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Publications of persons related to the SAP HANA Database Campus.

2021

  • Tiemo Bang, Norman May, Ilia Petrov, and Carsten Binnig: AnyDB: An Architecture-less DBMS for Any Workload, CIDR 2021, accepted for publication

2020

  • R. Lasch, I. Oukid, R. Dementiev, N. May, S. Demirsoy, K-U Sattler, Fast & Strong: The Case of Compressed String Dictionaries on Modern CPUs, VLDB Journal, [Paper]

  • I. Xanthopoulos, I. Tsamardinos, V. Christophides, E. Simon, A. Salinger, “Putting the Human Back in the AutoML Loop”, Explainability for Trustworthy ML Pipelines (EMTLP) workshop, in conjunction with EDBT, Copenhagen, Denmark, March 2020

  • R. Liu, E. Simon, B. Amann, S. Gancarski, “discovering and merging related analytic datasets”, Information Systems Journal, Elsevier pub, Jan. 2020

  • M. Seleznova, B. Omidvar-Tehrani, S. Amer-Yahia, E. Simon, “Guided exploration of user groups”, VLDB Vol. 13, N. 9, 2020

  • Thomas Bach, Ralf Pannemans, Artur Andrzejak: Determining Method-Call Sequences for Object Creation in C++. ICST 2020 [link]

  • Wanxin Li (adviser Anisoara Nica): Supporting Database Constraints in Synthetic Data Generation based on Generative Adversarial NetworksSIGMOD Student Research Competition, SIGMOD'20

  • Noah Slavitch (adviser Reza Sherkat): Workload-Aware Column Imprints. SIGMOD Student Research Competition, SIGMOD'20

  • Hemant Saxena, Jeffrey Pound. A Cloud-native Architecture for Replicated Data Services. HotCloud'20

  • Stefan Noll, Jens Teubner, Norman May, Alexander Böhm: Shared Load(ing): Efficient Bulk Loading into Optimized Storage. CIDR'20 [Paper]
  • Stefan Noll, Jens Teubner, Norman May, Alexander Böhm: Analyzing Memory Accesses With Modern Processors. DAMON'20 [Paper]
  • Tiemo Bang, Ismail Oukid, Norman May, Ilia Petrov, and Carsten BinnigRobust Performance of Main Memory Data Structures by Configuration. SIGMOD'20 [Paper]
  • Tiemo Bang, Norman May, Ilia Petrov, and Carsten Binnig: The Tale of 1000 Cores: An Evaluation of Concurrency Control on Real(ly) Large Multi-Socket Hardware. DAMON'20 [Paper]
  • Tiemo Bang, Norman May, Ilia Petrov, and Carsten Binnig: AnyDB: An Architecture-less DBMS for Any Workload, 2020, Paper at arxiv.org 
  • Robin Rehrmann, Martin Keppner, Wolfgang Lehner, Carsten Binnig, and Arne Schwarz: Workload Merging Potential in SAP Hybris. DBTest’20 [Paper]
  • Robert Lasch, Suleyman Demirsoy, Norman May, Veeraraghavan Ramamurthy, Christian Faerber, Kai-Uwe Sattler: Accelerating Re-Pair Compression using FPGAs. DAMON’20
  • Mahmoud Mohsen, Norman May, Christian Faerber, David Broneske: FPGA-Accelerated Compression of Integer Vectors. DAMON’20
  • Mehdi Moghaddamfar, Christian Faerber, Wolfgang Lehner, Norman May: Comparative Analysis of OpenCL and RTL for Sort-Merge Primitives on FPGA. DAMON’20
  • Diego Havenstein, Peter Lysakovski, Norman May, Guido Moerkotte, Gabriele Steidl: Fast Entropy Maximization for Selectivity Estimation of Conjunctive Predicates on CPUs and GPUs. EDBT'20 [Paper]
  • Donghun Lee, Andrew Chang, Minseon Ahn, Jongmin Gim, Jungmin Kim, Jaemin Jung, Kang-Woo Choi, Vincent Pham, Oliver Rebholz, Krishna Malladi, Yang-Seok Ki: Optimizing Data Movement with Near-Memory Acceleration of In-memory DBMS. EDBT 2020 [Paper]
  • Changmin Lee, Wonjae Shin, Dae Jeong Kim, Yongjun Yu, Sung-Joon Kim, Taekyeong Ko, Deokho Seo, Jongmin Park, Kwanghee Lee, Seongho Choi, Namhyung Kim, Vishak G, Arun George, Vishwas V, Donghun Lee, Kang-Woo Choi, Changbin Song, Dohan Kim, Insu Choi, Ilgyu Jung, Yong Ho Song, Jinman Han: NVDIMM-C: A Byte-Addressable Non-Volatile Memory Module for Compatibility with Standard DDR Memory Interfaces. HPCA'20 [Paper]
  • Juchang Lee, Hyejeong Lee, Seongyun Ko, Kyu Hwan Kim, Mihnea Andei, Friedrich Keller, Wook-Shin Han: Asymmetric-Partition Replication for Highly Scalable Distributed Transaction Processing in Practice. VLDB'20
  • Robin Rehrmann, Carsten Binnig, Alexander Böhm, Kihong Kim, and Wolfgang Lehner: Sharing Opportunities for OLTP Workloads in Different Isolation Levels. VLDB'20
  • Sungheun Wi, Kihong Kim, Chuho Chang, Wook-Shin Han: Towards Multi-way Join Aware Optimizer in SAP HANA. VLDB'20
  • Kisung Park, Taeyoung Jeong, Chanho Jeong, Jaeha Lee, Dong-Hun Lee, Young-Koo Lee: ProcAnalyzer: Effective Code Analyzer for Tuning Imperative Programs in SAP HANA. SIGMOD'20
  • Jaesik Yoon, Gautam Singh, and Sungjin Ahn: Robust Meta-Transfer Learning via Memory Reconstruction. ICML'20
  • Lucas Lersch, Ivan Schreter, Ismail Oukid, Wolfgang Lehner: Enabling Low Tail Latency on Multicore Key-Value Stores. VLDB'20 [Paper]
  • Luca Lenz, Michael Felderer, Sascha Schwedes and Kai Müller: Explainable Priority Prediction of Software-Defects using Categorical Features at SAP HANA. EASE 2020 [Paper]
  • Thorsten Wünsche, Artur Andrzejak, Sascha Schwedes: Detecting Higher-Order Merge Conflicts in Large Software Projects. ICST 2020 [link]

