The sdA problem - II. Photometric and Spectroscopic Follow-up

Subdwarf A star (sdA) is a spectral classification given to objects showing H-rich spectra and sub-main sequence surface gravities, but effective temperature lower than the zero-age horizontal branch. Their evolutionary origin is an enigma. In this work, we discuss the results of follow-up observations of selected sdAs. We obtained time resolved spectroscopy for 24 objects, and time-series photometry for another 19 objects. For two targets, we report both spectroscopy and photometry observations. We confirm seven objects to be new extremely-low mass white dwarfs (ELMs), one of which is a known eclipsing star. We also find the eighth member of the pulsating ELM class.Comment: Accepted for publication in MNRAS. 19 pages, 30 figures, 6 table

Ethics in Responsible Investment: How to Incorporate Ethics into Investment Analysis

This paper examines ethics in finance, specifically related to responsible investment. In recent years, socially responsible principles are becoming the de facto standard not only for socially responsible but also for profitable investing. For instance, the United Nations developed the Principles for Responsible Investment (PRI) in 2006, which require institutional investors to incorporate ESG (Environmental, Social and Governance) issues into investment analysis and decision-making processes. This raises the following question: can responsible investments be justified from an ethical point of view? In this paper I first explain responsible investments. Then, I turn to the ethical foundation of responsible investments. There are two arguments for responsible investments. I argue that both fail. Therefore, my conclusion is that the ethical foundation of responsible investments is not firm

Challenging the Need for Transparency, Controllability, and Consistency in Usable Adaptation Design

Adaptive applications constitute the basis for many ubiquitous computing scenarios as they can dynamically adapt to changing contexts. The usability design principles transparency, controllability, and consistency have been recommended for the design of adaptive interfaces. However, designing self-adaptive applications that may act completely autonomous is still a challenging task because there is no set of usability design guidelines. Applying the three principles in the design of the five different adaptations of the mobile adaptive application Meet-U revealed as difficult. Based on an analysis of the design problem space, we elaborate an approach for the design of usable adaptations. Our approach is based on a notification design concept which calculates the attention costs and utility benefits of notified adaptations by varying the design aspects transparency and controllability. We present several designs for the adaptations of Meet‑U. The results of a user study shows that the notification design approach is beneficial for the design of adaptations. Varying transparency and controllability is necessary to adjust an adaptation’s design to the particular context of use. This leads to a partially inconsistent design for adaptations within an application

An Automated Method for Identifying Inconsistencies within Diagrammatic Software Requirements Specifications

The development of large-scale, composite software in a geographically distributed environment is an evolutionary process. Often, in such evolving systems, striving for consistency is complicated by many factors, because development participants have various locations, skills, responsibilities, roles, opinions, languages, terminology and different degrees of abstraction they employ. This naturally leads to many partial specifications or viewpoints. These multiple views on the system being developed usually overlap. From another aspect, these multiple views give rise to the potential for inconsistency. Existing CASE tools do not efficiently manage inconsistencies in distributed development environment for a large-scale project. Based on the ViewPoints framework the WHERE (Web-Based Hypertext Environment for requirements Evolution) toolkit aims to tackle inconsistency management issues within geographically distributed software development projects. Consequently, WHERE project helps make more robust software and support software assurance process. The long term goal of WHERE tools aims to the inconsistency analysis and management in requirements specifications. A framework based on Graph Grammar theory and TCMJAVA toolkit is proposed to detect inconsistencies among viewpoints. This systematic approach uses three basic operations (UNION, DIFFERENCE, INTERSECTION) to study the static behaviors of graphic and tabular notations. From these operations, subgraphs Query, Selection, Merge, Replacement operations can be derived. This approach uses graph PRODUCTIONS (rewriting rules) to study the dynamic transformations of graphs. We discuss the feasibility of implementation these operations. Also, We present the process of porting original TCM (Toolkit for Conceptual Modeling) project from C++ to Java programming language in this thesis. A scenario based on NASA International Space Station Specification is discussed to show the applicability of our approach. Finally, conclusion and future work about inconsistency management issues in WHERE project will be summarized

Structural metaphors in the English and Hungarian version of George Eliot's Middlemarch

When we are trying to decide whether the translation of a particular novel is good or bad, we shall usually find that there are quite a few equally valid points of view and powerful arguments on both sides. It should also be noted that in order to reach a decision it seems necessary to by-pass temporarily the views according to which languages are incompatible and translation is either impossible or illu- sory. Putting aside the views on linguistic relativity does not simplify matters, it just makes the decision possible. The temporary suspension of such views is, to some extent, justified by the practice of those people who correlate texts in differ- ent languages and look upon them as saying the same thing. They may be wrong and the supposedly identical texts can turn out to be different, but it must be ad- mitted that identity in cultural matters is always arbitrary. If people insist on trans- lating as they obviously do, there should be some criteria within the theoretical framework of translatability to judge the relative merits and failures of what they produce