524 search results - page 4 / 105 » Temporal reachability graphs |
CORR
2010
Springer
13 years 5 months ago
2010
Springer
FCT
2009
Springer
13 years 11 months ago
2009
Springer
We show that the reachability problem for directed graphs that are either K3,3-free or K5-free is in unambiguous log-space, UL coUL. This significantly extends the result of Bour...
COCO
2006
Springer
13 years 11 months ago
2006
Springer
We study the complexity of restricted versions of s-t-connectivity, which is the standard complete problem for NL. In particular, we focus on different classes of planar graphs, o...
ICDE
2006
IEEE
14 years 8 months ago
2006
IEEE
Graph reachability is fundamental to a wide range of applications, including XML indexing, geographic navigation, Internet routing, ontology queries based on RDF/OWL, etc. Many ap...
PLDI
2004
ACM
14 years 26 days ago
2004
ACM
Many program analyses can be reduced to graph reachability problems involving a limited form of context-free language reachability called Dyck-CFL reachability. We show a new redu...