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AAAI
2012
13 years 9 months ago
Improving Twitter Retrieval by Exploiting Structural Information
Most Twitter search systems generally treat a tweet as a plain text when modeling relevance. However, a series of conventions allows users to tweet in structural ways using combin...
Zhunchen Luo, Miles Osborne, Sasa Petrovic, Ting W...
FQAS
2009
Springer
129views Database» more  FQAS 2009»
16 years 1 months ago
Representing Context Information for Document Retrieval
The bag of words representation (BoW), which is widely used in information retrieval (IR), represents documents and queries as word lists that do not express anything about context...
Maya Carrillo, Esaú Villatoro-Tello, Aureli...
CLEF
2010
Springer
15 years 7 months ago
A Question Answering System based on Information Retrieval and Validation
Abstract. Our participation at ResPubliQA 2010 was based on applying an Information Retrieval (IR) engine of high performance and a validation step for removing incorrect answers. ...
Álvaro Rodrigo, Joaquín Pérez...
ICML
2009
IEEE
16 years 7 months ago
Interactively optimizing information retrieval systems as a dueling bandits problem
We present an on-line learning framework tailored towards real-time learning from observed user behavior in search engines and other information retrieval systems. In particular, ...
Yisong Yue, Thorsten Joachims
FPL
2009
Springer
78views Hardware» more  FPL 2009»
15 years 11 months ago
FPGA-accelerated Information Retrieval: High-efficiency document filtering
Power consumption in data centres is a growing issue as the cost of the power for computation and cooling has become dominant. An emerging challenge is the development of “envir...
Wim Vanderbauwhede, Leif Azzopardi, Mahmoud Moadel...