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Answering Approximate Range Aggregate Queries on OLAP Data Cubes with Probabilistic Guarantees

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  1. Chapter and Conference Paper

    Discriminate of Moldy Chestnut Based on Near Infrared Spectroscopy and Feature Extraction by Fourier Transform

    As near infrared spectra has the characters of multi-variables and strong correlations, to solve the problem, Fourier transform (FT) was used to extract feature variables of shelled chestnuts spectra. FT coeff...

    Zhu Zhou, **aoyu Li, Peiwu Li, Yun Gao in Computer and Computing Technologies in Agr… (2011)

  2. Chapter and Conference Paper

    Non-destructive Measurement of Sugar Content in Chestnuts Using Near-Infrared Spectroscopy

    The chestnut (Castanea) is an important fruit in Europe and Asia. As a highly variable fruit, its quality is graded according to nutrition components, especially according to the sugar content, which are tradi...

    Jie Liu, **aoyu Li, Peiwu Li, Wei Wang in Computer and Computing Technologies in Agr… (2011)

  3. Chapter and Conference Paper

    Design and Simulation of Jujube Sapling Transplanter

    This paper is aiming at designing a novel jujube transplanter with mechanic arms, which can support the sapling for a while when other operations is going on. It improves uniformity and stability. Pro-E softwa...

    Wangyuan Zong, Wei Wang, Yonghua Sun in Computer and Computing Technologies in Agr… (2011)

  4. Chapter and Conference Paper

    Design and Simulation for Bionic Mechanical Arm in Jujube Transplanter

    In this paper an automatic bionic mechanical arm of jujube transplanter has been designed and simulated with Pro/E and ADAMS software. The device can achieve the work of clam**—sending—setting the sapling an...

    Yonghua Sun, Wei Wang, Wangyuan Zong in Computer and Computing Technologies in Agr… (2011)

  5. Chapter and Conference Paper

    AE Feature Analysis on Welding Crack Defects of HG70 Steel Used by Truck Crane

    In present paper, using Acoustic Emission (AE) as a ultrasonic technique, Welding crack has been investigated on the HG70 steel used by truck crane during three-point bending test was carried out. The study sh...

    Yantao Dou, **aoli Xu, Wei Wang, Siqin Pang in Computer and Computing Technologies in Agr… (2011)

  6. Chapter and Conference Paper

    Detection of Soil Total Nitrogen by Vis-SWNIR Spectroscopy

    Measurement of soil total nitrogen (STN) is urgently important concerning requirement of precise and quantitative fertilizer application. To overcome the shortage of routine chemical detection, vis- short wave...

    Yaoze Feng, **aoyu Li, Wei Wang, Changju Liu in Computer and Computing Technologies in Agr… (2011)

  7. Chapter and Conference Paper

    Finite Element Analysis and Design Improvement of Film Picking Forks Roller Tooth in Field Cleaning Machine

    In this paper the mechanical analysis of the film picking forks roller tooth in field -cleaning machine was done. A finite element analysis model was built and used by the non-linear finite element analysis me...

    Xufeng Wang, Yonghua Sun, Shaohui Ma in Computer and Computing Technologies in Agr… (2012)

  8. Chapter and Conference Paper

    AnomalyDetect: An Online Distance-Based Anomaly Detection Algorithm

    Anomaly detection is a key challenge in data mining, which refers to finding patterns in data that do not conform to expected behavior. It has a wide range of applications in many fields as diverse as finance,...

    Wunjun Huo, Wei Wang, Wen Li in Web Services – ICWS 2019 (2019)