16843 search results - page 17 / 3369 » On Generalized Authorization Problems |
COCOA
2007
Springer
14 years 2 months ago
2007
Springer
Abstract. We study the complexity of several coloring problems on graphs, parameterized by the treewidth t of the graph: (1) The list chromatic number χl(G) of a graph G is defin...
ICALP
2009
Springer
14 years 8 months ago
2009
Springer
We examine several online matching problems, with applications to Internet advertising reservation systems. Consider an edge-weighted bipartite graph G, with partite sets L, R. We...
HEURISTICS
2010
13 years 2 months ago
2010
Operation management of underground passenger transport systems is associated with combinatorial optimization problems (known as crew and train scheduling and rostering) which bel...
MMMACNS
2001
Springer
14 years 12 days ago
2001
Springer
Abstract. We present a new model that provides clear and precise semantics for authorization. The semantics is independent from underling security mechanisms and is separate from i...
MAICS
2004
13 years 9 months ago
2004
This paper describes the development of algorithms for extracting the title and the names of the authors from documents available on the World Wide Web. In this paper we describe ...