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Aufsatz
Fast computation of concept lattices using data mining techniques
(2000)
We present a new algorithm called TITANIC for computing concept lattices. It is based on data mining techniques for computing frequent itemsets. The algorithm is experimentally evaluated and compared with B. Ganter's Next-Closure algorithm.
Aufsatz
Gone with the internet - How the old education was lost
(2015-04-08)
Despite its young history, Computer Science Education has seen a number of "revolutions". Being a
veteran in the field, the author reflects on the many changes he has seen in computing and its teaching.
The intent of this personal collection is to point out that most revolutions came unforeseen and that
many of the new learning initiatives, despite high financial input, ultimately failed.
The author then considers the current revolution (MOOC, inverted lectures, peer instruction, game
design) and, based on the ...
Aufsatz
Alternative plant protein sources for pigs and chickens in the tropics – nutritional value and constraints: a review
(Kassel University Press, 2012)
In the tropics, a large number of smallholder farms contribute significantly to food security by raising pigs and poultry for domestic consumption and for sale on local markets. The high cost and, sometimes, the lack of availability of commercial protein supplements is one of the main limitations to efficient animal production by smallholders. Locally-grown forages and grain legumes offer ecological benefits such as nitrogen fixation, soil improvement, and erosion control which contribute to improve cropping efficiency. ...
Aufsatz
Is export orientation a major motivator for the adoption of food safety systems in the Turkish dried fig firms?
(Kassel University Press, 2012)
Food safety management systems (FSMSs) and the scrutinisation of the food safety practices that are intended for adoption on the firm level both offer strategic value to the dried fig sector. This study aims to prove the hypothesis that export orientation is a major motivating force for the adoption of food safety systems in the Turkish dried fig firms. Data were obtained from 91 dried fig firms located in Aydin, Turkey. Interviews were carried out with firms’ managers/owners using a face-to-face questionnaire designed ...
Aufsatz
Effects of dietary lipid source on growth, digestibility and tissue fatty acid composition of Heterobranchus longifilis fingerlings
(Kassel University Press, 2012)
One of the major problems facing aquaculture is the inadequate supply of fish oil mostly used for fish feed manufacturing. The continued growth in aquaculture production cannot depend on this finite feed resources, therefore, it is imperative that cheap and readily available substitutes that do not compromise fish growth and fillet quality be found. To achieve this, a 12-week feeding trial with Heterobranchus longifilis fed diets differing in lipid source was conducted. Diets were supplemented with 6% lipid as fish ...