FDZ annual report 2007

"Following the two evaluations by the German Council for Social and Economic Data in 2006 and by the German Council of Science and Humanities in 2007, the Research Data Centre (FDZ) of the Federal Employment Agency at the Institute for Employment Research plans to report on its activities regularly in future. We are beginning with this FDZ Annual Report 2007, which is intended to summarise the main events of the past 12 or 24 months in a few pages. The Annual Report also serves to provide transparency for our users, who after all justify the existence of the FDZ. This Report is divided into the following chapters: 'General Function', 'Basic Information', 'The Service-Oriented FDZ', 'The International FDZ' and, as an apt conclusion, 'Research at the FDZ'. Parts of the appendices (for Example Publications or Presentations in German) are not translated into English." (Text excerpt, IAB-Doku) ((en)) Additional Information Here you can find the German version of the report.Forschungsdatenzentrum - Bericht, Bundesagentur für Arbeit, IAB, amtliche Statistik, Datenzugang, Datenschutz, Arbeitsmarkt- und Berufsforschung, IAB-Beschäftigtenstichprobe, IAB-Betriebspanel, IAB-Betriebs-Historik-Panel, IAB-Linked-Employer-Employee-Datensatz, Integrierte Erwerbsbiografien, Datenaufbereitung, Datenausgabe

The functional role of GABA and glycine in monaural and binaural processing in the inferior colliculus of horseshoe bats

The functional role of GABA and glycine in monaural and binaural signal analysis was studied in single unit recordings from the central nucleus of the inferior colliculus (IC) of horseshoe bats (Rhinolophus rouxi) employing microiontophoresis of the putative neurotransmitters and their antagonists bicuculline and strychnine. Most neurons were inhibited by GABA (98%; N= 107) and glycine (92%; N = 118). Both neurotransmitters appear involved in several functional contexts, but to different degrees. Bicuculline-induced increases of discharge activity (99% of cells; N= 191) were accompanied by changes of temporal response patterns in 35 % of neurons distributed throughout the IC. Strychnine enhanced activity in only 53% of neurons (N= 147); cells exhibiting response pattern changes were rare (9%) and confined to greater recording depths. In individual cells, the effects of both antagonists could markedly differ, suggesting a differential supply by GABAergic and glycinergic networks. Bicuculline changed the shape of the excitatory tuning curve by antagonizing lateral inhibition at neighboring frequencies and/or inhibition at high stimulation levels. Such effects were rarely observed with strychnine. Binaural response properties of single units were influenced either by antagonization of inhibition mediated by ipsilateral stimulation (bicuculline) or by changing the strength of the main excitatory input (bicuculline and strychnine)

FDZ Annual Report 2008

"Following the exceedingly positive response to our Annual Report 2007, you now have the Annual Report 2008 of the Research Data Centre (FDZ) of the Federal Employment Agency at the Institute for Employment Research in this FDZ Methodenreport. Like last year, the FDZ Annual Report 2008 is not a glossy brochure full of photos but summarises the main events of the past 12 months in a few pages. The Annual Report 2008 is mainly based on key figures which the FDZ made available to the German Council for Social and Economic Data for their evaluation in 2009. The Annual Report also serves to provide transparency for our users, who after all justify the existence of the FDZ. The Report is divided into the following chapters: 'General function', 'Basic information', 'The service-oriented FDZ', 'The international FDZ' and, as an apt conclusion, 'Research at the FDZ'." (Author's abstract, IAB-Doku) ((en)) Additional Information Here you can find the German version of the report.Forschungsdatenzentrum - Bericht, Bundesagentur für Arbeit, IAB, amtliche Statistik, Datenzugang, Datenschutz, Arbeitsmarkt- und Berufsforschung, IAB-Beschäftigtenstichprobe, IAB-Betriebspanel, IAB-Betriebs-Historik-Panel, IAB-Linked-Employer-Employee-Datensatz, Integrierte Erwerbsbiografien, Datenaufbereitung, Datenausgabe, BA-Beschäftigtenpanel, Befragung, IAB-Querschnittsbefragung, IAB-Haushaltspanel, IAB-kombinierte Firmendaten, IAB-Weiterbildungspanel

