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Salient Phrase Aware Dense Retrieval: Can a Dense Retriever Imitate a Sparse One?


Oct 13, 2021
Xilun Chen, Kushal Lakhotia, Barlas O─čuz, Anchit Gupta, Patrick Lewis, Stan Peshterliev, Yashar Mehdad, Sonal Gupta, Wen-tau Yih


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A Few More Examples May Be Worth Billions of Parameters


Oct 08, 2021
Yuval Kirstain, Patrick Lewis, Sebastian Riedel, Omer Levy


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Challenges in Generalization in Open Domain Question Answering


Sep 02, 2021
Linqing Liu, Patrick Lewis, Sebastian Riedel, Pontus Stenetorp


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Domain-matched Pre-training Tasks for Dense Retrieval


Jul 28, 2021
Barlas O─čuz, Kushal Lakhotia, Anchit Gupta, Patrick Lewis, Vladimir Karpukhin, Aleksandra Piktus, Xilun Chen, Sebastian Riedel, Wen-tau Yih, Sonal Gupta, Yashar Mehdad


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PAQ: 65 Million Probably-Asked Questions and What You Can Do With Them


Feb 13, 2021
Patrick Lewis, Yuxiang Wu, Linqing Liu, Pasquale Minervini, Heinrich K├╝ttler, Aleksandra Piktus, Pontus Stenetorp, Sebastian Riedel


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NeurIPS 2020 EfficientQA Competition: Systems, Analyses and Lessons Learned


Jan 01, 2021
Sewon Min, Jordan Boyd-Graber, Chris Alberti, Danqi Chen, Eunsol Choi, Michael Collins, Kelvin Guu, Hannaneh Hajishirzi, Kenton Lee, Jennimaria Palomaki, Colin Raffel, Adam Roberts, Tom Kwiatkowski, Patrick Lewis, Yuxiang Wu, Heinrich K├╝ttler, Linqing Liu, Pasquale Minervini, Pontus Stenetorp, Sebastian Riedel, Sohee Yang, Minjoon Seo, Gautier Izacard, Fabio Petroni, Lucas Hosseini, Nicola De Cao, Edouard Grave, Ikuya Yamada, Sonse Shimaoka, Masatoshi Suzuki, Shumpei Miyawaki, Shun Sato, Ryo Takahashi, Jun Suzuki, Martin Fajcik, Martin Docekal, Karel Ondrej, Pavel Smrz, Hao Cheng, Yelong Shen, Xiaodong Liu, Pengcheng He, Weizhu Chen, Jianfeng Gao, Barlas Oguz, Xilun Chen, Vladimir Karpukhin, Stan Peshterliev, Dmytro Okhonko, Michael Schlichtkrull, Sonal Gupta, Yashar Mehdad, Wen-tau Yih

* 26 pages 

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Answering Complex Open-Domain Questions with Multi-Hop Dense Retrieval


Sep 27, 2020
Wenhan Xiong, Xiang Lorraine Li, Srini Iyer, Jingfei Du, Patrick Lewis, William Yang Wang, Yashar Mehdad, Wen-tau Yih, Sebastian Riedel, Douwe Kiela, Barlas O─čuz


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KILT: a Benchmark for Knowledge Intensive Language Tasks


Sep 04, 2020
Fabio Petroni, Aleksandra Piktus, Angela Fan, Patrick Lewis, Majid Yazdani, Nicola De Cao, James Thorne, Yacine Jernite, Vassilis Plachouras, Tim Rockt├Ąschel, Sebastian Riedel


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Question and Answer Test-Train Overlap in Open-Domain Question Answering Datasets


Aug 06, 2020
Patrick Lewis, Pontus Stenetorp, Sebastian Riedel


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Retrieval-Augmented Generation for Knowledge-Intensive NLP Tasks


May 22, 2020
Patrick Lewis, Ethan Perez, Aleksandara Piktus, Fabio Petroni, Vladimir Karpukhin, Naman Goyal, Heinrich K├╝ttler, Mike Lewis, Wen-tau Yih, Tim Rockt├Ąschel, Sebastian Riedel, Douwe Kiela


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How Context Affects Language Models' Factual Predictions


May 10, 2020
Fabio Petroni, Patrick Lewis, Aleksandra Piktus, Tim Rockt├Ąschel, Yuxiang Wu, Alexander H. Miller, Sebastian Riedel

* accepted at AKBC 2020 

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Dense Passage Retrieval for Open-Domain Question Answering


May 02, 2020
Vladimir Karpukhin, Barlas O─čuz, Sewon Min, Patrick Lewis, Ledell Wu, Sergey Edunov, Danqi Chen, Wen-tau Yih

* corrected typos in Table 3; add a paragraph in Sec. 6.2 

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Unsupervised Question Decomposition for Question Answering


Feb 22, 2020
Ethan Perez, Patrick Lewis, Wen-tau Yih, Kyunghyun Cho, Douwe Kiela


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MLQA: Evaluating Cross-lingual Extractive Question Answering


Nov 07, 2019
Patrick Lewis, Barlas O─čuz, Ruty Rinott, Sebastian Riedel, Holger Schwenk


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Language Models as Knowledge Bases?


Sep 04, 2019
Fabio Petroni, Tim Rockt├Ąschel, Patrick Lewis, Anton Bakhtin, Yuxiang Wu, Alexander H. Miller, Sebastian Riedel

* accepted at EMNLP 2019 

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Unsupervised Question Answering by Cloze Translation


Jun 27, 2019
Patrick Lewis, Ludovic Denoyer, Sebastian Riedel

* To appear in ACL 2019 

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Interpretation of Natural Language Rules in Conversational Machine Reading


Aug 28, 2018
Marzieh Saeidi, Max Bartolo, Patrick Lewis, Sameer Singh, Tim Rockt├Ąschel, Mike Sheldon, Guillaume Bouchard, Sebastian Riedel

* EMNLP 2018 

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