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BMX: A Freshly Baked Take on BM25
Introducing BMX, an iteration on the industry standard BM25 search algorithm. Through the incorporation of entropy-weighted query-document similarity and weighted query augmentation, the algorithm can increase search performance on the most relevant information retrieval benchmarks.
TLDR: Our new BMX search algorithm iterates on the long-standing industry standard and can be accessed via our fully open-source Baguetter library. The results highlight that the WQA mechanism successfully enhances BMX’s semantic understanding, enabling it to handle realistic retrieval scenarios more effectively than alternative solutions. Improving the quality of lexical search without a significant increase in complexity or computational resource requirements could lead to a range of beneficial outcomes.
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