Identifying off-topic student essays without topic-specific training data.

Derrick Higgins Jill Burstein Y. Attali

Published in: Nat. Lang. Eng. (2006)

Keyphrases

topic specific
training data
topic modeling
focused crawling
web documents
web pages
search engine
web queries
training set
domain knowledge
information gathering
labeled data
web crawler
word pairs
topic models
prior knowledge
decision making
knn
active learning