Sigurdur Ólafsson: search on Z-Library

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1

A prospective study on the causes of notably raised alanine aminotransferase (ALT)

Björnsson, Helgi Kristinn, Olafsson, Sigurdur, Bergmann, Ottar M., Björnsson, Einar S.

Journal:

Scandinavian Journal of Gastroenterology

Year:

2016

Language:

english

File:

PDF, 909 KB

english, 2016

2

Nested Partitions Method for Global Optimization

Leyuan Shi and Sigurdur Ólafsson

Journal:

Operations Research

Year:

2000

Language:

english

File:

PDF, 3.19 MB

english, 2000

3

THE ENGINEERING LEARNING PORTAL FOR PROBLEM SOLVING: EXPERIENCE IN A LARGE ENGINEERING ECONOMY CLASS

Ryan, Sarah M., Jackman, John K., Peters, Frank E., Ólafsson, Sigurđur, Huba, Mary E.

Journal:

The Engineering Economist

Year:

2004

Language:

english

File:

PDF, 135 KB

english, 2004

4

Two-way cooperative prediction for collaborative filtering recommendations

Jong-Seok Lee, Sigurdur Olafsson

Journal:

Expert Systems with Applications

Year:

2009

Language:

english

File:

PDF, 352 KB

english, 2009

5

Molybdenum isotope behaviour in groundwaters and terrestrial hydrothermal systems, Iceland

Neely, Rebecca A., Gislason, Sigurdur R., Ólafsson, Magnus, McCoy-West, Alex J., Pearce, Christopher R., Burton, Kevin W.

Journal:

Earth and Planetary Science Letters

Year:

2018

Language:

english

File:

PDF, 1.89 MB

english, 2018

6

An Optimization Framework for Product Design

Shi, Leyuan, Ólafsson, Sigurdur, Chen, Qun

Journal:

Management Science

Year:

2001

Language:

english

File:

PDF, 190 KB

english, 2001

7

An Optimization Framework for Product Design

Leyuan Shi, Sigurdur Ólafsson and Qun Chen

Journal:

Management Science

Year:

2001

Language:

english

File:

PDF, 2.22 MB

english, 2001

8

Classification for predicting offender affiliation with murder victims

Rui Yang, Sigurdur Olafsson

Journal:

Expert Systems with Applications

Year:

2011

Language:

english

File:

PDF, 520 KB

english, 2011

9

Bagged ensembles with tunable parameters

Pham, Hieu, Olafsson, Sigurdur

Journal:

Computational Intelligence

Year:

2018

Language:

english

File:

PDF, 995 KB

english, 2018

10

Dental health of patients with Parkinson's disease in Iceland

Erna Rún Einarsdóttir, Hallfrídur Gunnsteinsdóttir, Margrét Huld Hallsdóttir, Sigurjón Sveinsson, Sonja Rut Jónsdóttir, Vilhelm Grétar Olafsson, Thorvaldur Halldór Bragason, Sigurdur Rúnar Sæmundsson,

Journal:

Special Care in Dentistry

Year:

2009

Language:

english

File:

PDF, 488 KB

english, 2009

11

Two-Stage Nested Partitions Method for Stochastic Optimization

Sigurdur Ólafsson

Journal:

Methodology and Computing in Applied Probability

Year:

2004

Language:

english

File:

PDF, 343 KB

english, 2004

12

Screening for Health Risks : How Useful Is a Questionnaire Response Showing Positive Family History of Myocardial Infarction, Hypertension or Cerebral Stroke?

Gunnar Sigurdsson, Nikulas Sigfusson, Thorsteinn Thorsteinsson, Olafur Olafsson, David Davidsson, Sigurdur Samuelsson

Journal:

Journal of Internal Medicine

Year:

1983

Language:

english

File:

PDF, 457 KB

english, 1983

13

Chronic airflow obstruction and markers of systemic inflammation: Results from the BOLD study in Iceland

Sigurdur James Thorleifsson, Olof Birna Margretardottir, Gunnar Gudmundsson, Isleifur Olafsson, Bryndis Benediktsdottir, Christer Janson, A. Sonia Buist, Thorarinn Gislason

Journal:

Respiratory Medicine

Year:

2009

Language:

english

File:

PDF, 177 KB

english, 2009

14

A meta-learning approach for determining the number of clusters with consideration of nearest neighbors

Lee, Jong-Seok, Olafsson, Sigurdur

Journal:

Information Sciences

Year:

2013

Language:

english

File:

