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Displaying 1-50 out of 109 total
The Pre-Handover of the Overlapping Region based on HMIPv6
Found in: Information Science and Engieering, International Symposium on
By Xue Jian Sheng, Feng Dong Hui, Liu Jian, Liu Ning
Issue Date:December 2008
pp. 307-310
For the characteristic of All-IP networks, the impact of higher mobility of mobile node and higher overlap region of mobile agent on smoother handover was considered. For the existed questions of longer delay, packets loss, and easier failure at handover, ...
Correlation Based File Prefetching Approach for Hadoop
Found in: Cloud Computing Technology and Science, IEEE International Conference on
By Bo Dong, Xiao Zhong, Qinghua Zheng, Lirong Jian, Jian Liu, Jie Qiu, Ying Li
Issue Date:December 2010
pp. 41-48
Hadoop Distributed File System (HDFS) has been widely adopted to support Internet applications because of its reliable, scalable and low-cost storage capability. Blue Sky, one of the most popular e-Learning resource sharing systems in China, is utilizing H...
UMAC Based Motion Control System Architecture Research of Reconfigurable Machine Tool
Found in: Electrical and Control Engineering, International Conference on
By Jian-cheng Zhang, Lin-hui Zhao, Jun Rao, Jian Liu
Issue Date:June 2010
pp. 5781-5784
Based on high speed micro turn-milling complex machine tool and machining characteristic of micro parts, the reconfigurable theory and other related technologies are discussed in this dissertation to implement integrity machining and enhance machining effi...
Wavelet Transform and PSO Support Vector Machine Based Approach for Time Series Forecasting
Found in: Artificial Intelligence and Computational Intelligence, International Conference on
By Xiao-Lu Wang, Jian Liu, Jian-Jun Lu
Issue Date:November 2009
pp. 46-50
To accurately predict the non-stationary time series, an approach based on integration of wavelet transform, PSO (Particle Swarm Optimization) and SVM (Support Vector Machine) is proposed. Wavelet decomposition is used to reduce the complexity of time seri...
Strategic Interactions between Manufacturer's Direct Selling and Retailer's Store Brand Introduction Decisions in Dual-Channel Supply Chain
Found in: Management of e-Commerce and e-Government, International Conference on
By Jian Huang, Jian Liu, Shihua Luo
Issue Date:September 2009
pp. 331-334
In this work, we explore a supply chain where the supplier considers whether to open a direct selling channel complementing with the retailing channel, and as a response, the retailer considers whether to introduce his store brand. We model this relationsh...
Back-up Switching Supplies with Energy Storage Capacitor and its Applications
Found in: Intelligent Information Systems, IASTED International Conference on
By Hongli Cheng,Li Wang,Liqiang Wang,Jian Liu
Issue Date:April 2009
pp. 429-432
To keep the automation terminal units working for a short period in case of outage, a back-up switching supply based on super-capacitor energy storage is proposed. The design considerations of the converter’s lowest-limit working voltage, the needed capaci...
Discovering Frequent Closed Partial Orders from Strings
Found in: IEEE Transactions on Knowledge and Data Engineering
By Jian Pei, Haixun Wang, Jian Liu, Ke Wang, Jianyong Wang, Philip S. Yu
Issue Date:November 2006
pp. 1467-1481
Mining knowledge about ordering from sequence data is an important problem with many applications, such as bioinformatics, Web mining, network management, and intrusion detection. For example, if many customers follow a partial order in their purchases of ...
Efficiently Mining Frequent Closed Partial Orders
Found in: Data Mining, IEEE International Conference on
By Jian Pei, Jian Liu, Haixun Wang, Ke Wang, Philip S. Yu, Jianyong Wang
Issue Date:November 2005
pp. 753-756
Mining ordering information from sequence data is an important data mining task. Sequential pattern mining [1] can be regarded as mining frequent segments of total orders from sequence data. However, sequential patterns are often insufficient to concisely ...
