Thomas Neumann

Orcid: 0000-0001-5787-142X

Affiliations:
  • TU Munich, Faculty of Computer Science, Germany


According to our database1, Thomas Neumann authored at least 242 papers between 2003 and 2024.

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Bibliography

2024
The Duck's Brain.
Datenbank-Spektrum, November, 2024

Two Birds With One Stone: Designing a Hybrid Cloud Storage Engine for HTAP.
Proc. VLDB Endow., July, 2024

Robust Join Processing with Diamond Hardened Joins.
Proc. VLDB Endow., July, 2024

Technical Perspective: Efficient and Reusable Lazy Sampling.
SIGMOD Rec., March, 2024

Technical Perspective: From Binary Join to Free Join.
SIGMOD Rec., March, 2024

Can Delta Compete with Frame-of-Reference for Lightweight Integer Compression?
Proceedings of Workshops at the 50th International Conference on Very Large Data Bases, 2024

Closing the Gap between Theory and Practice in Query Optimization.
Proceedings of the Companion of the 43rd Symposium on Principles of Database Systems, 2024

Adaptive Compression for Databases.
Proceedings of the Proceedings 27th International Conference on Extending Database Technology, 2024

Simple, Efficient, and Robust Hash Tables for Join Processing.
Proceedings of the 20th International Workshop on Data Management on New Hardware, 2024

A Critique of Modern SQL and a Proposal Towards a Simple and Expressive Query Language.
Proceedings of the 14th Conference on Innovative Data Systems Research, 2024

2023
Practical planning and execution of groupjoin and nested aggregates.
VLDB J., November, 2023

Bringing Compiling Databases to RISC Architectures.
Proc. VLDB Endow., 2023

Asymptotically Better Query Optimization Using Indexed Algebra.
Proc. VLDB Endow., 2023

Exploiting Cloud Object Storage for High-Performance Analytics.
Proc. VLDB Endow., 2023

The Duck's Brain: Training and Inference of Neural Networks in Modern Database Engines.
CoRR, 2023

DashQL - Complete Analysis Workflows with SQL.
CoRR, 2023

Exploiting Code Generation for Efficient LIKE Pattern Matching.
Proceedings of the Joint Proceedings of Workshops at the 49th International Conference on Very Large Data Bases (VLDB 2023), Vancouver, Canada, August 28, 2023

Relation-Based In-Database Stream Processing.
Proceedings of the Joint Proceedings of Workshops at the 49th International Conference on Very Large Data Bases (VLDB 2023), Vancouver, Canada, August 28, 2023

SPA: Economical and Workload-Driven Indexing for Data Analytics in the Cloud.
Proceedings of the 39th IEEE International Conference on Data Engineering, 2023

Blue Elephants Inspecting Pandas: Inspection and Execution of Machine Learning Pipelines in SQL.
Proceedings of the Proceedings 26th International Conference on Extending Database Technology, 2023

NN2SQL: Let SQL Think for Neural Networks.
Proceedings of the Datenbanksysteme für Business, 2023

Seamless Integration of Parquet Files into Data Processing.
Proceedings of the Datenbanksysteme für Business, 2023

Communication-Optimal Parallel Reservoir Sampling.
Proceedings of the Datenbanksysteme für Business, 2023

2022
On-Demand State Separation for Cloud Data Warehousing.
Proc. VLDB Endow., 2022

Plush: A Write-Optimized Persistent Log-Structured Hash-Table.
Proc. VLDB Endow., 2022

User-Defined Operators: Efficiently Integrating Custom Algorithms into Modern Databases.
Proc. VLDB Endow., 2022

A Scalable and Generic Approach to Range Joins.
Proc. VLDB Endow., 2022

DuckDB-Wasm: Fast Analytical Processing for the Web.
Proc. VLDB Endow., 2022

Memory-Optimized Multi-Version Concurrency Control for Disk-Based Database Systems.
Proc. VLDB Endow., 2022

Recursive SQL and GPU-support for in-database machine learning.
Distributed Parallel Databases, 2022

