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Aspect Sentiment Quad Prediction (ASQP) aims to predict all quads (aspect term, aspect category, opinion term, sentiment polarity) for a given review, which is the most representative and challenging task in aspect-based sentiment analysis.…

计算与语言 · 计算机科学 2024-06-27 Yice Zhang , Jie Zeng , Weiming Hu , Ziyi Wang , Shiwei Chen , Ruifeng Xu

Few-shot relation extraction aims to recognize novel relations with few labeled sentences in each relation. Previous metric-based few-shot relation extraction algorithms identify relationships by comparing the prototypes generated by the…

计算与语言 · 计算机科学 2023-05-12 Zhongju Yuan , Zhenkun Wang , Genghui Li

Aspect-based sentiment analysis (ABSA) aims at analyzing the sentiment of a given aspect in a sentence. Recently, neural network-based methods have achieved promising results in existing ABSA datasets. However, these datasets tend to…

计算与语言 · 计算机科学 2020-11-03 Zhen Wu , Chengcan Ying , Xinyu Dai , Shujian Huang , Jiajun Chen

Empathy is a vital factor that contributes to mutual understanding, and joint problem-solving. In recent years, a growing number of studies have recognized the benefits of empathy and started to incorporate empathy in conversational…

计算与语言 · 计算机科学 2023-10-13 Aravind Sesagiri Raamkumar , Yinping Yang

There has been growing interest in Multimodal Aspect-Based Sentiment Analysis (MABSA) in recent years. Existing methods predominantly rely on pre-trained small language models (SLMs) to collect information related to aspects and sentiments…

计算与语言 · 计算机科学 2025-05-27 Jun Cao , Jiyi Li , Ziwei Yang , Renjie Zhou

In aspect-level sentiment classification (ASC), it is prevalent to equip dominant neural models with attention mechanisms, for the sake of acquiring the importance of each context word on the given aspect. However, such a mechanism tends to…

计算与语言 · 计算机科学 2019-06-07 Jialong Tang , Ziyao Lu , Jinsong Su , Yubin Ge , Linfeng Song , Le Sun , Jiebo Luo

Learning high-quality dialogue representations is essential for solving a variety of dialogue-oriented tasks, especially considering that dialogue systems often suffer from data scarcity. In this paper, we introduce Dialogue Sentence…

计算与语言 · 计算机科学 2022-07-25 Zhihan Zhou , Dejiao Zhang , Wei Xiao , Nicholas Dingwall , Xiaofei Ma , Andrew O. Arnold , Bing Xiang

Discourse relations bind smaller linguistic units into coherent texts. However, automatically identifying discourse relations is difficult, because it requires understanding the semantics of the linked arguments. A more subtle challenge is…

计算与语言 · 计算机科学 2014-11-26 Yangfeng Ji , Jacob Eisenstein

Joint extraction of aspects and sentiments can be effectively formulated as a sequence labeling problem. However, such formulation hinders the effectiveness of supervised methods due to the lack of annotated sequence data in many domains.…

计算与语言 · 计算机科学 2019-11-01 Zheng Li , Xin Li , Ying Wei , Lidong Bing , Yu Zhang , Qiang Yang

Deep learning architectures based on self-attention have recently achieved and surpassed state of the art results in the task of unsupervised aspect extraction and topic modeling. While models such as neural attention-based aspect…

计算与语言 · 计算机科学 2020-06-18 Anton Alekseev , Elena Tutubalina , Valentin Malykh , Sergey Nikolenko

Aspect-based sentiment classification is a crucial problem in fine-grained sentiment analysis, which aims to predict the sentiment polarity of the given aspect according to its context. Previous works have made remarkable progress in…

计算与语言 · 计算机科学 2023-08-23 Xueyi Liu , Rui Hou , Yanglei Gan , Da Luo , Changlin Li , Xiaojun Shi , Qiao Liu

While interacting with chatbots, users may elicit multiple intents in a single dialogue utterance. Instead of training a dedicated multi-intent detection model, we propose DialogUSR, a dialogue utterance splitting and reformulation task…

计算与语言 · 计算机科学 2022-10-21 Haoran Meng , Zheng Xin , Tianyu Liu , Zizhen Wang , He Feng , Binghuai Lin , Xuemin Zhao , Yunbo Cao , Zhifang Sui

Aspect-based sentiment analysis (ABSA) is a fine-grained sentiment analysis task that aims to align aspects and corresponding sentiments for aspect-specific sentiment polarity inference. It is challenging because a sentence may contain…

计算与语言 · 计算机科学 2022-07-18 Shuo Liang , Wei Wei , Xian-Ling Mao , Fei Wang , Zhiyong He

Neural speech models build deeply entangled internal representations, which capture a variety of features (e.g., fundamental frequency, loudness, syntactic category, or semantic content of a word) in a distributed encoding. This complexity…

计算与语言 · 计算机科学 2024-10-07 Hosein Mohebbi , Grzegorz Chrupała , Willem Zuidema , Afra Alishahi , Ivan Titov

The chess domain is well-suited for creating an artificial intelligence (AI) system that mimics real-world challenges, including decision-making. Throughout the years, minimal attention has been paid to investigating insights derived from…

计算与语言 · 计算机科学 2024-05-13 Haifa Alrdahi , Riza Batista-Navarro

Argument structure extraction (ASE) aims to identify the discourse structure of arguments within documents. Previous research has demonstrated that contextual information is crucial for developing an effective ASE model. However, we observe…

计算与语言 · 计算机科学 2023-10-10 Yun Luo , Zhen Yang , Fandong Meng , Yingjie Li , Jie Zhou , Yue Zhang

Aspect-based sentiment analysis (ABSA) assesses sentiments towards specific aspects within texts, resulting in detailed sentiment tuples. Previous ABSA models often use static templates to predict all of the elements in the tuples, and…

计算与语言 · 计算机科学 2025-08-05 Yonghyun Jun , Hwanhee Lee

Aspect-based sentiment analysis (ABSA) aims at automatically inferring the specific sentiment polarities toward certain aspects of products or services behind the social media texts or reviews, which has been a fundamental application to…

计算与语言 · 计算机科学 2023-05-22 Hao Fei , Tat-Seng Chua , Chenliang Li , Donghong Ji , Meishan Zhang , Yafeng Ren

Aspect-based sentiment analysis (ABSA) aims to predict the sentiment expressed in a review with respect to a given aspect. The core of ABSA is to model the interaction between the context and given aspect to extract the aspect-related…

计算与语言 · 计算机科学 2022-04-22 Bowen Xing , Ivor W. Tsang

Speaker diarization(SD) is a classic task in speech processing and is crucial in multi-party scenarios such as meetings and conversations. Current mainstream speaker diarization approaches consider acoustic information only, which result in…

计算与语言 · 计算机科学 2023-05-23 Luyao Cheng , Siqi Zheng , Zhang Qinglin , Hui Wang , Yafeng Chen , Qian Chen