Industrial SponsorsFOREWARD Objective (2009)
Qiong Luo, Kenneth A. Ross, Peter Boncz, Shimin Chen, Goetz Graefe, Stavros Harizopoulos, ...
The aim of this one-day workshop is to bring together researchers who are interested in optimizing database performance on modern computing infrastructure by designing new data management techniques...
Integrating XQuery and P2P in MonetDB/XQuery* (2009)
Abstract. MonetDB/XQuery * is a fully functional publicly available XML DBMS that has been extended with distributed and P2P data management functionality. Our (minimal) XQuery language extension...
ABSTRACT Updating the Pre/Post Plane in MonetDB/XQuery (2009)
We outline an efficient ACID-compliant mechanism for structural inserts and deletes in relational XML document storage that uses a region based pre/size/level encoding (equivalent to the pre/post...
MonetDB/X100 at the 2006 TREC TeraByte Track (2008)
Sándor Héman, Marcin Zukowski, Arjen De Vries, Peter Boncz
Requirements of database management (DB) and information retrieval (IR) systems overlap more and more. Database systems are being applied to scenarios where features such as text search and...
1 Introduction Pathfinder: XQuery—The Relational Way (2008)
Peter Boncz, Torsten Grust, Maurice Keulen, Stefan Manegold, Jan Rittinger, Jens Teubner
Breaking the Memory Wall in MonetDB (2008)
In the past decades, advances in speed of commodity CPUs have far outpaced advances in RAM latency. Main-memory access has therefore become a performance bottleneck for many computer applications; a...
MonetDB/X100 at the 2006 TREC TeraByte Track (2008)
Sándor Héman, Marcin Zukowski, Arjen De Vries, Peter Boncz
Requirements of database management (DB) and information retrieval (IR) systems overlap more and more. Database systems are being applied to scenarios where features such as text search and...
Pathfinder/MonetDB: XQuery—The Relational Way (2008)
Peter Boncz, Torsten Grust, Maurice Keulen, Stefan Manegold, Jan Rittinger, Jens Teubner
MonetDB/XQuery—Consistent and Efficient Updates on the Pre/Post Plane (2008)
Peter Boncz, Jan Flokstra, Maurice Van Keulen, Stefan Manegold, Sjoerd Mullender, Jan Rittinger, ...
ABSTRACT Architecture-Conscious Hashing (2008)
Marcin Zukowski, Sándor Héman, Peter Boncz
Hashing is one of the fundamental techniques used to implement query processing operators such as grouping, aggregation and join. This paper studies the interaction between modern computer...
en Informatica REPORTRAPPORT Information Systems INformation Systems (2007)
S. Manegold, P. A. Boncz, M. L. Kersten, Stefan Manegold, Peter Boncz, Martin L. Kersten
Generic database cost models for hierarchical memory systems
Efficient and flexible information retrieval using MonetDB/X100 (2007)
Sándor Héman, Marcin Zukowski, Arjen De Vries, Peter Boncz
Today’s large-scale IR systems are not implemented using general-purpose database systems, as the latter tend to be significantly less efficient than custom-built IR engines. This paper...
Cooperative Scans: Dynamic Bandwidth Sharing in a DBMS (2007)
Marcin Zukowski, Sándor Héman, Niels Nes, Peter Boncz
This paper analyzes the performance of concurrent (index) scan operations in both record (NSM/PAX) and column (DSM) disk storage models and shows that existing scheduling policies do not fully...
Vectorized Data Processing on the Cell Broadband Engine (2007)
Sándor Héman, Niels Nes, Marcin Zukowski, Peter Boncz
Engine for database processing. We start by outlining the main architectural features of Cell and use microbenchmarks to characterize the latency and throughput of its memory infrastructure. Then, we...
MonetDB/XQuery: a fast XQuery processor powered by a relational engine (2006)
Peter Boncz, Torsten Grust, Maurice Keulen, Stefan Manegold, Jan Rittinger, Jens Teubner
Relational XQuery systems try to re-use mature relational data management infrastructures to create fast and scalable XML database technology. This paper describes the main features, key...
MonetDB/XQuery: a fast XQuery processor powered by a relational engine (2006)
Peter Boncz, Torsten Grust, Maurice Keulen, Stefan Manegold, Jan Rittinger, Jens Teubner
Relational XQuery systems try to re-use mature relational data management infrastructures to create fast and scalable XML database technology. This paper describes the main features, key...
