Abstract Using Design Axioms and To ology to Model (2008)
The freedom to combine information stored in a database using the operators provided by its datamodel introduces many caveats, such as with view-updates and integrity preservation, for the database...
Toshihide Ibaraki, Tiko Kameda, Ravi Krishnamurthy, Haran Boral, Carlo Zaniolo, Arjan Pellenkoft, ...
Optimizing large join queries using a graph-based approach.
Scalable Storage for a DBMS using Transparent Distribution (2007)
J. S. Karlsson, M. L. Kersten, Jonas S. Karlsson, Martin L. Kersten
and their applications. SMC is sponsored by the Netherlands Organization for Scientific Research (NWO). CWI is a member of
A Performance Assessment Support System for Advanced Software Systems (2007)
Fred Kwakkel, Martin L. Kersten
Performance measurement involves running a set of representative workloads, such as benchmarks, and quality assurance, which involves extensive testing. Most present-day benchmarks provide the user...
Uniformly-Distributed Random Generation of Join Orders (2007)
César Galindo-Legaria, Arjan Pellenkoft, Martin L. Kersten
. In this paper we study the space of operator trees that can be used to answer a join query, with the goal of generating elements form this space at random. We solve the problem for queries with...
CIRQUID: Complex Information Retrieval QUeries In a Database (2007)
Djoerd Hiemstra, Henk Ernst Blok, Maurice Van Keulen, Willem Jonker, Martin L. Kersten
The CIRQUID project plans to design and build a DBMS that seemlessly integrates relevance-oriented querying of semi-structured data (XML) with traditional querying of this data. The project is funded...
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
E#cient Image Retrieval by Exploiting Vertical Fragmentation (2007)
N. Mamoulis, N. J. Nes, M. L. Kersten, Nikos Mamoulis, ...
Efficient image retrieval by exploiting vertical fragmentation
S. Manegold, F. Waas, M. L. Kersten, Stefan Manegold, Florian Waas, Martin L. Kersten
and their applications. SMC is sponsored by the Netherlands Organization for Scientific Research (NWO). CWI is a member of
Uniformly-Distributed Random Generation of Join Orders (2007)
J. Pellenkoft, M. L. Kersten, Arjan Pellenkoft, Martin L. Kersten
In this paper we study the space of operator trees that can be used to answer a join query, with the goal of generating elements form this space at random. We solve the problem for queries with...
Centrum voor Wiskunde en Informatica An organic database system (2007)
M. L. Kersten, Mathematisch Centrum (smc, The Dutch Foundation, Martin L. Kersten
and their applications. SMC is sponsored by the Netherlands Organization for Scientific Research (NWO). CWI is a member of
IO-Top-k: Index-Access Optimized Top-k Query Processing (2006)
Bast, Holger, Majumdar, Debapriyo, Schenkel, Ralf, Theobald, Martin, Weikum, Gerhard, Dayal, Umeshwar, ...
Top-$k$ query processing is an important building block for ranked retrieval, with applications ranging from text and data integration to distributed aggregation of network logs and sensor data....
IO-Top-k: Index-access Optimized Top-k Query Processing (2006)
Bast, Holger, Majumdar, Debapriyo, Schenkel, Ralf, Theobald, Martin, Weikum, Gerhard, Dayal, Umeshwar, ...
Top-$k$ query processing is an important building block for ranked retrieval, with applications ranging from text and data integration to distributed aggregation of network logs and sensor data....
Foundations of Automated Database Tuning (Tutorial) (2006)
Chaudhuri, Surajit, Weikum, Gerhard, Dayal, Umeshwar, Whang, Kyu-Young, Lomet, David B., Alonso, Gustavo, ...
EOS²: Unstoppable Stateful PHP (demo) (2006)
Shegalov, German, Weikum, Gerhard, Dayal, Umeshwar, Whang, Kyu-Young, Lomet, David B., Alonso, Gustavo, ...
This paper presents the architecture and implementation of the EOS2 failure-masking framework for composite Web Services. EOS2 is based on the recently proposed notion of interaction contracts (IC),...
Efficient and Decentralized PageRank Approximation in a Peer-to-Peer Web Search Network (2006)
Parreira, Josiane Xavier, Donato, Debora, Michel, Sebastian, Weikum, Gerhard, Dayal, Umeshwar, Whang, Kyu-Young, ...
PageRank-style (PR) link analyses are a cornerstone of Web search engines and Web mining, but they are computationally expensive. Recently, various techniques have been proposed for speeding up these...
