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Displaying 1-27 out of 27 total
An Optimized Natural Language Watermarking Algorithm based on TMR
Found in: Young Computer Scientists, International Conference for
By Peng Lu, Zhao Lu, Zili Zhou, Junzhong Gu
Issue Date:November 2008
pp. 1459-1463
Semantically-based watermarking scheme embeds the information by transforming semantic structure of the sentence. In this paper we propose an optimized semantic watermarking algorithm which introduces TMR string reranking mechanism before watermark embeddi...
BestPeer++: A Peer-to-Peer Based Large-Scale Data Processing Platform
Found in: IEEE Transactions on Knowledge and Data Engineering
By Gang Chen, Tianlei Hu, Dawei Jiang, Peng Lu, Kian-Lee Tan, Hoang Tam Vo, Sai Wu
Issue Date:June 2014
pp. 1316-1331
The corporate network is often used for sharing information among the participating companies and facilitating collaboration in a certain industry sector where companies share a common interest. It can effectively help the companies to reduce their operati...
Toward Secure Multikeyword Top-k Retrieval over Encrypted Cloud Data
Found in: IEEE Transactions on Dependable and Secure Computing
By Jiadi Yu,Peng Lu,Yanmin Zhu,Guangtao Xue,Minglu Li
Issue Date:July 2013
pp. 239-250
Cloud computing has emerging as a promising pattern for data outsourcing and high-quality data services. However, concerns of sensitive information on cloud potentially causes privacy problems. Data encryption protects data security to some extent, but at ...
Exploiting Performance and Cost Diversity in the Cloud
Found in: 2013 IEEE 6th International Conference on Cloud Computing (CLOUD)
By Luke M. Leslie, Young Choon Lee, Peng Lu,Albert Y. Zomaya
Issue Date:June 2013
pp. 107-114
Infrastructure-as-a-Service (IaaS) platforms, such as Amazon EC2, allow clients access to massive computational power in the form of virtual machines (VMs) known as instances. Amazon hosts three different instance purchasing options, each with its own serv...
Throughput Enhancement through Selective Time Sharing and Dynamic Grouping
Found in: 2013 IEEE International Symposium on Parallel & Distributed Processing (IPDPS)
By Junliang Chen,Bing Bing Zhou,Chen Wang,Peng Lu,Penghao Wang,Albert Y. Zomaya
Issue Date:May 2013
pp. 1183-1192
Space sharing approaches are widely used in job scheduling for HPC systems. The main drawback of these approaches is the blocking of short jobs, which results in low throughput. The research on gang scheduling has shown the potential of time sharing in imp...
Non-intrusive Slot Layering in Hadoop
Found in: 2013 13th IEEE/ACM International Symposium on Cluster, Cloud and Grid Computing (CCGrid)
By Peng Lu,Young Choon Lee,Albert Y. Zomaya
Issue Date:May 2013
pp. 253-260
Hadoop, an open source implementation of MapReduce, uses slots to represent resource sharing. The number of slots in a Hadoop cluster node specifies the concurrency of task execution. Thus, the slot configuration has a significant impact on performance. Th...
An efficient and compact indexing scheme for large-scale data store
Found in: 2013 IEEE International Conference on Data Engineering (ICDE 2013)
By Peng Lu,Sai Wu,Lidan Shou,Kian-Lee Tan
Issue Date:April 2013
pp. 326-337
The amount of data managed in today's Cloud systems has reached an unprecedented scale. In order to speed up query processing, an effective mechanism is to build indexes on attributes that are used in query predicates. However, conventional indexing scheme...
Workload Characteristic Oriented Scheduler for MapReduce
Found in: 2012 IEEE 18th International Conference on Parallel and Distributed Systems (ICPADS)
By Peng Lu,Young Choon Lee,Chen Wang,Bing Bing Zhou,Junliang Chen,Albert Y. Zomaya
Issue Date:December 2012
pp. 156-163
Applications in many areas are increasingly developed and ported using the Map Reduce framework (more specifically, Hadoop) to exploit (data) parallelism. The application scope of Map Reduce has been extended beyond the original design goal which was large...
Prediction of Soil Organic Carbon by Hyperspectral Remote Sensing Imagery
Found in: 2012 Third Global Congress on Intelligent Systems (GCIS)
By Peng Lu,Zheng Niu,Linghao Li
Issue Date:November 2012
pp. 291-293
Conventional analyses of soil characteristic are expensive, time-consuming, and may result in environmental pollutants. Hence, the objective of this study was: 1) to investigate the potential of VIS-NIR spectroscopy to estimate soil organic carbon (SOC), 2...
VPC: Scalable, Low Downtime Checkpointing for Virtual Clusters
Found in: 2012 24th International Symposium on Computer Architecture and High Performance Computing (SBAC-PAD)
By Peng Lu,Binoy Ravindran,Changsoo Kim
Issue Date:October 2012
pp. 203-210
A virtual cluster (VC) consists of multiple virtual machines (VMs) running on different physical hosts, inter-connected by a virtual network. A fault-tolerant protocol and mechanism are essential to the VC's availability and usability. We present Virtual P...
