43 search results - page 1 / 9 » Dependency Tree Kernels for Relation Extraction |
ACL
2004
13 years 5 months ago
2004
We extend previous work on tree kernels to estimate the similarity between the dependency trees of sentences. Using this kernel within a Support Vector Machine, we detect and clas...
AIRS
2008
Springer
13 years 10 months ago
2008
Springer
Abstract. In this paper, we mainly explore the effectiveness of two kernelbased methods, the convolution tree kernel and the shortest path dependency kernel, for Chinese relation e...
ACL
2006
13 years 5 months ago
2006
This paper proposes a novel composite kernel for relation extraction. The composite kernel consists of two individual kernels: an entity kernel that allows for entity-related feat...
COLING
2008
13 years 5 months ago
2008
This paper proposes a new approach to dynamically determine the tree span for tree kernel-based semantic relation extraction. It exploits constituent dependencies to keep the node...
ACL
2009
13 years 2 months ago
2009
The automatic extraction of relations between entities expressed in natural language text is an important problem for IR and text understanding. In this paper we show how differen...