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1

Konzeption und Umsetzung einer Customer Lifetime Value-Berechnung am Beispiel der Luftfahrtindustrie

Losch, Nadine, Möller, Klaus, Quaiser, Benjamin, Bortfeldt, Sophie

Journal:

Schmalenbachs Zeitschrift für betriebswirtschaftliche Forschung

Year:

2013

Language:

german

File:

PDF, 221 KB

german, 2013

2

A parallel tabu search algorithm for solving the container loading problem

A Bortfeldt, H Gehring, D Mack

Journal:

Parallel Computing

Year:

2003

Language:

english

File:

PDF, 241 KB

english, 2003

3

A hybrid genetic algorithm for the container loading problem

Andreas Bortfeldt, Hermann Gehring

Journal:

European Journal of Operational Research

Year:

2001

Language:

english

File:

PDF, 528 KB

english, 2001

4

A hybrid algorithm for the vehicle routing problem with backhauls, time windows and three-dimensional loading constraints

Koch, Henriette, Bortfeldt, Andreas, Wäscher, Gerhard

Journal:

Year:

2018

Language:

english

File:

PDF, 1.10 MB

english, 2018

5

Antibacterial defense and sperm quality in boar ejaculates

Schulze, Martin, Czirják, Gábor Á., Müller, Karin, Bortfeldt, Ralf, Jung, Markus, Jakop, Ulrike

Journal:

Journal of Reproductive Immunology

Year:

2019

Language:

english

File:

PDF, 517 KB

english, 2019

6

X-ray field compensation with multileaf collimation

A.L. Boyer, T. Bortfeldt, D. Kahler, G. Starkschall, T. Waldron

Journal:

International Journal of Radiation Oncology*Biology*Physics

Year:

1993

Language:

english

File:

PDF, 98 KB

english, 1993

7

A heuristic for the three-dimensional strip packing problem

Andreas Bortfeldt, Daniel Mack

Journal:

European Journal of Operational Research

Year:

2007

Language:

english

File:

PDF, 306 KB

english, 2007

8

A genetic algorithm for the two-dimensional strip packing problem with rectangular pieces

Andreas Bortfeldt

Journal:

European Journal of Operational Research

Year:

2006

Language:

english

File:

PDF, 593 KB

english, 2006

9

A Parallel Genetic Algorithm for Solving the Container Loading Problem

Hermann Gehring, Andreas Bortfeldt

Journal:

International Transactions in Operational Research

Year:

2002

Language:

english

File:

PDF, 137 KB

english, 2002

10

A parallel hybrid local search algorithm for the container loading problem

D. Mack, A. Bortfeldt, H. Gehring

Journal:

International Transactions in Operational Research

Year:

2004

Language:

english

File:

PDF, 231 KB

english, 2004

11

A tree search algorithm for solving the multi-dimensional strip packing problem with guillotine cutting constraint

Andreas Bortfeldt, Sabine Jungmann

Journal:

Annals of Operations Research

Year:

2012

Language:

english

File:

PDF, 615 KB

english, 2012

12

A hybrid algorithm for the capacitated vehicle routing problem with three-dimensional loading constraints

Andreas Bortfeldt

Journal:

Computers & Operations Research

Year:

2012

Language:

english

File:

PDF, 306 KB

english, 2012

13

A tree search procedure for the container pre-marshalling problem

Andreas Bortfeldt, Florian Forster

Journal:

European Journal of Operational Research

Year:

2012

Language:

english

File:

PDF, 877 KB

english, 2012

14

Packing first, routing second—a heuristic for the vehicle routing and loading problem

Bortfeldt, Andreas, Homberger, Jörg

Journal:

Computers & Operations Research

Year:

2013

Language:

english

File:

PDF, 463 KB

english, 2013

15

A reduction approach for solving the rectangle packing area minimization problem

Bortfeldt, Andreas

Journal:

