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Phase transitions in a non-perturbative regime can be studied by ab initio Lattice Field Theory methods. The status and future research directions for LFT investigations of Quantum Chromo-Dynamics under extreme conditions are reviewed, including properties of hadrons and of the hypothesized QCD axion as inferred from QCD topology in different phases. We discuss phase transitions in strong interactions in an extended parameter space, and the possibility of model building for Dark Matter and Electro-Weak Symmetry Breaking. Methodological challenges are addressed as well, including new developments in Artificial Intelligence geared towards the identification of different phases and transitions.
The annotation of texts and other material in the field of digital humanities and Natural Language Processing (NLP) is a common task of research projects. At the same time, the annotation of corpora is certainly the most time- and cost-intensive component in research projects and often requires a high level of expertise according to the research interest. However, for the annotation of texts, a wide range of tools is available, both for automatic and manual annotation. Since the automatic pre-processing methods are not error-free and there is an increasing demand for the generation of training data, also with regard to machine learning, suitable annotation tools are required. This paper defines criteria of flexibility and efficiency of complex annotations for the assessment of existing annotation tools. To extend this list of tools, the paper describes TextAnnotator, a browser-based, multi-annotation system, which has been developed to perform platform-independent multimodal annotations and annotate complex textual structures. The paper illustrates the current state of development of TextAnnotator and demonstrates its ability to evaluate annotation quality (inter-annotator agreement) at runtime. In addition, it will be shown how annotations of different users can be performed simultaneously and collaboratively on the same document from different platforms using UIMA as the basis for annotation.
Over the past two decades the “one drug – one target – one disease” concept became the prevalent paradigm in drug discovery. The main idea of this approach is the identification of a single protein target whose inhibition leads to a successful treatment of the examined disease. The predominant assumption is that highly selective ligands would avoid unwanted side effects caused by binding to secondary non-therapeutic targets. In recent years the results of post-genomic and network biology showed that proteins rarely act in isolated systems but rather as a part of a highly connected network [1]. In addition this connectivity leads to more robust systems that cannot be interfered by the inhibition of a single target of that network and consequently might not lead to the desired therapeutic effect [2]. Furthermore studies prove that robust systems are rather affected by weak inhibitions of several parts than by a complete inhibition of a single selected element of that system [3]. Therefore there is an increasing interest in developing drugs that take effect on multiple targets simultaneously but is concurrently a great challenge for medicinal chemists. There has to be a sufficient activity on each target as well as an adequate pharmacokinetic profile [4]. Early design strategies tried to link the pharmacophors of known inhibitors, however these methods often lead to high molecular weight and low ligand efficacy. We present a new rational approach based on a retrosynthetic combinatorial analysis procedure [5] on approved ligands of multiple targets. These RECAP fragments are used to design a large combinatorial library containing molecules featuring chemical properties of each ligand class. The molecules are further validated by machine learning models, like random forests and self-organizing maps, regarding their activity on the targets of interest.
Introduction: aims and points of departure. 1. The problem of the knowledge of law: whether previous general rules may support a casuistic decision. 2. The problem of legal ethics: whether there are autonomous rights, which do not depend on positive law. 3. The ways of modern dogmatics to deal with these problems. 4. The question remains the same.
In this paper, an analysis of Robert Frost’s poem Mending Wall is presented as a hermeneutical key to investigate and criticize two examples of the oblivion of the reasonable distinction and the reasonable relationship between ethics and law proposed by a new Brazilian private law movement called Escola do Direito Civil-Constitucional (The Private-Constitutional School of Thought). Those examples of unreasonable relationship between ethics and law are: 1) the right to be loved and 2) the right to get a private education without paying for it.
In his works, Hans Kelsen elaborates several objections to the so-called “doctrine of natural law”, especially in his essay The Natural-Law Doctrine Before the Tribunal of Science. Kelsen argues that natural law theorists, searching for an absolute criterion for justice, try to deduce from nature the rules of human behavior. Robert P. George, in the essay Kelsen and Aquinas on the ‘Natural Law Doctrine’ examines his criticism and concludes that what Kelsen understands as the Natural-law doctrine does not include the natural law theory elaborated by Thomas Aquinas. In this paper, we will try to corroborate George’s theses and try to show how Aquinas’ natural law theory can be vindicated against Kelsens criticisms.
This article considers the Brazilian Legal System and the requirements of an act performed by public administration. To do so, it presents six main chapters. The first one considers Brazilian Constitution as it regards State form, legal and judicial systems. The second chapter presents the public administration stated in the Constitution. The requirements of a public administration act are presented in the third chapter. The improbity law, which determines how public administration acts should be performed, is presented on the fourth chapter. How one of the main judicial courts of Brazil has understood this law is the topic of the fifth chapter. The sixth chapter presents a proposal of how could be Phronesis used to solve misunderstandings about improbity in the Brazilian Legal System.
Die Rassenmischung bekam in der Entwicklung der Sozialwissenschaften in Brasilien immer wieder neue Bedeutungen, um sich an jeden politischen Zusammenhang anzupassen. Sie wurde von den Männern des Wissens als Problem und später als Lösung angesehen – nämlich durch die Aufhellung – gemäß der evolutionären Rassentheorien Ende des 19. Jahrhunderts. Aber vor allem in den 1930er Jahren betrachteten einige Intellektuelle Brasiliens, wie Gilberto Freyre, die Mischung der drei Rassen, die das Volk Brasiliens bilden, als Bestandteil der Nation. Eine solche Vorstellung brachte juristische und politische, manchmal unmerkliche Folgen für den Platz des Mischlings innerhalb der brasilianischen Gesellschaft. Dieser wird als Notausstieg Mulatte nach Carl Degler oder als epistemologisches Hindernis nach Eduardo de Oliveira e Oliveira verstanden. Der Zweck dieser Arbeit besteht darin, aufzuzeigen, inwiefern jene Tradition eine tiefe Auseinandersetzung verbirgt und wie sie juristische Auswirkungen in der Gegenwart hervorruft, z.B. in Bezug auf die Debatte über Rassenquoten an öffentlichen Universitäten.
The Specialized Information Service Biodiversity Research (BIOfid) has been launched to mobilize valuable biological data from printed literature hidden in German libraries for over the past 250 years. In this project, we annotate German texts converted by OCR from historical scientific literature on the biodiversity of plants, birds, moths and butterflies. Our work enables the automatic extraction of biological information previously buried in the mass of papers and volumes. For this purpose, we generated training data for the tasks of Named Entity Recognition (NER) and Taxa Recognition (TR) in biological documents. We use this data to train a number of leading machine learning tools and create a gold standard for TR in biodiversity literature. More specifically, we perform a practical analysis of our newly generated BIOfid dataset through various downstream-task evaluations and establish a new state of the art for TR with 80.23% F-score. In this sense, our paper lays the foundations for future work in the field of information extraction in biology texts.
There is little doubt that Quantumchromodynamics (QCD) is the theory which describes strong interaction physics. Lattice gauge simulations of QCD predict that in the m,T plane there is a line where a transition from confined hadronic matter to deconfined quarks takes place. The transition is either a cross over (at low m) or of first order (at high m). It is the goal of the present and future heavy ion experiment at RHIC and FAIR to study this phase transition at different locations in the m,T plane and to explore the properties of the deconfined phase. It is the purpose of this contribution to discuss some of the observables which are considered as useful for this purpose.