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Ambitious targets for the use of renewable electricity (RES-E) have been formulated by the EU Commission and the EU Member States. Taking into account technical, economic, and ecological framework conditions of the electricity market in a model-based approach, this book provides a comprehensive, quantitative assessment of the future penetration of renewable electricity in the European electricity market.

enewable energy, RES, electricity market, energy system model, optimisation

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If numeric data from the Web are brought together, natural scientists can compare climate measurements with estimations, financial analysts can evaluate companies based on balance sheets and daily stock market values, and citizens can explore the GDP per capita from several data sources. However, heterogeneities and size of data remain a problem. This work presents methods to query a uniform view - the Global Cube - of available datasets from the Web and builds on Linked Data query approaches.

Web, Optimierung analytischer Datenbankabfragen, Datenintegration, Linked Data, Datenwürfel, analytical query optimisation, data integration, Data Cube

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Is it possible to change the language in a group? And if so, how? In politics and business, conclusive answers to these questions are of great interest. Karolina Suchowolec finds them by analysing the current state of research on language planning, planned languages, controlled languages and terminology work, examining the findings for their possible generalisation and deriving from this language guidance as an overarching linguistic object of research. She has empirically investigated its practical implementation. As a result, she formulates an overview of the challenges of language control as well as the solution approaches postulated in the relevant literature - a solid basis for further theoretical research and support for practical language control. Karolina Suchowolec, *1984, studied Applied Linguistics and German as a Foreign Language in Dresden and earned her doctorate in Linguistics in Hildesheim. As a research assistant at the Institute for German Language in Mannheim, she is involved in terminological and applied linguistic projects. Her research interests include specialist communication, terminology management, controlled languages and knowledge modelling.

communication --- communication optimisation --- LPLP --- planned languages --- language control --- language guidance --- language planning --- terminology --- terminology work --- terminology teaching --- terminology studies

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This book is a collection of contributions to the Special Issue “Historical Acoustics: Relationships between People and Sound over Time”. The research presented here aims to explore the origins of acoustics and examine the relationships that have evolved over the centuries between people and auditory phenomena. Sounds have indeed accompanied human civilizations since the beginning of time, helping them to make sense of the world and to shape their cultures. Several key topics emerged, such as the acoustics of historical worship buildings, the acoustics of sites of archaeological interest, the acoustics of historical opera houses, and the topic of soundscapes as cultural intangible heritage. The book, as a whole, reflects the vibrant research activity around the “acoustics of the past”, which will hopefully be serve as a foundation for inspiring the future path of this discipline.

acoustics --- history --- Julius Caesar --- digital humanities --- archaeoacoustics --- acoustic simulation --- historical speeches --- general’s harangue --- military history --- worship acoustics --- Spanish cathedrals --- choir space --- archaeoacoustics --- soundscapes --- open-air performance space --- political theater --- Ancestral Puebloan --- Chaco Canyon --- opera house --- cultural heritage --- shape optimisation --- room acoustics --- ancient Greek theatre --- Classical Era --- scenery --- acoustic design --- archaeoacoustics --- church acoustics --- Lazarica church --- architectural heritage --- acoustic heritage --- medieval building --- reverberation time --- speech intelligibility --- acoustic simulation --- Hagia Sophia --- Süleymaniye Mosque --- room acoustics --- historical structures --- restoration --- historic soundscapes --- Berlin Wall --- archives --- soundscape survey --- memorial --- architectural conservation --- sound mapping --- sound --- archaeology --- archaeoacoustics --- acoustics --- reverberation --- clarity --- Stonehenge --- cave --- theatre --- EDT --- music --- opera house --- cultural heritage --- room acoustics --- shape optimisation --- archeoacoustics --- heritage acoustics --- cathedral acoustics --- room acoustics --- York Minster --- acoustic simulation --- n/a

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The term “first-principles calculations” is a synonym for the numerical determination of the electronic structure of atoms, molecules, clusters, or materials from ‘first principles’, i.e., without any approximations to the underlying quantum-mechanical equations. Although numerous approximate approaches have been developed for small molecular systems since the late 1920s, it was not until the advent of the density functional theory (DFT) in the 1960s that accurate “first-principles” calculations could be conducted for crystalline materials. The rapid development of this method over the past two decades allowed it to evolve from an explanatory to a truly predictive tool. Yet, challenges remain: complex chemical compositions, variable external conditions (such as pressure), defects, or properties that rely on collective excitations—all represent computational and/or methodological bottlenecks. This Special Issue comprises a collection of papers that use DFT to tackle some of these challenges and thus highlight what can (and cannot yet) be achieved using first-principles calculations of crystals.

point defects --- formation energy --- indium arsenide --- first-principles --- charged defects --- Ir-based intermetallics --- refractory metals --- elastic properties --- ab initio calculations --- density functional theory --- van der Waals corrections --- semihard materials --- molecular crystals --- electronic properties --- optical properties --- thermoelectricity --- semiconductors --- electrical engineering --- silver --- chlorine --- learning algorithms --- crystal structure --- magnetic properties --- structure prediction --- magnetic materials --- genetic algorithm --- global optimisation --- ab initio --- DFT --- structural fingerprint --- magnetic Lennard–Jones --- Heusler alloy --- half-Heusler alloy --- high-pressure --- crystal structure prediction --- electronic structure --- battery materials --- superconductivity --- n/a