Dynamic Optimization Project Study between the Traffic Organization and the Traffic Signal Control of Urban Traffic
Found in: Computer Science and Information Engineering, World Congress on
By Yu Quan, Liu Jin-guang, Liu Pei-hua, Rong Jian, Liu Xiao-ming
Issue Date:April 2009
pp. 182-186
Considering the traffic organization project and traffic signal control project of the small and medium-sized cities in China, based on the dynamic optimization theory of operations research, this paper puts forwards the method of optimization design betwe...
Robust Planning of Test Poles for Grounding Grids Corrosion Diagnosis
Found in: Measuring Technology and Mechatronics Automation, International Conference on
By Jian Liu, Jianxin Wang, Zengli Li, Wei Lu, Sen Wang, Zhizhong Li
Issue Date:March 2010
pp. 283-286
To aid the corrosion diagnosis of a grounding grid, test poles are suggested to implant on some nodes. A genetic algorithm based test poles allocation optimization approach is suggested to work out the set of schemes to make all of the branches clear with ...
A Digital Optimal Control Method for DC-DC Converters Based on Simple Model
Found in: Power Electronics and Intelligent Transportation System, Workshop on
By Zhaoxia Leng, Jian Liu, Qingfeng Liu, Huamin Wang
Issue Date:August 2008
pp. 88-93
A novel optimal control strategy based on simple model is presented, which is easy to be realized adopting digital way for DC-DC converter. The discrete model of converter is founded based on state transfer matrix and power-exponent functions are linearize...
Study on Voltage Stability of Distribution Networks
Found in: Power Electronics and Intelligent Transportation System, Workshop on
By Xiaomeng Wu, Jian Liu, Suli Yan
Issue Date:August 2008
pp. 399-403
A new criterion of voltage stability for distribution network is deduced based on the existence of solution of power flow, i.e., the first class criterion. The profile of load is included in the proposed criterion. The weakness of the existing criterion ba...
Corrosion Diagnosis of Conductors and Down Lead Lines for Grounding Grids Maintenance
Found in: Power Electronics and Intelligent Transportation System, Workshop on
By Yunfeng Ni, Jian Liu, Sen Wang, Zhizhong Li
Issue Date:August 2008
pp. 100-104
To improve the efficiency of the corrosion diagnosis, based on the hierarchical model, an actual grounding grid can be divided into six levels, Such as Actual grids, Quasi- Circuit-Domain, Circuit-Domain, Circuit-Network, Touchable Network and Intrinsic Ne...
Experimental Study on Adsorption of Sulfate with CTAB Modified Zeolit from Environmental Water Sample
Found in: Computer Distributed Control and Intelligent Environmental Monitoring, International Conference on
By Haicheng Liu, Fengcui Li, Jian Liu
Issue Date:February 2011
pp. 766-769
Organic zeolite(CTAB-Z) was modified with cationic surfactant¡ªcetyltrimethylammonium bromide (CTAB) in this study under the following conditions: CTAB concentration 1.0%(wt%), modification temperature 25 ¡æ, modification time two hours and used to r...
Study on Treatment of Nylon 66 Chemical Wastewater by Active Carbon Film Filler Contact Oxidation Process
Found in: Computer Distributed Control and Intelligent Environmental Monitoring, International Conference on
By Haicheng Liu, Jian Liu, Kui Zhang, Lejun Shi
Issue Date:February 2011
pp. 2229-2231
Experiments were conducted to examine the effects of nylon 66 chemical wastewater treatment by active carbon film filler contact oxidation process. The results showed that the formation of biofilm was relatively rapid on the surface of active carbon film f...
The Method of Mobile Networks as the Return Channel for IP-QAM
Found in: Communications and Mobile Computing, International Conference on
By Xiaofeng Li, Peng Zhao, Yonghui Liu, Jian Liu
Issue Date:April 2010
pp. 224-226
Instead of the original wired IP networks, the mobile networks are used as the return channel in IP-QAM VOD system to take the advantage of their wireless data communication function and full coverage in cities. The mobiles are used as a virtual remoter of...
