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Inductive link prediction -- where entities during training and inference stages can be different -- has shown great potential for completing evolving knowledge graphs in an entity-independent manner. Many popular methods mainly focus on…

人工智能 · 计算机科学 2024-08-22 Jie Wang , Hanzhu Chen , Qitan Lv , Zhihao Shi , Jiajun Chen , Huarui He , Hongtao Xie , Defu Lian , Enhong Chen , Feng Wu

In order to efficiently learn with small amount of data on new tasks, meta-learning transfers knowledge learned from previous tasks to the new ones. However, a critical challenge in meta-learning is the task heterogeneity which cannot be…

机器学习 · 计算机科学 2020-01-06 Huaxiu Yao , Xian Wu , Zhiqiang Tao , Yaliang Li , Bolin Ding , Ruirui Li , Zhenhui Li

In meta-learning, the knowledge learned from previous tasks is transferred to new ones, but this transfer only works if tasks are related. Sharing information between unrelated tasks might hurt performance, and it is unclear how to transfer…

Discovering whether words are semantically related and identifying the specific semantic relation that holds between them is of crucial importance for NLP as it is essential for tasks like query expansion in IR. Within this context,…

计算与语言 · 计算机科学 2018-07-31 Georgios Balikas , Gaël Dias , Rumen Moraliyski , Massih-Reza Amini

Network embedding in heterogeneous information networks (HINs) is a challenging task, due to complications of different node types and rich relationships between nodes. As a result, conventional network embedding techniques cannot work on…

社会与信息网络 · 计算机科学 2018-03-08 Daokun Zhang , Jie Yin , Xingquan Zhu , Chengqi Zhang

Multi-step manipulation tasks where robots interact with their environment and must apply process forces based on the perceived situation remain challenging to learn and prone to execution errors. Accurately simulating these tasks is also…

机器人学 · 计算机科学 2025-05-08 Christoph Willibald , Dongheui Lee

In this work, we aim at equipping pre-trained language models with structured knowledge. We present two self-supervised tasks learning over raw text with the guidance from knowledge graphs. Building upon entity-level masked language models,…

计算与语言 · 计算机科学 2020-04-30 Tao Shen , Yi Mao , Pengcheng He , Guodong Long , Adam Trischler , Weizhu Chen

Learning from small data sets is critical in many practical applications where data collection is time consuming or expensive, e.g., robotics, animal experiments or drug design. Meta learning is one way to increase the data efficiency of…

机器学习 · 统计学 2018-07-10 Steindór Sæmundsson , Katja Hofmann , Marc Peter Deisenroth

This paper addresses the problems of missing reasoning chains and insufficient entity-level semantic understanding in large language models when dealing with tasks that require structured knowledge. It proposes a fine-tuning algorithm…

计算与语言 · 计算机科学 2025-08-21 Wuyang Zhang , Yexin Tian , Xiandong Meng , Mengjie Wang , Junliang Du

Sequential sentence classification deals with the categorisation of sentences based on their content and context. Applied to scientific texts, it enables the automatic structuring of research papers and the improvement of academic search…

计算与语言 · 计算机科学 2022-03-22 Arthur Brack , Anett Hoppe , Pascal Buschermöhle , Ralph Ewerth

Large pre-trained models have transformed machine learning, yet adapting these models effectively to exhibit precise, concept-specific behaviors remains a significant challenge. Task vectors, defined as the difference between fine-tuned and…

机器学习 · 计算机科学 2025-12-30 Hamed Damirchi , Ehsan Abbasnejad , Zhen Zhang , Javen Shi

Vector representation of sentences is important for many text processing tasks that involve clustering, classifying, or ranking sentences. Recently, distributed representation of sentences learned by neural models from unlabeled data has…

计算与语言 · 计算机科学 2016-10-27 Tanay Kumar Saha , Shafiq Joty , Naeemul Hassan , Mohammad Al Hasan

Multitask learning (MTL) aims to learn multiple tasks simultaneously through the interdependence between different tasks. The way to measure the relatedness between tasks is always a popular issue. There are mainly two ways to measure…

机器学习 · 计算机科学 2019-04-04 Ya Li , Xinmei Tian , Tongliang Liu , Dacheng Tao

Semantic composition functions have been playing a pivotal role in neural representation learning of text sequences. In spite of their success, most existing models suffer from the underfitting problem: they use the same shared…

人工智能 · 计算机科学 2018-02-27 Junkun Chen , Xipeng Qiu , Pengfei Liu , Xuanjing Huang

This study addresses the challenge of accurately identifying multi-task contention types in high-dimensional system environments and proposes a unified contention classification framework that integrates representation transformation,…

分布式、并行与集群计算 · 计算机科学 2026-01-29 Xiao Yang , Yinan Ni , Yuqi Tang , Zhimin Qiu , Chen Wang , Tingzhou Yuan

To solve a new task from minimal experience, it is essential to effectively reuse knowledge from previous tasks, a problem known as meta-learning. Compositional solutions, where common elements of computation are flexibly recombined into…

机器学习 · 计算机科学 2025-10-03 Jacob J. W. Bakermans , Pablo Tano , Reidar Riveland , Charles Findling , Alexandre Pouget

We present two architectures for multi-task learning with neural sequence models. Our approach allows the relationships between different tasks to be learned dynamically, rather than using an ad-hoc pre-defined structure as in previous…

计算与语言 · 计算机科学 2018-11-27 Pengfei Liu , Jie Fu , Yue Dong , Xipeng Qiu , Jackie Chi Kit Cheung

The organization of latent knowledge within large-scale models poses unique challenges when addressing overlapping representations and optimizing contextual accuracy. Conceptual redundancies embedded across layers often result in…

计算与语言 · 计算机科学 2025-03-26 Joseph Sakau , Evander Kozlowski , Roderick Thistledown , Basil Steinberger

A key assumption in multi-task learning is that at the inference time the multi-task model only has access to a given data point but not to the data point's labels from other tasks. This presents an opportunity to extend multi-task learning…

机器学习 · 计算机科学 2023-03-15 Kaidi Cao , Jiaxuan You , Jure Leskovec

Multitask learning is a framework that enforces multiple learning tasks to share knowledge to improve their generalization abilities. While shallow multitask learning can learn task relations, it can only handle predefined features. Modern…

机器学习 · 计算机科学 2022-07-05 Guangji Bai , Liang Zhao