117 search results - page 15 / 24 » Relation Algebra Operations on Formal Contexts |
MSCS
1998
14 years 9 months ago
1998
The context of this article is the program to develop monoidal bicategories with a feedback operation as an algebra of processes, with applications to concurrency theory. The obje...
FCS
2006
14 years 11 months ago
2006
: Many of the Internet's problems are related to names. There are many empirical ideas of the further development of naming on the Internet. However, there are no theoretical ...
IS
2007
14 years 9 months ago
2007
Preference queries are relational algebra or SQL queries that contain occurrences of the winnow operator (find the most preferred tuples in a given relation). Such queries are pa...
ESORICS
2007
Springer
15 years 1 months ago
2007
Springer
As the XML model gets more popular, new needs arise to specify access control within XML model. Various XML access control models and enforcement methods have been proposed recentl...
EUSFLAT
2009
14 years 7 months ago
2009
Abstract-- An L-fuzzy context is a triple consisting of a set of objects, a set of attributes and an L-fuzzy binary relation between them. An l-cut is a classical context over the ...