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  • 1
    Online Resource
    Online Resource
    Deformation, Bearing Capacity, and Reliability of Building Formwork System Based on Real-Time Monitoring
    Hindawi Limited ; 2022
    In:  Mobile Information Systems Vol. 2022 ( 2022-6-3), p. 1-10
    Details
    In: Mobile Information Systems, Hindawi Limited, Vol. 2022 ( 2022-6-3), p. 1-10
    Abstract: The deformation performance of aluminum alloy formwork under stress is investigated in this research using static tests. The entire model of aluminum alloy formwork under load during construction is investigated using finite element simulation. And then, there’s the project’s actual value. The function is established during the construction period under the limit state of typical use of the wall in terms of reliability. The fluctuation characteristics of the dependability index of the out-of-plane deformation of the concrete wall are explored, and various results are produced, by taking into account the various reinforcement variables of the aluminum formwork. The study discovered that when the number of uses increases during the turnover usage process, the bearing capacity of the building formwork support gradually decreases, and the associated reliability index falls below 2. Adding horizontal and vertical rods above 3.6 m to the single support system, in combination with other elements, is recommended to strengthen its stability. The results reveal that joint semirigidity and wall thickness have a significant influence on the ultimate bearing capacity of construction formwork. The change characteristics of building formwork ultimate bearing capacity in the process of repeated turnover use are studied by increasing the initial defect method to simulate the increase of building formwork turnover times, with the conclusion that the more repeated use times, the lower the building formwork ultimate bearing capacity.
    Type of Medium: Online Resource
    ISSN: 1875-905X , 1574-017X
    URL: Article
    DOI: 10.1155/2022/3967734
    RVK:
    QA 10000
    Language: English
    Publisher: Hindawi Limited
    Publication Date: 2022
    detail.hit.zdb_id: 2187808-0
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  • 2
    Online Resource
    Online Resource
    Linking business ecosystem lifecycle with platform strategy: a triple view of technology, application and organisation
    Inderscience Publishers ; 2013
    In:  International Journal of Technology Management Vol. 62, No. 1 ( 2013), p. 75-
    Details
    In: International Journal of Technology Management, Inderscience Publishers, Vol. 62, No. 1 ( 2013), p. 75-
    Type of Medium: Online Resource
    ISSN: 0267-5730 , 1741-5276
    URL: Article
    DOI: 10.1504/IJTM.2013.053042
    RVK:
    QA 10000
    Language: English
    Publisher: Inderscience Publishers
    Publication Date: 2013
    SSG: 3,2
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    Online Resource
  • 3
    Online Resource
    Online Resource
    Semiparametric regression analysis for composite endpoints subject to componentwise censoring
    Oxford University Press (OUP) ; 2018
    In:  Biometrika Vol. 105, No. 2 ( 2018-06-01), p. 403-418
    Details
    In: Biometrika, Oxford University Press (OUP), Vol. 105, No. 2 ( 2018-06-01), p. 403-418
    Type of Medium: Online Resource
    ISSN: 0006-3444 , 1464-3510
    URL: Article
    DOI: 10.1093/biomet/asy013
    RVK:
    WA 15000
    RVK:
    QA 10000
    RVK:
    CL 1000
    Language: English
    Publisher: Oxford University Press (OUP)
    Publication Date: 2018
    detail.hit.zdb_id: 1119-8
    detail.hit.zdb_id: 1470319-1
    SSG: 12
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  • 4
    Online Resource
    Online Resource
    Dynamic Market Timing in Mutual Funds
    Institute for Operations Research and the Management Sciences (INFORMS) ; 2023
    In:  Management Science
    Details
    In: Management Science, Institute for Operations Research and the Management Sciences (INFORMS)
    Abstract: We use the dynamic conditional correlation (DCC) model to estimate daily frequency mutual fund betas. Compared with traditional estimates, daily betas better capture changes in fund risk stemming from daily fund trading activity. Based on these beta estimates and a two-stage estimation procedure, we find significant evidence of market timing ability among actively managed U.S. equity funds that is not apparent via standard approaches. Unlike traditional measures, our timing estimates correlate positively with fund performance. Market timing is especially evident during down markets, with successful timers exhibiting low downside risk. Timing ability persists across time and attracts investor flows. This paper was accepted by David Sraer, finance. Funding: This work was supported by the National Natural Science Foundation of China [Grants 72173127 and 72121001] and by the Institute for Industrial Innovation and Finance at Tsinghua University. Supplemental Material: The data files and online appendix are available at https://doi.org/10.1287/mnsc.2023.4857 .
