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Large language models exhibit strong reasoning capabilities, yet often rely on shortcuts such as surface pattern matching and answer memorization rather than genuine logical inference. We propose Shortcut-Aware Reasoning Training (SART), a…

计算与语言 · 计算机科学 2026-03-24 Hongyu Cao , Kunpeng Liu , Dongjie Wang , Yanjie Fu

Feature modeling of different modalities is a basic problem in current research of cross-modal information retrieval. Existing models typically project texts and images into one embedding space, in which semantically similar information…

多媒体 · 计算机科学 2019-06-13 Jing Yu , Chenghao Yang , Zengchang Qin , Zhuoqian Yang , Yue Hu , Weifeng Zhang

Large language models (LLMs) achieve strong average performance yet remain unreliable at the instance level, with frequent hallucinations, brittle failures, and poorly calibrated confidence. We study reliability through the lens of…

人工智能 · 计算机科学 2026-01-13 Pranav Kallem

Social media processing is a fundamental task in natural language processing with numerous applications. As Vietnamese social media and information science have grown rapidly, the necessity of information-based mining on Vietnamese social…

计算与语言 · 计算机科学 2023-09-07 Chau-Thang Phan , Quoc-Nam Nguyen , Chi-Thanh Dang , Trong-Hop Do , Kiet Van Nguyen

Multimodal fake news video detection is a crucial research direction for maintaining the credibility of online information. Existing studies primarily verify content authenticity by constructing multimodal feature fusion representations or…

计算机视觉与模式识别 · 计算机科学 2026-04-09 Hui Li , Peien Ding , Jun Li , Guoqi Ma , Zhanyu Liu , Ge Xu , Junfeng Yao , Jinsong Su

Multimodal Named Entity Recognition (MNER) is a pivotal task designed to extract named entities from text with the support of pertinent images. Nonetheless, a notable paucity of data for Chinese MNER has considerably impeded the progress of…

计算与语言 · 计算机科学 2024-03-04 Yuanze Ji , Bobo Li , Jun Zhou , Fei Li , Chong Teng , Donghong Ji

With social media becoming ubiquitous, information consumption from this media has also increased. However, one of the serious problems that have emerged with this increase, is the propagation of rumors. Therefore, rumor identification is a…

社会与信息网络 · 计算机科学 2020-07-23 Mingxuan Chen , Ning Wang , K. P. Subbalakshmi

We present a novel graph neural network (GNN) architecture for retrieval-augmented generation (RAG) that leverages query-aware attention mechanisms and learned scoring heads to improve retrieval accuracy on complex, multi-hop questions.…

信息检索 · 计算机科学 2025-08-11 Vibhor Agrawal , Fay Wang , Rishi Puri

Social media tend to be rife with rumours while new reports are released piecemeal during breaking news. Interestingly, one can mine multiple reactions expressed by social media users in those situations, exploring their stance towards…

计算与语言 · 计算机科学 2016-09-08 Michal Lukasik , Kalina Bontcheva , Trevor Cohn , Arkaitz Zubiaga , Maria Liakata , Rob Procter

Current general-purpose large language models (LLMs) commonly exhibit knowledge hallucination and insufficient domain-specific adaptability in domain-specific tasks, limiting their effectiveness in specialized question answering scenarios.…

信息检索 · 计算机科学 2025-09-16 Mengzheng Yang , Yanfei Ren , David Osei Opoku , Ruochang Li , Peng Ren , Chunxiao Xing

With the rapid development of information technology, online platforms (e.g., news portals and social media) generate enormous web information every moment. Therefore, it is crucial to extract structured representations of events from…

计算与语言 · 计算机科学 2021-12-21 Jiangwei Liu , Jingshu Zhang , Xiaohong Huang , Liangyu Min

The explosive growth of rumors with text and images on social media platforms has drawn great attention. Existing studies have made significant contributions to cross-modal information interaction and fusion, but they fail to fully explore…

计算机视觉与模式识别 · 计算机科学 2023-06-29 Jiawei Liu , Jingyi Xie , Fanrui Zhang , Qiang Zhang , Zheng-jun Zha

With the wide application of IoT and industrial IoT technologies, the network structure is becoming more and more complex, and the traffic scale is growing rapidly, which makes the traditional security protection mechanism face serious…

计算机与社会 · 计算机科学 2025-04-25 Qiuyan Xiang , Shuang Wu , Dongze Wu , Yuxin Liu , Zhenkai Qin

The widespread use of social media has accelerated the dissemination of information, but it has also facilitated the spread of harmful rumours, which can disrupt economies, influence political outcomes, and exacerbate public health crises,…

计算与语言 · 计算机科学 2025-02-10 Daniel Wai Kit Chin , Roy Ka-Wei Lee

Mind-map generation aims to process a document into a hierarchical structure to show its central idea and branches. Such a manner is more conducive to understanding the logic and semantics of the document than plain text. Recently, a…

计算与语言 · 计算机科学 2023-12-20 Zhuowei Zhang , Mengting Hu , Yinhao Bai , Zhen Zhang

Parody is an emerging phenomenon on social media, where individuals imitate a role or position opposite to their own, often for humor, provocation, or controversy. Detecting and analyzing parody can be challenging and is often reliant on…

计算与语言 · 计算机科学 2025-02-25 Yilun Zheng , Sha Li , Fangkun Wu , Yang Ziyi , Lin Hongchao , Zhichao Hu , Cai Xinjun , Ziming Wang , Jinxuan Chen , Sitao Luan , Jiahao Xu , Lihui Chen

Abusive language is a concerning problem in online social media. Past research on detecting abusive language covers different platforms, languages, demographies, etc. However, models trained using these datasets do not perform well in…

计算与语言 · 计算机科学 2023-07-31 Punyajoy Saha , Divyanshu Sheth , Kushal Kedia , Binny Mathew , Animesh Mukherjee

Answering questions that require reading texts in an image is challenging for current models. One key difficulty of this task is that rare, polysemous, and ambiguous words frequently appear in images, e.g., names of places, products, and…

计算机视觉与模式识别 · 计算机科学 2020-04-01 Difei Gao , Ke Li , Ruiping Wang , Shiguang Shan , Xilin Chen

Code clone detection is a fundamental task in software engineering that underpins refactoring, debugging, plagiarism detection, and vulnerability analysis. Existing methods often rely on singular representations such as abstract syntax…

软件工程 · 计算机科学 2025-10-29 Zixian Zhang , Takfarinas Saber

The context-dependent nature of online aggression makes annotating large collections of data extremely difficult. Previously studied datasets in abusive language detection have been insufficient in size to efficiently train deep learning…

计算与语言 · 计算机科学 2018-08-31 Younghun Lee , Seunghyun Yoon , Kyomin Jung