TY  - JOUR
A1  - Kraft, Bodo
A1  - Nagl, Manfred
T1  - Visual Knowledge Specification for Conceptual Design: Definition and Tool Support
N2  - In: Advanced Engineering Informatics. Vol 21, Issue 1, 2007, Pages 67-83 http://dx.doi.org/10.1016/j.aei.2006.10.001 eds. J.C. Kunz, I.F.C. Smith and T. Tomiyama, Elsevier, Seite 1-22 Current CAD tools are not able to support the conceptual design phase, and none of them provides a consistency analysis for sketches produced by architects. This phase is fundamental and crucial for the whole design and construction process of a building. To give architects a better support, we developed a CAD tool for conceptual design and a knowledge specification tool. The knowledge is specific to one class of buildings and it can be reused. Based on a dynamic and domain-specific knowledge ontology, different types of design rules formalize this knowledge in a graph-based form. An expressive visual language provides a user-friendly, human readable representation. Finally, a consistency analysis tool enables conceptual designs to be checked against this formal conceptual knowledge. In this article, we concentrate on the knowledge specification part. For that, we introduce the concepts and usage of a novel visual language and describe its semantics. To demonstrate the usability of our approach, two graph-based visual tools for knowledge specification and conceptual design are explained.
KW  - CAD
KW  - CAD
KW  - Bauingenieurwesen
KW  - CAD
KW  - civil engineering
Y1  - 2007
ER  - 
TY  - CHAP
A1  - Müller-Veggian, Mattea
A1  - Kops, Elena Rota
A1  - Quin, Peng
A1  - Herzog, Hans
T1  - MRI Based Attenuation Correction for Brain PET Images
T2  - Advances in medical engineering / [3rd RPT - Remagener Physiktage together with the Second Scientific Workshop of Medical Robotics, Navigation and Visualization ... Remagen ... 7.-9. März 2007]. Thorsten M. Buzug (ed.) Part 1.
N2  - This work describes a procedure to yield attenuation maps from MR images which are used for the absorption correction (AC) of brain PET data. Such an approach could be mandatory for future combined PET and MRI scanners, which probably do not include a transmission facility. T1-weighted MR images were segmented into brain tissue, bone, soft tissue, and sinus; attenuation coefficients corresponding to elemental composition and density as well as to 511 keV photon energy were respectively assigned. Attenuation maps containing up to four compartments were created and forward projected into sinograms with attenuation factors which then were used for AC during reconstruction of FDG-PET data. The commonly used AC based on a radioactive (68Ge) transmission scan served as reference. The reconstructed radioactivity values obtained with the MRI-based AC were about 20% lower than those obtained with PET-based AC if the skull was not taken into account. Considering the skull the difference was still about 10%. Our investigations demonstrate the feasibility of a MRI-based AC, but revealed also the necessity of a satisfying delineation of bone thickness which tends to be underestimated in our first approach of T1-weighted MR image segmentation.
Y1  - 2007
SN  - 978-3-540-68763-4
U6  - https://doi.org/10.1007/978-3-540-68764-1_15
N1  - Springer proceedings in physics ; 114
SP  - 93
EP  - 97
PB  - Springer
CY  - Berlin
ER  - 
TY  - JOUR
A1  - Wagner, Torsten
A1  - Molina, R.
A1  - Biselli, Manfred
A1  - Canzoneri, Michele
A1  - Schnitzler, Thomas
A1  - Yoshinobu, Tatsuo
A1  - Schöning, Michael Josef
T1  - A light-addressable potentiometric sensor system for fast, simultaneous and spatial detection of the metabolic activity of biological cells
JF  - Transducers '07 Eurosensors XXI : digest of technical papers ; the14th International Conference on Solid-State Sensors, Actuators and Microsystems, June 10-14, 2007, Lyon, France / Gilles Delapierre (Ed.)
Y1  - 2007
SN  - 1-4244-0841-5
N1  - Eurosensors 21, 2007, Lyon ; International Conference on Solid-State Sensors, Actuators and Microsystems 14, 2007, Lyon
SP  - 1107
EP  - 1110
PB  - IEEE
CY  - Piscataway
ER  - 
TY  - JOUR
A1  - Schöning, Michael Josef
A1  - Kloock, Joachim P.
