Looking at Vector Space and Language Models for IR using Density Matrices
QI 2013: Selected Papers of the 7th International Conference on Quantum Interaction - Volume 8369(2014)
摘要
In this work, we conduct a joint analysis of both Vector Space and Language Models for IR using the mathematical framework of Quantum Theory. We shed light on how both models allocate the space of density matrices. A density matrix is shown to be a general representational tool capable of leveraging capabilities of both VSM and LM representations thus paving the way for a new generation of retrieval models. We analyze the possible implications suggested by our findings.
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关键词
Matter Density, Diagonal Density Matrices, Classical Sample Space, Quantum Probability Measure, Conventional Probability Distribution
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