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Showing 2015 · cs.IRShow all
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cs.IR2015
Pseudo-Query Reformulation
Fernando Diaz
Automatic query reformulation refers to rewriting a user's original query in order to improve the ranking of retrieval results compared to the original query. We present a general…
cs.IR2015
A Polya Urn Document Language Model for Improved Information Retrieval
Ronan Cummins, Jiaul Hoque Paik, Yuanhua Lv
The multinomial language model has been one of the most effective models of retrieval for over a decade. However, the multinomial distribution does not model one important linguist…