1418 search results - page 100 / 284 » Schema polynomials and applications |
156
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ICDT
2007
ACM
15 years 10 months ago
2007
ACM
Abstract. We introduce approximate data exchange, by relaxing classical data exchange problems such as Consistency and Typechecking to their approximate versions based on Property ...
190
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CCS
2008
ACM
15 years 8 months ago
2008
ACM
We propose an approach for the selective enforcement of access control restrictions in, possibly distributed, large data collections based on two basic concepts: i) flexible autho...
131
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CORR
2008
Springer
15 years 6 months ago
2008
Springer
Abstract. We study the succinctness of the complement and intersection of regular expressions. In particular, we show that when constructing a regular expression defining the compl...
173
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IANDC
2011
15 years 1 months ago
2011
Query answering algorithms on Xml streams check answer candidates on the fly in order to avoid the unnecessary buffering whenever possible. The delay and concurrency of a query ...
145
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ICCV
1999
IEEE
16 years 8 months ago
1999
IEEE
We describe two direct quasilinear methods for camera pose (absolute orientation) and calibration from a single image of 4 or 5 known 3D points. They generalize the 6 point `Direc...