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Measuring the Efficiency of Web Site Traffic Generation
Alpar, Paul; Porembski, Marcus; Pickerodt, Sebastian - In: International journal of electronic commerce : IJEC 6 (2001) 1, pp. 53-74
Persistent link: https://www.econbiz.de/10006038176
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Visualizing Efficiency and Reference Relations in Data Envelopment Analysis with an Application to the Branches of a German Bank
Porembski, Marcus; Breitenstein, Kristina; Alpar, Paul - In: Journal of productivity analysis 23 (2005) 2, pp. 203-222
Persistent link: https://www.econbiz.de/10007024179
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Cutting Planes for Low-Rank-Like Concave Minimization Problems
Porembski, Marcus - In: Operations research : the journal of the Operations … 52 (2004) 6, pp. 942-953
Persistent link: https://www.econbiz.de/10006417484
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On the hierarchy of γ-valid cuts in global optimization
Porembski, Marcus - In: Naval research logistics : an international journal 55 (2008) 1, pp. 1-15
Persistent link: https://www.econbiz.de/10007896733
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Cone Adaptation Strategies for a Finite and Exact Cutting Plane Algorithm for Concave Minimization
Porembski, Marcus - In: Journal of global optimization : an international … 24 (2002) 1, pp. 89
Persistent link: https://www.econbiz.de/10007166160
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Finitely convergent cutting planes for concave minimization
Porembski, Marcus - In: Journal of global optimization : an international … 20 (2001) 2, pp. 109-132
Persistent link: https://www.econbiz.de/10007172996
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How to Extend the Concept of Convexity Cuts to Derive Deeper Cutting Planes
Porembski, Marcus - In: Journal of global optimization : an international … 15 (1999) 4, pp. 371-404
Persistent link: https://www.econbiz.de/10007182527
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A New Successive Partition Algorithm for Concave Minimization Based on Cone Decomposition and Decomposition Cuts
Porembski, Marcus - In: Journal of global optimization : an international … 29 (2004) 2, pp. 191-224
Persistent link: https://www.econbiz.de/10007152367
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Market share analysis and prognosis using qualitative reasoning
Alpar, P.; Dilger, W. - In: Decision support systems : DSS ; the international journal 15 (1995) 2, pp. 133-146
Persistent link: https://www.econbiz.de/10006213193
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Electronic Commerce im Internet - ein Überblick
Alpar, P.; Pickerodt, S. - In: Industrie-Management : Zeitschrift für industrielle … (1998) 1, pp. 34-38
Persistent link: https://www.econbiz.de/10007065170