Markless Human Motion Capture by Voxel Labeling
Found in: Image and Graphics, International Conference on
By Junchi Yan, Jian Liu, Yuncai Liu
Issue Date:September 2009
pp. 441-446
We address the issue of markless human motion capture by voxel labeling. We explore the problem of pose estimation from voxel cloud based on a predefined human model. First, voxels are labeled into different individual parts of the body. Then, the joints a...
DTAD: A Dynamic Taint Analysis Detector for Information Security
Found in: Web-Age Information Management, International Conference on
By Zhiwen Bai, Liming Wang, Jinglin Chen, Lin Xu, Jian Liu, Xiyang Liu
Issue Date:July 2008
pp. 591-597
Information infection and information leakage in computer systems are mainly caused by insecure network access. Considering the particularity of network security, a tool DTAD (Dynamic Taint Analysis Detector) for information flow security detection is desi...
A Steganographic Algorithm for Hiding Data in PDF Files Based on Equivalent Transformation
Found in: International Symposiums on Information Processing
By Xingtong Liu, Quan Zhang, Chaojing Tang, Jingjing Zhao, Jian Liu
Issue Date:May 2008
pp. 417-421
To amend the defects of low perceptual transparency, low capacity, low security of the present information hiding technology in PDF files, we present a novel steganographic algorithm which is better in perceptual transparency property, capacity and securit...
A Hybrid Genetic and Particle Swarm Algorithm for Service Composition
Found in: Advanced Language Processing and Web Information Technology, International Conference on
By Jian Liu, Jun'e Li, Kaipei Liu, Wen Wei
Issue Date:August 2007
pp. 564-567
Web Service Composition (WSC) has become a hotspot in recent research. Current solutions focus on ontology information representation and ontology based web service matching, which lacks flexibility. From simulation of human cognision, this paper proposed ...
Virtual Devices on Service Oriented Architecture for Power Quality Management System
Found in: Advanced Language Processing and Web Information Technology, International Conference on
By Jian Liu, Kaipei Liu, Jiansheng Guo
Issue Date:August 2007
pp. 526-529
Power quality online monitoring has become the fashion of Power Quality Management System (PQMS) in China. Combining Service Oriented Architecture (SOA) with Virtual Device (VD), PQMS in the paper can dynamically adjust Monitoring Terminal (MT) in position...
Differential space-time modulation schemes for DS-CDMA systems
Found in: Acoustics, Speech, and Signal Processing, IEEE International Conference on
By Jianhua Liu, Jian Liu
Issue Date:May 2001
pp. 2457-2460
Differential space-time modulation (DSTM) schemes were recently proposed to fully exploit the receive and transmit antenna diversities without the need for channel state information. DSTM is attractive in fast flat fading channels since accurate channel es...
Hybrid optoelectronic backplane bus for multiprocessor-based computing systems
Found in: Massively Parallel Processing Using Optical Interconnections, International Conference on
By Chunhe Zhao, Jian Liu, R.T. Chen, Y.S. Liu
Issue Date:October 1996
pp. 313
The architecture of a hybrid electrical and optical backplane with multiple bus lines for high performance bus is proposed and bus systems with 2-bus lines at a wavelength of 850 nm are experimentally demonstrated, with a size of collimation lens (here we ...
Extracting individual features from moments for Chinese writer identification
Found in: Document Analysis and Recognition, International Conference on
By Cheng-Lin Liu, Ru-Wei Dai, Ying-Jian Liu
Issue Date:August 1995
pp. 438
To solve the problem of writer identification (WI) with indeterminate classes (writers) and objects (characters), it is a good way to extract individual features with clear physical meanings and small dynamic ranges. In this paper, a new method named Momen...
Error Analysis on Floating-Point Arithmetic in C Programming Language Library Functions
Found in: 2013 Fourth International Conference on Emerging Intelligent Data and Web Technologies (EIDWT)
By Min Tang,Xia Zeng,Kai Song,Jian Liu
Issue Date:September 2013
pp. 737-742
Verification and interval arithmetic are the fundamental methods that we deal with in error analysis. Verification strategy is used in most error analysis on solution sets of linear and nonlinear systems. On the other hand, interval arithmetic seems to be ...