B<sup>2</sup>-Tree: Page-Based String Indexing in Concurrent Environments.
Datenbank-Spektrum, 2022

Recursive SQL for Data Mining.
Proceedings of the SSDBM 2022: 34th International Conference on Scientific and Statistical Database Management, Copenhagen, Denmark, July 6, 2022

Efficient Evaluation of Arbitrarily-Framed Holistic SQL Aggregates and Window Functions.
Proceedings of the SIGMOD '22: International Conference on Management of Data, Philadelphia, PA, USA, June 12, 2022

Adaptive Hybrid Indexes.
Proceedings of the SIGMOD '22: International Conference on Management of Data, Philadelphia, PA, USA, June 12, 2022

ArrayQL Integration into Code-Generating Database Systems.
Proceedings of the 25th International Conference on Extending Database Technology, 2022

LLVM code optimisation for automatic differentiation: when forward and reverse mode lead in the same direction.
Proceedings of the DEEM '22: Proceedings of the Sixth Workshop on Data Management for End-To-End Machine Learning Philadelphia, 2022

Efficiently Compiling Dynamic Code for Adaptive Query Processing.
Proceedings of the International Workshop on Accelerating Analytics and Data Management Systems Using Modern Processor and Storage Architectures, 2022

What Are You Waiting For? Use Coroutines for Asynchronous I/O to Hide I/O Latencies and Maximize the Read Bandwidth!
Proceedings of the International Workshop on Accelerating Analytics and Data Management Systems Using Modern Processor and Storage Architectures, 2022

2021
Tidy Tuples and Flying Start: fast compilation and fast execution of relational queries in Umbra.
VLDB J., 2021

Making Compiling Query Engines Practical.
IEEE Trans. Knowl. Data Eng., 2021

A Practical Approach to Groupjoin and Nested Aggregates.
Proc. VLDB Endow., 2021

Evolution of a Compiling Query Engine.
Proc. VLDB Endow., 2021

ML-In-Databases: Assessment and Prognosis.
IEEE Data Eng. Bull., 2021

In-Database Machine Learning with SQL on GPUs.
Proceedings of the SSDBM 2021: 33rd International Conference on Scientific and Statistical Database Management, 2021

ArrayQL for Linear Algebra within Umbra.
Proceedings of the SSDBM 2021: 33rd International Conference on Scientific and Statistical Database Management, 2021

Self-Tuning Query Scheduling for Analytical Workloads.
Proceedings of the SIGMOD '21: International Conference on Management of Data, 2021

TardisDB: Extending SQL to Support Versioning.
Proceedings of the SIGMOD '21: International Conference on Management of Data, 2021

Building Advanced SQL Analytics From Low-Level Plan Operators.
Proceedings of the SIGMOD '21: International Conference on Management of Data, 2021

A Tailored Regression for Learned Indexes: Logarithmic Error Regression.
Proceedings of the aiDM '21: Fourth Workshop in Exploiting AI Techniques for Data Management, 2021

JSON Tiles: Fast Analytics on Semi-Structured Data.
Proceedings of the SIGMOD '21: International Conference on Management of Data, 2021

To Partition, or Not to Partition, That is the Join Question in a Real System.
Proceedings of the SIGMOD '21: International Conference on Management of Data, 2021

Profiling dataflow systems on multiple abstraction levels.
Proceedings of the EuroSys '21: Sixteenth European Conference on Computer Systems, 2021

GeoBlocks: A Query-Cache Accelerated Data Structure for Spatial Aggregation over Polygons.
Proceedings of the 24th International Conference on Extending Database Technology, 2021

B²-Tree: Cache-Friendly String Indexing within B-Trees.
Proceedings of the Datenbanksysteme für Business, 2021

Umbra as a Time Machine.
Proceedings of the Datenbanksysteme für Business, 2021

One Buffer Manager to Rule Them All: Using Distributed Memory with Cache Coherence over RDMA.
Proceedings of the International Workshop on Accelerating Analytics and Data Management Systems Using Modern Processor and Storage Architectures, 2021

