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Machine question answering is an essential yet challenging task in natural language processing. Recently, Pre-trained Contextual Embeddings (PCE) models like Bidirectional Encoder Representations from Transformers (BERT) and A Lite BERT…

计算与语言 · 计算机科学 2021-10-20 Shilun Li , Renee Li , Veronica Peng

Increasing model size when pretraining natural language representations often results in improved performance on downstream tasks. However, at some point further model increases become harder due to GPU/TPU memory limitations and longer…

计算与语言 · 计算机科学 2020-02-11 Zhenzhong Lan , Mingda Chen , Sebastian Goodman , Kevin Gimpel , Piyush Sharma , Radu Soricut

In recent years BERT shows apparent advantages and great potential in natural language processing tasks. However, both training and applying BERT requires intensive time and resources for computing contextual language representations, which…

计算与语言 · 计算机科学 2021-11-05 Tan Huang

Complex node interactions are common in knowledge graphs, and these interactions also contain rich knowledge information. However, traditional methods usually treat a triple as a training unit during the knowledge representation learning…

计算与语言 · 计算机科学 2021-10-01 Bin He , Di Zhou , Jinghui Xiao , Xin jiang , Qun Liu , Nicholas Jing Yuan , Tong Xu

Even as pre-trained language models share a semantic encoder, natural language understanding suffers from a diversity of output schemas. In this paper, we propose UBERT, a unified bidirectional language understanding model based on BERT…

计算与语言 · 计算机科学 2022-08-16 Junyu Lu , Ping Yang , Ruyi Gan , Jing Yang , Jiaxing Zhang

Relying on large pretrained language models such as Bidirectional Encoder Representations from Transformers (BERT) for encoding and adding a simple prediction layer has led to impressive performance in many clinical natural language…

计算与语言 · 计算机科学 2020-10-13 John Pougue Biyong , Bo Wang , Terry Lyons , Alejo J Nevado-Holgado

Previous researches of sketches often considered sketches in pixel format and leveraged CNN based models in the sketch understanding. Fundamentally, a sketch is stored as a sequence of data points, a vector format representation, rather…

计算机视觉与模式识别 · 计算机科学 2020-05-20 Hangyu Lin , Yanwei Fu , Yu-Gang Jiang , Xiangyang Xue

Pretrained language models have excelled at many NLP tasks recently; however, their social intelligence is still unsatisfactory. To enable this, machines need to have a more general understanding of our complicated world and develop the…

计算与语言 · 计算机科学 2021-05-13 Ting-Yun Chang , Yang Liu , Karthik Gopalakrishnan , Behnam Hedayatnia , Pei Zhou , Dilek Hakkani-Tur

Commonsense knowledge is paramount to enable intelligent systems. Typically, it is characterized as being implicit and ambiguous, hindering thereby the automation of its acquisition. To address these challenges, this paper presents…

人工智能 · 计算机科学 2018-09-28 Ikhlas Alhussien , Erik Cambria , Zhang NengSheng

In the process of digital transformation, enterprises are faced with problems such as insufficient semantic understanding of unstructured data and lack of intelligent decision-making basis in driving mechanisms. This study proposes a method…

人工智能 · 计算机科学 2026-01-09 Huayi Liu

How to effectively incorporate cross-utterance information cues into a neural language model (LM) has emerged as one of the intriguing issues for automatic speech recognition (ASR). Existing research efforts on improving contextualization…

计算与语言 · 计算机科学 2021-10-04 Shih-Hsuan Chiu , Tien-Hong Lo , Fu-An Chao , Berlin Chen

Knowledge graph is a popular format for representing knowledge, with many applications to semantic search engines, question-answering systems, and recommender systems. Real-world knowledge graphs are usually incomplete, so knowledge graph…

机器学习 · 计算机科学 2023-04-26 Hung Nghiep Tran , Atsuhiro Takasu

Generative commonsense reasoning which aims to empower machines to generate sentences with the capacity of reasoning over a set of concepts is a critical bottleneck for text generation. Even the state-of-the-art pre-trained language…

计算与语言 · 计算机科学 2021-01-22 Ye Liu , Yao Wan , Lifang He , Hao Peng , Philip S. Yu

Accuracy of English-language Question Answering (QA) systems has improved significantly in recent years with the advent of Transformer-based models (e.g., BERT). These models are pre-trained in a self-supervised fashion with a large English…

计算与语言 · 计算机科学 2022-04-13 Gokul Karthik Kumar , Abhishek Singh Gehlot , Sahal Shaji Mullappilly , Karthik Nandakumar

Existing work on augmenting question answering (QA) models with external knowledge (e.g., knowledge graphs) either struggle to model multi-hop relations efficiently, or lack transparency into the model's prediction rationale. In this paper,…

计算与语言 · 计算机科学 2020-09-21 Yanlin Feng , Xinyue Chen , Bill Yuchen Lin , Peifeng Wang , Jun Yan , Xiang Ren

Hypergraphs are characterized by complex topological structure, representing higher-order interactions among multiple entities through hyperedges. Lately, hypergraph-based deep learning methods to learn informative data representations for…

机器学习 · 计算机科学 2024-09-30 Adrián Bazaga , Pietro Liò , Gos Micklem

Unsupervised cross-lingual transfer involves transferring knowledge between languages without explicit supervision. Although numerous studies have been conducted to improve performance in such tasks by focusing on cross-lingual knowledge,…

计算与语言 · 计算机科学 2024-04-26 Jianyu Zheng , Fengfei Fan , Jianquan Li

Medication recommendation is an important healthcare application. It is commonly formulated as a temporal prediction task. Hence, most existing works only utilize longitudinal electronic health records (EHRs) from a small number of patients…

人工智能 · 计算机科学 2019-11-28 Junyuan Shang , Tengfei Ma , Cao Xiao , Jimeng Sun

Newly-introduced deep learning architectures, namely BERT, XLNet, RoBERTa and ALBERT, have been proved to be robust on several NLP tasks. However, the datasets trained on these architectures are fixed in terms of size and generalizability.…

计算与语言 · 计算机科学 2020-09-29 Jean-Philippe Corbeil , Hadi Abdi Ghadivel

Pretrained contextualized text representation models learn an effective representation of a natural language to make it machine understandable. After the breakthrough of the attention mechanism, a new generation of pretrained models have…