Sciweavers

650 search results - page 65 / 130
» On Coalgebras over Algebras
Sort
View
JCT
2010
79views more  JCT 2010»
13 years 2 months ago
Confinement of matroid representations to subsets of partial fields
Let M be a matroid representable over a (partial) field and B a matrix representable over a sub-partial field . We say that B confines M to if, whenever a -representation matrix ...
Rudi Pendavingh, Stefan H. M. van Zwam
CAI
2011
Springer
12 years 11 months ago
Theme and Variations on the Concatenation Product
Abstract. The concatenation product is one of the most important operations on regular languages. Its study requires sophisticated tools from algebra, finite model theory and pro...
Jean-Éric Pin
WEBDB
2005
Springer
105views Database» more  WEBDB 2005»
14 years 1 months ago
On the Expressive Power of Node Construction in XQuery
In the relational model it has been shown that the flat relational algebra has the same expressive power as the nested relational algebra, as far as queries over flat relations ...
Wim Le Page, Jan Hidders, Philippe Michiels, Jan P...
SEMWEB
2009
Springer
14 years 8 days ago
Reasoning With Provenance, Trust and all that other Meta Knowlege in OWL
Abstract—For many tasks, such as the integration of knowledge bases in the semantic web, one must not only handle the knowledge itself, but also characterizations of this knowled...
Simon Schenk, Renata Queiroz Dividino, Steffen Sta...
DIAGRAMS
2006
Springer
13 years 11 months ago
The Mathematics of Boundaries: A Beginning
The intuitive properties of configurations of planar non-overlapping closed curves (boundaries) are presented as a pure boundary mathematics. The mathematics, which is not incorpor...
William Bricken