2019

  • Thomas Bach, Ralf Pannemans, Johannes Haeussler, Artur Andrzejak: Dynamic Unit Test Extraction via Time Travel Debugging for Test Cost Reduction (short paper). ICSE 2019 [link]
  • Lucas Lersch, Wolfgang Lehner, and Ismail Oukid: Persistent Buffer Management with Optimistic Consistency. DaMoN'19 [Paper]
  • Georgios Psaropoulos, Ismail Oukid, Thomas Legler, Norman May, and Anastasia Ailamaki: Bridging the Latency Gap between NVM and DRAM for Latency-bound Operations. DaMoN'19 [Paper]
  • Robert Lasch, Ismail Oukid, Roman Dementiev, Norman May, Suleyman S. Demirsoy, and Kai-Uwe Sattler: Fast & Strong: The Case of Compressed String Dictionaries on Modern CPUs. DaMoN'19 [Paper]
  • Stefan Noll, Norman May, Alexander Böhm, Jan Mühlig, Jens Teubner: From the Application to the CPU: Holistic Resource Management for Modern Database Management Systems. March 2019 issue of the Data Engineering Bulletin [Paper]
  • Matthias Hauck, Marcus Paradies, Holger Fröning: Software-based Buffering of Associative Operations on Random Memory Addresses, IPDPS'19 [Paper]
  • Frank Tetzel, Romans Kasperovics, Wolfgang Lehner: Graph Traversals for Regular Path Queries. GRADS-NDA 2019 [Paper]
  • Joseph W. Hu, Ivan T. Bowman, Anisoara Nica, Anil K. Goel: Distribution-Driven, Embedded Synthetic Data Generation System and Tool for RDBMS. ICDE Workshops'19
  • Reza Sherkat, Colin Florendo, Mihnea Andrei, Rolando Blanco, Adrian Dragusanu, Amit Pathak, Pushkar Khadilkar, Neeraj Kulkarni, Christian Lemke, Sebastian Seifert, Sarika Iyer, Sasikanth Gottapu, Robert Schulze, Chaitanya Gottipati, Nirvik Basak, Yanhong Wang, Vivek Kandiyanallur, Santosh Pendap, Dheren Gala, Rajesh Almeida, Prasanta Ghosh: Native Store Extension for SAP HANA. VLDB'19
  • Kisung Park, Hojin Seo, Mostofa Kamal Rasel, Young-Koo Lee, Chanho Jeong, Sung Yeol Lee, Chungmin Lee, Dong-Hun Lee: Iterative Query Processing based on Unified Optimization Techniques. SIGMOD’19
  • Gautam Singh, Jaesik Yoon, Youngsung Son, Sungjin Ahn: Sequential Neural Processes. NeurIPS (NIPS)'19
  • Dongjun Lee: Clause-Wise and Recursive Decoding for Complex and Cross-Domain Text-to-SQL Generation. EMNLP-IJCNLP'19
  • Lucas Lersch, Xiangpeng Hao, Ismail Oukid, Tianzheng Wang, Thomas Willhalm: Evaluating Persistent Memory Range Indexes. VLDB'19 [Paper]

2018

  • Yu, Haolin (adviser Jeffrey Pound): RDSQ: Reliable Queue Protocol over Shared Logs. SIGMOD Student Research Competition, SIGMOD'18
  • Georgios Psaropoulos, Thomas Legler, Norman May, Anastasia Ailamaki: Interleaving with Coroutines: A Systematic and Practical Approach to Hide Memory Latency in Index Joins, The VLDB Journal (2018) [Paper]
  • Florian Wolf, Michael Brendle, Norman May, Paul. R. Willems, Kai-Uwe Sattler, Michael Grossniklaus: Robustness Metrics for Relational Query Execution Plans. VLDB '18 [Paper]
  • Robin Rehrmann, Carsten Binnig, Alexander Böhm, Ki Hong Kim, Wolfgang Lehner, Amr Rizk: OLTPShare: The Case for Sharing in OLTP Workloads. VLDB '18 [Paper]
  • Frank Tetzel, Hannes Voigt, Marcus Paradies, Romans Kasperovics, Wolfgang Lehner: Analysis of Data Structures Involved in RPQ Evaluation. DATA '18
  • Artur Andrzejak, Thomas Bach: Practical Amplification of Condition/Decision Test Coverage by Combinatorial Testing.  IWCT 2018 [Paper]
  • Thomas Bach, Ralf Pannemans and Sascha Schwedes: Effects of an Economic Approach for Test Case Selection and Reduction for a Large Industrial Project. TAIC PART 2018  [Paper]
  • Thomas Bach, Ralf Pannemans and Sascha Schwedes: Effects of an Economic Approach for Test Case Selection and Reduction for a Large Industrial Project. ICST 2018 Winner of Best Paper Award [Paper]
  • Renzo Angles, Marcelo Arenas, Pablo Barcelo, Peter Boncz, George Fletcher, Claudio Gutierrez, Tobias Lindaaker, Marcus Paradies, Stefan Plantikow, Juan Sequeda, Oskar van Rest, Hannes Voigt: G-CORE: A core for future graph query languages. SIGMOD'18 [Paper]
  • Florian Wolf, Norman May, Paul R. Willems, Kai-Uwe Sattler: On the Calculation of Optimality Ranges for Relational Query Execution Plans. SIGMOD '18  [Paper]
  • Stefan Noll, Jens Teubner, Norman May, Alexander Böhm: Accelerating Concurrent Workloads with CPU Cache Partitioning. ICDE '18 [Paper]
  • Juchang Lee, Wook-Shin Han, Hyoung Jun Na, Chang Gyoo Park, Kyu Hwan Kim, Deok Hoe Kim, Joo-Yeon Lee, Sang Kyun Cha, SeungHyun Moon: Parallel replication across formats for scaling out mixed OLTP/OLAP workloads in main-memory databases. VLDB'18
  • Jeremy Chen, Reza Sherkat, Mihnea Andrei, Heiko Gerwens: Global Range Encoding for Efficient Partition Elimination. EDBT’18
  • Jongsun Lee, Hyun-Soo Choi, Yongkweon Jeon, Yongsik Kwon, Donghun Lee and Sungroh Yoon: Detecting System Anomalies in Multivariate Time Series with Information Transfer and Random Walk. BDCAT'18
  • Ismail Oukid, Lucas Lersch: On the Diversity of Memory and Storage Technologies. Datenbank-Spektrum (2018) [Paper]
  • Jaesik Yoon, Taesup Kim, Ousmane Dia, Sungwoong Kimz, Yoshua Bengio, Sungjin Ahny: Bayesian Model-Agnostic Meta-Learning (BMAML). NIPS'18

