2294 search results - page 415 / 459 » From Path Graphs to Directed Path Graphs |
INTERNET
2007
13 years 9 months ago
2007
evel of abstraction, we can represent a workflow as a directed graph with operators (or tasks) at the vertices (see Figure 1). Each operator takes inputs from data sources or from ...
LACL
2011
Springer
12 years 12 months ago
2011
Springer
The problem of generating referring expressions (GRE) is an important task in natural language generation. In this paper, we advocate for the use of logical languages in the output...
SIGECOM
2011
ACM
12 years 12 months ago
2011
ACM
While social interactions are critical to understanding consumer behavior, the relationship between social and commerce networks has not been explored on a large scale. We analyze...
CP
2011
Springer
12 years 9 months ago
2011
Springer
We introduce tractable classes of VCSP instances based on convex cost functions. Firstly, we show that the class of VCSP instances satisfying the hierarchically nested convexity pr...
CSR
2010
Springer
14 years 1 months ago
2010
Springer
Algorithmic tools for graphs of small treewidth are used to address questions in complexity theory. For both arithmetic and Boolean circuits, it is shown that any circuit of size ...