Sigurður Ólafsson

8.0k total citations · 1 hit paper
97 papers, 2.5k citations indexed

About

Sigurður Ólafsson is a scholar working on Hepatology, Epidemiology and Management Science and Operations Research. According to data from OpenAlex, Sigurður Ólafsson has authored 97 papers receiving a total of 2.5k indexed citations (citations by other indexed papers that have themselves been cited), including 31 papers in Hepatology, 23 papers in Epidemiology and 19 papers in Management Science and Operations Research. Recurrent topics in Sigurður Ólafsson's work include Liver Disease Diagnosis and Treatment (18 papers), Hepatitis C virus research (16 papers) and Simulation Techniques and Applications (16 papers). Sigurður Ólafsson is often cited by papers focused on Liver Disease Diagnosis and Treatment (18 papers), Hepatitis C virus research (16 papers) and Simulation Techniques and Applications (16 papers). Sigurður Ólafsson collaborates with scholars based in United States, Iceland and Australia. Sigurður Ólafsson's co-authors include Leyuan Shi, Einar S. Björnsson, Ottar M. Bergmann, Helgi K. Björnsson, Xiaonan Li, Shuning Wu, Jong‐Seok Lee, Hieu Pham, Qun Chen and Jón G. Jónasson and has published in prestigious journals such as SHILAP Revista de lepidopterología, Gastroenterology and Hepatology.

In The Last Decade

Sigurður Ólafsson

87 papers receiving 2.4k citations

Hit Papers

Incidence, Presentation, and Outcomes in Patients With Dr... 2013 2026 2017 2021 2013 200 400 600
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. Incidence, Presentation, and Outcomes in Patients With Drug-Induced Liver Injury in the General Population of Iceland
    2013 611 citations Einar S. Björnsson, Ottar M. Bergmann et al. Gastroenterology profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Sigurður Ólafsson United States 25 680 592 591 470 386 97 2.5k
Jung‐Fa Tsai Taiwan 29 44 0.1× 467 0.8× 508 0.9× 235 0.5× 292 0.8× 138 2.5k
Jigar Patel United States 24 62 0.1× 144 0.2× 17 0.0× 43 0.1× 605 1.6× 76 2.8k
Guosheng Yin Hong Kong 37 108 0.2× 114 0.2× 19 0.0× 27 0.1× 1.0k 2.7× 208 4.6k
David Madigan United States 24 81 0.1× 239 0.4× 19 0.0× 14 0.0× 130 0.3× 47 2.6k
Boxin Tang Canada 28 211 0.3× 78 0.1× 12 0.0× 507 1.1× 1.6k 4.2× 84 2.8k
Dechang Chen United States 29 54 0.1× 511 0.9× 11 0.0× 30 0.1× 162 0.4× 135 3.2k
Kwong‐Sak Leung Hong Kong 26 29 0.0× 60 0.1× 19 0.0× 80 0.2× 286 0.7× 81 2.1k
Jian Lin China 29 20 0.0× 75 0.1× 13 0.0× 788 1.7× 270 0.7× 96 2.4k
Yutaka Takahashi Japan 23 9 0.0× 103 0.2× 58 0.1× 79 0.2× 235 0.6× 206 2.6k
Henrik Boström Sweden 27 87 0.1× 109 0.2× 7 0.0× 45 0.1× 87 0.2× 167 2.4k

Countries citing papers authored by Sigurður Ólafsson

Since Specialization
Citations

This map shows the geographic impact of Sigurður Ólafsson's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Sigurður Ólafsson with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Sigurður Ólafsson more than expected).

Fields of papers citing papers by Sigurður Ólafsson

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Sigurður Ólafsson. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Sigurður Ólafsson. The network helps show where Sigurður Ólafsson may publish in the future.