2020
Building blocks for persistent memory.
VLDB J., 2020

Make the most out of your SIMD investments: counter control flow divergence in compiled query pipelines.
VLDB J., 2020

Benchmarking Learned Indexes.
Proc. VLDB Endow., 2020

Adopting Worst-Case Optimal Joins in Relational Database Systems.
Proc. VLDB Endow., 2020

FSST: Fast Random Access String Compression.
Proc. VLDB Endow., 2020

Meet Me Halfway: Split Maintenance of Continuous Views.
Proc. VLDB Endow., 2020

Mosaic: A Budget-Conscious Storage Engine for Relational Database Systems.
Proc. VLDB Endow., 2020

Freedom for the SQL-Lambda: Just-in-Time-Compiling User-Injected Functions in PostgreSQL.
Proceedings of the SSDBM 2020: 32nd International Conference on Scientific and Statistical Database Management, 2020

Tree-Encoded Bitmaps.
Proceedings of the 2020 International Conference on Management of Data, 2020

RadixSpline: a single-pass learned index.
Proceedings of the Third International Workshop on Exploiting Artificial Intelligence Techniques for Data Management, 2020

On another level: how to debug compiling query engines.
Proceedings of the 8th International Workshop on Testing Database Systems, 2020

Rethinking Logging, Checkpoints, and Recovery for High-Performance Storage Engines.
Proceedings of the 2020 International Conference on Management of Data, 2020

Low-Latency Communication for Fast DBMS Using RDMA and Shared Memory.
Proceedings of the 36th IEEE International Conference on Data Engineering, 2020

START - Self-Tuning Adaptive Radix Tree.
Proceedings of the 36th IEEE International Conference on Data Engineering Workshops, 2020

Adaptive Main-Memory Indexing for High-Performance Point-Polygon Joins.
Proceedings of the 23rd International Conference on Extending Database Technology, 2020

The Case for Hybrid Succinct Data Structures.
Proceedings of the 23rd International Conference on Extending Database Technology, 2020

Scalable and robust latches for database systems.
Proceedings of the 16th International Workshop on Data Management on New Hardware, 2020

Concurrent online sampling for all, for free.
Proceedings of the 16th International Workshop on Data Management on New Hardware, 2020

Umbra: A Disk-Based System with In-Memory Performance.
Proceedings of the 10th Conference on Innovative Data Systems Research, 2020

ARTful Skyline Computation for In-Memory Database Systems.
Proceedings of the New Trends in Databases and Information Systems, 2020

2019
Scalable Analytics on Fast Data.
ACM Trans. Database Syst., 2019

The Seattle Report on Database Research.
SIGMOD Rec., 2019

Performance-Optimal Filtering: Bloom overtakes Cuckoo at High-Throughput.
Proc. VLDB Endow., 2019

Scalable Garbage Collection for In-Memory MVCC Systems.
Proc. VLDB Endow., 2019

Optimistic Lock Coupling: A Scalable and Efficient General-Purpose Synchronization Method.
IEEE Data Eng. Bull., 2019

SOSD: A Benchmark for Learned Indexes.
CoRR, 2019

GeoBlocks: A Query-Driven Storage Layout for Geospatial Data.
CoRR, 2019

Versioning in Main-Memory Database Systems: From MusaeusDB to TardisDB.
Proceedings of the 31st International Conference on Scientific and Statistical Database Management, 2019

MLearn: A Declarative Machine Learning Language for Database Systems.
Proceedings of the 3rd International Workshop on Data Management for End-to-End Machine Learning, 2019

DaMoN 19: The 15th International Workshop on Data Management on New Hardware.
Proceedings of the 2019 International Conference on Management of Data, 2019

Estimating Cardinalities with Deep Sketches.
Proceedings of the 2019 International Conference on Management of Data, 2019

No False Negatives: Accepting All Useful Schedules in a Fast Serializable Many-Core System.
Proceedings of the 35th IEEE International Conference on Data Engineering, 2019

DeepSPACE: Approximate Geospatial Query Processing with Deep Learning.
Proceedings of the 27th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems, 2019

