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

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LLMs confront inherent limitations in terms of its knowledge, memory, and action. The retrieval augmentation stands as a vital mechanism to address these limitations, which brings in useful information from external sources to augment the…

Information Retrieval · Computer Science 2026-01-06 Peitian Zhang , Shitao Xiao , Zheng Liu , Zhicheng Dou , Jian-Yun Nie

We report experimental results associated with speech-driven text retrieval, which facilitates retrieving information in multiple domains with spoken queries. Since users speak contents related to a target collection, we produce language…

Computation and Language · Computer Science 2016-11-15 Katunobu Itou , Atsushi Fujii , Tetsuya Ishikawa

Scientific knowledge discovery increasingly relies on large language models, yet many existing scholarly assistants depend on proprietary systems with tens or hundreds of billions of parameters. Such reliance limits reproducibility and…

Information Retrieval · Computer Science 2026-04-23 Florian Kelber , Matthias Jobst , Yuni Susanti , Michael Färber

Multi-Task Learning is a learning paradigm that uses correlated tasks to improve performance generalization. A common way to learn multiple tasks is through the hard parameter sharing approach, in which a single architecture is used to…

Machine Learning · Computer Science 2022-04-15 Angelica Tiemi Mizuno Nakamura , Denis Fernando Wolf , Valdir Grassi

Dense retrieval models using a transformer-based bi-encoder design have emerged as an active area of research. In this work, we focus on the task of monolingual retrieval in a variety of typologically diverse languages using one such…

Information Retrieval · Computer Science 2022-04-06 Xinyu Zhang , Kelechi Ogueji , Xueguang Ma , Jimmy Lin

Multi-task learning and self-training are two common ways to improve a machine learning model's performance in settings with limited training data. Drawing heavily on ideas from those two approaches, we suggest transductive auxiliary task…

Computation and Language · Computer Science 2019-09-24 Johannes Bjerva , Katharina Kann , Isabelle Augenstein

Retrieval-augmented generation (RAG) has become a cornerstone of contemporary NLP, enhancing large language models (LLMs) by allowing them to access richer factual contexts through in-context retrieval. While effective in monolingual…

Computation and Language · Computer Science 2026-03-31 Leonardo Ranaldi , Barry Haddow , Alexandra Birch

Multi-task learning (MTL) aims at learning related tasks in a unified model to achieve mutual improvement among tasks considering their shared knowledge. It is an important topic in recommendation due to the demand for multi-task prediction…

Information Retrieval · Computer Science 2023-02-10 Yuhao Wang , Ha Tsz Lam , Yi Wong , Ziru Liu , Xiangyu Zhao , Yichao Wang , Bo Chen , Huifeng Guo , Ruiming Tang

Retrieval-augmented language models (RALMs) hold promise to produce language understanding systems that are are factual, efficient, and up-to-date. An important desideratum of RALMs, is that retrieved information helps model performance…

Computation and Language · Computer Science 2024-05-07 Ori Yoran , Tomer Wolfson , Ori Ram , Jonathan Berant

Multi-Task Learning (MTL) is a learning paradigm in machine learning and its aim is to leverage useful information contained in multiple related tasks to help improve the generalization performance of all the tasks. In this paper, we give a…

Machine Learning · Computer Science 2021-03-30 Yu Zhang , Qiang Yang

Despite recent success of deep network-based Reinforcement Learning (RL), it remains elusive to achieve human-level efficiency in learning novel tasks. While previous efforts attempt to address this challenge using meta-learning strategies,…

Machine Learning · Computer Science 2022-05-03 Haozhe Wang , Jiale Zhou , Xuming He

Generative retrieval for search and recommendation is a promising paradigm for retrieving items, offering an alternative to traditional methods that depend on external indexes and nearest-neighbor searches. Instead, generative models…

Information Retrieval · Computer Science 2024-10-23 Gustavo Penha , Ali Vardasbi , Enrico Palumbo , Marco de Nadai , Hugues Bouchard

Despite the recent progress in long-context language models, it remains elusive how transformer-based models exhibit the capability to retrieve relevant information from arbitrary locations within the long context. This paper aims to…

Computation and Language · Computer Science 2024-04-25 Wenhao Wu , Yizhong Wang , Guangxuan Xiao , Hao Peng , Yao Fu

Intelligent agents should have the ability to leverage knowledge from previously learned tasks in order to learn new ones quickly and efficiently. Meta-learning approaches have emerged as a popular solution to achieve this. However,…

Machine Learning · Computer Science 2023-02-17 Zhao Mandi , Pieter Abbeel , Stephen James

Contextual embeddings derived from transformer-based neural language models have shown state-of-the-art performance for various tasks such as question answering, sentiment analysis, and textual similarity in recent years. Extensive work…

Computation and Language · Computer Science 2020-11-03 Brihi Joshi , Neil Shah , Francesco Barbieri , Leonardo Neves

The data landscape is rich with structured data, often of high value to organizations, driving important applications in data analysis and machine learning. Recent progress in representation learning and generative models for such data has…

Information Retrieval · Computer Science 2025-05-20 Xingyu Ji , Parker Glenn , Aditya G. Parameswaran , Madelon Hulsebos

We develop new algorithms for simultaneous learning of multiple tasks (e.g., image classification, depth estimation), and for adapting to unseen task/domain distributions within those high-level tasks (e.g., different environments). First,…

Machine Learning · Computer Science 2020-06-16 Kiran Lekkala , Laurent Itti

Deep reinforcement learning (RL) is a powerful approach to complex decision making. However, one issue that limits its practical application is its brittleness, sometimes failing to train in the presence of small changes in the environment.…

Machine Learning · Computer Science 2025-01-27 Jung-Hoon Cho , Vindula Jayawardana , Sirui Li , Cathy Wu

Neural ranking methods based on large transformer models have recently gained significant attention in the information retrieval community, and have been adopted by major commercial solutions. Nevertheless, they are computationally…

Information Retrieval · Computer Science 2023-08-30 Anik Saha , Oktie Hassanzadeh , Alex Gittens , Jian Ni , Kavitha Srinivas , Bulent Yener

Language models pretrained on text from a wide variety of sources form the foundation of today's NLP. In light of the success of these broad-coverage models, we investigate whether it is still helpful to tailor a pretrained model to the…

Computation and Language · Computer Science 2020-05-07 Suchin Gururangan , Ana Marasović , Swabha Swayamdipta , Kyle Lo , Iz Beltagy , Doug Downey , Noah A. Smith