August 17, 2005
Question Answering Passage Retrieval Using
Dependency Parsing
5
/
28
Measuring Sentence Similarity
Sentence
1
Sentence 2
Sim
(
Sent1, Sent2
)
= ?
Matched words
Lexical matching
Similarity of relations
between matched words
+
Similarity of individual
relations
Point out sent1 and sent2 are just for illustration of a generic scenario. In QA, they should be question and candidate sentence.