26 search results - page 1 / 6 » Improving the Performance of the Random Walk Model for Answe... |
ACL
2008
13 years 6 months ago
2008
SIGIR
2006
ACM
13 years 10 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
13 years 9 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...
CORR
2012
Springer
12 years 10 days ago
2012
Springer
Graphs are fundamental data structures and have been employed for centuries to model real-world systems and phenomena. Random walk with restart (RWR) provides a good proximity sco...
ACL
2009
13 years 2 months ago
2009
In this paper, we analyze the impact of different automatic annotation methods on the performance of supervised approaches to the complex question answering problem (defined in th...