A Probabilistic Fusion Framework
ACM International Conference on Information and Knowledge Management(2016)
摘要
There are numerous methods for fusing document lists retrieved from the same corpus in response to a query. Many of these methods are based on seemingly unrelated techniques and heuristics. Herein we present a probabilistic framework for the fusion task. The framework provides a formal basis for deriving and explaining many fusion approaches and the connections between them. Instantiating the framework using various estimates yields novel fusion methods, some of which significantly outperform state-of-the-art approaches.
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关键词
fusion,meta fusion,ad hoc retrieval
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