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Bjørnar Tessem

dblp:84/6562 · DBLP profile ↗
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17ranked-venue papers
8as first author
6since 2021 · last 2026
0000-0003-2623-2689ORCID · corroborated

Domains — the database's venue-derived domains; a paper can count in several

Software engineering, systems software and programming languages · 8 · 4 first-author · 1 since 2021Artificial intelligence and machine learning · 4 · 2 first-author · 2 since 2021Graphics, computer vision, multimedia, augmented reality and games · 2 · 2 since 2021Applied, interdisciplinary, general and emerging computing · 2 · 1 first-author · 1 since 2021Security and privacy · 1 · 1 first-authorDatabases, data management, data science and information retrieval · 1 · 1 since 2021

Expertise — from the expertise taxonomy: the topics of the expert's papers under the CCF categories. A weight counts papers with recency: 1 for a paper about the topic, 0.3 when the topic is its context, halved every five years.

Software engineering, system software, and programming languages
1 paper
Empirical software engineering · 100%
Artificial intelligence
1 paper
Knowledge representation and reasoning · 100%
Theoretical computer science
1 paper
Approximation and online algorithms · 100%

Topics — the 3 heaviest of 3, each with the papers that count most for it

TopicWeightPapersLastEvidence papers
Empirical software engineering
human factors in software engineering
0.112005
Human and social factors of software engineering · ICSE 2005
Knowledge, reasoning and agents › Knowledge representation and reasoning › uncertainty reasoning
belief functions
0.011993
Approximations for Efficient Computation in the Theory of Evidence · Artif. Intell. 1993
Approximation and online algorithms
approximation algorithms
0.011993
Approximations for Efficient Computation in the Theory of Evidence · Artif. Intell. 1993
YearPublicationVenuePosition
2026 Multimodal Video Summarization with Mamba and Bayesian Approach
Adane Nega Tarekegn, Fazle Rabbi 0001, Andreas L. Opdahl, Bjørnar Tessem
MMM (1)4
2025 A New Cluster Validation Index Based on Stability Analysis
Adane Nega Tarekegn, Bjørnar Tessem, Fazle Rabbi 0001
ICPRAM2
2025 Automated News Clip Generation via Robust Video Summarization
abstract
The rapid growth of video content has increased the demand for automated news clip generation. However, producing concise, engaging, and editorially compliant clips remains challenging. Existing video summarization methods show promise, yet they often struggle to maintain semantic coherence, editorial quality, and robustness, limiting their real-world applicability. To address these limitations, we propose a robust video summarization framework for news clip generation. Our approach uniquely integrates: (1) a novel contrastive loss within Generative Adversarial Networks (GANs) to enhance stability and semantic coherence, (2) Bayesian uncertainty modeling to handle noise and improve generalization, and (3) a self-attention mechanism for context-aware keyframe selection. Additionally, we incorporate user-defined editorial rules in a post-processing module to align the summaries with editorial guidelines. Extensive experiments were conducted on two standard benchmarks (TVSum and SumMe) and a real-world newsroom dataset. The results show that the proposed method achieves state-of-the-art performance on both benchmarks, outperforming prior work. On the newsroom dataset, the framework generates clips that demonstrate strong alignment with human-edited content, achieving 87-91.5% fidelity. These results highlight the practical effectiveness of our method in real-world news clip production.
Adane Nega Tarekegn, Fazle Rabbi 0001, Lubos Steskal, Bjørnar Tessem
ICTAI4
2023 Detection of Fishing Activities from Vessel Trajectories
Aida Ashrafi, Bjørnar Tessem, Katja Enberg
RCIS2
2023 Trustworthy journalism through AI
abstract
Quality journalism has become more important than ever due to the need for quality and trustworthy media outlets that can provide accurate information to the public and help to address and counterbalance the wide and rapid spread of disinformation. At the same time, quality journalism is under pressure due to loss of revenue and competition from alternative information providers. This vision paper discusses how recent advances in Artificial Intelligence (AI), and in Machine Learning (ML) in particular, can be harnessed to support efficient production of high-quality journalism. From a news consumer perspective, the key parameter here concerns the degree of trust that is engendered by quality news production. For this reason, the paper will discuss how AI techniques can be applied to all aspects of news, at all stages of its production cycle, to increase trust.
Andreas L. Opdahl, Bjørnar Tessem, Duc-Tien Dang-Nguyen, Enrico Motta, Vinay Setty, Eivind Throndsen, Are Tverberg, Christoph Trattner
Data Knowl. Eng.2
2021 Ontologies for finding journalistic angles
abstract
Abstract Journalism relies more and more on information and communication technology (ICT). ICT-basedjournalistic knowledge platformscontinuously harvest potentially news-relevant information from the Internet and make it useful for journalists. Because information about the same event is available from different sources and formats vary widely,knowledge graphsare emerging as a preferred technology for integrating, enriching, and preparing information for journalistic use. The paper explores how journalistic knowledge graphs can be augmented with support fornews angles, which can help journalists to detect newsworthy events and make them interesting for the intended audience. We argue that finding newsworthy angles on news-related information is an important example of a topical problem in information science: that of detecting interesting events and situations in big data sets and presenting those events and situations in interesting ways.
Andreas L. Opdahl, Bjørnar Tessem
Softw. Syst. Model.2
2019 Supporting Journalistic News Angles with Models and Analogies
abstract
News angles are approaches to content presentation in journalism, where the journalist chooses which facts of an event to present. The News Angler project investigates how to computationally support the creation and selection of original news angles for a news event based on information from big data sources. At least two creative approaches are possible. One is to maintain a library of well-known news angles represented in a suitable modeling language, matching published reports on a current event to news angles in order to identify possible angles that have not yet been used. A second approach is not to represent news angles explicitly, instead matching the current event with previous events, and transferring angles from past to present reports by similarity and analogy. Both approaches are described and technologies needed to proceed in either direction are discussed.
Bjørnar Tessem, Andreas L. Opdahl
RCIS1
2014 Individual empowerment of agile and non-agile software developers in small teams
Bjørnar Tessem
Inf. Softw. Technol.1
2013 The Influence of Social Media Use on Willingness to Share Location Information
Bjørnar Tessem, Lars Nyre
TrustBus1
2011 An Empirical Study of Decision Making, Participation, and Empowerment in Norwegian Software Development Organisations
Bjørnar Tessem
XP1
2011 Problems in the interplay of development and IT operations in system development projects: A Delphi study of Norwegian IT experts
Jon Iden, Bjørnar Tessem, Tero Päivärinta
Inf. Softw. Technol.2
2007 Job Satisfaction and Motivation in a Large Agile Team
Bjørnar Tessem, Frank Maurer
XP1
2007 For the Special issue on Qualitative Software Engineering Research
Yvonne Dittrich, Michael John, Janice Singer, Bjørnar Tessem
Inf. Softw. Technol.4
2005 Human and social factors of software engineering
abstract
No abstract available
Michael John, Frank Maurer, Bjørnar Tessem
ICSE3
2003 Experiences in Learning XP Practices: A Qualitative Study
Bjørnar Tessem
XP1
1993 Approximations for Efficient Computation in the Theory of Evidence
Bjørnar Tessem
Artif. Intell.1
1992 Interval probability propagation
Bjørnar Tessem
Int. J. Approx. Reason.1