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Stephan Kolassa
Stephan Kolassa
Data Science Expert, SAP AG
Verified email at sap.com - Homepage
Title
Cited by
Cited by
Year
Forecasting: theory and practice
F Petropoulos, D Apiletti, V Assimakopoulos, MZ Babai, DK Barrow, ...
International Journal of Forecasting 38 (3), 705-871, 2022
5122022
Supply chain forecasting: Theory, practice, their gap and the future
AA Syntetos, Z Babai, JE Boylan, S Kolassa, K Nikolopoulos
European Journal of Operational Research 252 (1), 1-26, 2016
3322016
The risk of posttraumatic stress disorder after trauma depends on traumatic load and the catechol-O-methyltransferase Val158Met polymorphism
IT Kolassa, S Kolassa, V Ertl, A Papassotiropoulos, JF Dominique
Biological psychiatry 67 (4), 304-308, 2010
2952010
Spontaneous remission from PTSD depends on the number of traumatic event types experienced.
IT Kolassa, V Ertl, C Eckart, S Kolassa, LP Onyut, T Elbert
Psychological Trauma: Theory, Research, Practice, and Policy 2 (3), 169, 2010
2932010
Retail forecasting: Research and practice
R Fildes, S Ma, S Kolassa
International Journal of Forecasting 38 (4), 1283-1318, 2022
2662022
Posttraumatic stress disorder is associated with an enhanced spontaneous production of pro-inflammatory cytokines by peripheral blood mononuclear cells
H Gola, H Engler, A Sommershof, H Adenauer, S Kolassa, M Schedlowski, ...
BMC psychiatry 13, 1-8, 2013
2492013
Mitochondrial respiration in peripheral blood mononuclear cells correlates with depressive subsymptoms and severity of major depression
A Karabatsiakis, C Böck, J Salinas-Manrique, S Kolassa, E Calzia, ...
Translational psychiatry 4 (6), e397-e397, 2014
2262014
Association Study of Trauma Load and SLC6A4 Promoter Polymorphism in Posttraumatic Stress Disorder: Evidence From Survivors of the Rwandan Genocide
IT Kolassa, V Ertl, C Eckart, F Glöckner, S Kolassa, A Papassotiropoulos, ...
The Journal of clinical psychiatry 71 (5), 1557, 2010
1852010
Evaluating predictive count data distributions in retail sales forecasting
S Kolassa
International Journal of Forecasting 32 (3), 788-803, 2016
1752016
How to quantify exposure to traumatic stress? Reliability and predictive validity of measures for cumulative trauma exposure in a post-conflict population
S Wilker, A Pfeiffer, S Kolassa, D Koslowski, T Elbert, IT Kolassa
European Journal of Psychotraumatology 6 (1), 28306, 2015
1712015
Advantages of the MAD/MEAN ratio over the MAPE
S Kolassa, W Schütz
Foresight: The International Journal of Applied Forecasting, 40-43, 2007
1342007
Combining exponential smoothing forecasts using Akaike weights
S Kolassa
International Journal of Forecasting 27 (2), 238-251, 2011
1282011
Event-related potentials to schematic faces in social phobia
IT Kolassa, S Kolassa, F Musial, WHR Miltner
Cognition and Emotion 21 (8), 1721-1744, 2007
1142007
Interpretive bias in social phobia: An ERP study with morphed emotional schematic faces
IT Kolassa, S Kolassa, S Bergmann, R Lauche, S Dilger, WHR Miltner, ...
Cognition and emotion 23 (1), 69-95, 2009
1092009
Effects of psychotherapy on DNA strand break accumulation originating from traumatic stress
J Morath, M Moreno-Villanueva, G Hamuni, S Kolassa, M Ruf-Leuschner, ...
Psychotherapy and psychosomatics 83 (5), 289-297, 2014
962014
Event-related potentials when identifying or color-naming threatening schematic stimuli in spider phobic and non-phobic individuals
IT Kolassa, F Musial, S Kolassa, WHR Miltner
Bmc Psychiatry 6, 1-12, 2006
962006
Victims of rape show increased cortisol responses to trauma reminders: a study in individuals with war-and torture-related PTSD
H Gola, H Engler, M Schauer, H Adenauer, C Riether, S Kolassa, T Elbert, ...
Psychoneuroendocrinology 37 (2), 213-220, 2012
902012
The role of FKBP5 genotype in moderating long-term effectiveness of exposure-based psychotherapy for posttraumatic stress disorder
S Wilker, A Pfeiffer, S Kolassa, T Elbert, B Lingenfelder, E Ovuga, ...
Translational psychiatry 4 (6), e403-e403, 2014
852014
The effect of trauma-focused therapy on the altered T cell distribution in individuals with PTSD: evidence from a randomized controlled trial
J Morath, H Gola, A Sommershof, G Hamuni, S Kolassa, C Catani, ...
Journal of psychiatric research 54, 1-10, 2014
812014
Cognitive change is more positively associated with an active lifestyle than with training interventions in older adults at risk of dementia: a controlled interventional …
OC Küster, P Fissler, D Laptinskaya, F Thurm, A Scharpf, A Woll, ...
BMC psychiatry 16, 1-12, 2016
792016
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