4397 search results - page 16 / 880 » Relational Algebra Operations |
CP
2010
Springer
13 years 5 months ago
2010
Springer
Abstract. We study the lattice structure of sets (monoids) of surjective hyper-operations on an n-element domain. Through a Galois connection, these monoids form the algebraic coun...
UTP
2010
13 years 5 months ago
2010
Abstract. The Unifying Theories of Programming underpins the development of Circus, a state-rich process algebra for refinement. We have previously presented a theory of testing fo...
PEPM
2011
ACM
12 years 10 months ago
2011
ACM
Navigating through tree structures is a core operation in tree processing programs. Most notably, XML processing programs intensively use XPath, the path specification language t...
ICDE
1998
IEEE
14 years 9 months ago
1998
IEEE
Algebraic transformation and optimization techniques have been the method of choice in relational query execution, but applying them in OODBMS is difficult due to the complexity o...
JUCS
2007
13 years 7 months ago
2007
: Since all the algebras connected to logic have, more or less explicitely, an associated order relation, it follows that they have two presentations, dual to each other. We classi...