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Large language models (LLMs) show strong capabilities in general reasoning but typically lack reliability in scientific domains like quantum mechanics, which demand strict adherence to physical constraints. This limitation arises from the…

Previous knowledge graph embedding approaches usually map entities to representations and utilize score functions to predict the target entities, yet they typically struggle to reason rare or emerging unseen entities. In this paper, we…

计算与语言 · 计算机科学 2023-08-01 Peng Wang , Xin Xie , Xiaohan Wang , Ningyu Zhang

Knowledge embeddings (KE) represent a knowledge graph (KG) by embedding entities and relations into continuous vector spaces. Existing methods are mainly structure-based or description-based. Structure-based methods learn representations…

计算与语言 · 计算机科学 2023-06-30 Xintao Wang , Qianyu He , Jiaqing Liang , Yanghua Xiao

Knowledge graph (KG) reasoning is becoming increasingly popular in both academia and industry. Conventional KG reasoning based on symbolic logic is deterministic, with reasoning results being explainable, while modern embedding-based…

人工智能 · 计算机科学 2022-02-16 Wen Zhang , Jiaoyan Chen , Juan Li , Zezhong Xu , Jeff Z. Pan , Huajun Chen

Machine reading comprehension (MRC) requires reasoning about both the knowledge involved in a document and knowledge about the world. However, existing datasets are typically dominated by questions that can be well solved by context…

计算与语言 · 计算机科学 2018-09-13 Yibo Sun , Daya Guo , Duyu Tang , Nan Duan , Zhao Yan , Xiaocheng Feng , Bing Qin

Answering complex queries over knowledge graphs (KG) is an important yet challenging task because of the KG incompleteness issue and cascading errors during reasoning. Recent query embedding (QE) approaches to embed the entities and…

人工智能 · 计算机科学 2022-09-20 Zezhong Xu , Wen Zhang , Peng Ye , Hui Chen , Huajun Chen

Knowledge bases (KB), both automatically and manually constructed, are often incomplete --- many valid facts can be inferred from the KB by synthesizing existing information. A popular approach to KB completion is to infer new relations by…

Multi-hop Knowledge Base Question Answering (KBQA) aims to find the answer entities that are multiple hops away in the Knowledge Base (KB) from the entities in the question. A major challenge is the lack of supervision signals at…

计算与语言 · 计算机科学 2021-04-08 Gaole He , Yunshi Lan , Jing Jiang , Wayne Xin Zhao , Ji-Rong Wen

Knowledge base completion (KBC) aims to automatically infer missing facts by exploiting information already present in a knowledge base (KB). A promising approach for KBC is to embed knowledge into latent spaces and make predictions from…

人工智能 · 计算机科学 2020-10-30 Ralph Abboud , İsmail İlkan Ceylan , Thomas Lukasiewicz , Tommaso Salvatori

QA models based on pretrained language mod-els have achieved remarkable performance on various benchmark datasets.However, QA models do not generalize well to unseen data that falls outside the training distribution, due to distributional…

计算与语言 · 计算机科学 2021-06-25 Seanie Lee , Minki Kang , Juho Lee , Sung Ju Hwang

Deep pre-training and fine-tuning models (like BERT, OpenAI GPT) have demonstrated excellent results in question answering areas. However, due to the sheer amount of model parameters, the inference speed of these models is very slow. How to…

计算与语言 · 计算机科学 2019-04-23 Ze Yang , Linjun Shou , Ming Gong , Wutao Lin , Daxin Jiang

A major difficulty in developing and maintaining very large knowledge bases originates from the variety of forms in which knowledge is made available to the KB builder. The objective of this research is to bring together two complementary…

人工智能 · 计算机科学 2013-04-05 John Yen , Piero P. Bonissone

Deep Learning methods have been adopted in mobile networks, especially for network management automation where they provide means for advanced machine cognition. Deep learning methods utilize cutting-edge hardware and software tools,…

机器学习 · 计算机科学 2021-03-09 Marton Kajo , Stephen S. Mwanje , Benedek Schultz , Georg Carle

Search engines based on keyword retrieval can no longer adapt to the way of information acquisition in the era of intelligent Internet of Things due to the return of keyword related Internet pages. How to quickly, accurately and effectively…

计算与语言 · 计算机科学 2022-01-03 Gaochen Wu , Bin Xu , Yuxin Qin , Yang Liu , Lingyu Liu , Ziwei Wang

Knowledge bases are employed in a variety of applications from natural language processing to semantic web search; alas, in practice their usefulness is hurt by their incompleteness. Embedding models attain state-of-the-art accuracy in…

Compositional spatio-temporal reasoning poses a significant challenge in the field of video question answering (VideoQA). Existing approaches struggle to establish effective symbolic reasoning structures, which are crucial for answering…

计算机视觉与模式识别 · 计算机科学 2024-04-08 Lili Liang , Guanglu Sun , Jin Qiu , Lizhong Zhang

Knowledge-Based Visual Question Answering (KB-VQA) methods focus on tasks that demand reasoning with information extending beyond the explicit content depicted in the image. Early methods relied on explicit knowledge bases to provide this…

计算与语言 · 计算机科学 2025-05-27 Mohammad Mahdi Moradi , Sudhir Mudur

Knowledge Graph Question Answering (KGQA) aims to answer user-questions from a knowledge graph (KG) by identifying the reasoning relations between topic entity and answer. As a complex branch task of KGQA, multi-hop KGQA requires reasoning…

计算与语言 · 计算机科学 2022-11-15 Weiqiang Jin , Biao Zhao , Hang Yu , Xi Tao , Ruiping Yin , Guizhong Liu

Investigating the reasoning abilities of transformer models, and discovering new challenging tasks for them, has been a topic of much interest. Recent studies have found these models to be surprisingly strong at performing deductive…

计算与语言 · 计算机科学 2021-12-17 Kyle Richardson , Ashish Sabharwal

Current Visual Question Answering (VQA) systems can answer intelligent questions about `Known' visual content. However, their performance drops significantly when questions about visually and linguistically `Unknown' concepts are presented…

计算机视觉与模式识别 · 计算机科学 2018-12-03 Moshiur R Farazi , Salman H Khan , Nick Barnes