FDZ-Jahresbericht 2009/2010

"The annual report 2009/10 gives an overview of functions and activities of the Research Data Centre (FDZ) of the Federal Employment Agency (BA) at the Institute for Employment Research (IAB). The general function of the FDZ - to prepare individual datasets and make them available for research purposes - is illustrated by key figures of data use. These figures show that the FDZ has established itself as a provider of high quality individual data in the research landscape. Special attention was also given to the task of making the data available internationally and an increasing engagement in third-party funded research projects. Furthermore, the annual report 2009/10 documents the way in which the FDZ activities took the form of numerous publications, scientific presentations and events." (Author's abstract, IAB-Doku) ((en))Forschungsdatenzentrum, Bundesagentur für Arbeit, IAB, Jahrbuch

FDZ-Jahresbericht 2007

"Nach den beiden Evaluationen 2006 durch den Rat für Sozial- und Wirtschaftsdaten und 2007 durch den Wissenschaftsrat möchte das Forschungsdatenzentrum der Bundesagentur für Arbeit im Institut für Arbeitsmarkt- und Berufsforschung (FDZ) in Zukunft regelmäßig über seine Aktivitäten berichten. Wir starten mit diesem FDZ-Jahresbericht 2007, der ... auf wenigen Seiten die wesentlichen Ereignisse der letzten 12 bzw. 24 Monate zusammenfassen soll. Der Jahresbericht dient auch der Transparenz für unsere Nutzer, die die Existenzberechtigung des FDZ begründen... Der Bericht teilt sich in die Kapitel 'Allgemeine Aufgaben', 'Basisinformationen', 'Das serviceorientierte FDZ', 'Das internationale FDZ' und zum guten Schluss 'Das forschende FDZ'." (Textauszug, IAB-Doku) Additional Information Hier finden Sie die englische Version des Reports.Forschungsdatenzentrum - Bericht, Bundesagentur für Arbeit, IAB, amtliche Statistik, Datenzugang, Datenschutz, Arbeitsmarkt- und Berufsforschung, IAB-Beschäftigtenstichprobe, IAB-Betriebspanel, IAB-Betriebs-Historik-Panel, IAB-Linked-Employer-Employee-Datensatz, Integrierte Erwerbsbiografien, Datenaufbereitung, Datenausgabe

Progress and Poverty—1965 Version

The first hard X-ray laser, the Linac Coherent Light Source (LCLS), produces 120 shots per second. Particles injected into the X-ray beam are hit randomly and in unknown orientations by the extremely intense X-ray pulses, where the femtosecond-duration X-ray pulses diffract from the sample before the particle structure is significantly changed even though the sample is ultimately destroyed by the deposited X-ray energy. Single particle X-ray diffraction experiments generate data at the FEL repetition rate, resulting in more than 400,000 detector readouts in an hour, the data stream during an experiment contains blank frames mixed with hits on single particles, clusters and contaminants. The diffraction signal is generally weak and it is superimposed on a low but continually fluctuating background signal, originating from photon noise in the beam line and electronic noise from the detector. Meanwhile, explosion of the sample creates fragments with a characteristic signature. Here, we describe methods based on rapid image analysis combined with ion Time-of-Flight (ToF) spectroscopy of the fragments to achieve an efficient, automated and unsupervised sorting of diffraction data. The studies described here form a basis for the development of real-time frame rejection methods, e. g. for the European XFEL, which is expected to produce 100 million pulses per hour. (C)2014 Optical Society of Americ

