5 search results - page 1 / 1 » Constant Complements, Reversibility and Universal View Updat... |
AMAST
2008
Springer
13 years 6 months ago
2008
Springer
The algebraic specification of information systems (including
ICFP
2007
ACM
14 years 4 months ago
2007
ACM
Bidirectional transformation is a pair of transformations: a view function and a backward transformation. A view function maps one data structure called source onto another called...
JUCS
2010
13 years 3 months ago
2010
: The classical (Bancilhon-Spyratos) correspondence between view update translations and views with a constant complement reappears more generally as the correspondence between upd...
JUCS
2010
12 years 11 months ago
2010
: Although a database view embodies partial information about the state of the main schema, the state of the view schema is a quotient (and not a subset) of the state of the main s...
KDD
2004
ACM
14 years 5 months ago
2004
ACM
Many real life sequence databases, such as customer shopping sequences, medical treatment sequences, etc., grow incrementally. It is undesirable to mine sequential patterns from s...