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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

D-Modules on Spaces of Rational Maps and on Other Generic Data

Barlev, Jonathan 13 December 2012 (has links)
Fix an algebraic curve X. We study the problem of parametrizing geometric data over X, which is only generically defined. E.g., parametrizing generically defined maps from X to a fixed target scheme Y. There are three methods for constructing functors of points for such moduli problems (all originally due to Drinfeld), and we show that the resulting functors are equivalent in the fppf Grothendieck topology. As an application, we obtain three presentations for the category of D-modules “on” \(B(K)\backslash G (\mathbb{A}) /G (\mathbb{O})\) and combine results about this category coming from the different presentations. / Mathematics
2

OntoWiki 1.0: 10 years of development - what's new in OntoWiki

Frischmuth, Philipp, Arndt, Natanael, Martin, Michael 01 August 2017 (has links)
In this demonstration (with supportive poster) we present the semantic data wiki OntoWiki, which was released in version 1.0 just recently. We focus on the changes introduced to the tool in the latest release and showcase the generic data wiki, improvements we made with regard to the documentation as well as three success stories where OntoWiki was adapted and deployed.
3

Flexible Integration of Molecular-Biological Annotation Data: The GenMapper Approach

Do, Hong-Hai, Rahm, Erhard 12 December 2018 (has links)
Molecular-biological annotation data is continuously being collected, curated and made accessible in numerous public data sources. Integration of this data is a major challenge in bioinformatics. We present the GenMapper system that physically integrates heterogeneous annotation data in a flexible way and supports large-scale analysis on the integrated data. It uses a generic data model to uniformly represent different kinds of annotations originating from different data sources. Existing associations between objects, which represent valuable biological knowledge, are explicitly utilized to drive data integration and combine annotation knowledge from different sources. To serve specific analysis needs, powerful operators are provided to derive tailored annotation views from the generic data representation. GenMapper is operational and has been successfully used for large-scale functional profiling of genes.
4

Generiska klimatdata för betongpålar

Kaneteg, Maria, Lindgren, Elin January 2022 (has links)
On January 1st, 2022, requirements for climate declarations were set in Sweden to calculate the climate impact of new buildings. Climate impact is calculated at an early stage using generic data which is the average data of the selected product type. Most building components must be included in climate declarations, however, there are no requirement for foundation components to be included. Foundations can form a large part of a building, meaning that excluding them from climate calculations can result in a large missing figure of the total climate impact. Thus, this thesis has focused on creating generic climate data for concrete piles that can be used for climate declarations of construction projects in Sweden. The reason why concrete piles have been chosen is because they are the most used pile type in Sweden.To produce this generic data, a literature review was first conducted and interviews with experienced people in the industry were performed to complement the study. After that, calculations were made together with a parameter study as well as a case study.Generic data were obtained for both single and jointed concrete piles of the dimensions SP1, SP2 and SP3 with the unit kg CO2e/m. To make the generic data conservative, the climate impact for modules A1-A3 was increased by 25%. Generic data for SP1 is 41.38 kg CO2e/m, SP2 is 51.90 kg CO2e/m and SP3 is 55.78 kg CO2e/m when the distance to construction site is 100 km, also including 5% construction waste. Input data for distance to construction site and amount of construction waste should be adapted for each specific building project.The assumption that there is no difference in climate impact between single and jointed concrete piles per meter was made. On the other hand, the climate impact weighted against the bearing capacity, shows that single concrete piles have a lower climate impact per meter and kN load than jointed concrete piles. In this order, from lowest to highest, the climate impacts of the different pile types are single SP3, SP2 and SP1 followed by jointed SP2, SP3 and SP1. That is, single SP3 has the lowest carbon footprint while jointed SP1 has the highest carbon footprint, in terms of their load bearing capacity.A combined value of climate impact was calculated, taking into consideration the different concrete pile types and their frequency of use, however, this value was considered too misleading and is therefore not recommended to use.

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