Schule, Lehrerschaft und Bildungspolitik um 1800. Neue Studien im Umfeld der Helvetischen Stapfer-Enquête von 1799

Dieser zweite Sammelband im Rahmen der Reihe „Studien zur Stapfer-Schulenquête von 1799“ beinhaltet [...] Beiträge zu der 1799 durch den Helvetischen Bildungsminister Philipp Albert Stapfer initiierten großangelegten Schulumfrage. Gegenüber den Beiträgen im ersten Sammelband „Volksschule um 1800“ konnten diese hier versammelten Studien auf die komplette Edition der rund 2400 überlieferten Antwortbögen der Stapfer-Enquête zurückgreifen (www. stapferenquete.ch). Der nun vollständig mögliche Zugriff auf die Daten hat dementsprechend umfassendere Forschungsresultate zur Folge und erlaubt repräsentativere Tiefenbohrungen. Noch deutlicher als beim ersten Band vermögen diese Beiträge ein gegenüber der traditionellen Schulgeschichte wesentlich differenzierteres, in vielen Fällen auch korrigiertes Bild der Volksschule um 1800 zu zeichnen. (DIPF/Orig.)

La guerra centroamericana contra los filibusteros en 1856-1857: Una aproximación a las fuentes bibliográficas y documentales.

ResumenLa guerra librada contra los filibusteros en 1856- 1857 no es una lucha contra un enemigo invisible. El filibusterismo constituye una amenaza contra la integridad e identidad de las naciones libres e independientes, no solo dentro de la geografía centroamericana, sino también en otros lugares de nuestro planeta. Memorialistas e historiadores se han encargado de registrar estas acciones para su mejor conocimiento y comprensión por parte de las sucesivas generaciones. Conforme pasa el tiempo, el aporte de estos hechos al conocimiento de la historia centroamericana se esclarece cada vez más.

La epidemia del cólera de 1856 en el Valle Central: análisis y consecuencias demográficas

Introducción Quien entra en contacto con la bibliografía histórica de Costa Rica hallara frecuentes referencias a la guerra con los filibusteros en  1856-1857 y al retiro precipitado de las tropas costarricenses desde la ciudad de Rivas, cuando estalla el cólera. Dicha epidemia ha sido calificada como la peor que sufriera el país en su historia pero todas las naciones son someras, salvo uno o dos estudios que le dedican algunas paginas mas. Lo extraño es que ningún historiador sintiera la inquietud por profundizar el análisis de un fenómeno de características catastróficas tan intensas, comparable a los fenómenos volcánicos tan comunes de América Central.

Documentos para el estudio de la participación indígena en la Campaña Nacional de 1856

IntroducciónLas sonadas celebraciones y conmemoraciones del denominado "Encuentro" de Dos Mundos o "500 años del descubrimiento de América", han generado consecuencias inesperadas. Entre ellas, el interés de los historiadores costarricenses por el descubrimiento de una historia que contemple a todos los protagonistas y lo papeles que desempeñaron en los distintos momentos del desarrollo general de la sociedad nacional. El estudio de la participación indígena en la Campaña Nacional de 1856 es una de estas preocupaciones...

Alessandro Baratta: un hombre del Renacimiento en el siglo XX: notas y referencias sobre la obra de Alessandro Baratta

Alessandro Baratta: un hombre del Renacimiento en el siglo XX: notas y referencias sobre la obra de Alessandro Baratta

Boards of directors' contribution to strategy : a literature review and research agenda

Research Question/Issue: Over the last four decades, research on the relationship between boards of directors and strategy has proliferated. Yet to date there is little theoretical and empirical agreement regarding the question of how boards of directors contribute to strategy. This review assesses the extant literature by highlighting emerging trends and identifying several avenues for future research. Research Findings/Results: Using a content-analysis of 150 articles published in 23 management journals up to 2007, we describe and analyze how research on boards of directors and strategy has evolved over time. We illustrate how topics, theories, settings, and sources of data interact and influence insights about board–strategy relationships during three specific periods. Theoretical Implications: Our study illustrates that research on boards of directors and strategy evolved from normative and structural approaches to behavioral and cognitive approaches. Our results encourage future studies to examine the impact of institutional and context-specific factors on the (expected) contribution of boards to strategy, and to apply alternative methods to fully capture the impact of board processes and dynamics on strategy making. Practical Implications: The increasing interest in boards of directors’ contribution to strategy echoes a movement towards more strategic involvement of boards of directors. However, best governance practices and the emphasis on board independence and control may hinder the board contribution to the strategic decision making. Our study invites investors and policy-makers to consider the requirements for an effective strategic task when they nominate board members and develop new regulations.