Error Analysis on Floating-Point Arithmetic in C Programming Language Library Functions
Found in: 2013 Fourth International Conference on Emerging Intelligent Data and Web Technologies (EIDWT)
By Min Tang,Xia Zeng,Kai Song,Jian Liu
Issue Date:September 2013
pp. 737-742
Verification and interval arithmetic are the fundamental methods that we deal with in error analysis. Verification strategy is used in most error analysis on solution sets of linear and nonlinear systems. On the other hand, interval arithmetic seems to be ...
Fast Automatic Optic Disc Localization in Retinal Images
Found in: 2013 Seventh International Conference on Image and Graphics (ICIG)
By Qinghui Cao,Jianli Liu,Qiuhong Zhao
Issue Date:July 2013
pp. 827-831
Optic disc (OD) localization is an essential step of developing computer-assisted diagnostics. In this paper, we present a fast and robust method to locate the OD center in digital retinal images. The horizontal and vertical location of the OD are be detec...
Reliability Prediction of Machining Center using Grey System Theory and GO Methodology
Found in: 2013 Fourth International Conference on Digital Manufacturing & Automation (ICDMA)
By Genbao Zhang,Jian Liu,Yue Li
Issue Date:June 2013
pp. 991-996
According to the fact that the existing reliability prediction technology cannot well reflect the effect of processes under different operational conditions on reliability due to neglecting changes of reliability and failure rate with using time, a practic...
Finding cancer biomarkers from mass spectrometry data by decision lists
Found in: Proceedings. 2004 IEEE Computational Systems Bioinformatics Conference
By Jian Liu, Ming Li
Issue Date:June 2013
pp. 622-625
Finding accurate biomarkers is key to early diagnosis of many otherwise incurable diseases. We study the problem of finding biomarkers for mass spectrometry (SELDI-TOF) spectra from cancerous and normal tissues. In contrast to the common practice of using ...
Development a Risk Assessment Method of Brachyspira Hyodysenteriae in Pig Farms
Found in: Biomedical Engineering and Biotechnology, International Conference on
By Kou Yahui,Wang Hengan,Yan Yaxian,Wang Jian,Liu Peihong
Issue Date:May 2012
pp. 141-143
Brachyspira hyodysenteriae is a one of important pathogen of Swine dysentery. This study, we established a indirect ELISA using the expressed and purified His6-Bhlp30.7 protein as coating antigen to detect pig sera antibodies to Bhlp30.7. All the parameter...
Optimal pilots design for frequency offsets and channel estimation in OFDM modulated single Frequency Networks
Found in: Wireless and Mobile Computing, Networking and Communication, IEEE International Conference on
By Zhongshan Zhang, Jian Liu,Keping Long
Issue Date:October 2011
pp. 411-415
Optimal pilot design and placement for both the frequency offsets and channel estimation in Orthogonal Frequency-Division Multiplexing (OFDM) modulated Single Frequency Network (SFN) are treated in this paper. Unlike the conventional frequency-domain filte...
A Novel Energy-Aware Fault Tolerance Mechanism for Wireless Sensor Networks
Found in: IEEE/ACM International Conference on Green Computing and Communications
By Meikang Qiu,Jianning Liu,Jiayin Li,Zongming Fei,Zhong Ming,Edwin H.M. Sha
Issue Date:August 2011
pp. 56-61
Sensors in a Wireless Sensor Network (WSN) are prone to failure, due to energy depletion, hardware failures, etc. Fault tolerance is one of the critical issues in WSNs. The existing fault tolerant mechanisms either consume significant extra energy to detec...
SEDA4SC: A staged event-driven architecture for adaptive service computing runtime
Found in: Computers and Communications, IEEE Symposium on
By Zhuqing Li, Dianfu Ma, Dou Sun, Jian Liu
Issue Date:July 2011
pp. 994-1001
The rapid development of web service technology brings up a number of crucial requirements for designing service computing runtime, such as supporting multiple message exchange patterns, switching among different transports, integrating various extended we...