2017

  • Hua FanJeffrey PoundPeter BumbulisNathan AuchScott MacLeanEric GarberAnil K. GoelEfficient and consistent replication for distributed logs. SoCC 2017647 [DOI]
  • Alister D’Costa, William Gordon, Laura J. Linta, Shijian (Charlie) Wang (adviser Anisoara Nica): Data Statistics Adviser in Database Management Systems. SIGMOD Student Research Competition, SIGMOD'17
  • Suprio RayRolando BlancoAnil K. GoelHigh performance location-based services in a main-memory database. GeoInformatica 21(2): 2017
  • Mirjana Pavlovic, Kai-Niklas Bastian, Hinnerk Gildhoff, Anastasia Ailamaki: Dictionary Compression in Point Cloud Data Management. SIGSPATIAL. 2017.
  • Georgios Psaropoulos, Thomas Legler, Norman May, Anastasia Ailamaki: Interleaving with Coroutines: A Practical Approach for Robust Index Joins. PVLDB 11(2): 230-242 (2017)
  • Stefan Bäuerle, Alexander Böhm: Bridging the semantical gap between relational data and application-level business objects with core data services.  Invited talk. DBPL@VLDB 2017
  • Stefan Bäuerle, Alexander Böhm: Bringing computation to the data(base) with Core Data Services (CDS). LWDA 2017
  • Thomas Bach, Artur Andrzejak, Ralf Pannemans, and David Lo: The Impact of Coverage on Bug Density in a Large Industrial Software Project. ESEM 2017 [Paper]
  • Marcus Paradies, Cornelia Kinder, Jan Bross, Thomas Fischer, Romans Kasperovics and Hinnerk Gildhoff: GraphScript: Implementing Complex Graph Algorithms in SAP HANA. DBPL@VLDB 2017
  • Ismail Oukid, Anisoara Nica, Daniel Dos Santos Bossle, Wolfgang Lehner, Peter Bumbulis, Thomas Willhalm: Adaptive Recovery for SCM-Enabled Databases. ADMS@VLDB 2017
  • Ismail Oukid, Daniel Booss, Adrien Lespinasse, Wolfgang Lehner, Thomas Willhalm, Grégoire Gomes:  Memory Management Techniques for Large-Scale Persistent-Main-Memory Systems. PVLDB10(11): 1166-1177 (2017)
  • Jan Broß, Simon Gog, Matthias Hauck and Marcus Paradies: Fast Construction of Compressed Web Graphs. SPIRE 2017
  • Lucas Lersch, Ismail Oukid, Ivan Schreter, Wolfgang Lehner: Rethinking DRAM Caching for LSMs in an NVRAM Environment. ADBIS 2017
  • Lucas Lersch, Ismail Oukid, Wolfgang Lehner, Ivan Schreter: Abstract: An Analysis of LSM Caching in NVRAM. DaMoN 2017
  • Ismail Oukid, Wolfgang Lehner: Tutorial: Data Structures Engineering For Byte-Addressable Non-Volatile Memory. SIGMOD 2017 [Paper]
  • Frank Tetzel, Hannes Voigt, Marcus Paradies, Wolfgang Lehner: An Analysis of the Feasibility of Graph Compression Techniques for Indexing Regular Path Queries. GRADES 2017
  • Matthias Hauck, Marcus Paradies, Holger Fröning: Can Modern Graph Processing Engines Run Concurrent Queries Efficiently? GRADES 2017
  • Ismail Oukid , Robert Kettler, Thomas Willhalm: Storage class memory and databases: Opportunities and challenges. it-Information Technology 2017.
  • Daniel Ritter, Norman May, Stefanie Rinderle-Ma: Patterns for Emerging Application Integration Scenarios: A Survey. Information Systems 2017.
  • Norman May, Alexander Boehm, Wolfgang Lehner: SAP HANA - The Evolution of an In-Memory DBMS from OLAP Processing Towards Mixed Workloads. BTW 2017
  • Michael Rudolf, Hannes Voigt, Wolfgang Lehner: SPARQLytics: Multidimensional Analytics for RDF. BTW 2017
  • Thomas Bach, Artur Andrzejak, and Ralf Pannemans: Coverage-Based Reduction of Test Execution Time: Lessons from a Very Large Industrial Project, TAIC PART 2017, co-located with: 10th IEEE International Conference on Software Testing, Verification and Validation (ICST 2017), March 13th, 2017, Tokyo, Japan. [Paper]
  • Juchang Lee, SeungHyun Moon, Kyu Hwan Kim, Deok Hoe Kim, Sang Kyun Cha, Wook-Shin Han, Chang Gyoo Park, Hyoung Jun Na, Joo-Yeon Lee: Parallel Replication across Formats in SAP HANA for Scaling Out Mixed OLTP/OLAP Workloads. VLDB'17
  • Cheol Ryu, Sunho Lee, Kihong Kim, Kunsoo Park, Yong Sik Kwon, Sang Kyun Cha, Changbin Song, Emanuel Ziegler, Stephan Muench: Optimizing Scalar User-Defined Functions in In-Memory Column-Store Database Systems. DASFAA’17
  • Anisoara Nica, Reza Sherkat, Mihnea Andrei, Xun Chen, Martin Heidel, Christian Bensberg, Heiko Gerwens: Statisticum: Data Statistics Management in SAP HANA. VLDB'17

