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09/18/2023
How Much Freedom Does An Effectiveness Metric Really Have?
It is tempting to assume that because effectiveness metrics have free ch...
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06/29/2023
Exploring the Representation Power of SPLADE Models
The SPLADE (SParse Lexical AnD Expansion) model is a highly effective ap...
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11/11/2022
Efficient Immediate-Access Dynamic Indexing
In a dynamic retrieval system, documents must be ingested as they arrive...
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04/24/2022
Faster Learned Sparse Retrieval with Guided Traversal
Neural information retrieval architectures based on transformers such as...
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12/06/2021
A Sensitivity Analysis of the MSMARCO Passage Collection
The recent MSMARCO passage retrieval collection has allowed researchers ...
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10/22/2021
Wacky Weights in Learned Sparse Representations and the Revenge of Score-at-a-Time Query Evaluation
Recent advances in retrieval models based on learned sparse representati...
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04/18/2021
Anytime Ranking on Document-Ordered Indexes
Inverted indexes continue to be a mainstay of text search engines, allow...
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03/18/2020
Supporting Interoperability Between Open-Source Search Engines with the Common Index File Format
There exists a natural tension between encouraging a diverse ecosystem o...
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11/15/2018