From a comprehensive experimental survey to a cost-based selection strategy for lightweight integer compression algorithms

P Damme, A Ungethüm, J Hildebrandt… - ACM Transactions on …, 2019 - dl.acm.org
Lightweight integer compression algorithms are frequently applied in in-memory database
systems to tackle the growing gap between processor speed and main memory bandwidth …

Morphstore: Analytical query engine with a holistic compression-enabled processing model

P Damme, A Ungethüm, J Pietrzyk, A Krause… - arxiv preprint arxiv …, 2020 - arxiv.org
In this paper, we present MorphStore, an open-source in-memory columnar analytical query
engine with a novel holistic compression-enabled processing model. Basically, compression …

Morphstore-in-memory query processing based on morphing compressed intermediates LIVE

D Habich, P Damme, A Ungethüm, J Pietrzyk… - Proceedings of the …, 2019 - dl.acm.org
In this demo, we present MorphStore, an in-memory column store with a novel compression-
aware query processing concept. Basically, compression using lightweight integer …

ROVEC: Runtime Optimization of Vectorized Expression Evaluation for Column Store

M Li, Z Miao, D Wu, F Li, S Wang, W Cao… - … on Knowledge and …, 2021 - ieeexplore.ieee.org
Due to the increasing demand for scalable and interactive data analytics, column stores
have become the de-facto choice in many analytical databases. As a common and …

[PDF][PDF] Towards A General SIMD Concurrent Approach to Accelerating Integer Compression Algorithms.

J Hildebrandt, D Habich, W Lehner - EDBT, 2022 - openproceedings.org
Integer compression algorithms play an important role in columnoriented data systems.
Previous research has shown that the vectorized implementation of these algorithms based …

LCTL: Lightweight Compression Template Library

J Hildebrandt, A Berthold, D Habich… - … Conference on Big …, 2021 - ieeexplore.ieee.org
For fast and efficient data processing, a common approach in many application domains is
to mainly store and process data in form of arrays of integers offering several benefits. For …

[PDF][PDF] Integrating Lightweight Compression Capabilities into Apache Arrow.

J Hildebrandt, D Habich, W Lehner - DATA, 2020 - scitepress.org
With the ongoing shift to a data-driven world in almost all application domains, the
management and in particular the analytics of large amounts of data gain in importance. For …

Model-based Integer Compression Schemes for In-Memory Query Processing

J Hildebrandt - 2024 - tud.qucosa.de
Abstract (DE) Spaltenorientierte InMemory Datenbanksysteme müssen sowohl Basisdaten
als auch generierte Zwischenergebnisse während der Anfrageverarbeitung im …

MorphStore—In-Memory Query Processing based on Morphing Compressed Intermediates LIVE

IP Damme, IA Ungethüm, J Pietrzyk, IA Krause… - 2019 - tud.qucosa.de
Abstract (EN) In this demo, we present MorphStore, an in-memory column store with a novel
compression-aware query processing concept. Basically, compression using lightweight …

[PDF][PDF] Dieses Dokument ist eine Zweitveröffentlichung (Postprint)/This is a self-archiving document (accepted version)

P Damme, A Ungethüm, J Hildebrandt, D Habich… - 2019 - core.ac.uk
Data management is a core service for every business or scientific application. The data life
cycle consists of different phases starting from understanding external data sources and …