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Your search keyword '"Yu, Songmei"' showing total 16 results
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16 results on '"Yu, Songmei"'

2. Modeling Social Influence in Mobile Messaging Apps

Author

Yu, Songmei, Poger, Sofya, Hutchison, David, Editorial Board Member, Kanade, Takeo, Editorial Board Member, Kittler, Josef, Editorial Board Member, Kleinberg, Jon M., Editorial Board Member, Mattern, Friedemann, Editorial Board Member, Mitchell, John C., Editorial Board Member, Naor, Moni, Editorial Board Member, Pandu Rangan, C., Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Terzopoulos, Demetri, Editorial Board Member, Tygar, Doug, Editorial Board Member, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Miller, John, editor, Stroulia, Eleni, editor, Lee, Kisung, editor, and Zhang, Liang-Jie, editor

Published
2019
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4. Cascaded Star: A Hyper-Dimensional Model for a Data Warehouse

Author

Yu, Songmei, Atluri, Vijayalakshmi, Adam, Nabil, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Dough, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Bressan, Stéphane, editor, Küng, Josef, editor, and Wagner, Roland, editor

Published
2006
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5. Preview: Optimizing View Materialization Cost in Spatial Data Warehouses

Author

Yu, Songmei, Atluri, Vijayalakshmi, Adam, Nabil, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Dough, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Tjoa, A Min, editor, and Trujillo, Juan, editor

Published
2006
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6. Hierarchical Metadata Driven View Selection for Spatial Query Evaluations

Author

Yu, Songmei, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Dough, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Fan, Wenfei, editor, Wu, Zhaohui, editor, and Yang, Jun, editor

Published
2005
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7. Selective View Materialization in a Spatial Data Warehouse

Author

Yu, Songmei, Atluri, Vijayalakshmi, Adam, Nabil, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Dough, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Tjoa, A Min, editor, and Trujillo, Juan, editor

Published
2005
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8. Preview

Author

Yu, Songmei, primary, Atluri, Vijayalakshmi, additional, and Adam, Nabil, additional

Published
2010
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12. Evaluating viral interference between Influenza virus and Newcastle disease virus using real-time reverse transcription–polymerase chain reaction in chicken eggs

Author

Ge Shengqiang, Zheng Dongxia, Zhao Yunling, Liu Hualei, Liu Wenbo, Sun Qing, Li Jinming, Yu Songmei, Zuo Yuanyuan, Han Xiuju, Li Lin, Lv Yan, Wang Yingli, Liu Xiufan, and Wang Zhiliang

Subjects
Viral interference, Influenza virus, Newcastle disease virus, Real-time RT-PCR, Infectious and parasitic diseases, RC109-216
Abstract

Abstract Background Simultaneous and sequential allantoic cavity inoculations of Specific-pathogen-free (SPF) chicken eggs with Influenza virus (AIV) and Newcastle disease virus (NDV) demonstrated that the interaction of AIV and NDV during co-infection was variable. Our research revisited the replication interference potential of AIV and NDV using real-time reverse transcription–polymerase chain reaction (real-time RT-PCR) for AIV and NDV to specifically detect the viral genomes in mixed infections. Results Data from this survey showed that when different doses of NDV (Lasota or F48E8) and AIV (F98 or H5N1) were simultaneously inoculated into embryonating chicken eggs (ECE), interference with the growth of NDV occurred, while interference with the growth of AIV did not occur. When equal amount of the two viruses were sequentially employed, the degree of interference was dependent upon the time of superinfection and the virulence of virus. Conclusion AIV have a negative impact on NDV growth if they are inoculated simultaneously or sequentially and that the degree of interference depended upon the quantity and relative virulence of the virus strains used; however, interference with AIV was not observed. Only if NDV were inoculated at an earlier time will NDV able to interfere with the growth of AIV.

Published
2012
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15. Computer Fraud: Financial and Ethical implications

Author

Casabona, Patrick and Yu, Songmei

Subjects
Business, general, Business
Abstract

Estimates of computer fraud run as high as $9 billion a year, but the full extent is unknown because most crimes are not reported. These misdeeds distort the integrity of [...]

Published
1998

16. Hierarchical Metadata Driven View Selection for Spatial Query Evaluations.

Author

Fan, Wenfei, Wu, Zhaohui, Yang, Jun, and Yu, Songmei

Abstract

A spatial data warehouse (SDW) is constructed to support the spatial data analysis for decision support purposes. Selectively materializing spatial views to rewrite input queries and thus reduce query response time is a challenging issue for spatial query evaluations. In this paper, we first investigate the issue of using spatial metadata to construct a spatial view dependency framework, which implies an order to materialize views. We then propose a cost model to evaluate the cost for processing spatial queries, which measures the online computation vs. space cost for spatial queries. A greedy algorithm is introduced to materialize a set of views based on the view dependence framework with associated cost value at each dependence level, which shows the local cost optimality of designing an SDW. [ABSTRACT FROM AUTHOR]

Published
2005
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