The Power of SQL Lambda Functions.
Proceedings of the Advances in Database Technology, 2019

ML2SQL - Compiling a Declarative Machine Learning Language to SQL and Python.
Proceedings of the Advances in Database Technology, 2019

Persistent Memory I/O Primitives.
Proceedings of the 15th International Workshop on Data Management on New Hardware, 2019

On the Impact of Memory Allocation on High-Performance Query Processing.
Proceedings of the 15th International Workshop on Data Management on New Hardware, 2019

Every Row Counts: Combining Sketches and Sampling for Accurate Group-By Result Estimates.
Proceedings of the 9th Biennial Conference on Innovative Data Systems Research, 2019

Domain Query Optimization: Adapting the General-Purpose Database System Hyper for Tableau Workloads.
Proceedings of the Datenbanksysteme für Business, 2019

In-Database Machine Learning: Gradient Descent and Tensor Algebra for Main Memory Database Systems.
Proceedings of the Datenbanksysteme für Business, 2019

Ja-(zu-)SQL: Evaluation einer SQL-Skriptsprache für Hauptspeicherdatenbanksysteme.
Proceedings of the Datenbanksysteme für Business, 2019

DFG Priority Program SPP 2037: Scalable Data Management for Future Hardware.
Proceedings of the Datenbanksysteme für Business, 2019

LinDP++: Generalizing Linearized DP to Crossproducts and Non-Inner Joins.
Proceedings of the Datenbanksysteme für Business, 2019

Experimental Study of Memory Allocation for High-Performance Query Processing.
Proceedings of the 10th International Workshop on Accelerating Analytics and Data Management Systems Using Modern Processor and Storage Architectures, 2019

2018
Query Optimization (in Relational Databases).
Proceedings of the Encyclopedia of Database Systems, Second Edition, 2018

System R (R*) Optimizer.
Proceedings of the Encyclopedia of Database Systems, Second Edition, 2018

Query optimization through the looking glass, and what we found running the Join Order Benchmark.
VLDB J., 2018

How Good Are Modern Spatial Analytics Systems?
Proc. VLDB Endow., 2018

Everything You Always Wanted to Know About Compiled and Vectorized Queries But Were Afraid to Ask.
Proc. VLDB Endow., 2018

Adaptive Geospatial Joins for Modern Hardware.
CoRR, 2018

Get Real: How Benchmarks Fail to Represent the Real World.
Proceedings of the 7th International Workshop on Testing Database Systems, 2018

Managing Non-Volatile Memory in Database Systems.
Proceedings of the 2018 International Conference on Management of Data, 2018

Adaptive Optimization of Very Large Join Queries.
Proceedings of the 2018 International Conference on Management of Data, 2018

Reasoning in the Presence of NULLs.
Proceedings of the 34th IEEE International Conference on Data Engineering, 2018

LeanStore: In-Memory Data Management beyond Main Memory.
Proceedings of the 34th IEEE International Conference on Data Engineering, 2018

Adaptive Execution of Compiled Queries.
Proceedings of the 34th IEEE International Conference on Data Engineering, 2018

Approximate Geospatial Joins with Precision Guarantees.
Proceedings of the 34th IEEE International Conference on Data Engineering, 2018

2017
Order Indexes: supporting highly dynamic hierarchical data in relational main-memory database systems.
VLDB J., 2017

Automatic Algorithm Transformation for Efficient Multi-Snapshot Analytics on Temporal Graphs.
Proc. VLDB Endow., 2017

Monopedia: Staying Single is Good Enough - The HyPer Way for Web Scale Applications.
Proc. VLDB Endow., 2017

Die Evolution des Hauptspeicherdatenbanksystems HyPer - Von Transaktionen und Analytik zu Big Data sowie von der Forschung zum Technologietransfer.
Inform. Spektrum, 2017

Main Memory Database Systems.
Found. Trends Databases, 2017

Efficient Batched Distance, Closeness and Betweenness Centrality Computation in Unweighted and Weighted Graphs.
Datenbank-Spektrum, 2017