2016

  • Yuanzhen JiAnisoara NicaZbigniew JerzakGregor HackenbroichChristof FetzerQuality-driven disorder handling for concurrent windowed stream queries with shared operators. DEBS'16
  • Yuanzhen JiJun SunAnisoara NicaZbigniew JerzakGregor HackenbroichChristof FetzerQuality-driven disorder handling for m-way sliding window stream joins. ICDE'16
  • Kaleb AlwayAnisoara NicaConstructing Join Histograms from Histograms with q-error Guarantees. SIGMOD'16
  • Robert Brunel, Norman May, Alfons Kemper: Index-Assisted Hierarchical Computations in Main-Memory RDBMS. PVLDB 9(12): 1065-1076 (2016)
  • Iraklis Psaroudakis, Tobias Scheuer, Norman May, Abdelkader Sellami, Anastasia Ailamaki: Adaptive NUMA-aware data placement and task scheduling for analytical workloads in main-memory column-stores. PVLDB 10(2): 37-48 (2016)
  • Daniel Ritter, Norman May, Kai Sachs, Stefanie Rinderle-Ma: Benchmarking integration pattern implementations. DEBS 2016: 125-136
  • Tobias Scheuer, Norman May, Alexander Boehm, Daniel Scheibli: JexLog: A Sonar for the Abyss, Demo, VLDB 2016, New Delhi, India, Sept. 5-9, 2016
  • Jan Finis, Robert Brunel, Alfons Kemper, Thomas Neumann, Norman May, Franz Faerber: Order Indexes: supporting highly dynamic hierarchical data in relational main-memory database systems. The VLDB Journal (2016): 1-26
  • Alexander Boehm, Jens Dittrich (Saarland University), Niloy Mukherjee (Oracle), Ippokratis Pandis (Amazon Web Services) Rajkumar Sen (Oracle): Tutorial: Operational analytics data management systems, VLDB 2016, New Delhi, India, Sept. 5-9, 2016
  • Ismail Oukid, Johan Lasperas, Anisoara Nica, Thomas Willhalm, Wolfgang Lehner. FPTree: A Hybrid SCM-DRAM Persistent and Concurrent B-Tree for Storage Class Memory. SIGMOD 2016, San Francisco, California, USA, June 26 - July 1 2016.
  • Ismail Oukid, Daniel Booss, Adrien Lespinasse, Wolfgang Lehner. On Testing Persistent-Memory-Based Software. DaMoN 2016 (co-located with SIGMOD 2016), San Francisco, California, USA, June 27, 2016.
  • David Kernert, Wolfgang Lehner, Frank Köhler. Topology-Aware Optimization of Big Sparse Matrices and Matrix Multiplications on Main-Memory Systems. ICDE 2016, Helsinki, Finland, May 16-20, 2016.
  • Elena Vasilyeva, Maik Thiele, Thomas Heinze, Wolfgang Lehner. DebEAQ - Debugging Empty-Answer Queries On Large Data Graphs (Demonstration). ICDE 2016, Helsinki, Finland, May 16-20, 2016.
  • Elena Vasilyeva. Why-Query Support in Graph Databases (PhD Symposium). ICDE 2016, Helsinki, Finland, May 16-20, 2016.
  • Juchang Lee, Hyungyu Shin, Chang Gyoo Park, Seongyun Ko, Jaeyun Noh, Yongjae Chuh, Wolfgang Stephan, Wook-Shin Han: Hybrid Garbage Collection for Multi-Version Concurrency Control in SAP HANA. SIGMOD'16
  • Reza Sherkat, Colin Florendo, Mihnea Andrei, Anil K. Goel, Anisoara Nica, Peter Bumbulis, Ivan Schreter, Günter Radestock, Christian Bensberg, Daniel Booss, Heiko Gerwens: Page As You Go: Piecewise Columnar Access In SAP HANA. SIGMOD'16
  • Kim-Thomas Rehmann, Changyun Seo, Dongwon Hwang, Binh Than Truong, Alexander Boehm, Donghun Lee:  Performance monitoring in SAP HANAs continuous integration process. ACM SIGMETRICS'16

2015

  • 2nd place in the ACM SIGMOD 2015 programming contest. For more details, click here.


