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The Career of an Eighteenth-century Kapellmeister
A unique look at the career of a little-known contemporary of Haydn and Mozart, presented against a fascinating background of court musical life in late eighteenth-century Germany.
Foundations of Information and Knowledge Systems
This book constitutes the refereed proceedings of the 4th International Symposium on Foundations of Information and Knowledge Systems, held in February 2006. The 14 revised full papers presented together with three revised short papers and one invited paper were carefully reviewed and selected from 54 submissions. Among the topics covered are the theoretical foundations of information and knowledge systems, as well as mathematical fields such as discrete mathematics, combinatorics, logics and finite model theory, and applications thereof for research on database and knowledge base theory.
Foundations of Information and Knowledge Systems
This volume constitutes the thoroughly refereed post-conference proceedings of the Sixth International Symposium on Foundations of Information and Knowledge Systems (FoIKS 2010) which was held in Sofia, Bulgaria, in February 2010. The 19 revised full papers presented together with three invited talks were carefully reviewed and selected from 50 papers.
Information Modelling and Knowledge Bases XX
Focuses on theoretical disciplines including cognitive science, artificial intelligence, logic, linguistics and analytical philosophy.
Advances in Conceptual Modeling
This book constitutes the refereed proceedings of seven workshops and a symposium, held at the 35th International Conference on Conceptual Modeling, ER 2016, in Gifu, Japan. The 19 revised full and 3 keynote papers were carefully reviewed and selected out of 52 submissions to the following events: Conceptual Modeling for Ambient Assistance and Healthy Ageing, AHA 2016; Modeling and Management of Big Data, MoBiD 2016; Modeling and Reasoning for Business Intelligence, MORE-BI 2016; Conceptual Modeling in Requirements and Business Analysis, MREBA 2016; Quality of Models and Models of Quality, QMMQ 2016; and the Symposium on Conceptual Modeling Education, SCME 2016; and Models and Modeling on Security and Privacy, WM2SP 2016.
Incomplete Data and Data Dependencies in Relational Databases
The chase has long been used as a central tool to analyze dependencies and their effect on queries. It has been applied to different relevant problems in database theory such as query optimization, query containment and equivalence, dependency implication, and database schema design. Recent years have seen a renewed interest in the chase as an important tool in several database applications, such as data exchange and integration, query answering in incomplete data, and many others. It is well known that the chase algorithm might be non-terminating and thus, in order for it to find practical applicability, it is crucial to identify cases where its termination is guaranteed. Another important ...
Data Profiling
Data profiling refers to the activity of collecting data about data, {i.e.}, metadata. Most IT professionals and researchers who work with data have engaged in data profiling, at least informally, to understand and explore an unfamiliar dataset or to determine whether a new dataset is appropriate for a particular task at hand. Data profiling results are also important in a variety of other situations, including query optimization, data integration, and data cleaning. Simple metadata are statistics, such as the number of rows and columns, schema and datatype information, the number of distinct values, statistical value distributions, and the number of null or empty values in each column. More...
Database and Expert Systems Applications
This two volume set LNCS 8644 and LNCS 8645 constitutes the refereed proceedings of the 25th International Conference on Database and Expert Systems Applications, DEXA 2014, held in Munich, Germany, September 1-4, 2014. The 37 revised full papers presented together with 46 short papers, and 2 keynote talks, were carefully reviewed and selected from 159 submissions. The papers discuss a range of topics including: data quality; social web; XML keyword search; skyline queries; graph algorithms; information retrieval; XML; security; semantic web; classification and clustering; queries; social computing; similarity search; ranking; data mining; big data; approximations; privacy; data exchange; data integration; web semantics; repositories; partitioning; and business applications.
COVID-19
This paper from Dorine Boumans, Sebastian Link and Stefan Sauer (EconPol Europe, ifo Institute) presents the results of a survey of 1000 economic experts in 110 countries on the economic effects of the COVID-19 pandemic and the effectiveness of different policy measures to combat the crisis for different countries. The results indicate that economies all around the globe are severely hit by the COVID-19 crisis. The experts perceive the reductions in investment to have the strongest impact on their domestic economies. In consequence, the experts expect a severe recession in almost all countries in 2020, followed by a long period of economic recovery. The experts rate emergency liquidity assistance to firms as well as temporary tax deferrals for businesses as the most effective policy measures, but do not regard other responses such as helicopter money or lenient bank supervision as being well suited to combat the crisis.
