/article/Conference paper

2019

• Johnsen, Jan William; Franke, Katrin. (2019) The impact of preprocessing in natural language for open source intelligence and criminal investigation. IEEE International Conference on Big Data (Big Data)
  Academic article

2018

• Johnsen, Jan William; Franke, Katrin. (2018) Identifying Central Individuals in Organised Criminal Groups and Underground Marketplaces. Lecture Notes in Computer Science (LNCS)
  Academic article
• Johnsen, Jan William; Franke, Katrin. (2018) Digital Forensics Report for Dagens Næringsliv. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
  Report

2017

• Shalaginov, Andrii; Franke, Katrin; Johnsen, Jan William. (2017) IEEE Big Data 1st International Workshop on Big Data Analytic for Cyber Crime Investigation and Prevention 2017. IEEE (Institute of Electrical and Electronics Engineers) IEEE (Institute of Electrical and Electronics Engineers)
  Academic anthology/Conference proceedings
• Shalaginov, Andrii; Johnsen, Jan William; Franke, Katrin. (2017) Cyber crime investigations in the era of big data. IEEE (Institute of Electrical and Electronics Engineers)
  Academic chapter/article/Conference paper
• Johnsen, Jan William; Franke, Katrin. (2017) Feasibility Study of Social Network Analysis on Loosely Structured Communication Networks. Procedia Computer Science
  Academic article