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Search & information retrieval

Improving how people discover, understand, and use information through advances in search and retrieval.

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Glider

We release Glider, a reinforcement learning agent to extract UI scripts from the web. Given a website URL (e.g., http://www.unitconversion.org/ (opens in new tab)) and a task description in natural language (e.g., “convert length 7333…

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Intra-Document Cascading: Learning to Select Passages for Neural Document Ranking

Sebastian Hofstatter, Bhaskar Mitra, Hamed Zamani, Nick Craswell, Allan Hanbury

Proceedings of the 44th international ACM SIGIR conference on Research & development in information retrieval | May 2021

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FreshDiskANN: A Fast and Accurate Graph-Based ANN Index for Streaming Similarity Search

Harsha Simhadri, Ravishankar Krishnaswamy

May 2021

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Not All Relevance Scores are Equal: Efficient Uncertainty and Calibration Modeling for Deep Retrieval Models

Daniel Cohen, Bhaskar Mitra, Oleg Lesota, Navid Rekabsaz, Carsten Eickhoff

Proceedings of the 44th international ACM SIGIR conference on Research & development in information retrieval | May 2021

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distPURL

An SDK that provides the tools necessary to improve ranking by combining distance embeddings using integer linear programming (ILP; https://arxiv.org/abs/2005.10700 (opens in new tab)). This results in a more accurate optimized ranking of nodes relative…

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Approximate nearest neighbor Negative Contrastive Estimation (ANCE)

A novel embedding training algorithm leveraging ANN search and achieved SOTA retrieval on Trec DL 2019 and OpenQA benchmarks.

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A Deeper Investigation of the Importance of Wikipedia Links to Search Engine Results

Nicholas Vincent, Brent Hecht

Proceedings of the ACM on Human-Computer Interaction | April 2021

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Match Plan Generation in Web Search with Parameterized Action Reinforcement Learning

Ziyan Luo, Linfeng Zhao, Wei Cheng, Sihao Chen, Qi Chen, Hui Xue, Haidong Wang, Chuanjie Liu, Mao Yang, Lintao Zhang

The Web Conference | April 2021

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Contrastive Multi-document Question Generation

Woon Sang Cho, Yizhe Zhang, Sudha Rao, Asli Celikyilmaz, Chenyan Xiong, Jianfeng Gao, Mengdi Wang, Bill Dolan

European Chapter of the Association for Computational Linguistics (EACL) | April 2021

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Approximate Nearest Neighbor Negative Contrastive Learning for Dense Text Retrieval

Lee Xiong, Chenyan Xiong, Ye Li, Kwok-Fung Tang, Jialin Liu, Paul Bennett, Junaid Ahmed, Arnold Overwijk

International Conference on Learning Representations (ICLR) | April 2021

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