T1  - About 20 years of silicon-based thin-film sensors with chalcogenide glass materials for heavy metal analysis: Technological aspects of fabrication and miniaturization
JF  - Electroanalysis. 19 (2007), H. 19-20
Y1  - 2007
SN  - 1040-0397
SP  - 2029
EP  - 2038
ER  - 
TY  - JOUR
A1  - Wagner, Torsten
A1  - Schöning, Michael Josef
T1  - Light-addressable potentiometric sensors (LAPS): recent trends and applications
JF  - Electrochemical sensor analysis / edited by S. Alegret ...
Y1  - 2007
SN  - 978-0-444-53053-0
N1  - Wilson & Wilson's comprehensive analytical chemistry ; 49
SP  - 87
EP  - 128
PB  - Elsevier
CY  - Amsterdam
ER  - 
TY  - JOUR
A1  - Wagner, Torsten
A1  - Kloock, Joachim P.
A1  - Schöning, Michael Josef
T1  - Determination of cadmium concentration and pH value in aqueous solutions by means of a handheld light-addressable potentiometric sensor (LAPS) device
JF  - Electrochemical sensor analysis / edited by S. Alegret ...
Y1  - 2007
SN  - 978-0-444-53133-9
N1  - Wilson & Wilson's comprehensive analytical chemistry ; 49
SP  - e35
EP  - e44
PB  - Elsevier
CY  - Amsterdam
ER  - 
TY  - JOUR
A1  - Turek, Monika
A1  - Ketterer, Lothar
A1  - Claßen, Melanie
A1  - Berndt, Heinz
A1  - Elbers, Gereon
A1  - Krüger, Peter
A1  - Keusgen, Michael
A1  - Schöning, Michael Josef
T1  - Development and Electrochemical Investigations of an EIS-(Electrolyte-Insulator-Semiconductor) based Biosensor for Cyanide Detection
JF  - Sensors
Y1  - 2007
SN  - 1424-8220
VL  - 7
IS  - 8
SP  - 1415
EP  - 1426
ER  - 
TY  - JOUR
A1  - Wagner, Torsten
A1  - Molina, Roberto
A1  - Yoshinobu, Tatsuo
A1  - Kloock, Joachim P.
A1  - Biselli, Manfred
A1  - Canzoneri, Michele
A1  - Schnitzler, Thomas
A1  - Schöning, Michael Josef
T1  - Handheld multi-channel LAPS device as a transducer platform for possible biological and chemical multi-sensor applications
JF  - Electrochimica Acta. 53 (2007), H. 2
Y1  - 2007
SN  - 0013-4686
SP  - 305
EP  - 311
ER  - 
TY  - BOOK
A1  - Schelthoff, Christof
T1  - Mathematik im Bachelorstudium für Studierende der Biotechnologie, der Prozesstechnik und der angewandten Chemie. 2. überarb. Aufl.
Y1  - 2007
SN  - 978-3-8322-6507-6
PB  - Shaker
CY  - Aachen
ER  - 
TY  - JOUR
A1  - Behbahani, Mehdi
A1  - Nicolai, M.
A1  - Probst, M.
A1  - Behr, M.
T1  - Simulation of Blood Flow in a Ventricular Assist Device
JF  - inSIDE. 5 (2007), H. 1
Y1  - 2007
SP  - 28
EP  - 31
ER  - 
TY  - JOUR
A1  - Behbahani, Mehdi
A1  - Behr, M.
A1  - Bischof, F.
A1  - Wolf, G. E.
T1  - Kranken Herzen helfen - Ingenieure und Informatiker entwickeln gemeinsam eine Miniaturblutpumpe / Behbahani, M. ; Behr, M. ; Bischof, F. ; Wolf, G. E.
JF  - RWTH-Themen (2007)
Y1  - 2007
SN  - 0179-079X
SP  - 44
EP  - 46
ER  - 
TY  - JOUR
A1  - Kaminsky, Radoslav
A1  - Kallweit, Stephan
A1  - Weber, Hans-Joachim
A1  - Claessens, Tom
A1  - Jozwik, Krzystof
A1  - Verdonck, Pascal
T1  - Flow visualization through two types of aortic prosthetic heart valves using stereoscopic high-speed particle image velocimetry
JF  - Artificial organs. 31 (2007), H. 12
Y1  - 2007
SN  - 1525-1594
SP  - 869
EP  - 879
ER  - 
TY  - JOUR
A1  - Kaminsky, Radoslav
A1  - Dumont, K.
