Tree-LSTM

By Stanford NLP

Two Structure

• Child-Sum Tree-LSTM

• N-ary Tree-LSTM

Sentiment Classification

Stanford Sentiment Treebank

Every node in tree has a label

Parsing

sentence

vocab

tree

Glove 
Vector
Gen

Glove vector

Tree
LSTM

Every node has hidden state and input

Classifier

Every node has predicted label

Use constituency Tree

More label to train , performance is better

不花錢的東西

Accuracy : 51%

Still a not-easy task

Sentiment Relatedness

SICK dataset

Use Dependency tree

every pair has
only 1 relatedness_score
1 entailment label

More Robust

Accuracy : 86%