Varun Pandey, M.Tech. Address: Technische Universität München Institut für Informatik Boltzmannstr. 3 85748 Garching Room: 02.11.057 Phone: +49 (0)89 / 289-17280 E-Mail: pandey@in.tum.de Office Hours: Please call/mail ahead for an appointment

Research Area

• HyPer: A Hybrid OLTP&OLAP High-Performance Database System
• Big geospatial data exploration and analytics
• High performance geospatial processing

Open Theses

Open topics for bachelor's theses, master's theses, guided research, or HiWi positions:

• Geospatial Joins between various geometric objects
• Trajectory Similarity Search And Mining
• Spatial Textual Query Processing
• Spatially Aware Community Search

A good knowledge of data structure design and good programming skills in C++ is required.

Awards

• 2016 ACM SIGMOD Best Demonstration Award

Publications

• Eleni Tzirita Zacharatou, Andreas Kipf, Ibrahim Sabek, Varun Pandey, Harish Doraiswamy, Volker Markl The Case for Distance-Bounded Spatial Approximations (Pre-print) The Conference on Innovative Data Systems Research (CIDR 2021) January 11 - January 15, 2021, Virtual Event
• Varun Pandey, Alexander van Renen, Andreas Kipf, Alfons Kemper How Good Are Modern Spatial Libraries? Special Issue of DASFAA 2020 Data Science and Engineering (DSE)
• Varun Pandey, Alexander van Renen, Andreas Kipf, Ibrahim Sabek, Jialin Ding, Alfons Kemper The Case For Learned Spatial Indexes (Video Talk) 2nd International Workshop on Applied AI for Database Systems and Applications (AIDB 2020), Held with VLDB 2020 August 31 - September 4, 2020, Tokyo, Japan
• Varun Pandey, Alexander van Renen, Andreas Kipf, Alfons Kemper An Evaluation of Modern Spatial Libraries 25th International Conference on Database Systems for Advanced Applications (DASFAA 2020) September 24 - September 27, 2020, Jeju, South Korea
• Andreas Kipf, Harald Lang, Varun Pandey, Raul Alexandru Persa, Christoph Anneser, Eleni Tzirita Zacharatou, Harish Doraiswamy, Peter Boncz, Thomas Neumann, Alfons Kemper Adaptive Main-Memory Indexing for High-Performance Point-Polygon Joins 23rd International Conference on Extending Database Technology (EDBT 2020) March 30 - April 2, 2020, Copenhagen, Denmark
• Andreas Kipf, Varun Pandey, Jan Böttcher, Lucas Braun, Thomas Neumann, Alfons Kemper Scalable Analytics on Fast Data ACM Transactions on Database Systems (TODS)
• Varun Pandey, Andreas Kipf, Thomas Neumann, Alfons Kemper How Good Are Modern Spatial Analytics Systems? 44th International Conference on Very Large Data Bases (VLDB 2018) August 27 - 31, 2018, Rio de Janeiro, Brazil
• Andreas Kipf, Harald Lang, Varun Pandey, Raul Alexandru Persa, Peter Boncz, Thomas Neumann, Alfons Kemper Approximate Geospatial Joins with Precision Guarantees 34th IEEE International Conference on Data Engineering (ICDE 2018) April 16 - 19, 2018, Paris, France
• Andreas Kipf, Harald Lang, Varun Pandey, Raul Alexandru Persa, Peter Boncz, Thomas Neumann, Alfons Kemper Adaptive Geospatial Joins for Modern Hardware arXiv:1802.09488 (2018)
• Andreas Kipf, Varun Pandey, Jan Böttcher, Lucas Braun, Thomas Neumann, Alfons Kemper Analytics on Fast Data: Main-Memory Database Systems versus Modern Streaming Systems 20th International Conference on Extending Database Technology (EDBT 2017) March 21 - 24, 2017, Venice, Italy
• Varun Pandey, Andreas Kipf, Dimitri Vorona, Tobias Mühlbauer, Thomas Neumann, Alfons Kemper High-Performance Geospatial Analytics in HyPerSpace (Demonstration) ACM SIGMOD International Conference on Management of Data (SIGMOD 2016) June 26 - July 1, 2016, San Francisco, USA

Advised / supervised theses

• Towards Learned Index Structures for Spatial Data

  Saner Turhaner
• Benchmarking Modern Geospatial Analytics Systems

  Katharina Schmitt
• Visualizing Geographic Data

  Vladimir Danilov
• Evaluating In-Memory Geospatial Join Techniques

  Matthias Adams

Teaching

Winter 2019/2020:	Software Engineering: Programming Database Web Applications
Winter 2018/2019:	Software Engineering: Programming Database Web Applications
Winter 2017/2018:	Software Engineering: Programming Database Web Applications
Winter 2016/2017:	Software Engineering: Programming Database Web Applications