SQL- and Operator-centric Data Analytics in Relational Main-Memory Databases.
Proceedings of the 20th International Conference on Extending Database Technology, 2017

Analytics on Fast Data: Main-Memory Database Systems versus Modern Streaming Systems.
Proceedings of the 20th International Conference on Extending Database Technology, 2017

Parallel Array-Based Single- and Multi-Source Breadth First Searches on Large Dense Graphs.
Proceedings of the 20th International Conference on Extending Database Technology, 2017

HyPerInsight: Data Exploration Deep Inside HyPer.
Proceedings of the 2017 ACM on Conference on Information and Knowledge Management, 2017

Cardinality Estimation Done Right: Index-Based Join Sampling.
Proceedings of the 8th Biennial Conference on Innovative Data Systems Research, 2017

Efficient Batched Distance and Centrality Computation in Unweighted and Weighted Graphs.
Proceedings of the Datenbanksysteme für Business, 2017

The Complete Story of Joins (in HyPer).
Proceedings of the Datenbanksysteme für Business, 2017

Die Evolution des Hauptspeicher-Datenbanksystems HyPer: Von Transaktionen und Analytik zu Big Data sowie von der Forschung zum Technologietransfer.
Proceedings of the 50 Jahre Universitäts-Informatik in München, 2017

2016
Special Issue: Modern Hardware.
VLDB J., 2016

Scaling HTM-Supported Database Transactions to Many Cores.
IEEE Trans. Knowl. Data Eng., 2016

High-Performance Geospatial Analytics in HyPerSpace.
Proceedings of the 2016 International Conference on Management of Data, 2016

Data Blocks: Hybrid OLTP and OLAP on Compressed Storage using both Vectorization and Compilation.
Proceedings of the 2016 International Conference on Management of Data, 2016

Flow-Join: Adaptive skew handling for distributed joins over high-speed networks.
Proceedings of the 32nd IEEE International Conference on Data Engineering, 2016

Evaluation of parallel graph loading techniques.
Proceedings of the Fourth International Workshop on Graph Data Management Experiences and Systems, Redwood Shores, CA, USA, June 24, 2016

The ART of practical synchronization.
Proceedings of the 12th International Workshop on Data Management on New Hardware, 2016

2015
High-Speed Query Processing over High-Speed Networks.
Proc. VLDB Endow., 2015

Efficient Processing of Window Functions in Analytical SQL Queries.
Proc. VLDB Endow., 2015

How Good Are Query Optimizers, Really?
Proc. VLDB Endow., 2015

Indexing Highly Dynamic Hierarchical Data.
Proc. VLDB Endow., 2015

High-Performance Main-Memory Database Systems and Modern Virtualization: Friends or Foes?
Proceedings of the Fourth Workshop on Data analytics in the Cloud, 2015

Fast Serializable Multi-Version Concurrency Control for Main-Memory Database Systems.
Proceedings of the 2015 ACM SIGMOD International Conference on Management of Data, Melbourne, Victoria, Australia, May 31, 2015

Effiziente Integration von Data- und Graph-Mining-Algorithmen in relationale Datenbanksysteme.
Proceedings of the LWA 2015 Workshops: KDML, 2015

Supporting hierarchical data in SAP HANA.
Proceedings of the 31st IEEE International Conference on Data Engineering, 2015

Hochperformante Analyse von Graph-Datenbanken.
Proceedings of the Datenbanksysteme für Business, 2015

Unnesting Arbitrary Queries.
Proceedings of the Datenbanksysteme für Business, 2015

2014
The Database Group at TUM.
SIGMOD Rec., 2014

The linked data benchmark council: a graph and RDF industry benchmarking effort.
SIGMOD Rec., 2014

The More the Merrier: Efficient Multi-Source Graph Traversal.
Proc. VLDB Endow., 2014

Engineering High-Performance Database Engines.
Proc. VLDB Endow., 2014

Compiling Database Queries into Machine Code.
IEEE Data Eng. Bull., 2014

HyPer Beyond Software: Exploiting Modern Hardware for Main-Memory Database Systems.
Datenbank-Spektrum, 2014

