128 search results - page 19 / 26 » Logical Data Independence Reconsidered (Extended Abstract) |
105
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DLOG
2007
15 years 1 months ago
2007
Abstract. Concept approximation is an inference service for Description Logics that provides “translations” of concept descriptions from one DL to a less expressive DL. In [4] ...
ICDT
2007
ACM
15 years 5 months ago
2007
ACM
Abstract. We define and study formal privacy guarantees for information integration systems, where sources are related to a public schema by mappings given by source-to-target dep...
102
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IDEAS
2010
IEEE
14 years 9 months ago
2010
IEEE
Abstract. We consider the class of applications that manage time series (TS) and propose a data model and a query language that let these applications manipulate TS data sets at a ...
112
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CORR
2004
Springer
14 years 11 months ago
2004
Springer
Data structures often use an integer variable to keep track of the number of elements they store. An invariant of such data structure is that the value of the integer variable is ...
106
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ICC
2007
IEEE
15 years 5 months ago
2007
IEEE
Abstract—In [1], the author presented a 1+N protection strategy against single link failures using a network coding approach on p-Cycles. In this paper, we extend this approach t...