QA System Metis Based on Semantic Graph Matching at NTCIR 6.
Minoru HaradaYuhei KatoKazuaki TakeharaMasatsuna KawamataKazunori SugimuraJunichi KawaguchiPublished in: NTCIR (2007)
Keyphrases
- graph matching
- graph matching algorithm
- pattern recognition
- object recognition
- error tolerant
- edit distance
- question answering
- pairwise
- graph edit distance
- inexact graph matching
- computer vision and machine learning
- point sets
- tree matching
- matching algorithm
- pattern matching
- semantic similarity
- attributed graphs
- test collection
- natural language
- subgraph isomorphism
- bipartite graph matching
- image matching
- graph partitioning
- vector space
- semantic information
- nearest neighbor
- viewpoint