Comma Resolution  

[Run Demo]

Commas express implicit relations between elements of a sentence. Identifying these implicit relations is important for tasks like Textual Entailment, Question Answering and Text Mining.

For example, consider the following three sentences

1. The authorities have arrested John Smith, a retired policeman.
2. The authorities have arrested John Smith, a retired policeman said.
3. The authorities have arrested John Smith, his friend and his brother.

The first sentence tells us that John Smith is a retired policeman. There is no relation between John Smith and the policeman in the second one, while the third sentence contains a list.

Comma Resolution is the task of identifying implicit relations defined by commas. This demo shows our comma resolution system in action. It uses the phrase structure of a sentence to decompose sentences based on the comma.