PDF, 774 KB

english, 2013

15

Risk of Drug-Induced Liver Injury From Tumor Necrosis Factor Antagonists

Björnsson, Einar S., Gunnarsson, Baldvin I., Gröndal, Gerdur, Jonasson, Jon G., Einarsdottir, Rannveig, Ludviksson, Björn R., Gudbjörnsson, Björn, Olafsson, Sigurdur

Journal:

Clinical Gastroenterology and Hepatology

Year:

2015

Language:

english

File:

PDF, 639 KB

english, 2015

16

Mo1459 - Increased Incidence of Autoimmune Hepatitis is Associated with Wider Use of Biological Drugs

Valgeirsson, Kjartan B., Björnsson, Einar, Olafsson, Sigurdur, Bergmann, Ottar

Journal:

Gastroenterology

Year:

2018

Language:

english

File:

PDF, 393 KB

english, 2018

17

Operations research and data mining

Sigurdur Olafsson, Xiaonan Li, Shuning Wu

Journal:

European Journal of Operational Research

Year:

2008

Language:

english

File:

PDF, 468 KB

english, 2008

18

Hepatitis E masquerading as drug-induced liver injury

Chen, Emerson Y., Baum, Karl, Collins, William, Löve, Arthur, Merz, Michael, Olafsson, Sigurdur, Björnsson, Einar S., Lee, William M.

Journal:

Year:

2012

Language:

english

File:

PDF, 486 KB

english, 2012

19

Origin of Atlantic salmon ( Salmo salar ) at sea in Icelandic waters

Olafsson, Kristinn, Einarsson, Sigurdur M., Gilbey, John, Pampoulie, Christophe, Hreggvidsson, Gudmundur O., Hjorleifsdottir, Sigridur, Gudjonsson, Sigurdur

Journal:

ICES Journal of Marine Science

Year:

2015

Language:

english

File:

PDF, 547 KB

english, 2015

20

Ammonia-induced brain edema and intracranial hypertension in rats after portacaval anastomosis

Andres T. Blei, Sigurdur Olafsson, Guy Therrien, Roger F. Butterworth

Journal:

Year:

1994

Language:

english

File:

PDF, 818 KB

english, 1994

21

Hypertension, Systemic Inflammation and Body Weight in Relation to Lung Function Impairment—An Epidemiological Study

Margretardottir, Olof Birna, Thorleifsson, Sigurdur James, Gudmundsson, Gunnar, Olafsson, Isleifur, Benediktsdottir, Bryndis, Janson, Christer, Buist, A. Sonia, Gislason, Thorarinn

Journal:

COPD Journal of Chronic Obstructive Pulmonary Disease

Year:

2009

Language:

english

File:

PDF, 227 KB

english, 2009

22

384 The Risk of Drug-Induced Liver Injury From Tumor Necrosis Factor (TNF)-a Antagonists

Gunnarsson, Baldvin I., Grondal, Gerdur, Ludviksson, Bjorn R., Einarsdottir, Rannveig, Olafsson, Sigurdur, Jonasson, Jon G., Bjornsson, Einar

Journal:

Gastroenterology

Year:

2014

Language:

english

File:

PDF, 48 KB

english, 2014

23

An Integer Programming approach for scheduling inbound calls in call centres

Vuthipadadon, Somchan, Olafsson, Sigurdur

Journal:

International Journal of Operational Research

Year:

2007

Language:

english

File:

PDF, 347 KB

english, 2007

24

Focused issue on operations research and data mining

Sigurdur Olafsson

Journal:

Computers & Operations Research

Year:

2003

Language:

english

File:

PDF, 47 KB

english, 2003

25

Community Screening for Glucose Intolerance in Middle-Aged Icelandic Men : Deterioration to Diabetes over a Period of 7 ½ Years

Gunnar Sigurdsson, Gizur Gottskàlksson, Thorsteinn Thorsteinsson, David Davidsson, Olafur Olafsson, Sigurdur Samuelsson, Nikulas Sigfusson

Journal:

Journal of Internal Medicine

Year:

1981

Language:

english

File:

PDF, 515 KB

english, 1981

26

Novel set of multiplex assays (SalPrint15) for efficient analysis of 15 microsatellite loci of contemporary samples of the Atlantic salmon (Salmo salar)

KRISTINN OLAFSSON, SIGRIDUR HJORLEIFSDOTTIR, CHRISTOPHE PAMPOULIE, GUDMUNDUR OLI HREGGVIDSSON, SIGURDUR GUDJONSSON

Journal:

Molecular Ecology Resources

Year:

2010

Language:

english

File:

PDF, 146 KB

english, 2010

27

A compensating income variation approach to valuing 34 health conditions in Iceland

