Sciweavers

ACL
2011
13 years 3 months ago
Identifying Noun Product Features that Imply Opinions
Identifying domain-dependent opinion words is a key problem in opinion mining and has been studied by several researchers. However, existing work has been focused on adjectives an...
Lei Zhang, Bing Liu
ACL
2011
13 years 3 months ago
Can Document Selection Help Semi-supervised Learning? A Case Study On Event Extraction
Annotating training data for event extraction is tedious and labor-intensive. Most current event extraction tasks rely on hundreds of annotated documents, but this is often not en...
Shasha Liao, Ralph Grishman