Ployplearn Ravivanpong (Gib)
Karlsruhe Institute of Technology (KIT)
Campus Süd
Institute of Telematics
Chair for Pervasive Computing Systems / TECO
Vincenz-Prießnitz-Straße 1
76131 Karlsruhe
Germany
Building 07.07, Room : 202
email: ravivanpong(at)teco.edu
Short CV
2018 – present | PhD Candidate |
2017 – present | Researcher at TECO |
2016 – 2017 | Pricing Analyst at GFKL Financial Services GmbH (Part of Lowell Group) |
2014 | Graduation with Master (MSc) of Economics Engineering at Karlsruhe Institute of Technology (KIT) |
2011 | Graduation with Bachelor (BSc) of Economics at University of Mannheim |
2008 | Graduation with Bachelor (BSc) of Electrical Engineering at University of Applied Science Mannheim |
Projects
2017 – present | Data Scientist @ Smart Data Solution Center (SDSC-BW) – Smart Data Analytics for Small and Medium Enterprises |
06/2022 – 03/2023 | STARTUP RADAR in cooperation with Linknovate as part of EUHubs4Data Experiment |
09/2021 – 01/2022 | LatentAgeI4Wafer in cooperation with GlobalFoundries as part of SDI-C program |
07/2019 – 07/2020 | Risk Management 4.0 in cooperation with DWS Group as part of SDIL & SDI-C program |
Research Interests
- Causal inference, especially causal discovery
- Combining causal discovery from quantitative data and causality extraction from text
- Text mining for economic policy and project evaluations
- Application of data mining and machine learning in economics and finance
- Financial network analysis
Teachings
- Praktikum Smart Data Analytics
Supervised Theses
Running
- Investigating Combining Quantitative and Textual Causal Knowledge in Learning Causal Structure
Finished
Causal Inference
- Evaluation and Comparison of Causal Discovery Algorithms
- Accelerating PCMCI for Large Timeseries
- Inferring Causal Relations between Extreme Events (Co-supervised with Dr. Dominik Janzing)
- A Structured Review of Machine Learning Estimators of Causal Effects (in cooperation with inovex)
- Automatische Auswahl von maschinellen Lernverfahren für kausale Inferenz
Text analytics
- Document-Level Causality Extraction for Impact Evaluation
- NLP Methods to Identify Carbon Abatement Investments and the Impact of Carbon Prices ((in cooperation with ICIS)
- nywspaper – ML for News Comparison
- A Voting-Based Approach for Unsupervised Expert Recommendation on Bibliographic Data
- Development of an NLP process for the automated extraction of requirements from different sources based on a textual product idea Similarity Matrix Learning for Text Classification (in cooperation with FZI)
- Text Mining Tool for Literature Survey on Data Mining Applications in Finance and Economics
- TxT-Fresh – Automatisches Feature-Extraction-Modul für die Textanalyse (co-supervising with Dr. Ngo)
Machine Learning
- Subsequence Time Series Clustering – a Review
- Predictive maintenance at risk: A churner warning system (in cooperation with SAP)
- Will They Block Each Other? – A ‘block’ Prediction System for Live Chat (co-supervising with Dr. Ngo)
- Konzeption eines regelunterstützten, interaktiven Annotationssystems zur Klassifikation kritischer Geschäftsobjekte (in cooperation with SAP)
Past Seminar Topics
Mobile Computing and Ubiquitous Technologies Seminar
- Structure Learning
- Review of Causal Forests
- Correlation vs. Causality
- Literature Survey on Data Mining Techniques in Economics
- Basics of Expert Systems
Designing and Conducting Experimental Studies Seminar
- Bedeutung von Machine-Learning in der Volkswirtschaftslehre – Expert Interviews
PUBLICATION
2022
Towards Extracting Causal Graph Structures from Trade Data and Smart Financial Portfolio Risk Management
Ravivanpong, P.; Riedel, T.; Stock, P.
2022. EDBT/ICDT-WS 2022: Proceedings of the Workshops of the EDBT/ICDT 2022 Joint Conference ; Edinburgh, UK, March 29, 2022. Ed.: M. Ramanath, CEUR-WS.org
Ravivanpong, P.; Riedel, T.; Stock, P.
2022. EDBT/ICDT-WS 2022: Proceedings of the Workshops of the EDBT/ICDT 2022 Joint Conference ; Edinburgh, UK, March 29, 2022. Ed.: M. Ramanath, CEUR-WS.org
2021
Correction to: Examining the usability of touchscreen gestures for adults with DS
Cáliz, D.; Ravivanpong, P.; Schankin, A.; Jadán-Guerrero, J.; Caraguay, W.; Arellano, L.
2021. Journal of reliable intelligent environments, 7 (4), Art.-Nr. 381. doi:10.1007/s40860-021-00145-2
Cáliz, D.; Ravivanpong, P.; Schankin, A.; Jadán-Guerrero, J.; Caraguay, W.; Arellano, L.
2021. Journal of reliable intelligent environments, 7 (4), Art.-Nr. 381. doi:10.1007/s40860-021-00145-2
Examining the usability of touchscreen gestures for adults with DS
Cáliz, D.; Ravivanpong, P.; Schankin, A.; Jadán-Guerrero, J.; Caraguay, W.; Arellano, L.
2021. Journal of reliable intelligent environments, 14. doi:10.1007/s40860-020-00122-1
Cáliz, D.; Ravivanpong, P.; Schankin, A.; Jadán-Guerrero, J.; Caraguay, W.; Arellano, L.
2021. Journal of reliable intelligent environments, 14. doi:10.1007/s40860-020-00122-1
2019
Predicting B2B Customer Churn for Software Maintenance Contracts
Zhang, Z.; Ravivanpong, P.; Beigl, M.
2019. Proceedings of the 34th International Business Information Management Association Conference (IBIMA) 13-14 November 2019, Madrid, Spainn. Vision 2025: Education Excellence and Management of Innovations through Sustainable Economic Competitive Advantage. Ed.: Khalid S. Soliman, 6593–6603, International Business Information Management Association (IBIMA)
Zhang, Z.; Ravivanpong, P.; Beigl, M.
2019. Proceedings of the 34th International Business Information Management Association Conference (IBIMA) 13-14 November 2019, Madrid, Spainn. Vision 2025: Education Excellence and Management of Innovations through Sustainable Economic Competitive Advantage. Ed.: Khalid S. Soliman, 6593–6603, International Business Information Management Association (IBIMA)