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Related publications (35)
Aggregation and Exploration of High-Dimensional Data Using the Sudokube Data Cube Engine
Christoph Koch, Peter Lindner, Zhekai Jiang, Sachin Basil John
We present Sudokube, a novel system that supports interactive speed querying on high-dimensional data using partially materialized data cubes. Given a storage budget, it judiciously chooses what projections to precompute and materialize during cube constru ...
Association for Computing Machinery2023Quantum Measurement of Mechanical Motion close to the Standard Quantum Limit
In quantum mechanics, the Heisenberg uncertainty principle places a fundamental limit in the measurement precision for certain pairs of physical quantities, such as position and momentum, time and energy or amplitude and phase. Due to the Heisenberg uncert ...
EPFL2020A system design for elastically scaling transaction processing engines in virtualized servers
Anastasia Ailamaki, Angelos Christos Anadiotis, Raja Appuswamy, Hillel Avni
Online Transaction Processing (OLTP) deployments are migrating from on-premise to cloud settings in order to exploit the elasticity of cloud infrastructure which allows them to adapt to workload variations. However, cloud adaptation comes at the cost of re ...
ASSOC COMPUTING MACHINERY2020A hybrid framework for industrial data storage and exploitation
In this paper a hybrid framework is illustrated, with a software and hardware integration strategy, for an industrial platform that exploits features from a Relational Database (RDB) and Triplestore using the blackboard architectural pattern, ensuring effi ...
Elsevier2019Mies Comes to Greece: A. James Speyer at NTUA
Between 1957 and 1960, A. James Speyer served as a Fulbright visiting professor at the National Technical University of Athens (NTUA) in the Faculty of Architecture. The Fulbright program was established to foster mutual understanding across the world, and ...
2019Getting Started with PATSTAT Register
This article provides a technical introduction to the PATSTAT Register database, which contains bibliographical, procedural and legal status data on patent applications handled by the European Patent Office. It presents eight MySQL queries that cover some ...
Wiley2017Building Efficient Query Engines using High-Level Languages
We are currently witnessing a shift towards the use of high-level programming languages for systems development. These approaches collide with the traditional wisdom which calls for using low-level languages for building efficient software systems. This sh ...
EPFL2017Multi-Objective Parametric Query Optimization
Christoph Koch, Immanuel Trummer
We propose a generalization of the classical database query optimization problem: multi-objective parametric query optimization (MPQ). MPQ compares alternative processing plans according to multiple execution cost metrics. It also models missing pieces of ...
Association for Computing Machinery2016Parallelizing Query Optimization on Shared-Nothing Architectures
Christoph Koch, Immanuel Trummer
Data processing systems offer an ever increasing degree of parallelism on the levels of cores, CPUs, and processing nodes. Query optimization must exploit high degrees of parallelism in order not to gradually become the bottleneck of query evaluation. We s ...
Assoc Computing Machinery2016Techniques for Identifying Elusive Corner-Case Bugs in Systems Software
Modern software is plagued by elusive corner-case bugs (e.g., security bugs). Because there are no scalable, automated ways of finding them, such bugs can remain hidden until software is deployed in production. This thesis proposes approaches to solve this ...
EPFL2015