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Semantic parsing has long been a fundamental problem in natural language processing. Recently, cross-domain context-dependent semantic parsing has become a new focus of research. Central to the problem is the challenge of leveraging…

Computation and Language · Computer Science 2021-01-06 Binyuan Hui , Ruiying Geng , Qiyu Ren , Binhua Li , Yongbin Li , Jian Sun , Fei Huang , Luo Si , Pengfei Zhu , Xiaodan Zhu

Decentralized learning has recently been attracting increasing attention for its applications in parallel computation and privacy preservation. Many recent studies stated that the underlying network topology with a faster consensus rate…

Machine Learning · Computer Science 2023-10-17 Yuki Takezawa , Ryoma Sato , Han Bao , Kenta Niwa , Makoto Yamada

In graph neural networks (GNNs), message passing iteratively aggregates nodes' information from their direct neighbors while neglecting the sequential nature of multi-hop node connections. Such sequential node connections e.g., metapaths,…

Semantic communication emphasizes the transmission of meaning rather than raw symbols. It offers a promising solution to alleviate network congestion and improve transmission efficiency. In this paper, we propose a wireless image…

Signal Processing · Electrical Eng. & Systems 2025-07-17 Chen Zhu , Siyun Liang , Zhouxiang Zhao , Jianrong Bao , Zhaohui Yang , Zhaoyang Zhang , Dusit Niyato

In the era of personalized education, the provision of comprehensible explanations for learning recommendations is of a great value to enhance the learner's understanding and engagement with the recommended learning content. Large language…

Artificial Intelligence · Computer Science 2025-01-23 Hasan Abu-Rasheed , Christian Weber , Madjid Fathi

Knowledge graph (KG) plays an increasingly important role in recommender systems. Recently, graph neural networks (GNNs) based model has gradually become the theme of knowledge-aware recommendation (KGR). However, there is a natural…

Information Retrieval · Computer Science 2022-04-20 Ding Zou , Wei Wei , Xian-Ling Mao , Ziyang Wang , Minghui Qiu , Feida Zhu , Xin Cao

Incorporating knowledge graph into recommendation is an effective way to alleviate data sparsity. Most existing knowledge-aware methods usually perform recursive embedding propagation by enumerating graph neighbors. However, the number of…

Information Retrieval · Computer Science 2023-04-18 Bingchao Wu , Yangyuxuan Kang , Daoguang Zan , Bei Guan , Yongji Wang

To provide more accurate, diverse, and explainable recommendation, it is compulsory to go beyond modeling user-item interactions and take side information into account. Traditional methods like factorization machine (FM) cast it as a…

Machine Learning · Computer Science 2019-06-11 Xiang Wang , Xiangnan He , Yixin Cao , Meng Liu , Tat-Seng Chua

Knowledge Graph Completion (KGC) has been proposed to improve Knowledge Graphs by filling in missing connections via link prediction or relation extraction. One of the main difficulties for KGC is a low resource problem. Previous approaches…

Computation and Language · Computer Science 2023-01-26 Ningyu Zhang , Shumin Deng , Zhanlin Sun , Jiaoayan Chen , Wei Zhang , Huajun Chen

Knowledge graph (KG) alignment and completion are usually treated as two independent tasks. While recent work has leveraged entity and relation alignments from multiple KGs, such as alignments between multilingual KGs with common entities…

Computation and Language · Computer Science 2022-10-19 Vinh Tong , Dat Quoc Nguyen , Trung Thanh Huynh , Tam Thanh Nguyen , Quoc Viet Hung Nguyen , Mathias Niepert

We propose a novel technique to enhance Knowledge Graph Reasoning by combining Graph Convolution Neural Network (GCN) with the Attention Mechanism. This approach utilizes the Attention Mechanism to examine the relationships between entities…

Information Retrieval · Computer Science 2025-03-24 Meera Gupta , Ravi Khanna , Divya Choudhary , Nandini Rao

Task-oriented semantic communication has gained increasing attention due to its ability to reduce the amount of transmitted data without sacrificing task performance. Although some prior efforts have been dedicated to developing semantic…

Signal Processing · Electrical Eng. & Systems 2024-05-20 Chuanhong Liu , Caili Guo , Yang Yang , Wanli Ni , Yanquan Zhou , Lei Li , Tony Q. S. Quek

Frame semantic parsing is a semantic analysis task based on FrameNet which has received great attention recently. The task usually involves three subtasks sequentially: (1) target identification, (2) frame classification and (3) semantic…

Computation and Language · Computer Science 2021-09-28 Zhichao Lin , Yueheng Sun , Meishan Zhang

Providing conversation models with background knowledge has been shown to make open-domain dialogues more informative and engaging. Existing models treat knowledge selection as a sentence ranking or classification problem where each…

Computation and Language · Computer Science 2022-07-04 Sha Li , Mahdi Namazifar , Di Jin , Mohit Bansal , Heng Ji , Yang Liu , Dilek Hakkani-Tur

Text-guided image retrieval is to incorporate conditional text to better capture users' intent. Traditionally, the existing methods focus on minimizing the embedding distances between the source inputs and the targeted image, using the…

Computer Vision and Pattern Recognition · Computer Science 2023-08-17 Junyang Chen , Hanjiang Lai

Knowledge Graphs (KGs) have been applied to many tasks including Web search, link prediction, recommendation, natural language processing, and entity linking. However, most KGs are far from complete and are growing at a rapid pace. To…

Artificial Intelligence · Computer Science 2017-11-10 Baoxu Shi , Tim Weninger

The problem of predicting human motion given a sequence of past observations is at the core of many applications in robotics and computer vision. Current state-of-the-art formulate this problem as a sequence-to-sequence task, in which a…

Computer Vision and Pattern Recognition · Computer Science 2020-03-25 Enric Corona , Albert Pumarola , Guillem Alenyà , Francesc Moreno-Noguer

Conversational recommender system (CRS), which combines the techniques of dialogue system and recommender system, has obtained increasing interest recently. In contrast to traditional recommender system, it learns the user preference better…

Information Retrieval · Computer Science 2024-08-05 Yunwen Xia , Hui Fang , Jie Zhang , Chong Long

Human-curated knowledge graphs provide critical supportive information to various natural language processing tasks, but these graphs are usually incomplete, urging auto-completion of them. Prevalent graph embedding approaches, e.g.,…

Computation and Language · Computer Science 2021-02-25 Bo Wang , Tao Shen , Guodong Long , Tianyi Zhou , Yi Chang

Knowledge graphs provide structured context for multi-hop question answering, but deployed systems must balance answer accuracy with strict latency and cost targets while preserving provenance. Static k-hop expansions and "think-longer"…

Artificial Intelligence · Computer Science 2026-04-01 Yang Zhao , Chengxiao Dai , Wei Zhuo , Yue Xiu , Dusit Niyato
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