Super-Scalar RAM-CPU Cache Compression (2006)
M. Zukowski, S. Héman, N. Nes, P. A. Boncz, Marcin Zukowski, Sándor Héman, ...
CWI is a founding member of ERCIM, the European Research Consortium for Informatics and Mathematics. CWI's research has a theme-oriented structure and is grouped into four clusters. Listed below...
MonetDB/XQuery: A Fast XQuery Processor Powered by a Relational Engine (2006)
Peter Boncz, Torsten Grust, Maurice Keulen, Stefan Manegold, Jan Rittinger, Jens Teubner
Relational XQuery systems try to re-use mature relational data management infrastructures to create fast and scalable XML database technology. This paper describes the main features, key...
Pathfinder: XQuery—The Relational Way (2005)
Peter Boncz, Torsten Grust, Maurice Keulen, Stefan Manegold, Jan Rittinger, Jens Teubner
Relational query processors are probably the best understood (as well as the best engineered) query engines available today. Although carefully tuned to process instances of the relational model...
Updating the Pre/Post Plane in MonetDB/XQuery (2005)
Peter Boncz, Stefan Manegold, Jan Rittinger
We outline an efficient ACID-compliant mechanism for structural inserts and deletes in relational XML document storage that uses a region based pre/size/level encoding (equivalent to the pre/post...
Cache-Conscious Radix-Decluster Projections (2004)
Stefan Manegold, Peter Boncz, Niels Nes, Martin Kersten
As CPUs become more powerful with Moore’s law and memory latencies stay constant, the impact of the memory access performance bottleneck continues to grow on relational operators like join, which...
AmbientDB: relational query processing in a P2P network (2003)
Abstract. A new generation of applications running on a network of nodes, that share data on an ad-hoc basis, will benefit from data management services including powerful querying facilities. In...
Optimizing main-memory join on modern hardware (2002)
Stefan Manegold, Peter Boncz, Martin Kersten, Ieee Computer Society
AbstractÐIn the past decade, the exponential growth in commodity CPU's speed has far outpaced advances in memory latency. A second trend is that CPU performance advances are not only brought by...
Generic Database Cost Models for Hierarchical Memory Systems (2002)
Stefan Manegold, Peter Boncz, Martin L. Kersten
Accurate prediction of operator execution time is a prerequisite for database query optimization. Although extensively studied for conventional disk-based DBMSs, cost modeling in mainmemory DBMSs is...
Optimizing main-memory join on modern hardware (2002)
S. Manegold, P. Boncz, M. L. Kersten, Stefan Manegold, Peter Boncz, Martin Kersten
and their applications. SMC is sponsored by the Netherlands Organization for Scientific Research (NWO). CWI is a member of
Optimizing main-memory join on modern hardware (2002)
S. Manegold, P. Boncz, M. L. Kersten, Stefan Manegold, Peter Boncz, Martin Kersten
and their applications. SMC is sponsored by the Netherlands Organization for Scientific Research (NWO). CWI is a member of
ABSTRACT Optimizing Main-Memory Join On Modern Hardware (1999)
Stefan Manegold, Peter Boncz, Martin Kersten
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Database architecture optimized for the new bottleneck: Memory access (1999)
Peter Boncz, Stefan Manegold, Martin L. Kersten
In the past decade, advances in speed of commodity CPUs have far out-paced advances in memory latency. Main-memory access is therefore increasingly a performance bottleneck for many computer...
Database Architecture Optimized for the new Bottleneck: Memory Access (1999)
Peter Boncz, Stefan Manegold, Martin L. Kersten
In the past decade, advances in speed of commodity CPUs have far out-paced advances in memory latency. Main-memory access is therefore increasingly a performance bottleneck for many computer...
Database architecture optimized for the new bottleneck: Memory access (1999)
Peter Boncz, Stefan Manegold, Martin L. Kersten
In the past decade, advances in speed of commodity CPUs have far out-paced advances in memory latency. Main-memory access is therefore increasingly a performance bottleneck for many computer...
Flattening an Object Algebra to Provide Performance (1998)
Peter Boncz, Annita N. Wilschut, Martin L. Kersten
Algebraic transformation and optimization techniques have been the method of choice in relational query execution, but applying them in OODBMS has been difficult due to the complexity of...
Parallelizing the Crossword Generation Game in Orca (1994)
The Crossword Generation Game (kece) is a problem from the Cowichan Set [Wil94], a programming benchmark designed to compare the usability of parallel systems. This paper describes the implementation...