Metric Learning for Ordered Labeled Trees with pq-grams.
Hikaru ShindoMasaaki NishinoYasuaki KobayashiAkihiro YamamotoPublished 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