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Related papers: Multi-task Retrieval for Knowledge-Intensive Tasks

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This paper addresses the gap between general-purpose text embeddings and the specific demands of item retrieval tasks. We demonstrate the shortcomings of existing models in capturing the nuances necessary for zero-shot performance on item…

Information Retrieval · Computer Science 2024-03-01 Yuxuan Lei , Jianxun Lian , Jing Yao , Mingqi Wu , Defu Lian , Xing Xie

With the advent of deep learning, many dense prediction tasks, i.e. tasks that produce pixel-level predictions, have seen significant performance improvements. The typical approach is to learn these tasks in isolation, that is, a separate…

Computer Vision and Pattern Recognition · Computer Science 2021-01-26 Simon Vandenhende , Stamatios Georgoulis , Wouter Van Gansbeke , Marc Proesmans , Dengxin Dai , Luc Van Gool

In modern supervised learning, there are a large number of tasks, but many of them are associated with only a small amount of labeled data. These include data from medical image processing and robotic interaction. Even though each…

Machine Learning · Computer Science 2020-02-21 Weihao Kong , Raghav Somani , Zhao Song , Sham Kakade , Sewoong Oh

The task of information retrieval is an important component of many natural language processing systems, such as open domain question answering. While traditional methods were based on hand-crafted features, continuous representations based…

Computation and Language · Computer Science 2022-08-05 Gautier Izacard , Edouard Grave

We study the benefit of sharing representations among tasks to enable the effective use of deep neural networks in Multi-Task Reinforcement Learning. We leverage the assumption that learning from different tasks, sharing common properties,…

Machine Learning · Computer Science 2024-01-19 Carlo D'Eramo , Davide Tateo , Andrea Bonarini , Marcello Restelli , Jan Peters

The problem of learning simultaneously several related tasks has received considerable attention in several domains, especially in machine learning with the so-called multitask learning problem or learning to learn problem [1], [2].…

Signal Processing · Electrical Eng. & Systems 2021-09-29 Roula Nassif , Stefan Vlaski , Cedric Richard , Jie Chen , Ali H. Sayed

We present a context-aware neural ranking model to exploit users' on-task search activities and enhance retrieval performance. In particular, a two-level hierarchical recurrent neural network is introduced to learn search context…

Information Retrieval · Computer Science 2019-06-07 Wasi Uddin Ahmad , Kai-Wei Chang , Hongning Wang

In-Context Learning (ICL) has gained prominence due to its ability to perform tasks without requiring extensive training data and its robustness to noisy labels. A typical ICL workflow involves selecting localized examples relevant to a…

Information Retrieval · Computer Science 2025-05-07 Janak Kapuriya , Manit Kaushik , Debasis Ganguly , Sumit Bhatia

Multimodal meta-learning is a recent problem that extends conventional few-shot meta-learning by generalizing its setup to diverse multimodal task distributions. This setup makes a step towards mimicking how humans make use of a diverse set…

Machine Learning · Computer Science 2021-10-28 Milad Abdollahzadeh , Touba Malekzadeh , Ngai-Man Cheung

This paper studies multi-task training of retrieval-augmented generation models for knowledge-intensive tasks. We propose to clean the training set by utilizing a distinct property of knowledge-intensive generation: The connection of…

Computation and Language · Computer Science 2022-07-08 Sebastian Hofstätter , Jiecao Chen , Karthik Raman , Hamed Zamani

We study the problem of retrieval with instructions, where users of a retrieval system explicitly describe their intent along with their queries. We aim to develop a general-purpose task-aware retrieval system using multi-task instruction…

Computation and Language · Computer Science 2022-12-21 Akari Asai , Timo Schick , Patrick Lewis , Xilun Chen , Gautier Izacard , Sebastian Riedel , Hannaneh Hajishirzi , Wen-tau Yih

Humans can perform unseen tasks by recalling relevant skills acquired previously and then generalizing them to the target tasks, even if there is no supervision at all. In this paper, we aim to improve this kind of cross-task generalization…

Computation and Language · Computer Science 2022-10-19 Bill Yuchen Lin , Kangmin Tan , Chris Miller , Beiwen Tian , Xiang Ren

Knowledge retrieval with multi-modal queries plays a crucial role in supporting knowledge-intensive multi-modal applications. However, existing methods face challenges in terms of their effectiveness and training efficiency, especially when…

Information Retrieval · Computer Science 2024-01-17 Xinwei Long , Jiali Zeng , Fandong Meng , Zhiyuan Ma , Kaiyan Zhang , Bowen Zhou , Jie Zhou

MTL is a learning paradigm that effectively leverages both task-specific and shared information to address multiple related tasks simultaneously. In contrast to STL, MTL offers a suite of benefits that enhance both the training process and…

Prompt tuning attempts to update few task-specific parameters in pre-trained models. It has achieved comparable performance to fine-tuning of the full parameter set on both language understanding and generation tasks. In this work, we study…

Computation and Language · Computer Science 2022-07-15 Weng Lam Tam , Xiao Liu , Kaixuan Ji , Lilong Xue , Xingjian Zhang , Yuxiao Dong , Jiahua Liu , Maodi Hu , Jie Tang

Although information access systems have long supported people in accomplishing a wide range of tasks, we propose broadening the scope of users of information access systems to include task-driven machines, such as machine learning models.…

Machine Learning · Computer Science 2022-05-04 Hamed Zamani , Fernando Diaz , Mostafa Dehghani , Donald Metzler , Michael Bendersky

As the range of tasks performed by a general vision system expands, executing multiple tasks accurately and efficiently in a single network has become an important and still open problem. Recent computer vision approaches address this…

Machine Learning · Computer Science 2020-11-02 Hila Levi , Shimon Ullman

Recent advances in language modeling and vision stem from training large models on diverse, multi-task data. This paradigm has had limited impact in value-based reinforcement learning (RL), where improvements are often driven by small…

Machine Learning · Computer Science 2025-05-30 Michal Nauman , Marek Cygan , Carmelo Sferrazza , Aviral Kumar , Pieter Abbeel

Loading models pre-trained on the large-scale corpus in the general domain and fine-tuning them on specific downstream tasks is gradually becoming a paradigm in Natural Language Processing. Previous investigations prove that introducing a…

Computation and Language · Computer Science 2021-09-15 Yao Qiu , Jinchao Zhang , Jie Zhou

As Large Language Models (LLMs) continue to evolve, more are being designed to handle long-context inputs. Despite this advancement, most of them still face challenges in accurately handling long-context tasks, often showing the "lost in…

Computation and Language · Computer Science 2024-12-13 Yijiong Yu , Yongfeng Huang , Zhixiao Qi , Zhe Zhou