European Journal of Operational Research

Year:

2013

Language:

english

File:

PDF, 362 KB

english, 2013

16

Constraints in container loading – A state-of-the-art review

Bortfeldt, Andreas, Wäscher, Gerhard

Journal:

European Journal of Operational Research

Year:

2013

Language:

english

File:

PDF, 775 KB

english, 2013

17

A Tree Search Algorithm for Solving the Container Loading Problem

Fanslau, Tobias, Bortfeldt, Andreas

Journal:

INFORMS Journal on Computing

Year:

2010

Language:

english

File:

PDF, 290 KB

english, 2010

18

Praktische Physik || Struktur und Eigenschaften der Materie

Kohlrausch, Friedrich, Kose, Volkmar, Wagner, Siegfried, Bortfeldt, J., Dietze, G., Dorenwendt, K., German, S., Hemminger, W., Martin, R., Melchert, F., Scharmann, A., Schuster, H.-J., Seyfried, P., S

Year:

1996

Language:

german

File:

PDF, 25.54 MB

german, 1996

19

Kippenhahn: Der Stern, von dem wir leben/Ellwanger: Forscher im Bild: Teil I: Wissenschaftliche Mitglieder der Kaiser-Wilhelm-Gesellschaft zur Förderung der Wissenschaften/Bethge u. Klein: Physiker und Astronomen in Frankfurt/Penrose: The Emperor's New Mi

Schüßler, M., Rechenberg, H., Bortfeldt, J., Richter, P. H., Großmann, S., Maaß, W., Mulser, P., Blümer, H., Jentschke, W.

Journal:

Year:

1990

Language:

german

File:

PDF, 459 KB

german, 1990

20

Effect of vibration emissions during shipping of artificial insemination doses on boar semen quality

Schulze, M., Bortfeldt, R., Schäfer, J., Jung, M., Fuchs-Kittowski, F.

Journal:

Animal Reproduction Science

Year:

2018

Language:

english

File:

PDF, 316 KB

english, 2018

21

Single photoelectron time resolution studies of the PICOSEC-Micromegas detector

Sohl, L., Aune, S., Bortfeldt, J., Brunbauer, F., David, C., Desforge, D., Fanourakis, G., Gallinaro, M., GarcÃa, F., Giomataris, I., Gustavsson, T., Guyot, C., Iguaz, F.J., Kebbiri, M., Kordas, K.,

Journal:

Journal of Instrumentation

Year:

2020

File:

PDF, 2.84 MB

2020

22

Integration of Spatial Distortion Effects in a 4D Computational Phantom for Simulation Studies in ExtraâCranial MRIâguided Radiation Therapy: Initial Results

Kroll, C, Dietrich, O, Bortfeldt, J, Kamp, F, Neppl, S, Belka, C, Parodi, K, Baroni, G, Paganelli, C, Riboldi, M

Journal:

Medical Physics

Year:

2020

File:

PDF, 22.59 MB

2020

23

Modeling of the U1 snRNP assembly pathway in alternative splicing in human cells using Petri nets

J. Kielbassa, R. Bortfeldt, S. Schuster, I. Koch

Journal:

Computational Biology and Chemistry

Year:

2009

Language:

english

File:

PDF, 1.03 MB

english, 2009

24

A tree search procedure for the container relocation problem

Florian Forster, Andreas Bortfeldt

Journal:

Computers & Operations Research

Year:

2012

Language:

english

File:

PDF, 401 KB

english, 2012

25

Ein Tabu Search-Verfahren für Containerbeladeprobleme mit schwach heterogenem Kistenvorrat

Andreas Bortfeldt, Hermann Gehring

Journal:

Year:

1998

Language:

german

File:

PDF, 1.45 MB

german, 1998

26

Eine Heuristik für Multiple Containerladeprobleme

Andreas Bortfeldt

Journal:

Year:

2000

Language:

german

File:

