Zobrazeno 1 - 10
of 45
pro vyhledávání: '"Gai, Lei"'
Autor:
Zhang, Xinjian, Song, Siyuan, Ma, Xiaoping, Zhang, Haonan, Gai, Lei, Gu, Yongjian, Li, Wendong
We study the influence rules of the speckle size of light source on ghost imaging, and propose a new type of speckle patterns to improve the quality of ghost imaging. The results show that the image quality will first increase and then decrease with
Externí odkaz:
http://arxiv.org/abs/2203.05499
Autor:
Dong, Shanchuan, Yu, Yonghe, Zheng, Shangshuai, Zhu, Qiming, Gai, Lei, Li, Wendong, Gu, Yongjian
Polarization encoding quantum key distribution has been proven to be a reliable method to build a secure communication system. It has already been used in inter-city fiber channel and near-earth atmosphere channel, leaving underwater channel the last
Externí odkaz:
http://arxiv.org/abs/2203.04598
Autor:
Gai, Lei
Using structural informations to summarize graph-structured RDF data is helpful in tackling query performance issues. However, leveraging structural indexes needs to revise or even redesign the internal of RDF systems. Given an RDF dataset that have
Externí odkaz:
http://arxiv.org/abs/2001.08329
Akademický článek
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Publikováno v:
In Ceramics International 15 September 2021 47(18):25541-25550
Relational databases are wildly adopted in RDF (Resource Description Framework) data management. For efficient SPARQL query evaluation, the legacy query optimizer needs reconsiderations. One vital problem is how to tackle the suboptimal query plan ca
Externí odkaz:
http://arxiv.org/abs/1605.06865
RDF query optimization is a challenging problem. Although considerable factors and their impacts on query efficiency have been investigated, this problem still needs further investigation. We identify that decomposing query into a series of light-wei
Externí odkaz:
http://arxiv.org/abs/1510.07749
The scalability and exibility of Resource Description Framework(RDF) model make it ideally suited for representing online social networks(OSN). One basic operation in OSN is to find chains of relations,such as k-Hop friends. Property path query in SP
Externí odkaz:
http://arxiv.org/abs/1405.6500
Publikováno v:
Immunopharmacology & Immunotoxicology; Apr2024, Vol. 46 Issue 2, p152-160, 9p
Akademický článek
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