Co-authorship network of co-authors of Sigurður Ólafsson

This figure shows the co-authorship network connecting the top 25 collaborators of Sigurður Ólafsson. A scholar is included among the top collaborators of Sigurður Ólafsson based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Sigurður Ólafsson. Sigurður Ólafsson is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Ólafsson, Sigurður, et al.. (2025). Learning ensembles of interpretable simple structure. Annals of Operations Research. 353(2). 841–869. 1 indexed citations
2.
Kristjánsson, Sigurður, Sigurður Ólafsson, Magnús Gottfreðsson, Þorvarður Jón Löve, & Einar S. Björnsson. (2025). Clinically Important Decrease in Liver Stiffness Following Treatment for Hepatitis C: Outcome of the TraP HepC Nationwide Elimination Program. Journal of Clinical Medicine. 14(11). 3982–3982.
3.
Kremer, Gül E. Okudan, et al.. (2024). AI-Driven Crack Detection for Remanufacturing Cylinder Heads Using Deep Learning and Engineering-Informed Data Augmentation. SHILAP Revista de lepidopterología. 5(4). 578–596.
4.
5.
Pham, Hieu, et al.. (2019). biclustermd: An R Package for Biclustering with Missing Values. The R Journal. 11(2). 69–69. 3 indexed citations
6.
Ólafsson, Sigurður, Þórarinn Tyrfingsson, Valgerður Rúnarsdóttir, et al.. (2019). THU-412-Iceland may already have reached the WHO 2030 targets for diagnosis and treatment of hepatitis C virus infection: Results from the treatment as prevention for hepatitis C (Trap HepC) program. Journal of Hepatology. 70(1). e337–e338. 8 indexed citations
7.
Ólafsson, Sigurður, et al.. (2017). Lifetime drinking history in patients with alcoholic liver disease and patients with alcohol use disorder without liver disease. Scandinavian Journal of Gastroenterology. 52(6-7). 762–767. 21 indexed citations
8.
Björnsson, Helgi K., Sigurður Ólafsson, Ottar M. Bergmann, & Einar S. Björnsson. (2014). Sa1301 A Prospective Study on the Causes of Notably Raised Alanine Aminotransferase (ALT). Gastroenterology. 146(5). S–256. 1 indexed citations
9.
Jóhannsson, Magnús, Magnús Jóhannsson, Sif Ormarsdóttir, & Sigurður Ólafsson. (2010). Lifrarskaði tengdur notkun á Herbalife. Læknablaðið. 2010(3). 167–172. 24 indexed citations
10.
Ólafsson, Sigurður, et al.. (2009). Simulation optimization with Hybrid Golden Region search. Proceedings of the 2009 Winter Simulation Conference (WSC). 13. 551–562. 2 indexed citations
11.
Lee, Jong‐Seok & Sigurður Ólafsson. (2008). Two-way cooperative prediction for collaborative filtering recommendations. Expert Systems with Applications. 36(3). 5353–5361. 34 indexed citations
12.
Ólafsson, Sigurður, et al.. (2007). Allocation of simulation runs for simulation optimization. Winter Simulation Conference. 363–371. 6 indexed citations
13.
Ólafsson, Sigurður, H Gudjónsson, Carlo Selmi, et al.. (2004). Antimitochondrial Antibodies and Reactivity to N. Aromaticivorans Proteins in Icelandic Patients with Primary Biliary Cirrhosis and Their Relatives. The American Journal of Gastroenterology. 99(11). 2143–2146. 40 indexed citations
14.
Ólafsson, Sigurður, et al.. (2003). Simulation optimization. 1. 79–84. 68 indexed citations
15.
Ólafsson, Sigurður, et al.. (2002). Optimization via simulation: two-stage NP method with inheritance. Winter Simulation Conference. 279–284. 1 indexed citations
16.
Ólafsson, Sigurður & Leyuan Shi. (2002). Ordinal Comparison via the Nested Partitions Method. Discrete Event Dynamic Systems. 12(2). 211–239. 6 indexed citations
17.
Ólafsson, Sigurður, et al.. (2001). Simulation optimization: towards a framework for black-box simulation optimization. Winter Simulation Conference. 300–306. 3 indexed citations
18.
Ólafsson, Sigurður, Jónas Hallgrímsson, & Sigmundur Gudbjarnason. (2000). Dietary cod liver oil decreases arachidonic acid in rat gastric mucosa and increases stress‐induced gastric erosions. Lipids. 35(6). 601–605. 3 indexed citations
19.
Shi, Leyuan, Sigurður Ólafsson, & Qiuyue Chen. (1999). A new hybrid optimization algorithm. Computers & Industrial Engineering. 36(2). 409–426. 19 indexed citations
20.
Ólafsson, Sigurður & Leyuan Shi. (1998). Stopping criterion for a simulation-based optimization method. Winter Simulation Conference. 1. 743–750. 5 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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