4961 search results - page 68 / 993 » Homomorphism-Homogeneous Relational Structures |
ISAAC
2010
Springer
13 years 8 months ago
2010
Springer
We study line systems in metric spaces induced by graphs. A line is a subset of vertices defined by a relation of betweeness. We show that the class of all graphs having exactly k ...
ACL
2009
13 years 7 months ago
2009
This paper describes log-linear models for a general-purpose sentence realizer based on dependency structures. Unlike traditional realizers using grammar rules, our method realize...
JUCS
2010
13 years 4 months ago
2010
: We initiate in this work the study of a sort of redundancy problem revealed by what we call redundant relations. Roughly, we define a redundant relation in a database instance (d...
LICS
2006
IEEE
14 years 4 months ago
2006
IEEE
Logical properties of iterations of relational structures are studied and these decidability results are applied to the model checking of a powerful extension of pushdown systems....
ILP
1999
Springer
14 years 2 months ago
1999
Springer
Most real-world data is heterogeneous and richly interconnected. Examples include the Web, hypertext, bibliometric data and social networks. In contrast, most statistical learning...