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The large-scale manufacture of biological products results in the generation of significant quantities of process information that can be used to inform future design decisions. Currently this information is not exploited to its full potential. The challenge is thus to identify and/or develop tools that allow the utilisation of this valuable resource. The main objective of the research reported in...
We study the complexity of evaluating positive equality-free sentences of first-order (FO) logic over a fixed, finite structure B. This may be seen as a natural generalisation of the non-uniform quantified constraint satisfaction problem QCSP(B). We introduce subjective hyper-endomorphisms and use them in proving a Galois connection that characterises definability in positive equality-free FO. Through...
JASCO Applied Sciences provided acoustic data collection services to Shell Offshore Incorporated in support of their explorations of the Chukchi and Beaufort Seas during the summer of 2007. A total of 37 ocean bottom hydrophones data recording systems were deployed resulting in a data set in excess of 5 TB. This data equates to almost 5 years of continuous sound recording. This campaign provided information...
In automated and manual fingerprint minutiae matching, there exists an assumption that the location of fingerprint minutiae are somewhat random and unique to an individual's finger. However, the published estimates on the uniqueness of fingerprint minutiae configurations vary significantly. In this paper, we present an empirical analysis of fingerprint minutiae distributions as measured from a local,...
Car sharing systems are gaining new members every month. However, few researches are conducted to better understand how these systems are used. In this paper, typical patterns of use of the car sharing system are identified using a transaction database covering a full year of operation. Data mining techniques are used to classify users according to their temporal patterns of car use frequency, traveled...
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