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Transformers models have become the backbone of the current state-of-the-art models in language, vision, and multimodal domains. These models, at their core, utilize multi-head self-attention to selectively aggregate context, generating…

计算机视觉与模式识别 · 计算机科学 2024-05-10 Subodh Kamble , Kunal Sunil Kasodekar

This work deals with the challenge of learning and reasoning over multi-modal multi-hop question answering (QA). We propose a graph reasoning network based on the semantic structure of the sentences to learn multi-source reasoning paths and…

计算与语言 · 计算机科学 2025-01-09 Navya Yarrabelly , Saloni Mittal

Topological Deep Learning seeks to enhance the predictive performance of neural network models by harnessing topological structures in input data. Topological neural networks operate on spaces such as cell complexes and hypergraphs, that…

Knowledge graph reasoning (KGR) is the task of inferring new knowledge by performing logical deductions on knowledge graphs. Recently, large language models (LLMs) have demonstrated remarkable performance in complex reasoning tasks. Despite…

人工智能 · 计算机科学 2025-12-11 Yu Liu , Xixun Lin , Yanmin Shang , Yangxi Li , Shi Wang , Yanan Cao

Learning the problem structure at multiple levels of coarseness to inform the decomposition-based hybrid quantum-classical combinatorial optimization solvers is a promising approach to scaling up variational approaches. We introduce a…

量子物理 · 物理学 2025-03-18 Bao Bach , Jose Falla , Ilya Safro

Asking clarifying questions in response to ambiguous or faceted queries has been recognized as a useful technique for various information retrieval systems, especially conversational search systems with limited bandwidth interfaces.…

信息检索 · 计算机科学 2020-06-16 Helia Hashemi , Hamed Zamani , W. Bruce Croft

In recent years, scholarly data has grown dramatically in terms of both scale and complexity. It becomes increasingly challenging to retrieve information from scholarly knowledge graphs that include large-scale heterogeneous relationships,…

计算与语言 · 计算机科学 2023-11-15 Ruijie Wang , Zhiruo Zhang , Luca Rossetto , Florian Ruosch , Abraham Bernstein

Semantic parsing solves knowledge base (KB) question answering (KBQA) by composing a KB query, which generally involves node extraction (NE) and graph composition (GC) to detect and connect related nodes in a query. Despite the strong…

计算与语言 · 计算机科学 2022-07-11 Minhao Zhang , Ruoyu Zhang , Yanzeng Li , Lei Zou

In this paper, we introduce a two-level attention schema, Poolingformer, for long document modeling. Its first level uses a smaller sliding window pattern to aggregate information from neighbors. Its second level employs a larger window to…

计算与语言 · 计算机科学 2022-10-25 Hang Zhang , Yeyun Gong , Yelong Shen , Weisheng Li , Jiancheng Lv , Nan Duan , Weizhu Chen

It is well understood that different neural network architectures are suited to different tasks, but is there always a single best architecture for a given task? We compare the expressive power of transformers, RNNs, and transformers with…

机器学习 · 计算机科学 2026-01-29 Gilad Yehudai , Noah Amsel , Joan Bruna

OwnThink stands as the most extensive Chinese open-domain knowledge graph introduced in recent times. Despite prior attempts in question answering over OwnThink (OQA), existing studies have faced limitations in model representation…

计算与语言 · 计算机科学 2024-06-05 Zhuoyang Li , Liran Deng , Hui Liu , Qiaoqiao Liu , Junzhao Du

Given the broad application of infrared technology across diverse fields, there is an increasing emphasis on investigating super-resolution techniques for infrared images within the realm of deep learning. Despite the impressive results of…

图像与视频处理 · 电气工程与系统科学 2024-01-25 Feiwei Qin , Kang Yan , Changmiao Wang , Ruiquan Ge , Yong Peng , Kai Zhang

In decoder-only (causal) transformers, the computation graph created by causal masking routes information through both direct-path attention and indirect paths formed by intermediate tokens. We denote these indirect paths between token…

机器学习 · 计算机科学 2026-01-22 Hunjae Lee , Corey Clark

This study addresses the challenge of ambiguity in knowledge graph question answering (KGQA). While recent KGQA systems have made significant progress, particularly with the integration of large language models (LLMs), they typically assume…

计算与语言 · 计算机科学 2025-04-15 Liqiang Wen , Guanming Xiong , Tong Mo , Bing Li , Weiping Li , Wen Zhao

As an important step towards visual reasoning, visual grounding (e.g., phrase localization, referring expression comprehension/segmentation) has been widely explored Previous approaches to referring expression comprehension (REC) or…

计算机视觉与模式识别 · 计算机科学 2021-07-15 Muchen Li , Leonid Sigal

Question Answering (QA) systems provide easy access to the vast amount of knowledge without having to know the underlying complex structure of the knowledge. The research community has provided ad hoc solutions to the key QA tasks,…

计算与语言 · 计算机科学 2019-06-11 Somayeh Asadifar , Mohsen Kahani , Saeedeh Shekarpour

An embodied task such as embodied question answering (EmbodiedQA), requires an agent to explore the environment and collect clues to answer a given question that related with specific objects in the scene. The solution of such task usually…

计算机视觉与模式识别 · 计算机科学 2021-10-19 Yang Wu , Shirui Feng , Guanbin Li , Liang Lin

Linearization of attention using various kernel approximation and kernel learning techniques has shown promise. Past methods used a subset of combinations of component functions and weight matrices within the random feature paradigm. We…

机器学习 · 计算机科学 2025-09-24 Duke Nguyen , Du Yin , Aditya Joshi , Flora Salim

Large language models (LLMs) demonstrate exceptional performance across a variety of tasks, yet they are often affected by hallucinations and the timeliness of knowledge. Leveraging knowledge graphs (KGs) as external knowledge sources has…

计算与语言 · 计算机科学 2024-12-31 Siyuan Fang , Kaijing Ma , Tianyu Zheng , Xinrun Du , Ningxuan Lu , Ge Zhang , Qingkun Tang

The discovery of new molecules based on the original chemical molecule distributions is of great importance in medicine. The graph transformer, with its advantages of high performance and scalability compared to traditional graph networks,…

机器学习 · 计算机科学 2025-04-30 Ji Shi , Chengxun Xie , Zhonghao Li , Xinming Zhang , Miao Zhang