A Case Study Using the IMSE Experimentation Tool. - Jane Hillston; Andreas L. Opdahl; Rob Pooley (CAiSE, 1991)

A Framework for Performance Engineering During Information System Development. - Andreas L. Opdahl; Arne Sølvberg (CAiSE, 1992)

Conceptual Integration of Information System and Performance Modelling. - Andreas L. Opdahl; Arne Sølvberg (ISCO, 1992)

Concepts for Real-World Modelling - Andreas L. Opdahl; Guttorm Sindre (CAiSE, 1993)

Performance considerations in object-oriented reuse. - Andreas L. Opdahl; Guttorm Sindre; Vidar Vetland (IWSR, 1993)

Structured Analysis, Structured Design, Visual Programming. - Andreas L. Opdahl (VL, 1993)

A Taxonomy for Real-World Modelling Concepts. - Andreas L. Opdahl; Guttorm Sindre (Inf. Syst., 1994)

Facet Models for Problem Analysis - Andreas L. Opdahl; Guttorm Sindre (CAiSE, 1995)

Representing real-world processes. - Andreas L. Opdahl; Guttorm Sindre (HICSS (4), 1995)

Sensitivity Analysis of Combined Software and Hardware Performance Models: Open Queueing Networks. - Andreas L. Opdahl (Perform. Evaluation, 1995)

Towards an Integrated, Simulative Framework for Real-World Modelling. - Andreas L. Opdahl; Guttorm Sindre (HICSS (3), 1996)

Towards a Faceted Modelling Language. - Andreas L. Opdahl (ECIS, 1997)

Facet Modelling: An Approach to Flexible and Integrated Conceptual Modelling. - Andreas L. Opdahl; Guttorm Sindre (Inf. Syst., 1997)

REFSQ'97 workshop summary. - Eric Dubois 001; Andreas L. Opdahl; Klaus Pohl (ACM SIGSOFT Softw. Eng. Notes, 1998)

Workshop summary: REFSQ'98. - Andreas L. Opdahl; Klaus Pohl (ACM SIGSOFT Softw. Eng. Notes, 1998)

An Ontological Evaluation of the OML Metamodel. - Andreas L. Opdahl; Brian Henderson-Sellers; Franck Barbier (ISCO, 1999)

Guest Editors' Foreword: Programming and Software Development Environment Research in the Nordic Countries. - Khalid Azim Mughal; Andreas L. Opdahl (Nord. J. Comput., 1999)

Eliciting Security Requirements by Misuse Cases. - Guttorm Sindre; Andreas L. Opdahl (TOOLS (37), 2000)

Guest Editors' Foreword: Programming and Software Development Environment Research in the Nordic Countries. - Andreas L. Opdahl; Dag I. K. Sjøberg (Nord. J. Comput., 2000)

The Whole-Part Relationship in the Unified Modeling Language: A New Approach. - Franck Barbier; Brian Henderson-Sellers; Andreas L. Opdahl; Martin Gogolla (Unified Modeling Language: Systems Analysis, Design and Development Issues, 2001)

Ontological analysis of whole-part relationships in OO-models. - Andreas L. Opdahl; Brian Henderson-Sellers; Franck Barbier (Inf. Softw. Technol., 2001)

Erratum to "Ontological analysis of whole-part relationships in OO-models". - Andreas L. Opdahl; Brian Henderson-Sellers; Franck Barbier (Inf. Softw. Technol., 2001)

Grounding the OML metamodel in ontology. - Andreas L. Opdahl; Brian Henderson-Sellers (J. Syst. Softw., 2001)

Sixth International Workshop on Requirements Engineering: Foundation for Software Quality (REFSQ'00) - Editorial. - Klaus Pohl; Andreas L. Opdahl; Matti Rossi (Requir. Eng., 2001)

Mobile Information Systems - Research Challenges on the Conceptual and Logical Level. - John Krogstie; Kalle Lyytinen; Andreas L. Opdahl; Barbara Pernici; Keng Siau; Kari Smolander (ER (Workshops), 2002)

Editorial: Seventh International Workshop on Requirements Engineering: Foundation for Software Quality (REFSQ'01). - Camille Salinesi; Andreas L. Opdahl; Matti Rossi (Requir. Eng., 2002)

