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162
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DEBS
2008
ACM
15 years 8 months ago
2008
ACM
In event stream applications, events flow through a network of components that perform various types of operations, e.g., filtering, aggregation, transformation. When the operatio...
184
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ECOOP
2008
Springer
15 years 8 months ago
2008
Springer
One of the most important decisions about the architecture of a server program is its concurrency mechanisms. However, a good concurrency model for general-purpose server programs ...
182
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ER
2008
Springer
15 years 8 months ago
2008
Springer
Modern information systems, and web information systems in particular, are faced with frequent database schema changes, which generate the necessity to manage them and preserve the...
169
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ATMOS
2007
15 years 8 months ago
2007
In this paper we study a general formulation of the train platforming problem, which contains as special cases all the versions previously considered in the literature as well as a...
164
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ATMOS
2007
15 years 8 months ago
2007
We discuss timetables in ex-urban bus traffic that consist of many trips serviced every day together with some exceptions that do not repeat daily. Traditional optimization methods...