Benchmarking Elastic Query Processing on Big Data.
Proceedings of the Big Data Benchmarking - 5th International Workshop, 2014

Scaling Up Mixed Workloads: A Battle of Data Freshness, Flexibility, and Scheduling.
Proceedings of the Performance Characterization and Benchmarking. Traditional to Big Data, 2014

One DBMS for all: the brawny few and the wimpy crowd.
Proceedings of the International Conference on Management of Data, 2014

Morsel-driven parallelism: a NUMA-aware query evaluation framework for the many-core age.
Proceedings of the International Conference on Management of Data, 2014

On-the-fly token similarity joins in relational databases.
Proceedings of the International Conference on Management of Data, 2014

Locality-sensitive operators for parallel main-memory database clusters.
Proceedings of the IEEE 30th International Conference on Data Engineering, Chicago, 2014

Exploiting hardware transactional memory in main-memory databases.
Proceedings of the IEEE 30th International Conference on Data Engineering, Chicago, 2014

Main-memory database systems.
Proceedings of the IEEE 30th International Conference on Data Engineering, Chicago, 2014

Exploiting the query structure for efficient join ordering in SPARQL queries.
Proceedings of the 17th International Conference on Extending Database Technology, 2014

Heterogeneity-conscious parallel query execution: getting a better mileage while driving faster!
Proceedings of the Tenth International Workshop on Data Management on New Hardware, 2014

Efficient Query Processing in RDF Databases.
Proceedings of the Linked Data Management., 2014

2013
Instant Loading for Main Memory Databases.
Proc. VLDB Endow., 2013

Front Matter.
Proc. VLDB Endow., 2013

Elasticity in Cloud Databases and Their Query Processing.
Int. J. Data Warehous. Min., 2013

Processing in the Hybrid OLTP & OLAP Main-Memory Database System HyPer.
IEEE Data Eng. Bull., 2013

Bericht vom Herbsttreffen der GI-Fachgruppe Datenbanksysteme.
Datenbank-Spektrum, 2013

Vorstellung des Lehrstuhls für Datenbanksysteme der TUM.
Datenbank-Spektrum, 2013

The Linked Data Benchmark Council Project.
Datenbank-Spektrum, 2013

An Evaluation of Strict Timestamp Ordering Concurrency Control for Main-Memory Database Systems.
Proceedings of the 1st International Workshop on In Memory Data Management and Analytics, 2013

Massively Parallel NUMA-aware Hash Joins.
Proceedings of the 1st International Workshop on In Memory Data Management and Analytics, 2013

TPC-H Analyzed: Hidden Messages and Lessons Learned from an Influential Benchmark.
Proceedings of the Performance Characterization and Benchmarking, 2013

ScyPer: elastic OLAP throughput on transactional data.
Proceedings of the Second Workshop on Data Analytics in the Cloud, 2013

DeltaNI: an efficient labeling scheme for versioned hierarchical data.
Proceedings of the ACM SIGMOD International Conference on Management of Data, 2013

CPU and cache efficient management of memory-resident databases.
Proceedings of the 29th IEEE International Conference on Data Engineering, 2013

The adaptive radix tree: ARTful indexing for main-memory databases.
Proceedings of the 29th IEEE International Conference on Data Engineering, 2013

Executing Long-Running Transactions in Synchronization-Free Main Memory Database Systems.
Proceedings of the Sixth Biennial Conference on Innovative Data Systems Research, 2013

ScyPer: A Hybrid OLTP&OLAP Distributed Main Memory Database System for Scalable Real-Time Analytics.
Proceedings of the Datenbanksysteme für Business, 2013

Extending the MPSM Join.
Proceedings of the Datenbanksysteme für Business, 2013

Taking the Edge off Cardinality Estimation Errors using Incremental Execution.
Proceedings of the Datenbanksysteme für Business, 2013

Studierendenprogramm: Aufruf zu Beiträgen.
Proceedings of the Datenbanksysteme für Business, Technologie und Web (BTW),, 2013