Financial Forecasting: Comparative Performance of Volatility Models in Chinese Stock Markets
Found in: Computational Sciences and Optimization, International Joint Conference on
By Jingfeng Xu, Jian Liu, Haijian Zhao
Issue Date:April 2011
pp. 1220-1225
This paper presents empirical tests and comparisons of GARCH family models and nonparametric models for predicting the volatility of Chinese stock markets. Since the volatility of financial asset returns often exhibits asymmetry, fat-tails and long-range m...
Model Checking a Secure Hypervisor
Found in: Software Engineering, World Congress on
By Sunlv Wang, Jian Liu, Qiuping Yi, Xian Zhang
Issue Date:December 2010
pp. 119-122
Hyper visor is a piece of platform-virtualization software that allows multiple operating systems to run on a host computer concurrently. CAS Monitor, short for CAS Virtual Monitor, is a secure, high-assurance hyper visor prototype, which aims to level B3 ...
Supporting Flexible Reification of Design Patterns
Found in: Asia-Pacific Software Engineering Conference
By Wuwei Shen, Dae-Kyoo Kim, Jian Liu, Chen Zhao
Issue Date:December 2010
pp. 127-136
Design patterns have been widely accepted as a solution for solving recurring design problems in object-oriented development. Reifications of design patterns can vary from one development environment to another, and use of inappropriate reifications may im...
SPOTOS: A Safe Point Detector for Online Patching Commodity OS
Found in: Grid and Cloud Computing, International Conference on
By Xiao-Jian Liu, Yi Ren, Hua-Dong Dai
Issue Date:November 2010
pp. 139-144
For high availability systems, it is desirable to fix discovered operating system security holes and other bugs, and do performance improvements without rebooting. However, the way that commodity operating systems are implemented sometimes makes online pat...
Enhanced Non-Blocking Buffer: A High Performance Non-Blocking Message Communication Mechanism
Found in: Grid and Cloud Computing, International Conference on
By Xiao-Jian Liu, Yi Ren, Hua-Dong Dai
Issue Date:November 2010
pp. 207-212
No summary available.
An Adaptive Cross-Layer Mechanism of Multi-channel Multi-interface Wireless Networks for Real-Time Video Streaming
Found in: Ubiquitous, Autonomic and Trusted Computing, Symposia and Workshops on
By Jian Liu, Fangmin Li, Fei Dou, Xu He, Zhigang Luo, Hong Xiong
Issue Date:October 2010
pp. 165-170
Real-time video streaming over wireless links imposes strong demands on video codecs and quality of networks. Many measures are made to design proper routing protocols and channel assignments (CAs) for multi-channel multi-interface (MCMI) wireless networks...
Effects of Phase Noise on Measuring Precision of K-Band Ranging System
Found in: 2010 International Conference on Intelligent System Design and Engineering Application (ISDEA 2010)
By Liang Linfang, Yang Yikang, Yang Jian, Liu Lei
Issue Date:October 2010
pp. 670-673
This paper addresses the problem of analysis and simulation of K-Band Ranging system (KBR) measuring error due to oscillator phase noise. The KBR system and the dual one-way ranging (DOWR) system employed in KBR is described. Then, effects of oscillator ph...
Osteoporosis Diagnosis Based on the Multifractal Spectrum Features of Micro-CT Images and C4.5 Decision Tree
Found in: Pervasive Computing, Signal Porcessing and Applications, International Conference on
By Zhi Gao, Wenxue Hong, Yonghong Xu, Tao Zhang, Zhijie Song, Jian Liu
Issue Date:September 2010
pp. 1043-1047
In this work the multifractal spectrum features of micro-CT images were extracted and classified the features of multifractal spectrum using C4.5 decision trees which can help doctors to diagnose osteoporosis. Micro-computed tomography (micro-CT) allows fo...
