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07/01/2023
Improving Multitask Retrieval by Promoting Task Specialization
In multitask retrieval, a single retriever is trained to retrieve releva...
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02/07/2023
Augmenting Zero-Shot Dense Retrievers with Plug-in Mixture-of-Memories
In this paper we improve the zero-shot generalization ability of languag...
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11/29/2022
ClueWeb22: 10 Billion Web Documents with Visual and Semantic Information
ClueWeb22, the newest iteration of the ClueWeb line of datasets, provide...
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10/31/2022
Reduce Catastrophic Forgetting of Dense Retrieval Training with Teleportation Negatives
In this paper, we investigate the instability in the standard dense retr...
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10/27/2022
COCO-DR: Combating Distribution Shifts in Zero-Shot Dense Retrieval with Contrastive and Distributionally Robust Learning
We present a new zero-shot dense retrieval (ZeroDR) method, COCO-DR, to ...
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02/18/2021
Less is More: Pre-training a Strong Siamese Encoder Using a Weak Decoder
Many real-world applications use Siamese networks to efficiently match t...
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07/01/2020
Approximate Nearest Neighbor Negative Contrastive Learning for Dense Text Retrieval
Conducting text retrieval in a dense learned representation space has ma...
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11/06/2019