Asgeirsdottir, Tinna Laufey, Birgisdottir, Kristin Helga, Ólafsdóttir, Thorhildur, Olafsson, Sigurdur Pall

Journal:

Economics & Human Biology

Year:

2017

Language:

english

File:

PDF, 1.04 MB

english, 2017

28

Synthesis and characterization of magnetic (Cr0.5Mn0.5)2GaC thin films

Petruhins, Andrejs, Ingason, Arni Sigurdur, Lu, Jun, Magnus, Fridrik, Olafsson, Sveinn, Rosen, Johanna

Journal:

Journal of Materials Science

Year:

2015

Language:

english

File:

PDF, 1.41 MB

english, 2015

29

Genotype-phenotype interactions in Wilson's disease: insight from an Icelandic mutation

Palsson, Runolfur, Jonasson, Jon Gunnlaugur, Kristjansson, Mar, Bodvarsson, Asgeir, Goldin, Robert D., Cox, Diane W., Olafsson, Sigurdur

Journal:

European Journal of Gastroenterology & Hepatology

Year:

2001

Language:

english

File:

PDF, 131 KB

english, 2001

30

Data clustering by minimizing disconnectivity

Jong-Seok Lee, Sigurdur Olafsson

Journal:

Information Sciences

Year:

2011

Language:

english

File:

PDF, 1.11 MB

english, 2011

31

[Handbooks in Operations Research and Management Science] Simulation Volume 13 || Chapter 21 Metaheuristics

Ólafsson, Sigurdur

Year:

2006

Language:

english

File:

PDF, 165 KB

english, 2006

32

Sa1045 Major Increase in the Incidence of Cirrhosis in Iceland Results in an Increase in Liver Transplantation Rate

Olafsson, Sigurdur, Claessen, Lara O.E., Rognvaldsson, Sigurjon R., Bergmann, Ottar M., Jonasson, Jon G., Bjornsson, Einar S.

Journal:

Gastroenterology

Year:

2014

Language:

english

File:

PDF, 84 KB

english, 2014

33

The Theistareykir Geothermal Field, NE Iceland: Fluid Chemistry and Production Properties

Óskarsson, Finnbogi, Ármannsson, Halldór, Ólafsson, Magnús, Sveinbjörnsdóttir, Árný E., Markússon, Sigurdur H.

Journal:

Procedia Earth and Planetary Science

Year:

2013

Language:

english

File:

PDF, 606 KB

english, 2013

34

Sa1565 Prevalence of Hepatitis E Among Patients Suspected of Drug-Induced Liver Injury, Pig Farm Workers and in the General Population of Iceland

Bjornsson, Einar, Olafsson, Sigurdur, Björnsdottir, Thora, Löve, Arthur

Journal:

Gastroenterology

Year:

2016

Language:

english

File:

PDF, 821 KB

english, 2016

35

The Interaction of Obstructive Sleep Apnea and Obesity on the Inflammatory Markers C-Reactive Protein and Interleukin-6: The Icelandic Sleep Apnea Cohort

Arnardottir, Erna S., Maislin, Greg, Schwab, Richard J., Staley, Bethany, Benediktsdottir, Bryndis, Olafsson, Isleifur, Juliusson, Sigurdur, Romer, Micah, Gislason, Thorarinn, Pack, Allan I.

Journal:

Year:

2012

Language:

english

File:

PDF, 5.15 MB

english, 2012

36

Incidence, Presentation, and Outcomes in Patients With Drug-Induced Liver Injury in the General Population of Iceland

Björnsson, Einar S., Bergmann, Ottar M., Björnsson, Helgi K., Kvaran, Runar B., Olafsson, Sigurdur

Journal:

Gastroenterology

Year:

2013

Language:

english

File:

PDF, 368 KB

english, 2013

37

Brain edema and intracranial hypertension in rats after total hepatectomy

Sigurdur Olafsson, Jeanne Gottstein, Andres T. Blei

Journal:

Gastroenterology

Year:

1995

Language:

english

File:

PDF, 635 KB

english, 1995

38

Low prevalence of hepatitis E in Iceland: a seroepidemiological study

Löve, Arthur, Björnsdottir, Thora B., Olafsson, Sigurdur, Björnsson, Einar S.

