2022

doi dblp
PLAID: An Efficient Engine for Late Interaction Retrieval
Keshav Santhanam | Omar Khattab | Christopher Potts | Matei Zaharia
Proceedings of the 31st ACM International Conference on Information & Knowledge Management, Atlanta, GA, USA, October 17-21, 2022

doi dblp
Introducing Neural Bag of Whole-Words with ColBERTer: Contextualized Late Interactions using Enhanced Reduction
Sebastian Hofstätter | Omar Khattab | Sophia Althammer | Mete Sertkan | Allan Hanbury
Proceedings of the 31st ACM International Conference on Information & Knowledge Management, Atlanta, GA, USA, October 17-21, 2022

2021

doi dblp
Learning Passage Impacts for Inverted Indexes
Antonio Mallia | Omar Khattab | Torsten Suel | Nicola Tonellotto
SIGIR '21: The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval, Virtual Event, Canada, July 11-15, 2021

2020

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Finding the Best of Both Worlds: Faster and More Robust Top-k Document Retrieval
Omar Khattab | Mohammad Hammoud | Tamer Elsayed
Proceedings of the 43rd International ACM SIGIR conference on research and development in Information Retrieval, SIGIR 2020, Virtual Event, China, July 25-30, 2020

doi dblp
ColBERT: Efficient and Effective Passage Search via Contextualized Late Interaction over BERT
Omar Khattab | Matei Zaharia
Proceedings of the 43rd International ACM SIGIR conference on research and development in Information Retrieval, SIGIR 2020, Virtual Event, China, July 25-30, 2020

2018

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PolyHJ: A Polymorphic Main-Memory Hash Join Paradigm for Multi-Core Machines
Omar Khattab | Mohammad Hammoud | Omar Shekfeh
Proceedings of the 27th ACM International Conference on Information and Knowledge Management, CIKM 2018, Torino, Italy, October 22-26, 2018

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