    Type of Medium: Online Resource
    ISSN: 0025-1909 , 1526-5501
    URL: Article
    DOI: 10.1287/mnsc.2023.4857
    RVK:
    QP 300
    Language: English
    Publisher: Institute for Operations Research and the Management Sciences (INFORMS)
    Publication Date: 2023
    detail.hit.zdb_id: 206345-1
    detail.hit.zdb_id: 2023019-9
    SSG: 3,2
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  • 5
    Online Resource
    Online Resource
    Business ecosystem research agenda: more dynamic, more embedded, and more internationalized
    Springer Science and Business Media LLC ; 2018
    In:  Asian Business & Management Vol. 17, No. 3 ( 2018-7), p. 167-182
    Details
    In: Asian Business & Management, Springer Science and Business Media LLC, Vol. 17, No. 3 ( 2018-7), p. 167-182
    Type of Medium: Online Resource
    ISSN: 1472-4782 , 1476-9328
    URL: Article
    DOI: 10.1057/s41291-018-0038-6
    RVK:
    QG 800
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2018
    detail.hit.zdb_id: 2106083-6
    SSG: 3,2
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  • 6
    Online Resource
    Online Resource
    Incremental Upper Bound for the Maximum Clique Problem
    Institute for Operations Research and the Management Sciences (INFORMS) ; 2018
    In:  INFORMS Journal on Computing Vol. 30, No. 1 ( 2018-01), p. 137-153
    Details
    In: INFORMS Journal on Computing, Institute for Operations Research and the Management Sciences (INFORMS), Vol. 30, No. 1 ( 2018-01), p. 137-153
    Abstract: The maximum clique problem (MaxClique for short) consists of searching for a maximum complete subgraph in a graph. A branch-and-bound (BnB) MaxClique algorithm computes an upper bound of the number of vertices of a maximum clique at every search tree node, to prune the subtree rooted at the node. Existing upper bounds are usually computed from scratch at every search tree node. In this paper, we define an incremental upper bound, called IncUB, which is derived efficiently from previous searches instead of from scratch. Then, we describe a new BnB MaxClique algorithm, called IncMC2, which uses graph coloring and MaxSAT reasoning to filter out the vertices that do not need to be branched on, and uses IncUB to prune the remaining branches. Our experimental results show that IncMC2 is significantly faster than algorithms such as BBMC and IncMaxCLQ. Finally, we carry out experiments to provide evidence that the performance of IncMC2 is due to IncUB. The online supplement is available at https://doi.org/10.1287/ijoc.2017.0770 .
    Type of Medium: Online Resource
    ISSN: 1091-9856 , 1526-5528
    URL: Article
    DOI: 10.1287/ijoc.2017.0770
    RVK:
    QA 10000
    Language: English
    Publisher: Institute for Operations Research and the Management Sciences (INFORMS)
    Publication Date: 2018
    detail.hit.zdb_id: 2070411-2
    detail.hit.zdb_id: 2004082-9
    SSG: 3,2
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  • 7
    Online Resource
    Online Resource
    Outage Analysis and Optimization of SWIPT in Network-Coded Two-Way Relay Networks
    Hindawi Limited ; 2017
    In:  Mobile Information Systems Vol. 2017 ( 2017), p. 1-16
    Details
    In: Mobile Information Systems, Hindawi Limited, Vol. 2017 ( 2017), p. 1-16
    Abstract: This paper investigates the outage performance of simultaneous wireless information and power transfer (SWIPT) in network-coded two-way relay systems, where a relay first harvests energy from the signals transmitted by two sources and then uses the harvested energy to forward the received information to the two sources. We consider two transmission protocols, power splitting two-way relay (PS-TWR) and time switching two-way relay (TS-TWR) protocols. We present two explicit expressions for the system outage probability of the two protocols and further derive approximate expressions for them in high and low SNR cases. To explore the system performance limits, two optimization problems are formulated to minimize the system outage probability. Since the problems are nonconvex and have no known solution methods, a genetic algorithm- (GA-) based algorithm is designed. Numerical and simulation results validate our theoretical analysis. It is shown that, by jointly optimizing the time assignment and SWIPT receiver parameters, a great performance gain can be achieved for both PS-TWR and TS-TWR. Moreover, the optimized PS-TWR always outperforms the optimized TS-TWR in terms of outage performance. Additionally, the effects of parameters including relay location and transmit powers are also discussed, which provide some insights for the SWIPT-enabled two-way relay networks.
    Type of Medium: Online Resource
    ISSN: 1574-017X , 1875-905X
    URL: Article
    DOI: 10.1155/2017/2516035
    RVK:
    QA 10000
    Language: English
    Publisher: Hindawi Limited
    Publication Date: 2017
    detail.hit.zdb_id: 2187808-0
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  • 8
    Online Resource
    Online Resource
    Partition–Mallows Model and Its Inference for Rank Aggregation
    Informa UK Limited ; 2023
    In:  Journal of the American Statistical Association Vol. 118, No. 541 ( 2023-01-02), p. 343-359
    Details
    In: Journal of the American Statistical Association, Informa UK Limited, Vol. 118, No. 541 ( 2023-01-02), p. 343-359
    Type of Medium: Online Resource
    ISSN: 0162-1459 , 1537-274X
    URL: Article
    DOI: 10.1080/01621459.2021.1930547
    RVK:
    QA 10000
    RVK:
    SA 2455
    Language: English
    Publisher: Informa UK Limited
    Publication Date: 2023
    detail.hit.zdb_id: 2064981-2
    detail.hit.zdb_id: 207602-0
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