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With the continuous increase of online services as well as energy costs, energy consumption becomes a significant cost factor for the evaluation of data center operations. A significant contributor to that is the performance of database…

数据库 · 计算机科学 2013-03-21 Raik Niemann , Nikolaos Korfiatis , Roberto Zicari , Richard Göbel

Database system is an indispensable part of software projects. It plays an important role in data organization and storage. Its performance and efficiency are directly related to the performance of software. Nowadays, we have many general…

数据库 · 计算机科学 2020-08-12 WanHong Huang

Almost climate neutral buildings are one of the core goals in terms of sustainability. Beside the support of the necessary design decisions for an integrated, interoperable, ecological and economical operation of building energy systems,…

系统与控制 · 电气工程与系统科学 2019-10-17 Armin Wolf

For the thermal control of electronic components in aerospace, automotive or server systems, the heat sink is often located far from the heat sources. Therefore, heat transport systems are necessary to cool the electronic components…

系统与控制 · 电气工程与系统科学 2020-01-17 Thomas Gellrich , Clara Sester , Max Okraschevski , Stefan Schwab , Hans-Joerg Bauer , Soeren Hohmann

Thermal preferences vary from person to person and may change over time. The main objective of this paper is to sequentially pose intelligent queries to occupants in order to optimally learn the indoor air temperature values which maximize…

机器学习 · 计算机科学 2019-04-02 Nimish Awalgaonkar , Ilias Bilionis , Xiaoqi Liu , Panagiota Karava , Athanasios Tzempelikos

Choosing and developing performant database solutions helps organizations optimize their operational practices and decision-making. Since graph data is becoming more common, it is crucial to develop and use them in big data with complex…

数据库 · 计算机科学 2024-02-01 Johan Sandell , Einar Asplund , Workneh Yilma Ayele , Martin Duneld

Utilizing solar energy to meet space heating and domestic hot water demand is very efficient (in terms of environmental footprint as well as cost), but in order to ensure that user demand is entirely covered throughout the year needs to be…

Residential and commercial buildings, equipped with systems such as heat pumps (HPs), hot water tanks, or stationary energy storage, have a large potential to offer their consumption flexibility as grid services. In this work, we leverage…

系统与控制 · 电气工程与系统科学 2024-08-28 Paul Scharnhorst , Baptiste Schubnel , Rafael E. Carrillo , Pierre-Jean Alet , Colin N. Jones

Fully electrifying the building sector requires not only the widespread adoption of photovoltaic (PV) self-consumption and heat pumps, but also the integration of cost-effective energy storage solutions. Hybridizing lithium-ion (Li-ion)…

物理与社会 · 物理学 2026-01-22 Alicia López-Ceballos , Alejandro Datas

Heat conduction process has recently found its application in personalized recommendation [T. Zhou \emph{et al.}, PNAS 107, 4511 (2010)], which is of high diversity but low accuracy. By decreasing the temperatures of small-degree objects,…

数据分析、统计与概率 · 物理学 2015-06-03 Jian-Guo Liu , Tao Zhou , Qiang Guo

Database systems use query processing subsystems for enabling efficient query-based data retrieval. An essential aspect of designing any query-intensive application is tuning the query system to fit the application's requirements and…

数据库 · 计算机科学 2020-09-22 Dimitrios Vasilas , Marc Shapiro , Bradley King , Sara Hamouda

Databases are considered to be integral part of modern information systems. Almost every web or mobile application uses some kind of database. Database management systems are considered to be a crucial element from both business and…

数据库 · 计算机科学 2023-01-04 Aleem Akhtar

Exploratory data analysis tools must respond quickly to a user's questions, so that the answer to one question (e.g. a visualized histogram or fit) can influence the next. In some SQL-based query systems used in industry, even very large…

分布式、并行与集群计算 · 计算机科学 2017-11-09 Jim Pivarski , David Lange , Thanat Jatuphattharachat

The application of the energy-efficient thermal and energy management mechanism in Geothermal Heat Pumps (GHPs) is indispensable to reduce the overall energy consumption and carbon emission across the building sector. Besides, in the…

系统与控制 · 电气工程与系统科学 2021-07-01 Lei Liang , Xuan Zhang , Hongbin Sun

Factorised databases are relational databases that use compact factorised representations at the physical layer to reduce data redundancy and boost query performance. This paper introduces FDB, an in-memory query engine for…

数据库 · 计算机科学 2012-03-14 Nurzhan Bakibayev , Dan Olteanu , Jakub Závodný

In high-granularity calorimetry, as proposed for detectors at future Higgs factories, the requirements on electronics can have a strong impact on the design of the detector, especially via the cooling and acquisition systems. This project…

高能物理 - 实验 · 物理学 2024-03-12 Khalid Hassouna , Vincent Boudry

The rising availability of large volume data, along with increasing computing power, has enabled a wide application of statistical Machine Learning (ML) algorithms in the domains of Cyber-Physical Systems (CPS), Internet of Things (IoT) and…

信号处理 · 电气工程与系统科学 2020-11-30 Yongchao Huang , Hugh Miles , Pengfei Zhang

The successful integration of high-temperature superconductors (HTS) into modern technologies requires consistent, accessible, and comprehensive material data, a need that is currently unmet due to the fragmented and incomplete nature of…

超导电性 · 物理学 2025-06-03 Pablo Cayado , João Rosas , João Murta-Pina , Harold S. Ruiz

This paper discusses a method for implementing a probabilistic inference system based on an extended relational data model. This model provides a unified approach for a variety of applications such as dynamic programming, solving sparse…

人工智能 · 计算机科学 2013-02-21 Michael S. K. M. Wong , C. J. Butz , Yang Xiang

District heating is an important component in the EU strategy to reach the set emission goals, since it allows an efficient supply of heat while using the advantages of sector coupling between different energy carriers such as power, heat,…

最优化与控制 · 数学 2024-09-24 Daniela Guericke , Amos Schledorn , Henrik Madsen