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08/27/2023
Text Matching Improves Sequential Recommendation by Reducing Popularity Biases
This paper proposes Text mAtching based SequenTial rEcommendation model ...
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05/31/2023
Structure-Aware Language Model Pretraining Improves Dense Retrieval on Structured Data
This paper presents Structure Aware Dense Retrieval (SANTA) model, which...
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05/27/2023
Augmentation-Adapted Retriever Improves Generalization of Language Models as Generic Plug-In
Retrieval augmentation can aid language models (LMs) in knowledge-intens...
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05/24/2023
Fusion-in-T5: Unifying Document Ranking Signals for Improved Information Retrieval
Common IR pipelines are typically cascade systems that may involve multi...
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04/12/2023
Rethinking Dense Retrieval's Few-Shot Ability
Few-shot dense retrieval (DR) aims to effectively generalize to novel se...
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05/04/2022
P^3 Ranker: Mitigating the Gaps between Pre-training and Ranking Fine-tuning with Prompt-based Learning and Pre-finetuning
Compared to other language tasks, applying pre-trained language models (...
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05/19/2021
Robo-Advising: Enhancing Investment with Inverse Optimization and Deep Reinforcement Learning
Machine Learning (ML) has been embraced as a powerful tool by the financ...
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05/10/2021
Few-Shot Conversational Dense Retrieval
Dense retrieval (DR) has the potential to resolve the query understandin...
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12/18/2020
Exploring Fluent Query Reformulations with Text-to-Text Transformers and Reinforcement Learning
Query reformulation aims to alter potentially noisy or ambiguous text se...
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11/03/2020
CMT in TREC-COVID Round 2: Mitigating the Generalization Gaps from Web to Special Domain Search
Neural rankers based on deep pretrained language models (LMs) have been ...
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10/04/2020
Learning Time Varying Risk Preferences from Investment Portfolios using Inverse Optimization with Applications on Mutual Funds
The fundamental principle in Modern Portfolio Theory (MPT) is based on t...
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06/09/2020
Few-Shot Generative Conversational Query Rewriting
Conversational query rewriting aims to reformulate a concise conversatio...
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04/22/2020
Eigendecomposition of Q in Equally Constrained Quadratic Programming
When applying eigenvalue decomposition on the quadratic term matrix in a...
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02/17/2020