A1  - Weber, Hans-Joachim
A1  - Schroll, M.
A1  - Verdonck, P.
T1  - PIV validation of blood-heart valve leaflet interaction modelling
JF  - The International journal of artificial organs. 30 (2007), H. 7
Y1  - 2007
SP  - 640
EP  - 648
PB  - -
ER  - 
TY  - JOUR
A1  - Weber, Hans-Joachim
A1  - Mo, Xiumei
A1  - Chen, Zonggang
T1  - Electrospun nanofibers of collagen-chitosan and P(LLA-CL) for tissue engineering / Mo Xiumei, Chen Zonggang, Hans J. Weber
JF  - Frontiers of materials science in China. 1 (2007), H. 1
Y1  - 2007
SN  - 1673-7377
SP  - 20
EP  - 23
PB  - -
ER  - 
TY  - JOUR
A1  - Erbayraktar, Zubeyde
A1  - Yilmaz, Osman
A1  - Temiz Artmann, Aysegül
A1  - Cehreli, Ruksan
A1  - Coker, Canan
T1  - Effects of Selenium Supplementation on Antioxidant Defense and Glucose Homeostasis in Experimental Diabetes Mellitus
JF  - Biological Trace Element Research
Y1  - 2007
SN  - 1559-0720
VL  - 118
IS  - 3
SP  - 217
EP  - 226
ER  - 
TY  - BOOK
A1  - Kraft, Bodo
T1  - Semantische Unterstützung des konzeptuellen Gebäudeentwurfs
Y1  - 2007
SN  - 978-3-8322-6045-3
N1  - Berichte aus der Informatik ; Zugl.: Aachen, Techn. Hochsch., Diss., 2007
PB  - Shaker
CY  - Aachen
ER  - 
TY  - JOUR
A1  - Kraft, Bodo
A1  - Nagl, Manfred
T1  - Graphbasierte Werkzeuge zur Unterstützung des konzeptuellen Gebäudeentwurfs
JF  - Vernetzt-kooperative Planungsprozesse im Konstruktiven Ingenieurbau : Grundlagen, Methoden, Anwendung und Perspektiven zur vernetzten Ingenieurkooperation / Uwe Rüppel (Hrsg.)
Y1  - 2007
SN  - 978-3-540-68102-1
SP  - 155
EP  - 175
PB  - Springer
CY  - Berlin
ER  - 
TY  - JOUR
A1  - Grotendorst, Johannes
A1  - Eitrich, T.
A1  - Kless, A.
A1  - Druska, C.
T1  - Classification of Highly Unbalanced CYP450 Data of Drugs Using Cost Sensitive Machine Learning Techniques / Eitrich, T. ; Kless, A. ; Druska, C. ; Meyer, W. ; Grotendorst J.
JF  - Journal of Chemical Information and Modeling. 47 (2007), H. 1
Y1  - 2007
SN  - 1549-9596
SP  - 92
EP  - 103
ER  - 
TY  - JOUR
A1  - Kotliar, Konstantin
A1  - Maier, Mathias
A1  - Bauer, Svetlana
A1  - Feucht, Nikolaus
T1  - Effect of intravitreal injections and volume changes on intraocular pressure: clinical results and biomechanical model / Kotliar, Konstantin ; Maier, Mathias ; Bauer, Svetlana ; Feucht, Nikolaus ; Lohmann, Chris ; Lanzl, Ines
JF  - Acta Ophthalmologica Scandinavica. 85 (2007), H. 7
Y1  - 2007
SN  - 1755-3768
SP  - 777
EP  - 781
PB  - -
ER  - 
TY  - JOUR
A1  - Hillen, Walter
A1  - Alper Selver, M.
A1  - Fischer, Felix
A1  - Kuntalp, Mehmet
T1  - A software tool for interactive generation, representation, and systematical storage of transfer functions for 3D medical images / Alper Selver, M. ; Fischer, Felix ; Kuntalp, Mehmet ; Hillen, Walter
JF  - Computer Methods and Programs in Biomedicine. 86 (2007), H. 3
Y1  - 2007
SN  - 0169-2607
SP  - 270
EP  - 280
PB  - -
ER  -