PDF, 130 KB

german, 2000

27

RandoMate: a program for the generation of random mating schemes for small laboratory animals

Armin O. Schmitt, Ralf Bortfeldt, Christina Neuschl, Gudrun A. Brockmann

Journal:

Mammalian Genome

Year:

2009

Language:

english

File:

PDF, 266 KB

english, 2009

28

Parallel greedy algorithms for packing unequal circles into a strip or a rectangle

T. Kubach, A. Bortfeldt, H. Gehring

Journal:

Central European Journal of Operations Research

Year:

2009

Language:

english

File:

PDF, 413 KB

english, 2009

29

A Genetic Algorithm for Solving the Container Loading Problem

H. Gehring, A. Bortfeldt

Journal:

International Transactions in Operational Research

Year:

1997

File:

PDF, 1.13 MB

1997

30

A genetic algorithm for the two-dimensional knapsack problem with rectangular pieces

Andreas Bortfeldt, Tobias Winter

Journal:

International Transactions in Operational Research

Year:

2009

Language:

english

File:

PDF, 1.26 MB

english, 2009

31

Changes of diastolic function induced by cigarette smoking: An echocardiographic study in patients with coronary artery disease

T. Stork, H. Eichstädt, M. Möckel, R. Bortfeldt, H. Hochrein, R. Müller

Journal:

Clinical Cardiology

Year:

1992

Language:

english

File:

PDF, 741 KB

english, 1992

32

A heuristic for solving large bin packing problems in two and three dimensions

Daniel Mack, Andreas Bortfeldt

Journal:

Central European Journal of Operations Research

Year:

2012

Language:

english

File:

PDF, 456 KB

english, 2012

33

Genome-wide associations for investigating time-dependent genetic effects for milk production traits in dairy cattle

E. M. Strucken, R. H. Bortfeldt, D. J. de Koning, G. A. Brockmann

Journal:

Animal Genetics

Year:

2012

Language:

english

File:

PDF, 171 KB

english, 2012

34

Tracking chromosomal positions of oligomers - a case study with Illumina's BovineSNP50 beadchip

Armin O Schmitt, Ralf H Bortfeldt, Gudrun A Brockmann

Journal:

Year:

2010

Language:

english

File:

PDF, 924 KB

english, 2010

35

Comparative analysis of sequence features involved in the recognition of tandem splice sites

Ralf Bortfeldt, Stefanie Schindler, Karol Szafranski, Stefan Schuster, Dirk Holste

Journal:

Year:

2008

Language:

english

File:

PDF, 1.78 MB

english, 2008

36

Intelligent Decision Support Volume 30 || Packing Identical Spheres into a Rectangular Parallelepiped

Bortfeldt, Andreas, Homberger, Jörg, Kopfer, Herbert, Pankratz, Giselher, Strangmeier, Reinhard

Year:

2008

Language:

english

File:

PDF, 453 KB

english, 2008

37

Intelligent Decision Support ||

Bortfeldt, Andreas, Homberger, Jörg, Kopfer, Herbert, Pankratz, Giselher, Strangmeier, Reinhard

Year:

2008

Language:

english

File:

PDF, 5.01 MB

english, 2008

38

Genetic effects and correlations between production and fertility traits and their dependency on the lactation-stage in Holstein Friesians

Eva M Strucken, Ralf H Bortfeldt, Jens Tetens, Georg Thaller…

Journal:

Year:

2012

Language:

english

File:

PDF, 449 KB

english, 2012

39

Alternative splicing of mutually exclusive exons—A review

Pohl, Martin, Bortfeldt, Ralf H., Grützmann, Konrad, Schuster, Stefan

Journal:

Year:

2013

Language:

english

File:

PDF, 1.11 MB

english, 2013

40

Changes in metabolite profiles caused by genetically determined obesity in mice

Schäfer, Nadine, Yu, Zhonghao, Wagener, Asja, Millrose, Marion K., Reissmann, Monika, Bortfeldt, Ralf, Dieterich, Christoph, Adamski, Jerzy, Wang-Sattler, Rui, Illig, Thomas, Brockmann, Gudrun A.

