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For successful preservation operations, a preservation system needs to be capable of monitoring compliance of preservation operations to specifications, alignment of these operations with the organisation's preservation objectives, and associated risks and opportunities. This requires linking a number of diverse information sources and specifying complex(More)
Successful preservation of content requires sophisticated mechanisms for collecting, tracking and analyzing information about a multitude of relevant aspects. This is not limited to content itself, but also tracking of available software, other organization's content, usage statistics and trends, format risks, systems operations and many more. Such tracking(More)
Disclaimer This report provides an overview about the research on Digital Preservation of initiatives co-funded by the European Commission in the ICT programme. A subject as complex as the topic research can be seen from many points of view. In order to open new perspectives, we tried to give structured summaries of the activities from different angles. The(More)
This paper describes the modeling of a two-vehicle convoy and the design of a vehicle following controller that tracks the trajectory of the vehicle ahead with prescribed inter-vehicle distance. Kinematic equations of the system are formulated applying standard robotic methodology. We consider autonomous vehicle following without any information obtained(More)
Preserving digital information over the long term becomes increasing important for large number of institutions. The required expertise and limited tool support discourage especially small institutions from operating archives with digital preservation capabilities. Hoppla is an archiving solution that combines backup and fully automated migration services(More)
Retinoblastoma (Rb1) has been described as an essential player in white adipocyte differentiation in mice. No studies have been reported thus far in human adipose tissue or human adipocytes. We aimed to investigate the possible role and regulation of RB1 in adipose tissue in obesity using human samples and animal and cell models. Adipose RB1 (mRNA, protein,(More)
This paper presents an adaptive tracking controller for a two-vehicle convoy where the lead vehicle is driven in reverse. We assume that the lead vehicle linear and angular velocities are unknown constant parameters. We discuss autonomous vehicle control without any information obtained from road infrastructure or communicated from the lead vehicle. The(More)
Biosurfactant activity and naphthalene degradation by a new strain identified as Bacillus cereus 28BN were studied. The strain grew well and produced effective biosurfactants in the presence of n-alkanes, naphthalene, crude oil and vegetable oils. The biosurfactants were detected by the surface tension lowering of the medium, thin layer chromatography and(More)