Moerkotte, Guido, Neumann, Thomas, Dayal, Umeshwar, Whang, Kyu-Young, Lomet, David B., Alonso, Gustavo, ...
Two approaches to derive dynamic programming algorithms for constructing join trees are described in the literature. We show analytically and experimentally that these two variants exhibit vastly...
Super-scalar database compression between ram and cpu-cache (2005)
Prof Dr, Martin L. Kersten, A. Boncz, Sándor Héman, Sándor Héman
Information Access, a subdivision of the research cluster Information Systems. This thesis is ready to be marked. Date: Author’s signature: This thesis is ready to be verified by the second reader....
An Efficient and Versatile Query Engine for TopX Search (2005)
Theobald, Martin, Schenkel, Ralf, Weikum, Gerhard, Böhm, Klemens, Jensen, Christian S., Haas, Laura M., ...
KLEE: A Framework for Distributed Top-k Query Algorithms (2005)
Michel, Sebastian, Triantafillou, Peter, Weikum, Gerhard, Böhm, Klemens, Jensen, Christian S., Haas, Laura M., ...
This paper addresses the efficient processing of top-k queries in wide-area distributed data repositories where the index lists for the attribute values (or text terms) of a query are distributed...
The SphereSearch Engine for Unified Ranked Retrieval of Heterogeneous XML and Web Documents (2005)
Graupmann, Jens, Schenkel, Ralf, Weikum, Gerhard, Böhm, Klemens, Jensen, Christian S., Haas, Laura M., ...
MINERVA: Collaborative P2P Search (Demo) (2005)
Bender, Matthias, Michel, Sebastian, Triantafillou, Peter, Weikum, Gerhard, Zimmer, Christian, Böhm, Klemens, ...
This paper proposes the live demonstration of a prototype of MINERVA, a novel P2P Web search engine. The search engine is layered on top of a DHT-based overlay network that connects an a-priori...
The Lowell Database Research Self-Assessment (2005)
Abiteboul, Serge, Agrawal, Rakesh, Bernstein, Philip A., Carey, Michael J., Ceri, Stefano, Croft, W. Bruce, ...
Database needs are changing, driven by the Internet and increasing amounts of scientific and sensor data. In this article, the authors propose research into several important new directions for...
A Database Striptease or How to Manage Your Personal Databases (2003)
Kersten,Martin L., Weikum,Gerhard, Franklin,Michael J., Keim,Daniel A., Buchmann,Alejandro P., Chaudhuri,Surajit
A Database Striptease or How to Manage Your Personal Databases (2003)
Kersten, Martin L., Weikum, Gerhard, Franklin, Michael J., Keim, Daniel A., Buchmann, Alejandro P., Chaudhuri, Surajit, ...
CIRQUID: Complex Information Retrieval Queries in a Database (2003)
Hiemstra, Djoerd, Vries De, Arjen P., Blok, Henk Ernst, Keulen Van, Maurice, Jonker, Willem, Kersten, Martin L.
The CIRQUID project plans to design and build a DBMS that seemlessly integrates relevance-oriented querying of semi-structured data (XML) with traditional querying of this data. The project is funded...
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...
Efficient Image Retrieval by Exploiting Vertical Fragmentation (2001)
Nikos Mamoulis, Niels J. Nes, Martin L. Kersten
Information Systems Efficient image retrieval by exploiting vertical fragmentation A.P. de Vries, N. Mamoulis, N.J. Nes, M.L. Kersten
Memory aware query scheduling in a database cluster (2000)
F. Waas, M. L. Kersten, Florian Waas, Martin L. Kersten
and their applications. SMC is sponsored by the Netherlands Organization for Scientific Research (NWO). CWI is a member of
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...
J. S. Karlsson, M. L. Kersten, Jonas S. Karlsson, Martin L. Kersten
Centrum voor Wiskunde en Informatica Omega-storage: a self organizing multi-attribute storage technique for very large main memories
MIL Primitives For Querying A Fragmented World (1999)
Peter Boncz Martin, Martin L. Kersten
. In query-intensive database application areas, like decision support and data mining, systems that use vertical fragmentation have a significant performance advantage. In order to support...
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...
MIL Primitives For Querying A Fragmented World (1999)
Peter A. Boncz, Martin L. Kersten
. In query-intensive database application areas, like decision support and data mining, systems that use vertical fragmentation have a significant performance advantage. In order to support...
