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» On Computable Tree Functions
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GD
2009
Springer
15 years 9 months ago
On the Characterization of Level Planar Trees by Minimal Patterns
We consider characterizations of level planar trees. Healy et al. [8] characterized the set of trees that are level planar in terms of two minimal level non-planar (MLNP) patterns....
Alejandro Estrella-Balderrama, J. Joseph Fowler, S...
SIGGRAPH
2000
ACM
15 years 9 months ago
Computer-generated pen-and-ink illustration of trees
We present a method for automatically rendering pen-and-ink illustrations of trees. A given 3-d tree model is illustrated by the tree and a visual representation of the foliage us...
Oliver Deussen, Thomas Strothotte
CGI
1998
IEEE
15 years 9 months ago
Hierarchical Visibility Culling with Occlusion Trees
In the scope of rendering complex models with high depth complexity, it is of great importance to design outputsensitive algorithms, i.e., algorithms with the time complexity prop...
Jirí Bittner, Vlastimil Havran, Pavel Slav&...
ICNP
1998
IEEE
15 years 9 months ago
OTERS: (On-Tree Efficient Recovery using Subcasting): A Reliable Multicast Protocol
This paper presents a reliable multicast protocol (OTERS) that organizes receivers into a fusion tree that matches the multicast delivery tree of the source and uses this tree to ...
Dan Li, David R. Cheriton
NAACL
2010
15 years 2 months ago
Tree Edit Models for Recognizing Textual Entailments, Paraphrases, and Answers to Questions
We describe tree edit models for representing sequences of tree transformations involving complex reordering phenomena and demonstrate that they offer a simple, intuitive, and eff...
Michael Heilman, Noah A. Smith