Journal:

Year:

2014

Language:

english

File:

PDF, 290 KB

english, 2014

41

Short communication: Validation of somatic cell score–associated loci identified in a genome-wide association study in German Holstein cattle

Abdel-Shafy, Hamdy, Bortfeldt, Ralf H., Reissmann, Monika, Brockmann, Gudrun A.

Journal:

Journal of Dairy Science

Year:

2014

Language:

english

File:

PDF, 343 KB

english, 2014

42

High-resolution Micromegas telescope for pion- and muon-tracking

Bortfeldt, J., Biebel, O., Hertenberger, R., Ruschke, A., Tyler, N., Zibell, A.

Journal:

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

Year:

2013

Language:

english

File:

PDF, 308 KB

english, 2013

43

CandiSNPer: a web tool for the identification of candidate SNPs for causal variants

Schmitt, A. O., Assmus, J., Bortfeldt, R. H., Brockmann, G. A.

Journal:

Year:

2010

Language:

english

File:

PDF, 110 KB

english, 2010

44

Development of a High-Resolution Muon Tracking System Based on Micropattern Detectors

Bortfeldt, Jonathan, Biebel, Otmar, Heereman, David, Hertenberger, Ralf

Journal:

IEEE Transactions on Nuclear Science

Year:

2012

Language:

english

File:

PDF, 1.27 MB

english, 2012

45

[IEEE 2011 2nd International Conference on Advancements in Nuclear Instrumentation, Measurement Methods and their Applications (ANIMMA) - Ghent, Belgium (2011.06.6-2011.06.9)] 2011 2nd International Conference on Advancements in Nuclear Instrumentation, Measurement Methods and their Applications - Development of high-resolution muon tracking systems based on micropattern detectors

Bortfeldt, Jonathan, Biebel, Otmar, Heereman, David, Hertenberger, Ralf

Year:

2011

Language:

english

File:

PDF, 999 KB

english, 2011

46

Hybrid algorithms for the vehicle routing problem with clustered backhauls and 3D loading constraints

Bortfeldt, Andreas, Hahn, Thomas, Männel, Dirk, Mönch, Lars

Journal:

European Journal of Operational Research

Year:

2015

Language:

english

File:

PDF, 1.57 MB

english, 2015

47

Where in the Genome Are Significant Single Nucleotide Polymorphisms from Genome-Wide Association Studies Located?

Günther, Torsten, Schmitt, Armin O., Bortfeldt, Ralf H., Hinney, Anke, Hebebrand, Johannes, Brockmann, Gudrun A.

Journal:

Omics A Journal of Integrative Biology

Year:

2011

Language:

english

File:

PDF, 256 KB

english, 2011

48

The German communists in disarray

Bortfeldt, Heinrich

Journal:

Journal of Communist Studies

Year:

1991

Language:

english

File:

PDF, 687 KB

english, 1991

49

GREEDY ALGORITHMS FOR PACKING UNEQUAL SPHERES INTO A CUBOIDAL STRIP OR A CUBOID

KUBACH, TIMO, BORTFELDT, ANDREAS, TILLI, THOMAS, GEHRING, HERMANN

Journal:

Asia Pacific Journal of Operational Research

Year:

2011

Language:

english

File:

PDF, 408 KB

english, 2011

50

Molecular characterization of the basidiomycete isolate Nematoloma frowardii b19 and its manganese peroxidase places the fungus in the corticioid genus Phlebia

Hilden, K. S., Bortfeldt, R., Hofrichter, M., Hatakka, A., Lundell, T. K.

Journal:

Microbiology (Society for General Microbiology)

Year:

2008

Language:

english

File:

PDF, 315 KB

english, 2008

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