How to find out if a sentence is a question (interrogative)?

Question

Is there an open source Java library/algorithm for finding if a particular piece of text is a question or not?
I am working on a question answering system that needs t

Answer 1

Take a look at Link Grammar Parser It is a multi-language parser based on the concept of link pairs of related words in the sentence. It is written in C, but has a Java JNI interface as well.