REFSQ '2001 workshop summary: Seventh International Workshop on Requirements Engineering: Foundations for Software Quality. - Camille Ben Achour; Andreas L. Opdahl; Matti Rossi (ACM SIGSOFT Softw. Eng. Notes, 2002)

Ontological Evaluation of the UML Using the Bunge-Wand-Weber Model. - Andreas L. Opdahl; Brian Henderson-Sellers (Softw. Syst. Model., 2002)

Multi-perspective multi-purpose enterprise knowledge modelling. - Andreas L. Opdahl (CE, 2003)

Research areas and challenges for mobile information systems. - John Krogstie; Kalle Lyytinen; Andreas L. Opdahl; Barbara Pernici; Keng Siau; Kari Smolander (Int. J. Mob. Commun., 2004)

A Template for Defining Enterprise Modeling Constructs. - Andreas L. Opdahl; Brian Henderson-Sellers (J. Database Manag., 2004)

Model-Supported Alignment of IS Architecture. - Andreas L. Opdahl (Encyclopedia of Information Science and Technology (IV), 2005)

A Unified Modelling Language without referential redundancy. - Andreas L. Opdahl; Brian Henderson-Sellers (Data Knowl. Eng., 2005)

Eliciting security requirements with misuse cases. - Guttorm Sindre; Andreas L. Opdahl (Requir. Eng., 2005)

Process change projects: a study of Norwegian practice. - Jon Iden; Tom R. Eikebrokk; Dag H. Olsen; Andreas L. Opdahl (ECIS, 2006)

Ontological Analysis of KAOS Using Separation of Reference. - Raimundas Matulevicius; Patrick Heymans; Andreas L. Opdahl (EMMSAD, 2006)

The UEML Approach to Modelling Construct Description. - Andreas L. Opdahl (I-ESA, 2006)

A Roadmap for UEML. - Andreas L. Opdahl; Giuseppe Berio (I-ESA, 2006)

Response to Wyssusek's "On Ontological Foundations of Conceptual Modelling". - Andreas L. Opdahl (Scand. J. Inf. Syst., 2006)

What Makes Process Modelling Effective - Modelling or Project Factors? - Jon Iden; Andreas L. Opdahl; Tom R. Eikebrokk; Dag H. Olsen (BPSC, 2007)

Preface. - Johann Eder; Stein L. Tomassen; Andreas L. Opdahl; Guttorm Sindre (CAiSE Forum, 2007)

Incorporating IDEF3 into the Unified Enterprise Modelling Language. - Mounira Harzallah; Giuseppe Berio; Andreas L. Opdahl (EDOCW, 2007)

Comparing GRL and KAOS using the UEML Approach. - Raimundas Matulevicius; Patrick Heymans; Andreas L. Opdahl (IESA, 2007)

Editorial. - Axel Hahn; Sven Abels; Mathias Uslar; Kai Mertins; John Krogstie; Andreas L. Opdahl (Int. J. Interoperability Bus. Inf. Syst., 2007)

Towards a Model of Process-Modelling Practice: Quantitative Validation and Results. - Tom R. Eikebrokk; Jon Iden; Dag H. Olsen; Andreas L. Opdahl (ECIS, 2008)

Preface to FP-UML 2008. - Juan Trujillo 001; Andreas L. Opdahl (ER Workshops, 2008)

Exploring Process-Modelling Practice: Towards a Conceptual Model. - Tom R. Eikebrokk; Jon Iden; Dag H. Olsen; Andreas L. Opdahl (HICSS, 2008)

Validating the Process-Modelling Practice Model. - Tom R. Eikebrokk; Jon Iden; Dag H. Olsen; Andreas L. Opdahl (Enterp. Model. Inf. Syst. Archit. Int. J. Concept. Model., 2008)

Editorial. - Andreas L. Opdahl (Int. J. Interoperability Bus. Inf. Syst., 2009)

Experimental comparison of attack trees and misuse cases for security threat identification. - Andreas L. Opdahl; Guttorm Sindre (Inf. Softw. Technol., 2009)

Browsing and Visualizing Semantically Enriched Information Resources. - Csaba Veres; Kristian Johansen; Andreas L. Opdahl (CISIS, 2010)