  • Yuanzhen JiZbigniew JerzakAnisoara NicaGregor HackenbroichChristof FetzerOptimization of Continuous Queries in Federated Database and Stream Processing Systems. BTW'15
  • Yuanzhen JiHongjin ZhouZbigniew JerzakAnisoara NicaGregor HackenbroichChristof Fetzer: Quality-driven processing of sliding window aggregates over out-of-order data streams. DEBS'15
  • Stephan MüllerAnisoara NicaLars ButzmannStefan KlauckHasso PlattnerUsing Object-Awareness to Optimize Join Processing in the SAP HANA Aggregate Cache. EDBT'15
  • Yuanzhen JiHongjin ZhouZbigniew JerzakAnisoara NicaGregor HackenbroichChristof FetzerQuality-Driven Continuous Query Execution over Out-of-Order Data StreamsSIGMOD'15
  • Trevor ClinkenbeardAnisoara NicaJob Scheduling with Minimizing Data Communication Costs. SIGMOD'15
  • Anil K. GoelJeffrey PoundNathan AuchPeter BumbulisScott MacLeanFranz FärberFrancis GropengießerChristian MathisThomas BodnerWolfgang LehnerTowards Scalable Real-time Analytics: An Architecture for Scale-out of OLxP Workloads. Proc. VLDB Endow. 8(12): 2015
  • Chang GeMartin KaufmannLukasz GolabPeter M. FischerAnil K. GoelIndexing bi-temporal windows. SSDBM'15
  • Norman MayWolfgang LehnerShahul Hameed P.Nitesh MaheshwariCarsten MüllerSudipto ChowdhuriAnil K. GoelSAP HANA - From Relational OLAP Database to Big Data Infrastructure. EDBT'15
  • Suprio RayAngela Demke BrownNick KoudasRolando BlancoAnil K. GoelParallel in-memory trajectory-based spatiotemporal topological join. BigData'15
  • Elena Vasilyeva, Maik Thiele, Christof Bornhövd, Wolfgang Lehner. Considering User Intention in Differential Graph Queries . Journal of Database Management (JDM), 26(3), 21-40. doi: 10.4018/JDM.2015070102
  • Matthias Hauck, Marcus Paradies, Holger Fröning, Wolfgang Lehner and Hannes Rauhe, Highspeed Graph Processing Exploiting Main-Memory Column Stores, Workshop on Performance Engineering for Large Scale Graph Analytics (PELGA2015), in conjunction with EuroPar 2015, Vienna, Austria, Aug. 25, 2015
  • Elena Vasilyeva, Maik Thiele, Christof Bornhövd, Wolfgang Lehner. Answering "Why Empty?" and "Why So Many?" queries in graph databases. Journal of Computer and System Sciences (2015), DOI=10.1016/j.jcss.2015.06.007 http://dx.doi.org/10.1016/j.jcss.2015.06.007  
  • Mehul Wagle, Daniel Booss, Ivan Schreter. Scalable NUMA-Aware Memory Allocations with In-Memory Databases. TPCTC 2015 (co-located with VLDB 2015), Kohala Coast, Hawaii, USA, August 31 - September 4, 2015.
  • Marcus Paradies, Elena Vasilyeva, Adrian Mocan, Wolfgang Lehner. Robust Cardinality Estimation for Subgraph Isomorphism Queries on Property Graphs. Big-O(Q) 2015 (co-located with VLDB 2015), Kohala Coast, Hawaii, USA, August 31 - September 4, 2015.
  • Max Wildemann, Michael Rudolf, Marcus Paradies. The Time Has Come: Traversal and Reachability in Time-Varying Graphs. Big-O(Q) 2015 (co-located with VLDB 2015), Kohala Coast, Hawaii, USA, August 31 - September 4, 2015.
  • Iraklis Psaroudakis, Tobias Scheuer, Norman May, Abdelkader Sellami, Anastasia Ailamaki. Scaling Up Concurrent Main-Memory Column-Store Scans: Towards Adaptive NUMA-aware Data and Task Placement. VLDB 2015, Kohala Coast, Hawaii, USA, August 31 - September 4, 2015.
  • Jan Finis, Robert Brunel, Alfons Kemper, Thomas Neumann, Norman May, Franz Faerber. Indexing Highly Dynamic Hierarchical Data. VLDB 2015, Kohala Coast, Hawaii, USA, August 31 - September 4, 2015.
  • David Kernert, Norman May, Michael Hladik, Klaus Werner, Wolfgang Lehner. From Static to Agile - Interactive Particle Physics Analysis with the SAP HANA DB. DATA 2015, Colmar, France, July 20-22, 2015.
  • Marcus Paradies, Wolfgang Lehner, Christof Bornhövd. GRAPHITE: An Extensible Graph Traversal Framework for Relational Database Management Systems. SSDBM 2015, San Diego, USA, June 29 - July 1, 2015.
  • Elena Vasilyeva, Maik Thiele, Adrian Mocan, Wolfgang Lehner. Relaxation of Subgraph Queries Delivering Empty Results. SSDBM 2015, San Diego, USA, June 29 - July 1, 2015.
  • Florian Wolf, Iraklis Psaroudakis, Norman May, Anastasia Ailamaki, Kai-Uwe Sattler. Extending Database Task Schedulers for Multi-threaded Application Code. SSDBM 2015, San Diego, USA, June 29 - July 1, 2015.
  • Ingo Müller, Peter Sanders, Arnaud Lacurie, Wolfgang Lehner, Franz Färber. Cache-Efficient Aggregation: Hashing Is Sorting. SIGMOD 2015, Melbourne, Australia, May 31-June 4, 2015.
  • Daniel Scheibli, Christian Dinse, Alexander Böhm. QE3D: Interactive Visualization and Exploration of Complex, Distributed Query Plans . SIGMOD 2015 (Demonstration), Melbourne, Australia, May 31-June 4, 2015.
  • Martin Kaufmann, Peter M. Fischer, Norman May, Chang Ge, Anil K. Goel, Donald Kossmann. Bi-temporal Timeline Index: A Data Structure for Processing Queries on Bi-temporal Data. ICDE 2015, Seoul, Korea, April 2015.
  • Robert Brunel, Jan Finis, Gerald Franz, Norman May, Alfons Kemper, Thomas Neumann, Franz Faerber. Supporting Hierarchical Data in SAP HANA. ICDE 2015, Seoul, Korea, April 2015.
  • David Kernert, Frank Köhler, Wolfgang Lehner. SpMachO - Optimizing Sparse Linear Algebra Expressions with Probabilistic Density Estimation. EDBT 2015, Brussels, Belgium, March 23-27, 2015.
  • Alexander Böhm: Keynote: Novel Optimization Techniques for Modern Database Environments. BTW 2015: 23-24, March 5, 2015, Hamburg
  • Alexander Böhm, Mathias Golombek, Christoph Heinz, Henrik Loeser, Alfred Schlaucher, Thomas Ruf: Panel: Big Data - Evolution oder Revolution in der Datenverarbeitung? BTW 2015: 647-648, March 5, 2015, Hamburg
  • Ismail Oukid, Wolfgang Lehner, Thomas Kissinger, Thomas Willhalm, Peter Bumbulis. Instant Recovery for Main-Memory Databases. CIDR 2015, Asilomar, California, USA. January 4-7, 2015.

