Investigating Retrieval Method Selection with Axiomatic Features
arXiv:1904.05737
Abstract
We consider algorithm selection in the context of ad-hoc information retrieval. Given a query and a pair of retrieval methods, we propose a meta-learner that predicts how to combine the methods' relevance scores into an overall relevance score. Inspired by neural models' different properties with regard to IR axioms, these predictions are based on features that quantify axiom-related properties of the query and its top ranked documents. We conduct an evaluation on TREC Web Track data and find that the meta-learner often significantly improves over the individual methods. Finally, we conduct feature and query weight analyses to investigate the meta-learner's behavior.
arXiv commentAlgorithm Selection and Meta-Learning in Information Retrieval (AMIR'19) workshop at ECIR'19
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