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In this paper, we study the problem of relaying a single bit of information across a series of binary symmetric channels, and the associated trade-off between the number of hops $m$, the transmission time $n$, and the error probability. We…

信息论 · 计算机科学 2022-12-09 Yan Hao Ling , Jonathan Scarlett

A multi-hop question answering (QA) dataset aims to test reasoning and inference skills by requiring a model to read multiple paragraphs to answer a given question. However, current datasets do not provide a complete explanation for the…

计算与语言 · 计算机科学 2020-11-13 Xanh Ho , Anh-Khoa Duong Nguyen , Saku Sugawara , Akiko Aizawa

Knowledge Distillation is an effective method to transfer the learning across deep neural networks. Typically, the dataset originally used for training the Teacher model is chosen as the "Transfer Set" to conduct the knowledge transfer to…

机器学习 · 计算机科学 2020-11-19 Gaurav Kumar Nayak , Konda Reddy Mopuri , Anirban Chakraborty

Multi-hop reasoning requires aggregating multiple documents to answer a complex question. Existing methods usually decompose the multi-hop question into simpler single-hop questions to solve the problem for illustrating the explainable…

计算与语言 · 计算机科学 2022-08-23 Siyuan Wang , Zhongyu Wei , Zhihao Fan , Qi Zhang , Xuanjing Huang

This study focuses on the problem of path modeling in heterogeneous information networks and proposes a multi-hop path-aware recommendation framework. The method centers on multi-hop paths composed of various types of entities and…

信息检索 · 计算机科学 2025-05-12 Hongye Zheng , Yue Xing , Lipeng Zhu , Xu Han , Junliang Du , Wanyu Cui

Recent years have witnessed an abundance of new publications and approaches on meta-learning. This community-wide enthusiasm has sparked great insights but has also created a plethora of seemingly different frameworks, which can be hard to…

机器学习 · 计算机科学 2020-02-04 Wei-Lun Chao , Han-Jia Ye , De-Chuan Zhan , Mark Campbell , Kilian Q. Weinberger

Meta-learning has been proposed as a framework to address the challenging few-shot learning setting. The key idea is to leverage a large number of similar few-shot tasks in order to learn how to adapt a base-learner to a new task for which…

计算机视觉与模式识别 · 计算机科学 2019-10-10 Qianru Sun , Yaoyao Liu , Zhaozheng Chen , Tat-Seng Chua , Bernt Schiele

Decomposing knowledge into interchangeable pieces promises a generalization advantage when there are changes in distribution. A learning agent interacting with its environment is likely to be faced with situations requiring novel…

机器学习 · 计算机科学 2021-05-20 Kanika Madan , Nan Rosemary Ke , Anirudh Goyal , Bernhard Schölkopf , Yoshua Bengio

Reading comprehension QA tasks have seen a recent surge in popularity, yet most works have focused on fact-finding extractive QA. We instead focus on a more challenging multi-hop generative task (NarrativeQA), which requires the model to…

计算与语言 · 计算机科学 2019-06-04 Lisa Bauer , Yicheng Wang , Mohit Bansal

Machine Learning has been a big success story during the AI resurgence. One particular stand out success relates to unsupervised learning from a massive amount of data, albeit much of it relates to one modality/type of data at a time. In…

人工智能 · 计算机科学 2019-01-23 Amit Sheth , Sujan Perera , Sanjaya Wijeratne

In the era of deep learning, the increasing number of pre-trained models available online presents a wealth of knowledge. These models, developed with diverse architectures and trained on varied datasets for different tasks, provide unique…

计算机视觉与模式识别 · 计算机科学 2025-08-28 Yimu Wang , Weiming Zhuang , Chen Chen , Jiabo Huang , Jingtao Li , Lingjuan Lyu

Knowledge distillation is a simple but powerful way to transfer knowledge between a teacher model to a student model. Existing work suffers from at least one of the following key limitations in terms of direction and scope of transfer which…

机器学习 · 计算机科学 2024-02-12 Michael Livanos , Ian Davidson , Stephen Wong

Multi-hop reasoning over real-life knowledge graphs (KGs) is a highly challenging problem as traditional subgraph matching methods are not capable to deal with noise and missing information. To address this problem, it has been recently…

人工智能 · 计算机科学 2022-07-05 Zhiwei Hu , Víctor Gutiérrez-Basulto , Zhiliang Xiang , Xiaoli Li , Ru Li , Jeff Z. Pan

We present a new approach, called meta-meta classification, to learning in small-data settings. In this approach, one uses a large set of learning problems to design an ensemble of learners, where each learner has high bias and low variance…

机器学习 · 计算机科学 2020-06-16 Arkabandhu Chowdhury , Dipak Chaudhari , Swarat Chaudhuri , Chris Jermaine

Transferring knowledge from a teacher neural network pretrained on the same or a similar task to a student neural network can significantly improve the performance of the student neural network. Existing knowledge transfer approaches match…

计算机视觉与模式识别 · 计算机科学 2019-04-12 Sungsoo Ahn , Shell Xu Hu , Andreas Damianou , Neil D. Lawrence , Zhenwen Dai

General Question Answering (QA) systems over texts require the multi-hop reasoning capability, i.e. the ability to reason with information collected from multiple passages to derive the answer. In this paper we conduct a systematic analysis…

计算与语言 · 计算机科学 2019-11-01 Haoyu Wang , Mo Yu , Xiaoxiao Guo , Rajarshi Das , Wenhan Xiong , Tian Gao

Knowledge Distillation (KD) methods are capable of transferring the knowledge encoded in a large and complex teacher into a smaller and faster student. Early methods were usually limited to transferring the knowledge only between the last…

计算机视觉与模式识别 · 计算机科学 2020-05-05 Nikolaos Passalis , Maria Tzelepi , Anastasios Tefas

Deep pre-trained Transformer models have achieved state-of-the-art results over a variety of natural language processing (NLP) tasks. By learning rich language knowledge with millions of parameters, these models are usually…

计算与语言 · 计算机科学 2020-11-10 Zhengyan Zhang , Fanchao Qi , Zhiyuan Liu , Qun Liu , Maosong Sun

This thesis aims to investigate the feasibility of knowledge transfer between neural networks for medical image segmentation tasks, specifically focusing on the transfer from a larger multi-task "Teacher" network to a smaller "Student"…

图像与视频处理 · 电气工程与系统科学 2024-06-06 Risab Biswas

Meta-learning for few-shot learning entails acquiring a prior over previous tasks and experiences, such that new tasks be learned from small amounts of data. However, a critical challenge in few-shot learning is task ambiguity: even when a…

机器学习 · 计算机科学 2019-10-18 Chelsea Finn , Kelvin Xu , Sergey Levine