2012
Compacting Transactional Data in Hybrid OLTP & OLAP Databases.
Proc. VLDB Endow., 2012

Massively Parallel Sort-Merge Joins in Main Memory Multi-Core Database Systems.
Proc. VLDB Endow., 2012

HyPer: Adapting Columnar Main-Memory Data Management for Transactional AND Query Processing.
IEEE Data Eng. Bull., 2012

Effective and Robust Pruning for Top-Down Join Enumeration Algorithms.
Proceedings of the IEEE 28th International Conference on Data Engineering (ICDE 2012), 2012

The mainframe strikes back: elastic multi-tenancy using main memory database systems on a many-core server.
Proceedings of the 15th International Conference on Extending Database Technology, 2012

Fast approximation of steiner trees in large graphs.
Proceedings of the 21st ACM International Conference on Information and Knowledge Management, 2012

Get Tracked: A Triple Store for RFID Traceability Data.
Proceedings of the Advances in Databases and Information Systems, 2012

2011
Efficiently Compiling Efficient Query Plans for Modern Hardware.
Proc. VLDB Endow., 2011

Accelerating Queries with Group-By and Join by Groupjoin.
Proc. VLDB Endow., 2011

HyPer-sonic Combined Transaction AND Query Processing.
Proc. VLDB Endow., 2011

RDF-Stores und RDF-Query-Engines.
Datenbank-Spektrum, 2011

HyPer: Die effiziente Reinkarnation des Schattenspeichers in einem Hauptspeicher-DBMS.
Datenbank-Spektrum, 2011

Path Query Processing on Very Large RDF Graphs.
Proceedings of the 14th International Workshop on the Web and Databases 2011, 2011

Metrics for Measuring the Performance of the Mixed Workload CH-benCHmark.
Proceedings of the Topics in Performance Evaluation, Measurement and Characterization, 2011

The mixed workload CH-benCHmark.
Proceedings of the Fourth International Workshop on Testing Database Systems, 2011

The mainframe strikes back: multi tenancy in the Main memory database hyper on a TB-server.
Proceedings of the Innovative Unternehmensanwendungen mit In-Memory Data Management, 2011

Characteristic sets: Accurate cardinality estimation for RDF queries with multiple joins.
Proceedings of the 27th International Conference on Data Engineering, 2011

HyPer: A hybrid OLTP&OLAP main memory database system based on virtual memory snapshots.
Proceedings of the 27th International Conference on Data Engineering, 2011

Efficient Query Processing on Modern Hardware.
Proceedings of the 23rd GI-Workshop "Grundlagen von Datenbanken 2011", Obergurgl, Austria, May 31, 2011

How to efficiently snapshot transactional data: hardware or software controlled?
Proceedings of the Seventh International Workshop on Data Management on New Hardware, 2011

Benchmarking Hybrid OLTP&OLAP Database Systems.
Proceedings of the Datenbanksysteme für Business, 2011

2010
The RDF-3X engine for scalable management of RDF data.
VLDB J., 2010

x-RDF-3X: Fast Querying, High Update Rates, and Consistency for RDF Databases.
Proc. VLDB Endow., 2010

Active knowledge: dynamically enriching RDF knowledge bases by web services.
Proceedings of the ACM SIGMOD International Conference on Management of Data, 2010

One Size Fits all, Again! The Architecture of the Hybrid OLTP&OLAP Database Management System HyPer.
Proceedings of the Enabling Real-Time Business Intelligence - 4th International Workshop, 2010

2009
Query Optimization (in Relational Databases).
Proceedings of the Encyclopedia of Database Systems, 2009

System R (R*) Optimizer.
Proceedings of the Encyclopedia of Database Systems, 2009

ANGIE: Active Knowledge for Interactive Exploration.
Proc. VLDB Endow., 2009

Preventing Bad Plans by Bounding the Impact of Cardinality Estimation Errors.
Proc. VLDB Endow., 2009

Generating optimal DAG-structured query evaluation plans.
Comput. Sci. Res. Dev., 2009

Distributed top-<i>k</i> aggregation queries at large.
Distributed Parallel Databases, 2009