A Platform for Interoperable Domain-Specific Enterprise Modelling Based on ISO 15926. - Andreas L. Opdahl (EDOCW, 2010)

Incorporating UML Class and Activity Constructs into UEML. - Andreas L. Opdahl (ER Workshops, 2010)

Determinants to the Use of Business Process Modeling. - Tom R. Eikebrokk; Jon Iden; Dag H. Olsen; Andreas L. Opdahl (HICSS, 2010)

HARM: Hacker Attack Representation Method. - Péter Kárpáti; Andreas L. Opdahl; Guttorm Sindre (ICSOFT (Selected Papers), 2010)

Towards a Hacker Attack Representation Method. - Péter Kárpáti; Guttorm Sindre; Andreas L. Opdahl (ICSOFT (2), 2010)

Aligning the UEML Ontology with SUMO. - Andreas L. Opdahl (I-ESA, 2010)

Comparing Two Techniques for Intrusion Visualization. - Vikash Katta; Péter Kárpáti; Andreas L. Opdahl; Christian Raspotnig; Guttorm Sindre (PoEM, 2010)

Visualizing Cyber Attacks with Misuse Case Maps. - Péter Kárpáti; Guttorm Sindre; Andreas L. Opdahl (REFSQ, 2010)

The Unified Enterprise Modelling Language - Overview and further work. - Víctor Anaya; Giuseppe Berio; Mounira Harzallah; Patrick Heymans; Raimundas Matulevicius; Andreas L. Opdahl; Hervé Panetto; Maria Jose Verdecho (Comput. Ind., 2010)

Experimental Comparison of Misuse Case Maps with Misuse Cases and System Architecture Diagrams for Eliciting Security Vulnerabilities and Mitigations. - Péter Kárpáti; Andreas L. Opdahl; Guttorm Sindre (ARES, 2011)

Characterising and Analysing Security Requirements Modelling Initiatives. - Péter Kárpáti; Guttorm Sindre; Andreas L. Opdahl (ARES, 2011)

Message from the VORTE 2011 Workshop Chairs. - Dragan Gasevic; Giancarlo Guizzardi; Andreas L. Opdahl (EDOCW, 2011)

Anatomy of the Unified Enterprise Modelling Ontology. - Andreas L. Opdahl (IWEI, 2011)

Semantic annotations for modelling language interoperability. - Andreas L. Opdahl (WIMS, 2011)

Understanding the determinants of business process modelling in organisations. - Tom R. Eikebrokk; Jon Iden; Dag H. Olsen; Andreas L. Opdahl (Bus. Process. Manag. J., 2011)

Identifying and Visualising Dependability Concerns - Applications to Business Process Management. - Andreas L. Opdahl (Business Process Management Workshops, 2012)

Supporting Failure Mode and Effect Analysis: A Case Study with Failure Sequence Diagrams. - Christian Raspotnig; Andreas L. Opdahl (REFSQ, 2012)

An ontology for enterprise and information systems modelling. - Andreas L. Opdahl; Giuseppe Berio; Mounira Harzallah; Raimundas Matulevicius (Appl. Ontology, 2012)

Benefits of Different Types of Enterprise Modeling Initiatives in ICT-Enabled Process Change. - Anniken Karlsen; Andreas L. Opdahl (Int. J. Inf. Syst. Model. Des., 2012)

Improving Security and Safety Modelling with Failure Sequence Diagrams. - Andreas L. Opdahl; Christian Raspotnig (Int. J. Secur. Softw. Eng., 2012)

New perspectives in ontological analysis: Guidelines and rules for incorporating modelling languages into UEML. - Mounira Harzallah; Giuseppe Berio; Andreas L. Opdahl (Inf. Syst., 2012)

Enhancing CHASSIS: A Method for Combining Safety and Security. - Christian Raspotnig; Vikash Katta; Péter Kárpáti; Andreas L. Opdahl (ARES, 2013)

SynsetTagger: a tool for generating ontologies from semantic tags. - Csaba Veres; Kristian Johansen; Andreas L. Opdahl (WIMS, 2013)

Comparing risk identification techniques for safety and security requirements. - Christian Raspotnig; Andreas L. Opdahl (J. Syst. Softw., 2013)

Teaching semantic technologies as part of a software development program. - Andreas L. Opdahl (CSEE&T, 2014)

