Towards Research Collaboration – a Taxonomy of Social Research Network Sites

The increase of scientific collaboration coincides with the technological and social advancement of social software applications which can change the way we research. Among social software, social network sites have recently gained immense popularity in a hedonic context. This paper focuses on social network sites as an emerging application designed for the specific needs of researchers. To give an overview about these sites we use a data set of 24 case studies and in-depth interviews with the founders of ten social research network sites. The gathered data leads to a first tentative taxonomy and to a definition of SRNS identifying four basic functionalities identity and network management, communication, information management, and collaboration. The sites in the sample correspond to one of the following four types: research directory sites, research awareness sites, research management sites and research collaboration sites. These results conclude with implications for providers of social research network sites

Vertrauenswürdiger Datenaustausch in Ökosystemen – Entwicklung eines Metamodells zur Trennung von Daten und Kontext

Im Rahmen der digitalen Transformation schließen sich Unternehmen derzeit in neuen Ökosystemen zusammen und tauschen vermehrt Daten und Informationen aus. Dieser Austausch soll soweit möglich, souverän und vertrauenswürdig erfolgen, d.h. Unternehmen möchten bestimmen, wie ihre Daten verwendet werden und wertvolle Geschäftsinformationen sollen nicht weitergegeben werden. Gleichzeitig müssen Daten mit Partnerunternehmen ausgetauscht und ausgewertet werden, um neue Geschäftsmodelle zu realisieren. In diesem Beitrag wird daher ein Metamodell entwickelt, dass die Trennung zwischen Daten und Informationen ermöglicht und damit technische Grundlage eines vertrauenswürdigen Datenaustausch sein kann. Der Beitrag basiert auf einem Case aus der Logistik und zeigt anhand eins konkreten Beispiels Herausforderungen, Lösungsansatz und Potenziale auf

AUV MARUM-SEAL Dive 70: RAW-Data of High Resolution Bathymetry and Backscatter of Chapopote Asphalt Volcano

Purpose of the cruise M114 At the so-called asphalt volcanoes in the southern Gulf of Mexico heavy oil is seeping at the seafloor where it remains as asphalt deposits. Discovered and preliminarily surveyed during SO174 and M67/2 expeditions, these sites are subject for detail studies during M114 focusing on mapping with autonomous underwater vehicle (AUV MARUM-SEAL), deep-towed sidescan sonar (DTS-1), sediment echosounder (Parasound), multibeam echosounder (EM122), and remotely operated vehicle MARUM-ROV Quest. The overarching objective is to better understand the impact, fate, and decay rates of oil in the deep-sea environment. Heavy oil and gas bubbles are emitted from the 1200 to 2900 m deep seafloor in the hy-drocarbon province Campeche Knolls in the southern Gulf of Mexico. The viscous heavy oil flows across the seafloor, loses volatile compounds, solidifies, and is converted to asphalt with time. Due to the fact that the heavy oil remains at the seafloor, these sites are natural laboratories to study the impact of oil on deep-sea ecosystems, and the time scales of oil and asphalt degradation. These subjects are very timely, and can help understanding effects of deep water oil spills as caused by the 2010 Deepwater Horizon accident in the northern Gulf of Mexico. We propose to study the extent of oil emissions and asphalt deposits using sidescan sonar and to investigate them further employing ROV Quest. A further major topic of the proposed cruise addresses the question whether or not methane can reach the sea surface and may contribute to the pool of greenhouse gases. The fact that seepage of oil-coated gas bubbles leads to oil slicks at the sea surface and enhanced methane concentrations was recently shown in the north-ern Gulf. It can be assumed that similar efficient transport processes for methane exists in the area of the Campeche Knolls, where oil slicks have been observed in association with about ~30 individual seafloor structures

Gridded bathymetry mosaic of Venere mud volcano (MV), based on AUV MARUM-SEAL data acquisition during POS499

Gridded bathymetry and backscatter mosaic of Venere mud volcano (MV), based on AUV MARUM-SEAL data acquisition during the POS499 cruise, conducted between 13.10.2010 and 20.11.2010 in the Calarbrian Arc. / PI: Paul Wintersteller, Gerrit Meinecke, Markus Loher, Jens Renken, Ulli Spiesecke, Till von Wahl & Chief Scientist Gerhard Bohrmann

Gridded backscatter mosaic of Venere mud volcano (MV), based on AUV MARUM-SEAL data acquisition during POS499

Gridded bathymetry and backscatter mosaic of Venere mud volcano (MV), based on AUV MARUM-SEAL data acquisition during the POS499 cruise, conducted between 13.10.2010 and 20.11.2010 in the Calarbrian Arc. / PI: Paul Wintersteller, Gerrit Meinecke, Markus Loher, Jens Renken, Ulli Spiesecke, Till von Wahl & Chief Scientist Gerhard Bohrmann

AUV MARUM-SEAL Dive 70: High Resolution Bathymetry and Backscatter of Chapopote Asphalt Volcano

Abstract & Purpose of the cruise M114 At the so-called asphalt volcanoes in the southern Gulf of Mexico heavy oil is seeping at the seafloor where it remains as asphalt deposits. Discovered and preliminarily surveyed during SO174 and M67/2 expeditions, these sites are subject for detail studies during M114 focusing on mapping with autonomous underwater vehicle (AUV MARUM-SEAL), deep-towed sidescan sonar (DTS-1), sediment echosounder (Parasound), multibeam echosounder (EM122), and remotely operated vehicle MARUM-ROV Quest. The overarching objective is to better understand the impact, fate, and decay rates of oil in the deep-sea environment. Heavy oil and gas bubbles are emitted from the 1200 to 2900 m deep seafloor in the hy-drocarbon province Campeche Knolls in the southern Gulf of Mexico. The viscous heavy oil flows across the seafloor, loses volatile compounds, solidifies, and is converted to asphalt with time. Due to the fact that the heavy oil remains at the seafloor, these sites are natural laboratories to study the impact of oil on deep-sea ecosystems, and the time scales of oil and asphalt degradation. These subjects are very timely, and can help understanding effects of deep water oil spills as caused by the 2010 Deepwater Horizon accident in the northern Gulf of Mexico. We propose to study the extent of oil emissions and asphalt deposits using sidescan sonar and to investigate them further employing ROV Quest. A further major topic of the proposed cruise addresses the question whether or not methane can reach the sea surface and may contribute to the pool of greenhouse gases. The fact that seepage of oil-coated gas bubbles leads to oil slicks at the sea surface and enhanced methane concentrations was recently shown in the north-ern Gulf. It can be assumed that similar efficient transport processes for methane exists in the area of the Campeche Knolls, where oil slicks have been observed in association with about ~30 individual seafloor structures