منابع مشابه
XTFDs: FDs for XML Documents
Functional Dependencies (FDs) are a common constraint for many applications. Specifying FDs in XML documents, however, is difficult because XML documents do not have uniform structures. We introduce XML Template Functional Dependencies (XTFDs), which can specify FDs in XML documents, in this paper. Previously, we defined XTFDs in terms of variables only (Mok, 2005). In this paper, we extend our...
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متن کاملChiral Perturbation Theory for fDS/fD and BBS/BB
The decay constants for the D and DS mesons, denoted fD and fDS respectively, are equal in the SU(3)V limit, as are the hadronic amplitudes for BS−BS and B0−B 0 mixing. The leading SU(3)V violating contribution to (fDS/fD) and to the ratio of hadronic matrix elements relevant for BS − BS and B − B 0 mixing amplitudes are calculated in chiral perturbation theory. We discuss the formalism needed ...
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ژورنال
عنوان ژورنال: British Dental Journal
سال: 2020
ISSN: 0007-0610,1476-5373
DOI: 10.1038/s41415-020-2245-8