Scalable join processing on very large RDF graphs.
Proceedings of the ACM SIGMOD International Conference on Management of Data, 2009

Query simplification: graceful degradation for join-order optimization.
Proceedings of the ACM SIGMOD International Conference on Management of Data, 2009

A Framework for Reasoning about Share Equivalence and Its Integration into a Plan Generator.
Proceedings of the Datenbanksysteme in Business, 2009

2008
RDF-3X: a RISC-style engine for RDF.
Proc. VLDB Endow., 2008

Making SENSE: socially enhanced search and exploration.
Proc. VLDB Endow., 2008

Social Wisdom for Search and Recommendation.
IEEE Data Eng. Bull., 2008

Optimizing Distributed Top-k Queries.
Proceedings of the Web Information Systems Engineering, 2008

Dynamic programming strikes back.
Proceedings of the ACM SIGMOD International Conference on Management of Data, 2008

Efficient top-k querying over social-tagging networks.
Proceedings of the 31st Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, 2008

Social recommendations at work.
Proceedings of the 31st Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, 2008

Near-optimal dynamic replication in unstructured peer-to-peer networks.
Proceedings of the Twenty-Seventh ACM SIGMOD-SIGACT-SIGART Symposium on Principles of Database Systems, 2008

Faster Join Enumeration for Complex Queries.
Proceedings of the 24th International Conference on Data Engineering, 2008

Exploiting social relations for query expansion and result ranking.
Proceedings of the 24th International Conference on Data Engineering Workshops, 2008

08421 Working Group: Classification, Representation and Modeling.
Proceedings of the Uncertainty Management in Information Systems, 12.10. - 17.10.2008, 2008

Smooth Interpolating Histograms with Error Guarantees.
Proceedings of the Sharing Data, 2008

2007
Algebraic query optimization for distributed top-k queries.
Inform. Forsch. Entwickl., 2007

Search for the Best but Expect the Worst - Distributed Top-k Queries over Decreasing Aggregated Scores.
Proceedings of the Tenth International Workshop on the Web and Databases, 2007

FluxCapacitor: Efficient Time-Travel Text Search.
Proceedings of the 33rd International Conference on Very Large Data Bases, 2007

A time machine for text search.
Proceedings of the SIGIR 2007: Proceedings of the 30th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, 2007

Optimizing Ranked Retrieval.
Proceedings of the Database and Expert Systems Applications, 18th International Conference, 2007

Indexing Set-Valued Attributes with a Multi-level Extendible Hashing Scheme.
Proceedings of the Database and Expert Systems Applications, 18th International Conference, 2007

2006
Analysis of Two Existing and One New Dynamic Programming Algorithm for the Generation of Optimal Bushy Join Trees without Cross Products.
Proceedings of the 32nd International Conference on Very Large Data Bases, 2006

A Reproducible Benchmark for P2P Retrieval.
Proceedings of the First International Workshop on Performance and Evaluation of Data Management Systems, 2006

On the Optimal Ordering of Maps, Selections, and Joins Under Factorization.
Proceedings of the Flexible and Efficient Information Handling, 2006

2005
Efficient generation and execution of DAG-structured query graphs.
PhD thesis, 2005

On the Optimal Ordering of Maps and Selections under Factorization.
Proceedings of the 21st International Conference on Data Engineering, 2005

Effiziente Generierung und Ausfuehrung von DAG-strukturierten Anfragegraphen.
Proceedings of the Ausgezeichnete Informatikdissertationen 2005, 2005

2004
A Combined Framework for Grouping and Order Optimization.
Proceedings of the (e)Proceedings of the Thirtieth International Conference on Very Large Data Bases, VLDB 2004, Toronto, Canada, August 31, 2004

An Efficient Framework for Order Optimization.
Proceedings of the 20th International Conference on Data Engineering, 2004

2003
Estimating the Output Cardinality of Partial Preaggregation with a Measure of Clusteredness.
Proceedings of 29th International Conference on Very Large Data Bases, 2003

A Robust Scheme for Multilevel Extendible Hashing.
Proceedings of the Computer and Information Sciences, 2003


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