Beijing University of Posts and Telecommunications

Results: 21



#Item
11Metamaterials / Optics / Photonics / Linear algebra / Eigenvalues and eigenvectors / Photonic crystal / Plane wave expansion method / Matrix / Lattice / Algebra / Mathematics / Matrix theory

Computing photonic band structures by Dirichlet-to-Neumann maps: the triangular lattice Jianhua Yuan Department of Mathematics, Beijing University of Posts and Telecommunications Beijing, China

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Source URL: math.cityu.edu.hk

Language: English - Date: 2007-01-05 22:58:17
12Linear algebra / Algebraic topology / CW complex / Homotopy theory / Eigenvalues and eigenvectors / Vector space / Algebra / Mathematics / Abstract algebra

Dirichlet-to-Neumann Map Method with Boundary Cells for Photonic Crystals Devices Jianhua Yuan1 and Ya Yan Lu2 1 Department of Mathematics, Beijing University of Posts and Telecommunications

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Source URL: math.cityu.edu.hk

Language: English - Date: 2010-04-25 05:12:32
13Abstract algebra / Matrix theory / Optics / Wave mechanics / Eigenvalues and eigenvectors / Eigenvalue algorithm / Quadratic eigenvalue problem / Vector space / Dispersion / Algebra / Mathematics / Linear algebra

Photonic Bandgap Calculations Using Dirichlet-to-Neumann Maps Jianhua Yuan Department of Mathematics Beijing University of Posts and Telecommunications

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Source URL: math.cityu.edu.hk

Language: English - Date: 2006-07-15 02:20:09
14Twitter / Relevance feedback / Tf*idf / Learning to rank / Query expansion / Relevance / Search engine indexing / Stemming / Information science / Information retrieval / Science

PRIS at TREC 2013 Microblog Track Siming Zhu, Zhe Gao, Yajing Yuan, Hui Wang, Guang Chen School of Information and Communication Engineering Beijing University of Posts and Telecommunications Abstract:

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Source URL: trec.nist.gov

Language: English - Date: 2014-02-28 12:39:27
15Search engine indexing / Entity-relationship model / Document retrieval / Named-entity recognition / Text Retrieval Conference / Information science / Information retrieval / Science

BUPT at TREC 2009: Entity Track Zhanyi Wang, Dongxin Liu, Weiran Xu, Guang Chen, Jun Guo Pattern Recognition and Intelligent System Lab, Beijing University of Posts and Telecommunications, Beijing, China, [removed]wangzhan

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Source URL: trec.nist.gov

Language: English - Date: 2010-02-12 08:56:01
16Query expansion / Sentiment analysis / Language model / Search engine indexing / Information science / Information retrieval / Relevance

PRIS in TREC 2008 Blog Track Hui He, Bo Chen, Lei Du, Si Li, Huiji Gao, Weiran Xu, Jun Guo School of Information and Communication Engineering, Beijing University of Posts and Telecommunications Beijing, P.R. China, 1008

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Source URL: trec.nist.gov

Language: English - Date: 2009-02-10 08:12:14
17Information retrieval / Social information processing / GroupLens Research / University of Minnesota / Collaborative filtering / Recommender system / Science / K-nearest neighbor algorithm / Information science / Human–computer interaction / Collaboration

Finding Group Shilling in Recommendation System1 Xue-Feng Su Computer Science and Technology Beijing University of Posts and Telecommunications Beijing[removed], P.R.China

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Source URL: www2005.org

Language: English - Date: 2005-04-05 10:19:20
18Jaccard index / Tf*idf / Relevance / Search engine indexing / Information science / Information retrieval / Relevance feedback

PRIS at TREC2012 KBA Track Yan Li, Zhaozhao Wang, Baojin Yu, Yong Zhang, Ruiyang Luo, Weiran Xu, Guang Chen, Jun Guo School of Information and Communication Engineering, Beijing University of Posts and Telecommunications

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Source URL: trec.nist.gov

Language: English - Date: 2013-02-12 08:11:20
19Information / CrowdFlower / Crowdsourcing / Mission District /  San Francisco /  California / Relevance / Science / Information science / Information retrieval

BUPT_PRIS at TREC 2012 Crowdsourcing Track1: Chuang Zhang, Minjie Zeng, Xiaokang Sang, Kailai Zhang, Houfu Kang Pattern Recognition and Intelligent System Lab, Beijing University of Posts and Telecommunications, P.R.Chin

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Source URL: trec.nist.gov

Language: English - Date: 2013-02-12 08:11:17
20Computational linguistics / Natural language processing / Real-time web / Text messaging / Twitter / Query expansion / WordNet / Text Retrieval Conference / Ranking function / Information science / Information retrieval / Science

PRIS at 2012 Microblog Track Jiayue Zhang, Sijia Chen, Yue Liu, Jie Yin, Qianqian Wang, Weiran Xu, Jun Guo School of Information and Communication Engineering Beijing University of Posts and Telecommunications 1 Preproc

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Source URL: trec.nist.gov

Language: English - Date: 2013-02-12 08:11:20
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