50 search results - page 1 / 10 » Answering Opinion Questions with Random Walks on Graphs |
ACL
2009
14 years 9 months ago
2009
Opinion Question Answering (Opinion QA), which aims to find the authors' sentimental opinions on a specific target, is more challenging than traditional factbased question an...
SIGIR
2006
ACM
15 years 5 months ago
2006
ACM
We present a novel framework for answering complex questions that relies on question decomposition. Complex questions are decomposed by a procedure that operates on a Markov chain...
PAKDD
2010
ACM
15 years 4 months ago
2010
ACM
We present a novel graph ranking model to extract a diverse set of answers for complex questions via random walks over a negative-edge graph. We assign a negative sign to edge weig...
ACL
2008
15 years 1 months ago
2008
EMNLP
2007
15 years 1 months ago
2007
Many systems for tasks such as question answering, multi-document summarization, and information retrieval need robust numerical measures of lexical relatedness. Standard thesauru...