Real-Time Open-Domain Question Answering with Dense-Sparse Phrase Index

ACL 2019 Minjoon SeoJinhyuk LeeTom KwiatkowskiAnkur P. ParikhAli FarhadiHannaneh Hajishirzi

Existing open-domain question answering (QA) models are not suitable for real-time usage because they need to process several long documents on-demand for every input query. In this paper, we introduce the query-agnostic indexable representation of document phrases that can drastically speed up open-domain QA and also allows us to reach long-tail targets... (read more)

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