2014

  • Anisoara NicaFabian M. SuchanekAparna S. VardeNew Research Directions in Knowledge Discovery and Allied Spheres. SIGKDD Explorations 16(2): 2014
  • Pedram GhodsniaIvan T. BowmanAnisoara NicaParallel I/O aware query optimization. SIGMOD'14
  • Curtis Kroetsch (adviser Anisoara Nica): Multi-dimensional Data Statistics for Columnar In-Memory Databases. SIGMOD Student Research Competition, SIGMOD'20
  • Suprio RayRolando BlancoAnil K. GoelSupporting Location-Based Services in a Main-Memory Database. MDM'14
  • Iraklis Psaroudakis, Florian Wolf, Norman May, Thomas Neumann, Alexander Böhm, Anastasia Ailamaki, Kai-Uwe Sattler. Scaling up Mixed Workloads: a Battle of Data Freshness, Flexibility, and Scheduling. TPCTC 2014, Hangzhou, China, September 1-5, 2014.
  • Michael Rudolf, Hannes Voigt, Christof Bornhövd, Wolfgang Lehner. SynopSys: Foundations for Multidimensional Graph Analytics. BIRTE 2014, Hangzhou, China, September 1, 2014.
  • Elena Vasilyeva, Maik Thiele, Christof Bornhövd, Wolfgang Lehner: Top-k Differential Queries in Graph Databases. In Advances in Databases and Information Systems - 18th East European Conference, ADBIS 2014, Ohrid, Republic of Macedonia, September 7-10, 2014.
  • Kim-Thomas Rehmann, Alexander Böhm, Dong Hun Lee, Jörg Wiemers: Continuous performance testing for SAP HANA. First International Workshop on Reliable Data Services and Systems (RDSS), Co-located with ACM SIGMOD 2014, Snowbird, Utah, USA
  • Guido Moerkotte, David DeHaan, Norman May, Anisoara Nica, Alexander Böhm: Exploiting ordered dictionaries to efficiently construct histograms with q-error guarantees in SAP HANA. SIGMOD Conference 2014, Snowbird, Utah, USA
  • Ismail Oukid, Daniel Booss, Wolfgang Lehner, Peter Bumbulis, Thomas Willhalm. SOFORT: A Hybrid SCM-DRAM Storage Engine For Fast Data Recovery. DaMoN 2014, Snowbird, USA, June 22-27, 2014.
  • Iraklis Psaroudakis, Thomas Kissinger, Danica Porobic, Thomas Ilsche, Erietta Liarou, Pinar Tözün, Anastasia Ailamaki, Wolfgang Lehner. Dynamic Fine-Grained Scheduling for Energy-Efficient Main-Memory Queries. DaMoN 2014, Snowbird, USA, June 22-27, 2014.
  • Marcus Paradies, Michael Rudolf, Christof Bornhövd, Wolfgang Lehner. GRATIN: Accelerating Graph Traversals in Main-Memory Column Stores. GRADES 2014, Snowbird, USA, June 22-27, 2014.
  • David Kernert, Frank Köhler, Wolfgang Lehner. SLACID - Sparse Linear Algebra in a Columnar In-Memory Database System. SSDBM, Aalborg, Denmark, June/July 2014.
  • Ingo Müller, Peter Sanders, Robert Schulze, Wei Zhou. Retrieval and Perfect Hashing using Fingerprinting. SEA 2014, Copenhagen, Denmark, June/July 2014.
  • Martin Kaufmann, Peter M. Fischer, Norman May, Donald Kossmann. Benchmarking Bitemporal Database Systems: Ready for the Future or Stuck in the Past? EDBT 2014, Athens, Greece, March 2014.
  • Ingo Müller, Cornelius Ratsch, Franz Färber. Adaptive String Dictionary Compression in In-Memory Column-Store Database Systems. EDBT 2014, Athens, Greece, March 2014.
  • Elena Vasilyeva, Maik Thiele, Christof Bornhövd, Wolfgang Lehner: GraphMCS: Discover the Unknown in Large Data Graphs. EDBT/ICDT Workshops: 200-207.
  • Sang K. Cha, Kunsoo Park, Changbin Song, Kihong Kim, Cheol Ryu, Sunho Lee: Interval Disaggregate: A New Operator for Business Planning. VLDB'14

