H. Information Systems
- H.0 GENERAL
- H.1 MODELS AND PRINCIPLES
- H.2 DATABASE MANAGEMENT (E.5)
- H.3 INFORMATION STORAGE AND RETRIEVAL
- H.4 INFORMATION SYSTEMS APPLICATIONS
- H.5 INFORMATION INTERFACES AND PRESENTATION (e.g., HCI) (I.7)
- H.m MISCELLANEOUS
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Ergebnisse des Workshops des Forschungsschwerpunkts Verteilte und Mobile Applikationen am 13.1.2011
(2022)
Die vorliegende Ausgabe der „Kölner Beiträge zur Technischen Informatik“ enthält Beiträge zum Workshop des
Forschungsschwerpunkts „Verteilte und Mobile Applikationen“, der am 13. Januar 2011 in Köln stattfand. Die Beiträge
sind Forschungsarbeiten aus den Bereichen:
- Testmodellierung für komplexe Softwaresysteme,
- Entwicklung hochzuverlässiger eingebetteter Systeme,
- Dienstgütemessung und Codectypen bei VoIP, IPTV und WebTV,
- Identifikation von Telefon- SPAM in VoIP Netzwerken
Modelling Zero-inflated Rainfall Data through the Use of Gaussian Process and Bayesian Regression
(2018)
Rainfall is a key parameter for understanding the water cycle. An accurate rainfall measurement is vital in the development of hydrological models. By means of indirect measurement, satellites can nowadays estimate the rainfall around the world. However, these measurements are not always accurate. As a first approach to generate a bias-corrected rainfall estimate using satellite data, the performance of Gaussian process and Bayesian regression is studied. The results show Gaussian process as the better option for this dataset but leave place to improvements on both modelling strategies.
Architecural aproaches are considered to simplify the generation of re-usable building blocks in the field of data warehousing. While SAP’s Layer Scalable Architecure (LSA) offers a reference model for creating data warehousing infrastructure based on SAP software, extented reference models are needed to guide the integration of SAP and non-SAP tools. Therefore, SAP’s LSA is compared to the Data Warehouse Architectural Reference Model (DWARM), which aims to cover the classical data warehouse topologies.
Verunreinigungen im Wassernetz können weite Teile der Bevölkerung unmittelbar gefährden. Gefahrenpotenziale bestehen dabei nicht nur durch mögliche kriminelle Handlungen und terroristische Anschläge. Auch Betriebsstörungen, Systemfehler und Naturkatastrophen können zu Verunreinigungen führen.