Siebes. An Organic Database System (1999)
Martin L. Kersten, Martin L. Kersten
and their applications. SMC is sponsored by the Netherlands Organization for Scientific Research (NWO). CWI is a member of
Ω-storage: A Self Organizing Multi-Attribute Storage Technique for Very Large Main Memories (1999)
J. S. Karlsson, M. L. Kersten, Jonas S. Karlsson, Martin L. Kersten
and their applications. SMC is sponsored by the Netherlands Organization for Scientific Research (NWO). CWI is a member of
MIL Primitives for Querying a Fragmented World (1999)
Peter A. Boncz, Martin L. Kersten
Abstract. In query-intensive database application areas, like decision support and data mining, systems that use vertical fragmentation have a significant performance advantage. In order to support...
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...
ABSTRACT On Optimal Pipeline Processing in Parallel Query Execution (1998)
S. Manegold, F. Waas, M. L. Kersten, Copyright Stichting, Mathematisch Centrum, Stefan Manegold, ...
and their applications. SMC is sponsored by the Netherlands Organization for Scientific Research (NWO). CWI is a member of
Monet And Its Geographic Extensions: a Novel Approach to High Performance GIS Processing (1996)
Peter A. Boncz, Wilko Quak, Martin L. Kersten
We describe Monet, a novel database system, designed to get maximum performance out of today's workstations and symmetric multiprocessors. Monet is a type- and algebra-extensible database system...
Monet And Its Geographic Extensions: a Novel Approach to High Performance GIS Processing (1996)
Peter A. Boncz, Wilko Quak, Martin L. Kersten
We describe Monet, a novel database system, designed to get maximum performance out of today's workstations and symmetric multiprocessors. Monet is a type- and algebra-extensible database system...
On the symbiosis of a data mining environment and a dbms (1995)
M. L. Kersten, M. Holsheimer, Martin L. Kersten, Marcel Holsheimer
and their applications. SMC is sponsored by the Netherlands Organization for Scientific Research (NWO). CWI is a member of
Monet. An Impressionist Sketch of an Advanced Database System (1994)
Peter A. Boncz, Martin L. Kersten
Monet is a customizable database system developed at CWI and University of Amsterdam, intended to be used as the database backend for widely varying application domains. It is designed to get maximum...
Implementing PRISMA/DB in an OOPL (1993)
Annita N. Wilschut, Martin L. Kersten
PRISMA/DB is implemented in a parallel object-oriented language to gain insight in the usage of parallelism. This environment allows us to experiment with parallelism by simply changing the...
PRISMA/DB: a parallel, main memory relational DBMS (1992)
Apers, Peter M.G., Berg Van Den, Carel A., Flokstra, Jan, Kersten, Martin L., Wilschut, Annita N.
PRISMA/DB, a full-fledged parallel, main memory relational database management system (DBMS) is described. PRISMA/DB's high performance is obtained by the use of parallelism for query processing and...
PRISMA/DB: A Parallel Main Memory Relational DBMS (1992)
Jan Flokstra, Martin L. Kersten, Annita N. Wilschut
Abstract-PRISWDB is a full-fledged parallel, main memory relational database management system the design of which is characterized by two main ideas. In the first place, high performance is obtained...
PRISMA/DB: A Parallel, Main-Memory Relational DBMS (1992)
Jan Flokstra, Martin L. Kersten, Annita N. Wilschut
PRISMA/DB is a full-fledged parallel, main-memory relational database management system the design of which is characterized by two main ideas. In the first place, high performance is obtained by the...
PRISMA/DB: A Parallel Main Memory Relational DBMS (1992)
Jan Flokstra, Martin L. Kersten, Annita N. Wilschut
Abstract-PRISMA/DB is a full-fledged parallel, main memory relational database management system the design of which is characterized by two main ideas. In the first place, high performance is...
A Logic Query Language and its Algebraic Optimization for a Multiprocessor Database Machine (1988)
Jan Flokstra, Martin L. Kersten
A logic query language, called PRISMAlog, is introduced. The language is one of the interfaces of a multiprocessor, main-memory database machine, called PRISMA. It is a language with a purely...
Im Gedenken und Liebe/ In memory and love (1913)
Doktors Der Naturwissenschaften, Michael Eckert, Prof Dr, François Bry, Prof Dr, Martin L. Kersten, ...
The emergence of event-driven architectures, automation of business processes, drastic costreductions in sensor technology, and a growing need to monitor IT systems (as well as other systems) due to...