2013

  • Goetz GraefeAnisoara NicaKnut StolzeThomas NeumannTodd EavisIlia PetrovElaheh PourabbasDavid FeketeElasticity in Cloud Databases and Their Query Processing. IJDWM 9(2):2013
  • Fabian M. SuchanekAnisoara NicaPIKM 2013: the 6th ACM workshop for Ph.D. students in information and knowledge management. CIKM'13
  • Anisoara NicaStephen ChouUsing similarity distance for performance prediction of the query optimization process. DBTest'13
  • Fabian M. SuchanekAnisoara NicaProceedings of the Sixth Workshop on Ph.D. Students in Information and Knowledge Management, PIKM@CIKM 2013,  CIKM'13
  • Ivan T. BowmanMutatis mutandis: evaluating DBMS test adequacy with mutation testing. DBTest'13
  • Suprio RayRolando BlancoAnil K. GoelEnhanced database support for location-based services. IWGS'13
  • Vishal SikkaFranz FärberAnil K. GoelWolfgang LehnerSAP HANA: The Evolution from a Modern Main-Memory Data Platform to an Enterprise Application Platform. Proc. VLDB Endow. 6(11):  2013
  • Sebastian Breß, Felix Beier, Hannes Rauhe, Kai-Uwe Sattler, Eike Schallehn, Gunter Saake, Efficient co-processor utilization in database query processing, Information Systems, Volume 38, Issue 8, November 2013, Pages 1084-1096
  • Martin Kaufmann. PhD Workshop: Storing and Processing Temporal Data in a Main Memory Column Store. VLDB 2013, Riva del Garda, Italy, August 26-30, 2013.
  • Hannes Rauhe, Jonathan Dees, Kai-Uwe Sattler, Franz Färber. Multi-Level Parallel Query Excecution Framework for CPU and GPU. ADBIS 2013, Genoa, Italy, September 1-4, 2013.
  • Iraklis Psaroudakis, Tobias Scheuer, Norman May, Anastasia Ailamaki. Task Scheduling for Highly Concurrent Analytical and Transactional Main-Memory Workloads. ADMS 2013, Riva del Garda, Italy, August 2013.
  • Thomas Willhalm, Ismail Oukid, Ingo Müller, Franz Faerber. Vectorizing Database Column Scans with Complex Predicates. ADMS 2013, Riva del Garda, Italy, August 2013.
  • David Kernert, Frank Köhler, Wolfgang Lehner. Bringing Linear Algebra Objects to Life in a Column-Oriented In-Memory Database. IMDM 2013, Riva del Garda, Italy, August 2013.
  • Martin Kaufmann, Peter M. Fischer, Norman May, Andreas Tonder, Donald Kossmann. TPC-BiH: A Benchmark for Bi-Temporal Databases. TPCTC 2013, Riva del Garda, Italy, August 2013.
  • Martin Kaufmann, Panagiotis Vagenas, Peter M. Fischer (Univ. of Freiburg), Donald Kossmann, Franz Färber (SAP). DEMO: Comprehensive and Interactive Temporal Query Processing with SAP HANA. VLDB 2013, Riva del Garda, Italy, August 26-30, 2013.
  • Philipp Große, Wolfgang Lehner, Norman May: Advanced Analytics with the SAP HANA Database. DATA 2013.
  • Jan Finis, Robert Brunel, Alfons Kemper, Thomas Neumann, Franz Faerber, Norman May. DeltaNI: An Efficient Labeling Scheme for Versioned Hierarchical Data. SIGMOD 2013, New York, USA, June 22-27, 2013.
  • Michael Rudolf, Marcus Paradies, Christof Bornhövd, Wolfgang Lehner. SynopSys: Large Graph Analytics in the SAP HANA Database Through Summarization. GRADES 2013, New York, USA, June 22-27, 2013.
  • Elena Vasilyeva, Maik Thiele, Christof Bornhövd, Wolfgang Lehner: Leveraging Flexible Data Management with Graph Databases. GRADES 2013, New York, USA, June 22-27, 2013.
  • Jonathan Dees, Peter Sanders. Efficient Many-Core Query Execution in Main Memory Column-Stores. ICDE 2013, Brisbane, Australia, April 8-12, 2013
  • Martin Kaufmann, Peter M. Fischer (Univ. of Freiburg), Donald Kossmann, Norman May (SAP). DEMO: A Generic Database Benchmarking Service. ICDE 2013, Brisbane, Australia, April 8-12, 2013.

  • Martin Kaufmann, Amin A. Manjili, Peter M. Fischer (Univ. of Freiburg), Donald Kossmann, Franz Färber (SAP), Norman May (SAP): Timeline Index: A Unified Data Structure for Processing Queries on Temporal Data, SIGMOD 2013, New York, USA, June 22-27, 2013.
  • Martin Kaufmann, Amin A. Manjili, Stefan Hildenbrand, Donald Kossmann, Andreas Tonder (SAP). Time Travel in Column Stores. ICDE 2013, Brisbane, Australia, April 8-12, 2013
  • Rudolf, M., Paradies, M., Bornhövd, C., & Lehner, W. (2013). The Graph Story of the SAP HANA Database. BTW (pp. 403–420).
  • Robert Brunel, Jan Finis: Eine effiziente Indexstruktur für dynamische hierarchische Daten. BTW Workshops 2013: 267-276

