Metric Learning for Ordered Labeled Trees with pq-grams.

Hikaru Shindo Masaaki Nishino Yasuaki Kobayashi Akihiro Yamamoto

Published in: ECAI (2020)

Keyphrases

ordered labeled trees
metric learning
labeled trees
distance metric
pairwise

xml documents
semi supervised
dimensionality reduction
distance function
multi task

learning tasks
mahalanobis metric
semi supervised learning
feature space
euclidean distance

unsupervised learning
similarity search
database systems
nearest neighbor
similarity measure