785 search results - page 44 / 157 » An Algebra of Hierarchical Graphs |
SKG
2006
IEEE
14 years 3 months ago
2006
IEEE
Data Grid is one of the important research subjects in the field of Grid Computing. To get a high efficiency of the system, this paper proposes a set of novel multicast algorithms...
ECHT
1992
14 years 2 months ago
1992
We present a model for data organized as graphs. Regular expressions over the types of the node and edge labels are used to qualify connected subgraphs. An algebraic language base...
CSR
2009
Springer
13 years 11 months ago
2009
Springer
We study the approximability of the maximum solution problem. This problem is an optimisation variant of the constraint satisfaction problem and it captures a wide range of interes...
FSTTCS
2008
Springer
13 years 11 months ago
2008
Springer
Several recent works have studied subfamilies of deterministic context-free languages with good closure properties, for instance the families of input-driven or visibly pushdown la...
PG
2007
IEEE
14 years 4 months ago
2007
IEEE
We describe a new algorithm for the visualisation of implicit algebraic curves, which isolates the singular points, compute the topological degree around these points in order to ...