1671 search results - page 170 / 335 » Hierarchical graph maps |
174
click to vote
GIS
2009
ACM
15 years 10 months ago
2009
ACM
The essential elements of any navigation system are a shortest-path algorithm and accurate map data. The contribution of this work is two-fold. First, the HBA algorithm, an effici...
151
click to vote
GD
2009
Springer
15 years 9 months ago
2009
Springer
We describe an algorithm for radial layout of undirected graphs, in which nodes are constrained to concentric circles centered at the origin. Such constraints are typical, e.g., i...
176
click to vote
EJC
2010
15 years 6 months ago
2010
Abstract. In this paper we study dualities of graphs and, more generally, relational structures with respect to full homomorphisms, that is, mappings that are both edge- and non-ed...
161
click to vote
FQAS
2006
Springer
15 years 10 months ago
2006
Springer
We present a functional model for the analysis of large volumes of detailed transactional data, accumulated over time. In our model, the data schema is an acyclic graph with a sing...
158
click to vote
ESANN
2007
15 years 8 months ago
2007
We present a generative probabilistic model for the topographic mapping of tree structured data. The model is formulated as constrained mixture of hidden Markov tree models. A nat...