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GISCIENCE
2008
Springer
13 years 8 months ago
2008
Springer
A trajectory is the time-stamped path of a moving entity through space. Given a set of trajectories, this paper proposes new conceptual definitions for a spatio-temporal pattern n...
SEMWEB
2010
Springer
13 years 5 months ago
2010
Springer
The Web of Linked Data is characterized by linking structured data from different sources using equivalence statements, such as owl:sameAs, as well as other types of linked propert...
POPL
2007
ACM
14 years 8 months ago
2007
ACM
Massive amounts of useful data are stored and processed in ad hoc formats for which common tools like parsers, printers, query engines and format converters are not readily availa...
ICDM
2007
IEEE
14 years 1 months ago
2007
IEEE
We present a new generative model for relational data in which relations between objects can have either a binding or a separating effect. For example, in a group of students sep...
ER
2007
Springer
14 years 1 months ago
2007
Springer
In this paper we study the problem of schema exchange, a natural extension of the data exchange problem to an intensional level. To this end, we first introduce the notion of sche...