Metadata Hub - One for All

The Metadata Hub provides a generic service for metadata repositories. Based on this, different kinds of metadata repositories can be accessed with uniform tools without the researchers having to deal with the complex details. In the domain of research data management, there are a variety of repositories that offer metadata management services to researchers. This poses the challenge that these repositories usually have different interfaces and in nature are not very interoperable with each other, violating one of the FAIR Principles. Our work aims to build a bridge between these repositories as a generic service for metadata repositories, the Metadata Hub. It’s accessible via the Turntable API, which defines a uniform interface for metadata repositories. To validate metadata documents, a definition of the document structure has to be available. For JSON/XML, there is JSON/XML Schema for this purpose. In case of JSON-LD, JSON Schema is not sufficient. Therefore, so-called application profiles are used, which are defined by using Shapes Constraint Language (SHACL). In general, the Turntable API is split in two parts: The first part is about managing (CRUD) ‘schemas/application profiles’ which are describing the structure of metadata documents, extended by the ability to validate a metadata document against a registered ‘schema/application profile/…’. The second part is about managing the metadata documents itself based on one of registered ‘schemas/application profiles’. Currently, we build the Metadata Hub as a Demonstrator mapping two completely different repositories (Coscine, MetaStore) as a showcase. The Metadata Hub is powered by the Metadata Hub Framework and provides a web interface to make the service available to a broad mass. This work has been supported by the research program ‘Engineering Digital Futures’ of the Helmholtz Association of German Research Centers, the Helmholtz Metadata Collaboration Platform and the German National Research Data Infrastructure (NFDI)

Two-sided Bogoliubov inequality to estimate finite size effects in quantum molecular simulations

We generalise the two-sided Bogoliubov inequality for classical particles (Delle Site et al. in J Stat Mech Theory Exp 083201, 2017 to systems of quantum particles. As in the classical set-up, the inequality leads to upper and lower bounds for the free energy difference associated with the partitioning of a large system into smaller, independent subsystems. From a thermodynamic modelling point of view, the free energy difference determines the finite size correction needed to consistently treat a small system as a representation of a large system. Applications of the bounds to quantify finite size effects are ubiquitous in physics, chemistry, material science, or biology, to name just a few; in particular, it is relevant for molecular dynamics simulations in which a small portion of a system is usually taken as representative of the idealized large system

Multiferroicity in an organic charge-transfer salt: Electric-dipole-driven magnetism

Multiferroics, showing simultaneous ordering of electrical and magnetic degrees of freedom, are remarkable materials as seen from both the academic and technological points of view. A prominent mechanism of multiferroicity is the spin-driven ferroelectricity, often found in frustrated antiferromagnets with helical spin order. There, similar to conventional ferroelectrics, the electrical dipoles arise from an off-centre displacement of ions. However, recently a different mechanism, namely purely electronic ferroelectricity, where charge order breaks inversion symmetry, has attracted considerable interest. Here we provide evidence for this exotic type of ferroelectricity, accompanied by antiferromagnetic spin order, in a two-dimensional organic charge-transfer salt, thus representing a new class of multiferroics. Quite unexpectedly for electronic ferroelectrics, dipolar and spin order arise nearly simultaneously. This can be ascribed to the loss of spin frustration induced by the ferroelectric ordering. Hence, here the spin order is driven by the ferroelectricity, in marked contrast to the spin-driven ferroelectricity in helical magnets.Comment: 8 pages, 9 figures (including 4 pages and 6 figures in supplementary information). Version 2 with minor errors corrected (legend of Fig. 3c and definition of vectors e and Q

Towards a consulting guideline for Capacity Building in COIL modules

From point 1 Introduction: Today‘s higher education and labor market necessitate strong collaboration and digital competencies (Aepli et al., 2017; Jadin, 2018). Thus, designing efective learning modules for these skills is paramount to preparing graduates for their career paths. However, constructing these modules poses a complex task, demanding a deep understanding of the required skills and expert guidance for module efcacy (Rauer et al., 2021; Vuchkovski et al., 2023)