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By increasing model parameters but activating them sparsely when performing a task, the use of Mixture-of-Experts (MoE) architecture significantly improves the performance of Large Language Models (LLMs) without increasing the inference…

计算与语言 · 计算机科学 2025-06-10 Zeliang Zhang , Xiaodong Liu , Hao Cheng , Chenliang Xu , Jianfeng Gao

Event extraction (EE) has considerably benefited from pre-trained language models (PLMs) by fine-tuning. However, existing pre-training methods have not involved modeling event characteristics, resulting in the developed EE models cannot…

计算与语言 · 计算机科学 2021-06-01 Ziqi Wang , Xiaozhi Wang , Xu Han , Yankai Lin , Lei Hou , Zhiyuan Liu , Peng Li , Juanzi Li , Jie Zhou

How can we extend a pre-trained model to many language understanding tasks, without labeled or additional unlabeled data? Pre-trained language models (PLMs) have been effective for a wide range of NLP tasks. However, existing approaches…

计算与语言 · 计算机科学 2023-05-29 Xuandong Zhao , Siqi Ouyang , Zhiguo Yu , Ming Wu , Lei Li

Compositional reasoning in Vision-Language Models (VLMs) remains challenging as these models often struggle to relate objects, attributes, and spatial relationships. Recent methods aim to address these limitations by relying on the…

计算与语言 · 计算机科学 2024-10-30 Paola Cascante-Bonilla , Yu Hou , Yang Trista Cao , Hal Daumé , Rachel Rudinger

Pre-trained Language Models (PLMs) have achieved remarkable performance for various language understanding tasks in IR systems, which require the fine-tuning process based on labeled training data. For low-resource scenarios, prompt-based…

计算与语言 · 计算机科学 2022-04-04 Ziyun Xu , Chengyu Wang , Minghui Qiu , Fuli Luo , Runxin Xu , Songfang Huang , Jun Huang

Nowadays, pretrained language models (PLMs) have dominated the majority of NLP tasks. While, little research has been conducted on systematically evaluating the language abilities of PLMs. In this paper, we present a large-scale empirical…

计算与语言 · 计算机科学 2022-05-04 Junyi Li , Tianyi Tang , Zheng Gong , Lixin Yang , Zhuohao Yu , Zhipeng Chen , Jingyuan Wang , Wayne Xin Zhao , Ji-Rong Wen

As language models (LMs) become more capable, it is increasingly important to align them with human preferences. However, the dominant paradigm for training Preference Models (PMs) for that purpose suffers from fundamental limitations, such…

计算与语言 · 计算机科学 2024-03-18 Dongyoung Go , Tomasz Korbak , Germán Kruszewski , Jos Rozen , Marc Dymetman

Recently, the emergence of pre-trained models (PTMs) has brought natural language processing (NLP) to a new era. In this survey, we provide a comprehensive review of PTMs for NLP. We first briefly introduce language representation learning…

计算与语言 · 计算机科学 2021-06-24 Xipeng Qiu , Tianxiang Sun , Yige Xu , Yunfan Shao , Ning Dai , Xuanjing Huang

Pre-trained language models (PLMs) have been prevailing in state-of-the-art methods for natural language processing, and knowledge-enhanced PLMs are further proposed to promote model performance in knowledge-intensive tasks. However,…

计算与语言 · 计算机科学 2024-01-12 Xintao Wang , Zhouhong Gu , Jiaqing Liang , Dakuan Lu , Yanghua Xiao , Wei Wang

Large language models (LLMs) are increasingly used for semantic query processing over large corpora. A set of semantic operators derived from relational algebra has been proposed to provide a unified interface for expressing such queries,…

数据库 · 计算机科学 2026-03-06 Nan Hou , Kangfei Zhao , Jiadong Xie , Jeffrey Xu Yu

Recently, there has been an increasing interest in unsupervised parsers that optimize semantically oriented objectives, typically using reinforcement learning. Unfortunately, the learned trees often do not match actual syntax trees well.…

计算与语言 · 计算机科学 2019-06-07 Bowen Li , Lili Mou , Frank Keller

Pretrained Language Models (PLM) have been greatly successful on a board range of natural language processing (NLP) tasks. However, it has just started being applied to the domain of recommendation systems. Traditional recommendation…

机器学习 · 计算机科学 2023-02-10 Nuofan Xu , Chenhui Hu

Text Generation aims to produce plausible and readable text in a human language from input data. The resurgence of deep learning has greatly advanced this field, in particular, with the help of neural generation models based on pre-trained…

计算与语言 · 计算机科学 2022-05-17 Junyi Li , Tianyi Tang , Wayne Xin Zhao , Jian-Yun Nie , Ji-Rong Wen

Machine-learning models are ubiquitous. In some domains, for instance, in medicine, the models' predictions must be interpretable. Decision trees, classification rules, and subgroup discovery are three broad categories of supervised…

机器学习 · 计算机科学 2022-04-29 Vadim Arzamasov , Benjamin Jochum , Klemens Böhm

Large language models (LLMs) demonstrate exceptional instruct-following ability to complete various downstream tasks. Although this impressive ability makes LLMs flexible task solvers, their performance in solving tasks also heavily relies…

计算与语言 · 计算机科学 2024-06-03 Pengwei Zhan , Zhen Xu , Qian Tan , Jie Song , Ru Xie

We present multilingual Pre-trained Machine Reader (mPMR), a novel method for multilingual machine reading comprehension (MRC)-style pre-training. mPMR aims to guide multilingual pre-trained language models (mPLMs) to perform natural…

计算与语言 · 计算机科学 2023-05-24 Weiwen Xu , Xin Li , Wai Lam , Lidong Bing

Pretrained language models (PLMs) have produced substantial improvements in discourse-aware neural machine translation (NMT), for example, improved coherence in spoken language translation. However, the underlying reasons for their strong…

计算与语言 · 计算机科学 2023-06-01 Zhihong Huang , Longyue Wang , Siyou Liu , Derek F. Wong

Diverse Natural Language Processing tasks employ constituency parsing to understand the syntactic structure of a sentence according to a phrase structure grammar. Many state-of-the-art constituency parsers are proposed, but they may provide…

计算与语言 · 计算机科学 2023-07-04 Adithya Kulkarni , Nasim Sabetpour , Alexey Markin , Oliver Eulenstein , Qi Li

Simile interpretation is a crucial task in natural language processing. Nowadays, pre-trained language models (PLMs) have achieved state-of-the-art performance on many tasks. However, it remains under-explored whether PLMs can interpret…

计算与语言 · 计算机科学 2022-03-17 Qianyu He , Sijie Cheng , Zhixu Li , Rui Xie , Yanghua Xiao

Pre-trained language models (PLMs) are widely used to derive semantic representations from item metadata in recommendation and search. In sequential recommendation, PLMs enhance ID-based embeddings through textual metadata, while in product…