L'Impatto delle Condizioni Interne ed Esterne sul Ruolo del Cda : un'Analisi Empirica sulle Grandi Imprese Italiane [The impact of internal and external contingencies on board tasks performance : an empirical investigation of Italian companies]

Il Consiglio di Amministrazione (CdA) è il principale organo di governo delle aziende. La letteratura gli attribuisce tre ruoli: controllo, indirizzo strategico e collegamento con l’ambiente (networking). Precedenti studi empirici hanno analizzato se un Consiglio di Amministrazione è attivo o meno in tutti e tre i ruoli in un dato momento. Nel presente lavoro, invece, si propone un approccio «contingente» e si analizzano i ruoli svolti dal CdA al variare delle condizioni interne (aziende in crisi o di successo) ed esterne (aziende in settori competitivi o regolamentati).. L’indagine empirica è stata condotta su un campione di 301 imprese italiane di grandi dimensioni. I risultati supportano la tesi iniziale secondo cui le condizioni interne ed esterne incidono sul ruolo svolto dal CdA. In particolare i risultati evidenziano che il CdA non svolge sempre tutti e tre i ruoli nello stesso momento, ma esso si concentra sul ruolo o sui ruoli che assumono grande importanza nella situazione in cui si trova l’azienda. Con riferimento alle condizioni interne, nelle imprese in crisi il CdA è attivo in tutti e tre i ruoli, mentre in quelle di successo prevale un orientamento verso la funzione strategica. Nelle aziende che operano in settori competitivi il ruolo di controllo è più pressante mentre nei settori regolamentati prevale una funzione di networking.

Atmospheric deposition as a source of stormwater pollution in Gold Coast, Australia

Atmospheric deposition is one of the most important pollutant pathways for urban stormwater pollution. Atmospheric deposition can be in the form of dry and wet depositions which have distinct characteristics in terms of pollutant types, pollutant sources and influential parameters. This paper discusses the outcomes of a comprehensive study undertaken to identify the characteristics of wet and dry deposition of pollutants. Sample collection was undertaken at eight study sites with distinct characteristics. Four sites were close to road sites with varying traffic characteristics, whilst the other four sites had different land use characteristics. Dry deposition samples were collected for different antecedent dry days and wet deposition samples were collected immediately after rainfall events. The dry deposition was found to increase with the antecedent dry days and consisted of relatively coarser particles (greater than 1 µm) when compared to wet deposition. The wet deposition showed a strong affinity to rainfall depth, but was not related to the antecedent dry period. It was also found that smaller size particles (less than 1 µm) travel much longer distances from the source and deposit mainly with the wet deposition

Process mining manifesto

Process mining techniques are able to extract knowledge from event logs commonly available in today’s information systems. These techniques provide new means to discover, monitor, and improve processes in a variety of application domains. There are two main drivers for the growing interest in process mining. On the one hand, more and more events are being recorded, thus, providing detailed information about the history of processes. On the other hand, there is a need to improve and support business processes in competitive and rapidly changing environments. This manifesto is created by the IEEE Task Force on Process Mining and aims to promote the topic of process mining. Moreover, by defining a set of guiding principles and listing important challenges, this manifesto hopes to serve as a guide for software developers, scientists, consultants, business managers, and end-users. The goal is to increase the maturity of process mining as a new tool to improve the (re)design, control, and support of operational business processes.

Development of a gas nanosensor node powered by solar cells

This work focuses on the development of a stand-alone gas nanosensor node, powered by solar energy to track concentration of polluted gases such as NO2, N2O, and NH3. Gas sensor networks have been widely developed over recent years, but the rise of nanotechnology is allowing the creation of a new range of gas sensors [1] with higher performance, smaller size and an inexpensive manufacturing process. This work has created a gas nanosensor node prototype to evaluate future field performance of this new generation of sensors. The sensor node has four main parts: (i) solar cells; (ii) control electronics; (iii) gas sensor and sensor board interface [2-4]; and (iv) data transmission. The station is remotely monitored through wired (ethernet cable) or wireless connection (radio transmitter) [5, 6] in order to evaluate, in real time, the performance of the solar cells and sensor node under different weather conditions. The energy source of the node is a module of polycrystalline silicon solar cells with 410cm2 of active surface. The prototype is equipped with a Resistance-To-Period circuit [2-4] to measure the wide range of resistances (KΩ to GΩ) from the sensor in a simple and accurate way. The system shows high performance on (i) managing the energy from the solar panel, (ii) powering the system load and (iii) recharging the battery. The results show that the prototype is suitable to work with any kind of resistive gas nanosensor and provide useful data for future nanosensor networks.

Towards the development of a gas sensor system for monitoring pollutant gases in the low troposphere using small unmanned aerial vehicles

The world is facing problems due to the effects of increased atmospheric pollution, climate change and global warming. Innovative technologies to identify, quantify and assess fluxes exchange of the pollutant gases between the Earth’s surface and atmosphere are required. This paper proposes the development of a gas sensor system for a small UAV to monitor pollutant gases, collect data and geo-locate where the sample was taken. The prototype has two principal systems: a light portable gas sensor and an optional electric–solar powered UAV. The prototype will be suitable to: operate in the lower troposphere (100-500m); collect samples; stamp time and geo-locate each sample. One of the limitations of a small UAV is the limited power available therefore a small and low power consumption payload is designed and built for this research. The specific gases targeted in this research are NO2, mostly produce by traffic, and NH3 from farming, with concentrations above 0.05 ppm and 35 ppm respectively which are harmful to human health. The developed prototype will be a useful tool for scientists to analyse the behaviour and tendencies of pollutant gases producing more realistic models of them.