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170
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EOR
2007
15 years 6 months ago
2007
The knapsack problem (KP) is generalized to the case where items are partially ordered through a set of precedence relations. As in ordinary KPs, each item is associated with proï...
179
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ELECTRONICMARKETS
2000
15 years 6 months ago
2000
Bringing communities of buyers and sellers together in the arena of electronic commerce stimulates three major potentials: the building of trust, the collection and effective use ...
156
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ECRA
2002
15 years 6 months ago
2002
Two beliefs, ease of use and usefulness, have been considered to be fundamental in determining the acceptance of various IS in the past decades. These beliefs may not, however, fu...
120
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ENTCS
2002
15 years 6 months ago
2002
Building on previous work [15,8], this paper describes two syntactic ways of defining `well-behaved' operational semantics for timed processes. In both cases, the rules are d...
174
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ENTCS
2002
15 years 6 months ago
2002
In this paper we show that it is possible to model observable behaviour of coalgebras independently from their internal dynamics, but within the general framework of representing ...