Comparing attack trees and misuse cases in an industrial setting. - Péter Kárpáti; Yonathan Redda; Andreas L. Opdahl; Guttorm Sindre (Inf. Softw. Technol., 2014)

Working conference summary: REFSQ 2013 - the 19th international working conference on requirements engineering: foundation for software quality. - Jörg Dörr; Andreas L. Opdahl (ACM SIGSOFT Softw. Eng. Notes, 2014)

Investigating security threats in architectural context: Experimental evaluations of misuse case maps. - Péter Kárpáti; Andreas L. Opdahl; Guttorm Sindre (J. Syst. Softw., 2015)

Extending the UML Statecharts Notation to Model Security Aspects. - Mohamed El-Attar 001; Hamza Luqman; Péter Kárpáti; Guttorm Sindre; Andreas L. Opdahl (IEEE Trans. Software Eng., 2015)

Enterprise Modelling for the Masses - From Elitist Discipline to Common Practice. - Kurt Sandkuhl; Hans-Georg Fill; Stijn Hoppenbrouwers; John Krogstie; Andreas Leue; Florian Matthes; Andreas L. Opdahl; Gerhard Schwabe; Ömer Uludag; Robert Winter 001 (PoEM, 2016)

Special issue on conceptual modeling - 34th International Conference on Conceptual Modeling (ER 2015). - Paul Johannesson; Mong-Li Lee; Stephen W. Liddle; Andreas L. Opdahl; Oscar Pastor 001 (Data Knowl. Eng., 2017)

Load-Time Reduction Techniques for Device-Agnostic Web Sites. - Eivind Mjelde; Andreas L. Opdahl (J. Web Eng., 2017)

From Expert Discipline to Common Practice: A Vision and Research Agenda for Extending the Reach of Enterprise Modeling. - Kurt Sandkuhl; Hans-Georg Fill; Stijn Hoppenbrouwers; John Krogstie; Florian Matthes; Andreas L. Opdahl; Gerhard Schwabe; Ömer Uludag; Robert Winter 001 (Bus. Inf. Syst. Eng., 2018)

Combined Assessment of Software Safety and Security Requirements: An Industrial Evaluation of the CHASSIS Method. - Christian Raspotnig; Péter Kárpáti; Andreas L. Opdahl (J. Cases Inf. Technol., 2018)

Towards Ontological Support for Journalistic Angles. - Andreas L. Opdahl; Bjørnar Tessem (BPMDS/EMMSAD@CAiSE, 2019)

Supporting Journalistic News Angles with Models and Analogies. - Bjørnar Tessem; Andreas L. Opdahl (RCIS, 2019)

Data Privacy in Journalistic Knowledge Platforms. - Marc Gallofré Ocaña; Tareq Al-Moslmi; Andreas L. Opdahl (CIKM (Workshops), 2020)

Challenges and Opportunities for Journalistic Knowledge Platforms. - Marc Gallofré Ocaña; Andreas L. Opdahl (CIKM (Workshops), 2020)

Named Entity Extraction for Knowledge Graphs: A Literature Overview. - Tareq Al-Moslmi; Marc Gallofré Ocaña; Andreas L. Opdahl; Csaba Veres (IEEE Access, 2020)

Analysis and Design of Computational News Angles. - Enrico Motta; Enrico Daga; Andreas L. Opdahl; Bjørnar Tessem (IEEE Access, 2020)

A knowledge-graph platform for newsrooms. - Arne Berven; Ole A. Christensen; Sindre Moldeklev; Andreas L. Opdahl; Kjetil J. Villanger (Comput. Ind., 2020)

Big Data. - Andreas L. Opdahl; Vimala Nunavath (CoRR, 2020)

Developing a Software Reference Architecture for Journalistic Knowledge Platforms. - Marc Gallofré Ocaña; Andreas L. Opdahl (ECSA (Companion), 2021)

Emerging News task: Detecting emerging events from social media and news feeds. - Marc Gallofré Ocaña; Andreas L. Opdahl; Duc-Tien Dang-Nguyen (MediaEval, 2021)

Knowledge Graphs and Natural-Language Processing. - Andreas L. Opdahl (CoRR, 2021)

Ontologies for finding journalistic angles. - Andreas L. Opdahl; Bjørnar Tessem (Softw. Syst. Model., 2021)