2012

  • Anisoara Nica: Incremental maintenance of materialized views with outerjoins. Inf. Syst. 37(5): 2012
  • Anisoara NicaIan CharlesworthMaysum PanjuAnalyzing Query Optimization Process: Portraits of Join Enumeration Algorithms. ICDE'12
  • Günes AluçDavid DeHaanIvan T. BowmanParametric Plan Caching Using Density-Based Clustering. ICDE'12
  • Rösch, P., Dannecker, L., Hackenbroich, G., & Färber, F. (2012). A Storage Advisor for Hybrid-Store Databases. PVLDB (Vol. 5, pp. 1748–1758).
  • Sikka, V., Färber, F., Lehner, W., Cha, S. K., Peh, T., & Bornhövd, C. (2012). Efficient transaction processing in SAP HANA database. SIGMOD Conference (p. 731).
  • Färber, F., May, N., Lehner, W., Große, P., Müller, I., Rauhe, H., & Dees, J. (2012). The SAP HANA Database -- An Architecture Overview. IEEE Data Eng. Bull., 35(1), 28-33.
  • Sebastian Breß, Felix Beier, Hannes Rauhe, Eike Schallehn, Kai-Uwe Sattler, and Gunter Saake. 2012. Automatic selection of processing units for coprocessing in databases. ADBIS'12

2011

2010

  • Anisoara NicaFabian M. SuchanekAparna S. VardeEmerging multidisciplinary research across database management systems. SIGMOD Rec. 39(3): 2010
  • Anisoara NicaAparna S. VardePIKM 2010: ACM workshop for ph.d. students in information and knowledge management. CIKM'10
  • Anisoara NicaImmediate materialized views with outerjoins. ACM DOLAP'10, CIKM'10
  • Anisoara NicaAparna S. VardeProceedings of the Third Ph.D. Workshop on Information and Knowledge Management, PIKM 2010. CIKM'10
  • Lemke, C., Sattler, K.-U., Faerber, F., & Zeier, A. (2010). Speeding up queries in column stores: a case for compression, 117-129.
  • Bernhard Jaecksch, Franz Faerber, and Wolfgang Lehner. (2010). Cherry picking in database languages.
  • Bernhard Jaecksch, Wolfgang Lehner, and Franz Faerber. (2010). A plan for OLAP.
  • Paradies, M., Lemke, C., Plattner, H., Lehner, W., Sattler, K., Zeier, A., Krüger, J. (2010): How to Juggle Columns: An Entropy-Based Approach for Table Compression, IDEAS.

2009

  • Anisoara NicaDaniel Scott BrotherstonDavid William HillisExtreme visualisation of query optimizer search space. SIGMOD'09
  • Binnig, C., Hildenbrand, S., & Färber, F. (2009). Dictionary-based order-preserving string compression for main memory column stores. SIGMOD Conference (p. 283).
  • Kunkel, Julian M., Tsujita, Y., Mordvinova, O., & Ludwig, T. (2009). Tracing Internal Communication in MPI and MPI-I/O. 2009 International Conference on Parallel and Distributed Computing, Applications and Technologies (pp. 280-286).
  • Legler, T. (2009). Datenzentrierte Bestimmung von Assoziationsregeln in parallelen Datenbankarchitekturen.
  • Mordvinova, O., Kunkel, J. M., Baun, C., Ludwig, T., & Kunze, M. (2009). USB flash drives as an energy efficient storage alternative. 2009 10th IEEE/ACM International Conference on Grid Computing (pp. 175-182).
  • Transier, F. (2009). Algorithms and Data Structures for In-Memory Text Search Engines.
  • Transier, F., & Sanders, P. (2009). Out of the Box Phrase Indexing. In A. Amir, A. Turpin, & A. Moffat (Eds.), SPIRE (Vol. 5280, pp. 200-211).
  • Willhalm, T., Popovici, N., Boshmaf, Y., Plattner, H., Zeier, A., & Schaffner, J. (2009). SIMD-scan: ultra fast in-memory table scan using on-chip vector processing units. PVLDB, 2(1), 385-394.
  • Jäksch, B., Lembke, R., Stortz, B., Haas, S., Gerstmair, A., & Färber, F. (2009). Guided Navigation basierend auf SAP Netweaver BIA. Datenbanksysteme für Business, Technologie und Web, 596-599.
  • Lemke, C., Sattler, K.-uwe, & Franz, F. (2009). Kompressionstechniken für spaltenorientierte BI-Accelerator-Lösungen. Datenbanksysteme in Business, Technologie und Web, 486-497.
  • Mordvinova, O., Shepil, O., Ludwig, T., & Ross, A. (2009). A Strategy For Cost Efficient Distributed Data Storage For In-Memory OLAP. Proceedings IADIS International Conference Applied Computing, pages 109-117.

2008

  • Hill, G., & Ross, A. (2008). Reducing outer joins. The VLDB Journal, 18(3), 599-610.
  • Weyerhaeuser, C., Mindnich, T., Faerber, F., & Lehner, W. (2008). Exploiting Graphic Card Processor Technology to Accelerate Data Mining Queries in SAP NetWeaver BIA. 2008 IEEE International Conference on Data Mining Workshops (pp. 506-515).
  • Schmidt-Volkmar, P. (2008). Betriebswirtschaftliche Analyse auf operationalen Daten (German Edition) (p. 244). Gabler Verlag.
  • Transier, F., & Sanders, P. (2008). Compressed Inverted Indexes for In-Memory Search Engines. ALENEX (pp. 3-12).

2007

2006 

  • Bitton, D., Faerber, F., Haas, L., & Shanmugasundaram, J. (2006). One platform for mining structured and unstructured data: dream or reality?, 1261-1262.
  • Geiß, J., Mordvinova, O., & Rams, M. (2006). Natürlichsprachige Suchanfragen über strukturierte Daten.
  • Legler, T., Lehner, W., & Ross, A. (2006). Data mining with the SAP NetWeaver BI accelerator, 1059-1068.