Estimating interference in the QPRP for subtopic retrieval
- Zuccon, Guido
- Azzopardi, Leif
- Hauff, C.
- van Rijsbergen, C.J. Keith
Publication date
July 2010
DOI Publisher
Association for Computing Machinery (ACM)Abstract
The Quantum Probability Ranking Principle (QPRP) has been recently proposed, and accounts for interdependent document relevance when ranking. However, to be instantiated, the QPRP requires a method to approximate the "interference" between two documents. In this poster, we empirically evaluate a number of different methods of approximation on two TREC test collections for subtopic retrieval. It is shown that these approximations can lead to significantly better retrieval performance over the state of the art
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