Knowledge Graph Semantic Annotation and Population with Real-Time Events Data from GDELT. - Marc Gallofré Ocaña; Tareq Al-Moslmi; Andreas L. Opdahl (CBI (2), 2022)

Responsible media technology and AI: challenges and research directions. - Christoph Trattner; Dietmar Jannach; Enrico Motta; Irene Costera Meijer; Nicholas Diakopoulos; Mehdi Elahi; Andreas L. Opdahl; Bjørnar Tessem; Njål Borch; Morten Fjeld; Lilja Øvrelid; Koenraad De Smedt; et al. (AI Ethics, 2022)

Big Data and Emergency Management: Concepts, Methodologies, and Applications. - Xuan Song 001; Haoran Zhang 002; Rajendra Akerkar; Huawei Huang; Song Guo 001; Lei Zhong; Yusheng Ji; Andreas L. Opdahl; Hemant Purohit; André Skupin; Akshay Pottathil; Aron Culotta (IEEE Trans. Big Data, 2022)

The Information Disorder Level (IDL) Index: A Human-Based Metric to Assess the Factuality of Machine-Generated Content. - Laurence Dierickx; Carl-Gustav Linden; Andreas L. Opdahl (MISDOOM, 2023)

Making Sense of Nonsense: Integrated Gradient-Based Input Reduction to Improve Recall for Check-Worthy Claim Detection. - Ghazaal Sheikhi; Andreas L. Opdahl; Samia Touileb; Vinay Setty (NAIS, 2023)

Construction of a Relevance Knowledge Graph with Application to the LOCAL News Angle. - Bjørnar Tessem; Marc Gallofré Ocaña; Andreas L. Opdahl (NAIS, 2023)

Evaluating the Effectiveness of GPT Large Language Model for News Classification in the IPTC News Ontology. - Bahareh Fatemi; Fazle Rabbi 001; Andreas L. Opdahl (IEEE Access, 2023)

Visual User-Generated Content Verification in Journalism: An Overview. - Sohail Ahmed Khan; Ghazaal Sheikhi; Andreas L. Opdahl; Fazle Rabbi 001; Sergej Stoppel; Christoph Trattner; Duc-Tien Dang-Nguyen (IEEE Access, 2023)

Semantic Knowledge Graphs for the News: A Review. - Andreas L. Opdahl; Tareq Al-Moslmi; Duc-Tien Dang-Nguyen; Marc Gallofré Ocaña; Bjørnar Tessem; Csaba Veres (ACM Comput. Surv., 2023)

A Software Reference Architecture for Journalistic Knowledge Platforms. - Marc Gallofré Ocaña; Andreas L. Opdahl (Knowl. Based Syst., 2023)

Trustworthy journalism through AI. - Andreas L. Opdahl; Bjørnar Tessem; Duc-Tien Dang-Nguyen; Enrico Motta; Vinay Setty; Eivind Throndsen; Are Tverberg; Christoph Trattner (Data Knowl. Eng., 2023)

Striking the Balance in Using LLMs for Fact-Checking: A Narrative Literature Review. - Laurence Dierickx; Arjen van Dalen; Andreas L. Opdahl; Carl-Gustav Linden (MISDOOM, 2024)

A Model-Based Framework for News Content Analysis. - Fazle Rabbi 001; Bahareh Fatemi; Yngve Lamo; Andreas L. Opdahl (MODELSWARD, 2024)

A Blackboard Model for Flexible and Parallel Text Annotation. - Marc Gallofré Ocaña; Andreas L. Opdahl (IEEE Access, 2024)

Guest Editorial: AI and the news. - Andreas L. Opdahl; Natali Helberger; Nicholas Diakopoulos (AI Mag., 2024)

Guest Editorial: On the Convergence of Enterprise Modelling and Knowledge Graphs. - Robert Buchmann; Andreas L. Opdahl; Georg Grossmann (Enterp. Model. Inf. Syst. Archit. Int. J. Concept. Model., 2024)

Benchmarking Knowledge Graph Question Answering via Complexity-Aware Queries. - Balázs Mosolygó; Andreas L. Opdahl; Guohui Xiao 001; Jiaoyan Chen; Ana Ozaki (CAiSE Workshops, 2025)