Journal:

Scandinavian Journal of Gastroenterology

Year:

2018

Language:

english

File:

PDF, 665 KB

english, 2018

39

New parallel randomized algorithms for the traveling salesman problem

Leyuan Shi, Sigurdur Ólafsson, Ning Sun

Journal:

Computers & Operations Research

Year:

1999

Language:

english

File:

PDF, 229 KB

english, 1999

40

Sa1301 A Prospective Study on the Causes of Notably Raised Alanine Aminotransferase (ALT)

Bjornsson, Helgi K., Olafsson, Sigurdur, Bergmann, Ottar M., Bjornsson, Einar

Journal:

Gastroenterology

Year:

2014

Language:

english

File:

PDF, 629 KB

english, 2014

41

Synthesis and characterization of arc deposited magnetic (Cr,Mn) 2 AlC MAX phase films

Mockute, Aurelija, Persson, Per O. Å., Magnus, Fridrik, Ingason, Arni Sigurdur, Olafsson, Sveinn, Hultman, Lars, Rosen, Johanna

Journal:

physica status solidi (RRL) - Rapid Research Letters

Year:

2014

Language:

english

File:

PDF, 585 KB

english, 2014

42

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

Olafsson, Sigurdur, Fridriksdottir, Ragnheidur H., Tyrfingsson, Thorarinn, Runarsdottir, Valgerdur, Hansdottir, Ingunn, Bergmann, Ottar M., Björnsson, Einar S., Johannsson, Birgir, Sigurdardottir, Bry

Journal:

Journal of Hepatology

Year:

2019

Language:

english

File:

PDF, 377 KB

english, 2019

43

[IEEE 2007 Winter Simulation Conference - Washington, DC, USA (2007.12.9-2007.12.12)] 2007 Winter Simulation Conference - Allocation of simulation runs for simulation optimization

Kabirian, Alireza, Olafsson, Sigurdur

Year:

2007

Language:

english

File:

PDF, 608 KB

english, 2007

44

Airflow obstruction, atherosclerosis and cardiovascular risk factors in the AGES Reykjavik study

Gudmundsson, Gunnar, Margretardottir, Olof Birna, Sigurdsson, Martin Ingi, Harris, Tamara B., Launer, Lenore J., Sigurdsson, Sigurdur, Olafsson, Orn, Aspelund, Thor, Gudnason, Vilmundur

Journal:

Atherosclerosis

Year:

2016

Language:

english

File:

PDF, 286 KB

english, 2016

45

Availability of arachidonic acid in major phospholipids of mucosa and the stomach wall of rats

Sigurdur Oli Olafsson, Sigmundur Gudbjarnason

Journal:

Year:

1996

Language:

english

File:

PDF, 404 KB

english, 1996

46

Antimitochondrial Antibodies and Reactivity to N. Aromaticivorans Proteins in Icelandic Patients with Primary Biliary Cirrhosis and Their Relatives

Olafsson, Sigurdur, Gudjonsson, Hallgrimur, Selmi, Carlo, Amano, Katsushi, Invernizzi, Pietro, Podda, Mauro, Gershwin, M. Eric

Journal:

American Journal of Gastroenterology

Year:

2004

Language:

english

File:

PDF, 78 KB

english, 2004

47

[ACM Press the 29th conference - Atlanta, Georgia, United States (1997.12.07-1997.12.10)] Proceedings of the 29th conference on Winter simulation - WSC '97 - An integrated framework for deterministic and stochastic optimization

Shi, Leyuan, Ólafsson, Sigurdur

Year:

1997

Language:

english

File:

PDF, 884 KB

english, 1997

48

[American Thoracic Society American Thoracic Society 2012 International Conference, May 18-23, 2012 • San Francisco, California - ()] B109. SLEEP DISORDERED BREATHING AND CARDIOVASCULAR DISEASE: OF RODENTS AND HUMANS - Obstructive Sleep Apnea, Obesity And Dyslipidemia

Sunwoo, Bernie Y., Jackson, Nicholas, Arnardottir, Erna S., Olafsson, Isleifur, Juliusson, Sigurdur, Benedikstdottir, Bryndis, Reilly, Muredach, Gislason, Thorarinn, Pack, Allan

Year:

2012

Language:

english

File:

PDF, 58 KB

english, 2012

49

Are specific guidelines necessary for treatment of esophageal varices in the Nordic countries?

Björnsson, Einar, Björnsson, Einar, Aabakken, Lars, Olafsson, Sigurdur, Bendtsen, Flemming

Journal:

Scandinavian Journal of Gastroenterology

Year:

2009

Language:

english

File:

PDF, 141 KB

english, 2009

50

Data mining for recognizing patterns in foodborne disease outbreaks

Maitri Thakur, Sigurdur Olafsson, Jong-Seok Lee, Charles R. Hurburgh

Journal:

Journal of Food Engineering

Year:

2010

Language:

english

File:

PDF, 987 KB

english, 2010

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