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1. dbis
2. Publications
3. 2011
4. How Soccer Players Would Do Stream Joins
SIGMOD 2011 Reviewer Comments

global synchronization when shifting data between nodes. The implementation nicely allows for load balancing. S4. There is a size-able experimental sensitivity analysis of the handshake-join in different [...] , yet simple in its conceptual realization. 1) Data-flow oriented formulation of window-based stream joins The main contribution of this paper is a data-flow oriented view on the enumeration of the Cartesian [...] joins The data-flow oriented formulation simplifies the parallelization of stream joins. By partitioning both stream windows into disjoint segments, the partial joins can be performed in a data-driven fashion …
1. STABI
2. Staff
3. Prof. Dr. Christine Müller (Seniorprofessor)
Supervised Theses

Ralf Herwig : Large-scale information theoretic clustering with application to the analysis of genetic fingerprinting data, 2001, Freie Universität Berlin. Masterarbeiten / Master Theses Naveen Kumar Bhageradhi: [...] logistics: monitoring navigability through water level forecasting, predictive analysis and feature engineering of hydrological data , 2024, Technische Universität Dortmund. Ortrud Wartlick: Prediction of heat [...] LTS-Schätzung in der Radoptimierung , 2010, Carl von Ossietzky Universität Oldenburg. Robin Wellmann : On data depth with application to regression models and tests, 2007, Universität Kassel. Younis Fathy: Bayes …
1. RIM
2. Research
PhD research

Dr.-Ing. Oscar Manuel Baez Villanueva (TU Dortmund) Streamflow simulation in data-scarce regions using remote sensing data in combination with ground-based measurements (Erstbetreuung und Gutachter) 2021 [...] Eastern Deciduous Forest Ecoregion (Prüfer der Dissertation) 2016 Dr.-Ing. Zhao Jie (TU Dortmund) Analysis of Urban Form Parameters with a Focus on Energy Consumption (Erstbetreuung und Gutachter) 2015 Dr [...] (Gutachter) Dr. rer. nat. Hendrik Herold (IÖR und TU Dresden) An Evolutionary Approach to Adaptive Image Analysis for Retrieving and Long-term Monitoring Historical Land Use from Spatiotemporally Heterogeneous …
1. BMSD
2. News Archive
News 2020

Theory, Linear FEM, Computer Oriented Structural Analysis / Introduction to Numerical Methods, Fundamentals of Statics & Dynamics, General Structural Analysis and Engineering Mechanics 1 - Stereostatics will [...] E-Theory as well as Linear FEM are now available. Furthermore, the grades for General Structural Analysis and Dynamics and Vibration are available. You can ask for your grade by phone in the secretary's [...] HS 6 Linear FEM: Wednesday, 27.05.2020, 12:30 - 14:00, HG I, HS 6 Computer-oriented structural analysis / Introduction Numerical Methods: Friday, 29.05.2020, 9:30 - 11:30, HG II, HS 3 and HS 6 Fundamentals …
1. IPS
2. Research & Consult
3. Research Projects
4. bis 2023
SkalKomm

consequence of market changes is that customer demand behaviour is difficult to predict, as no past data is available for forecasting. The fluctuations in demand and market changes present order picking [...] Kostenverlauf in flexiblen Kommissioniersystemen Procedure The first step focuses on a detailed analysis of the current situation in SMEs with regard to the design of order picking systems and the effects [...] picking systems it is important to ensure sufficient transparency of costs. For this purpose, a cost analysis is carried out in order to identify cost focal points and to show cost developments over time. Overall …
1. IPS
2. Research & Consult
3. Research Projects
4. bis 2023
Lasercut

targeted research results were developed in five project phases: Formulation of requirements and analysis of the component spectrum: At the beginning of the project, the requirements for the flexible gripping [...] direction, free cutting contours as well as an unhindered cutting movement were decisive criteria. Analysis of the contact between component and fixture: For the design of a flexible clamping and gripping [...] matching algorithm was implemented, which compares a recorded measurement point cloud with the CAD data and then transforms the machining paths. Research- and Development Partner ROBOT-TECHNOLOGY GmbH, …
1. CNI
2. Chair
3. Team
4. Researchers
Christian Arendt

S. Fricke, S. Böcker, C. Wietfeld In European Wireless 2023, October 2023. 12/31/2022 Capacity Analysis of IoT Networks in the Unlicensed Spectrum S. Böcker, C. Arendt, C. Wietfeld In Volume 3 Machine [...] Wireless and Mobile Computing, Networking and Communications (WiMob), Thessaloniki, Greece 06/16/2020 Data-Driven Model-Predictive Communication for Resource-Efficient IoT Networks C. Arendt, S. Böcker, C [...] 10/13/2017 On the Suitability of Bluetooth 5 for the Internet of Things: Performance and Scalability Analysis S. Böcker, C. Arendt, C. Wietfeld, In IEEE 28th Annual International Symposium on Personal, Indoor …
1. AE
2. Studium
3. Kurse
Algorithms and Sustainability

Computational Movement Analysis Routing Algorithms for Sustainable Mobility Energy-efficient Algorithms Algorithmic Fairness. Prerequisites Solid background in algorithms and data structures Interest in [...] Ecology, Radboud University: "MoveApps Introduction" 43 21.10.2025 23.10.2025 Computational Movement Analysis Trajectory similarity and clustering T: Mart Hagedoorn, PhD student in Algorithms, TU Dortmund: …
1. CNI
2. Research
Publications

Sliwa, C. Wietfeld, "The AutoMat CVIM - A scalable data model for automotive big data marketplaces" , In 19th IEEE International Conference on Mobile Data Management (MDM) , Aalborg, Denmark, June 2018. [pdf] [...] Bandits for Resource-Efficient Transmission of Vehicular Sensor Data" , In Proceedings of the ACM MobiHoc Workshop on Cooperative Data Dissemination in Future Vehicular Networks (D2VNet) , ACM, Online [...] no. 12, pp. 6313–6321, December 2019. [Details] B. Sliwa, C. Wietfeld, "Data-driven network simulation for performance analysis of anticipatory vehicular communication systems" , In IEEE Access , November …
1. dbis
2. Publications
3. 2011
4. How Soccer Players Would Do Stream Joins
SIGMOD 2011 Reviews

global synchronization when shifting data between nodes. The implementation nicely allows for load balancing. S4. There is a size-able experimental sensitivity analysis of the handshake-join in different [...] , yet simple in its conceptual realization. 1) Data-flow oriented formulation of window-based stream joins The main contribution of this paper is a data-flow oriented view on the enumeration of the Cartesian [...] joins The data-flow oriented formulation simplifies the parallelization of stream joins. By partitioning both stream windows into disjoint segments, the partial joins can be performed in a data-driven fashion …