Unsupervised Ensemble of Ranking Models for News Comments Using Pseudo Answers.

Soichiro Fujita Hayato Kobayashi Manabu Okumura

Published in: ECIR (2) (2020)

Keyphrases

ranking models
learning to rank
ranking functions
web search
news articles
benchmark datasets
information retrieval
ranking algorithm
ensemble methods
loss function
directly optimize
supervised learning
learning to rank algorithms
semi supervised
social media
keywords
training data
learning algorithm
training set