135 search results - page 2 / 27 » Multinomial Randomness Models for Retrieval with Document Fi... |
CIKM
2008
Springer
13 years 9 months ago
2008
Springer
In this paper we propose an extension of the PLSA model in which an extra latent variable allows the model to cocluster documents and terms simultaneously. We show on three datase...
SIGIR
2009
ACM
14 years 1 months ago
2009
ACM
When search is against structured documents, it is beneficial to extract information from user queries in a format that is consistent with the backend data structure. As one step...
NIPS
2008
13 years 8 months ago
2008
This paper studies global ranking problem by learning to rank methods. Conventional learning to rank methods are usually designed for `local ranking', in the sense that the r...
NIPS
2004
13 years 8 months ago
2004
Directed graphical models with one layer of observed random variables and one or more layers of hidden random variables have been the dominant modelling paradigm in many research ...
IR
2006
13 years 7 months ago
2006
The ability to find tables and extract information from them is a necessary component of many information retrieval tasks. Documents often contain tables in order to communicate d...