An On-line Reverse Method for Cylindrical Surface
Found in: Information and Computing Science, International Conference on
By Guang Yang, Yong-di Zhang, Yan-fang Yue, Li-jian Liu, Hong-jie Chang
Issue Date:June 2010
pp. 325-328
A system composed of a machining center, related measurement tools and its software can achieve on-line reverse. However the measuring point data through the ways to obtain is a lower accurate. It is difficult to obtain satisfactory reverse results using l...
A Secure Communication System with Multiple Encryption Algorithms
Found in: International Conference on E-Business and E-Government
By Wang Jian,Liu Xu,Ji Xiaoyong
Issue Date:May 2010
pp. 3574-3577
Information security is a necessary safeguard for mobile e-commerce and a secure communication system to obtain high quality secure communication in wireless environment is introduced, which is integrating three kinds of encryption algorithms including AES...
Dynamic Inventory Management with Selling the Substitute as Stockout Occurs
Found in: International Conference on E-Business and E-Government
By Chunlin Luo,Jian Liu
Issue Date:May 2010
pp. 3221-3224
A well-known result in Bayesian inventory control is: if lost sales are not observed, the optimal Bayesian inventory level is no less than the corresponding myopic case, that is, the decision-maker should “stock more” to acquire the knowledge of demand. Ho...
A Multifunctional System Based on Robot Surfacing by Using Off-Line Programming
Found in: Intelligent Computation Technology and Automation, International Conference on
By Sheng Zhu, Jian Liu, Fengliang Yin, Canduo Shen, Chao Li, Zhiqiang Ren
Issue Date:May 2010
pp. 192-195
A flexible multifunctional system based on robot surfacing is established, which consists of four subsystems: central controlling subsystem, 3D laser measuring subsystem, digital gas-shield arc welding subsystem and robot subsystem. The system can be easil...
A Small World Network Based Grid Resource Discovery Mechanism
Found in: Intelligent Information Technology and Security Informatics, International Symposium on
By Weichun Huang, Min Chen, Jian Liu
Issue Date:April 2010
pp. 8-11
Since Small World Network’s (SWN) traits of shorter routes and higher clustering rate, SWN is introduced to layered Gird Resource Discovery Mechanism (GRDM). This new structure balanced between the impressive efficient of formal centralized management and ...
Channel Estimation in Mobile Wireless Communication
Found in: Communications and Mobile Computing, International Conference on
By Liang Pu, Jian Liu, Yuan Fang, Wei Li, Zhisen Wang
Issue Date:April 2010
pp. 77-80
Channel estimation is an important technical issue in mobile communication system, the performance and capacity of mobile communication system are directly influenced by the speed and precision of channel estimation. This paper introduced the definition an...
A New Method of Computing the Reachability Matrix of Directed Graph
Found in: Education Technology and Computer Science, International Workshop on
By Guo Jian, Liu Bingwu, Zhao Mingru, Dong Pingping
Issue Date:March 2010
pp. 774-776
The reachability matrix of directed graph plays a very important role in identifying whether a directed graph is strongly connective or not and calculating the strongly connective sub graph. It also has a lot of application in structural modeling analysis....
Harmonic Structure Features for Robust Speaker Recognition against Channel Effect
Found in: Information Science and Engieering, International Symposium on
By Chuan Cao, Xiang Xiao, Ming Li, Jian Liu, Yonghong Yan
Issue Date:December 2009
pp. 451-454
This paper proposes a novel feature set for robust speaker recognition, which is based on the harmonic structure of speech signals. Channel modulation effects are supposed to be weakened in the harmonic structure features, and furthermore the influence int...
Dynamics Simulation on the Vehicle Chassis Tester Based on Adams
Found in: Research Challenges in Computer Science, International Conference on
By Xu Guan, Su Jian, Liu Yumei, Wang Xing, Tian Yongjun, Zhu Yiguang
Issue Date:December 2009
pp. 198-201
Chassis gap detection device is widely used for testing the value of chassis gap. According to the disability of detecting chassis gap efficiently and precisely, a novel chassis gap detection device adopts double-rocker construction is proposed. For ensuri...
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