云南高校图书馆联盟文献共享服务平台- SEMANTIC

SEMANTIC: 作品数：704被引量：970H指数：12; 导出分析报告; 相关领域：自动化与计算机技术更多>>; 相关作者：于戈王祥瑞陈明崔立真王海洋更多>>; 相关机构：清华大学华中师范大学上海交通大学北京航空航天大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划国家高技术研究发展计划国家社会科学基金更多>>

Indoor Uncertain Semantic Trajectory Similarity Join: 《Journal of Computer Science & Technology》2024年第6期1441-1465,共25页Hong-Bo Yin Dong-Hua Yang Kai-Qi Zhang Hong Gao Jian-Zhong Li; supported by the National Natural Science Foundation of China under Grant Nos.U22A2025,U19A2059,61732003,61832003,U1811461,and 62102119;the Key Research and Development Projects of the Ministry of Science and Technology of China under Grant No.2019YFB2101902.; With the widespread deployment of indoor positioning systems, an unprecedented scale of indoor trajectories is being produced. By considering the inherent uncertainties and the text information contained in such an in...; 关键词：filtering-and-verification framework indoor uncertain semantic trajectory inverted index trajectory similarity join

Multi-Task Visual Semantic Embedding Network for Image-Text Retrieval: 《Journal of Computer Science & Technology》2024年第4期811-826,共16页Xue-Yang Qin Li-Shuang Li Jing-Yao Tang Fei Hao Mei-Ling Ge Guang-Yao Pang; supported by the National Natural Science Foundation of China under Grant No.62076048.; Image-text retrieval aims to capture the semantic correspondence between images and texts,which serves as a foundation and crucial component in multi-modal recommendations,search systems,and online shopping.Existing m...; 关键词：image-text retrieval cross-modal retrieval multi-task learning graph convolutional network

Multimodal Dependence Attention and Large-Scale Data Based Offline Handwritten Formula Recognition: 《Journal of Computer Science & Technology》2024年第3期654-670,共17页刘汉超董兰芳张信明; supported by the National Key Research and Development Program of China under Grant No.2020YFB1313602.; Offline handwritten formula recognition is a challenging task due to the variety of handwritten symbols and two-dimensional formula structures.Recently,the deep neural network recognizers based on the encoder-decoder ...; 关键词：handwritten formula recognition multimodal dependence attention semantic dependence visual dependence Handwritten Formula Image Dataset

Visual Topic Semantic Enhanced Machine Translation for Multi-Modal Data Efficiency: 《Journal of Computer Science & Technology》2023年第6期1223-1236,共14页王超蔡思佳史北祥崇志宏; supported by the National Natural Science Foundation of China under Grant No.52178034.; The scarcity of bilingual parallel corpus imposes limitations on exploiting the state-of-the-art supervised translation technology.One of the research directions is employing relations among multi-modal data to enhanc...; 关键词：multi-modal machine translation visual topic semantics data efficiency

Neural Attentional Relation Extraction with Dual Dependency Trees被引量：1: 《Journal of Computer Science & Technology》2022年第6期1369-1381,共13页Dong Li Zhi-Lei Lei Bao-Yan Song Wan-Ting Ji Yue Kou; the National Science and Technology Major Project of the Ministry of Science and Technology of China(Secret 501).; Relation extraction has been widely used to find semantic relations between entities from plain text.Dependency trees provide deeper semantic information for relation extraction.However,existing dependency tree based ...; 关键词：relation extraction graph convolutional network(GCN) syntactic dependency tree semantic dependency tree

Real-Time Semantic Segmentation via an Efficient Multi-Column Network: 《Journal of Computer Science & Technology》2022年第6期1478-1491,共14页Cheng-Li Peng Jia-Yi Ma; the National Natural Science Foundation of China under Grant No.61773295。; Existing semantic segmentation networks based on the multi-column structure can hardly satisfy the efficiency and precision requirements simultaneously due to their shallow spatial branches.In this paper,we propose a ...; 关键词：semantic segmentation real time multi-column network deep learning

Cloud Det ection Using Super Pixel Classification and Semantic Segmentation被引量：1: 《Journal of Computer Science & Technology》2019年第3期622-633,共12页Han Liu Hang Du Dan Zeng Qi Tian; ARO under Grant No.W911NF-15-1-0290;Faculty Research Gift Awards by NEC Lciboratories of America and Blippar to Dr.Qi Tian;the National Natural Science Foundation of China under Grant Nos.61429201 and 61572307.; Cloud detection plays a very significant role in remote sensing image processing.This paper introduces a cloud detection method based on super pixel level classification and semantic segmentation.Firstly,remote sensin...; 关键词：CLOUD detection CONVOLUTION NEURAL network deep FOREST SEMANTIC SEGMENTATION

Mining Semantic Trajectory Patterns from Geo-Tagged Data被引量：6: 《Journal of Computer Science & Technology》2018年第4期849-862,共14页Guochen Cai Kyungmi Lee Ickjai Lee; User-generated social media data tagged with geographic information present messages of dynamic spatiotemporal trajectories. These increasing mobility data provide potential opportunities to enhance the understanding ...; 关键词：semantic trajectory SPATIO-TEMPORAL geo-tagged data trajectory pattern mining

Higher-Order Smoothing: A Novel Semantic Smoothing Method for Text Classification被引量：3: 《Journal of Computer Science & Technology》2014年第3期376-391,共16页Mitat Poyraz Zeynep Hilal Kilimci Murat Can Ganiz; supported in part by the Scientific and Technological Research Council of Turkey(TBíTAK)under Grant No.111E239; It is known that latent semantic indexing （LSI） takes advantage of implicit higher-order （or latent） structure in the association of terms and documents. Higher-order relations in LSI capture ＂latent semantics＂....; 关键词：Naive Bayes semantic smoothing higher-order Naive Bayes higher-order smoothing text classification

Query Intent Disambiguation of Keyword-Based Semantic Entity Search in Dataspaces: 《Journal of Computer Science & Technology》2013年第2期382-393,共12页杨丹申德荣于戈寇月聂铁铮; supported by the National Basic Research 973 Program of China under Grant No. 2012CB316201;the National Natural Science Foundation of China under Grant Nos. 60973021, 61033007, 61003060;the Fundamental Research Funds for the Central Universities of China under Grant No. N100704001; Keyword query has attracted much research attention due to its simplicity and wide applications. The inherent ambiguity of keyword query is prone to unsatisfied query results. Moreover some existing techniques on Web ...; 关键词：query intent disambiguation semantic entity search dataspace

SEMANTIC