illustration of magnifying glass over top of a search bar and lines of content on a green gradient background

Search and information retrieval

two sets of chat boxes with likes and dislikes

On Overcoming Miscalibrated Conversational Priors in LLM-based Chatbots

Result Diversification in Search and Recommendation: A Survey

ICRA 2024 conference recap blog - RASCAL library

RASCAL: Novel robotics for scalable and highly available automated storage and retrieval

Interpretable User Satisfaction Estimation for Conversational Systems with Large Language Models

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Knowledge and Language Team

The Knowledge and Language Team focuses on cutting edge research and development of the next generation framework for knowledge and natural language processing.

Publication

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

2021 The Web Conference | April 2021

Publication

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

Project

Publication

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

Github

Publication

Improving Transformer-Kernel Ranking Model Using Conformer and Query Term Independence

Bhaskar Mitra, Sebastian Hofstatter, Hamed Zamani, Nick Craswell

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

Publication

TREC Deep Learning Track: Reusable Test Collections in the Large Data Regime

Nick Craswell, Bhaskar Mitra, Emine Yilmaz, Daniel Campos, Ellen M. Voorhees, Ian Soboroff

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

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Publication

MS MARCO: Benchmarking Ranking Models in the Large-Data Regime

Nick Craswell, Bhaskar Mitra, Emine Yilmaz, Daniel Campos, Jimmy Lin

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

Access

Publication

FedPS: A Privacy Protection Enhanced Personalized Search Framework

Jing Yao, Zhicheng Dou, Ji-Rong Wen

2021 The Web Conference | April 2021

Tool

Conformer-Kernel Model with Query Term Independence (TREC Deep Learning Quick Start)

This is a quick start guide for the document ranking task in the TREC Deep Learning (TREC-DL) (opens in new tab) benchmark. If you are new to TREC-DL, then this repository may make it more…

GitHub Publication

Video

Neural Information Retrieval: In search of meaningful progress (CIIR Talk Series, University of Massachusetts Amherst)

March 12, 2021 | Bhaskar Mitra

The emergence of deep learning based methods for search poses several challenges and opportunities not just for modeling, but also for benchmarking and measuring progress in the field. Some of these challenges are new, while…

01:08:56

Search and information retrieval

Highlights