BestPeer++: A Peer-to-Peer Based Large-Scale Data Processing Platform
Found in: Data Engineering, International Conference on
By Gang Chen,Tianlei Hu,Dawei Jiang,Peng Lu,Kian-Lee Tan,Hoang Tam Vo,Sai Wu
Issue Date:April 2012
pp. 582-593
The corporate network is often used for sharing information among the participating companies and facilitating collaboration in a certain industry sector where companies share a common interest. It can effectively help the companies to reduce their operati...
A GPU Accelerated Algorithm for Compressive Sensing Based Image Super-Resolution
Found in: Digital Media and Digital Content Management, Workshop on
By Xifei Wu, Hui Xiang, Peng Lu
Issue Date:May 2011
pp. 198-202
this paper presents a parallel algorithm designed for Super-resolution Image Reconstruction based on Compressive sensing in the ATI Stream platform. In the accelerating process, we select part of the serial program as the objects to be sped up according to...
Research for the Crane Boom Length Coefficient Considering the Tower Head Flexibility in Rotary Plane
Found in: Measuring Technology and Mechatronics Automation, International Conference on
By Zhang Guangyun, Lan Peng, Lu Nianli
Issue Date:January 2011
pp. 1048-1051
When the crane boom length in rotary plane is determined, the traditional methods only consider support condition, non-uniform, boom end lateral displacement constraint effect of amplitude dragline and hoist rope tensile forces. Ignoring tower head elastic...
NetViewer: A Visualization Tool for Network Security Events
Found in: Networks Security, Wireless Communications and Trusted Computing, International Conference on
By Zhang Jiawan, Yang Peng, Lu Liangfu, Chen Lei
Issue Date:April 2009
pp. 434-437
With the multiplication of attacks on computer networks, system administrators need to monitor carefully the networks. But all the techniques or tools that they use still heavily rely on human detection. In this paper a visual interactive network connectio...
Double Starlike Graphs with Largest and Second Largest Degree Difference 2 Determined by Their Laplacian Spectrum
Found in: Computer Science and Information Engineering, World Congress on
By Pengli Lu, Zhanting Yuan
Issue Date:April 2009
pp. 26-29
In this paper, the double star like graphs $T(p,n,p-2)$, which is coalesced from two stars $K_{1,p}$ and $K_{1,p-2}$ by identifying the center of $K_{1,p}$ with one end of a path $P_n$ and the center of $K_{1,p-2}$ with the other end of $P_n$, is determine...
An Efficient Algorithm for Detecting Closed Frequent Subgraphs in Biological Networks
Found in: BioMedical Engineering and Informatics, International Conference on
By Jia-yang Peng, Lu-ming Yang, Jian-xin Wang, Zheng Liu, Ming Li
Issue Date:May 2008
pp. 677-681
In this paper, aimed at the problem of detecting closed frequent subgraphs in biological networks, an improved FP-growth algorithm MaxFP is presented, which is based on the simplification model appropriate to biological networks. The defects of the algorit...
Multi-Intelligent-Agent Supported Workflow Management System
Found in: Semantics, Knowledge and Grid, International Conference on
By Qi Shen, Peng Lu, Xue Wei Zhu, Kui Sun, Zhaolin Yin
Issue Date:October 2007
pp. 594-595
The scope relating to the workflow of virtual enterprise is very wide. This paper describes the architecture of virtual enterprise supported by multiagent technology, different agent's responsibilities, agent organizations and their coordination. The paper...
Hierarchical Conditional Random Fields (HCRF) for Chinese Named Entity Tagging
Found in: International Conference on Natural Computation
By Peng Lu, Yiping Yang, Yibo Gao, He Ren
Issue Date:August 2007
pp. 24-28
Named entity tagging is one of the key techniques in natural language processing tasks such as information extraction, answer question and so on. We present a method of Chinese NE tagging using hierarchical conditional random fields. This study is concentr...
A High Performance Low Power Consumption Robot Vision System
Found in: International Conference on Natural Computation
By Peng Lu, Kui Yuan, Wei Zou
Issue Date:August 2007
pp. 171-175
Considering about to solve the bottleneck problem of computing ability and power consumption of mobile robot vision system, a DSP and FPGA based intelligent image grabber and a robot vision system using this intelligent image grabber are developed. The con...
3D Head Models Retrieval Based on Geometrical Measurement for Modeling
Found in: Computer Graphics, Imaging and Visualization, International Conference on
By Mandun Zhang, Xiangyong Zeng, Peng Lu, Yangsheng Wang
Issue Date:July 2005
pp. 99-102
In this paper, we present a 3D head models retrieval algorithm based on geometrical measurement for modeling. The proposed method mainly has two steps. Firstly we create a dataset of generic models and gain their feature points which are used to identify h...
Head Nod and Shake Recognition Based on Multi-View Model and Hidden Markov Model
Found in: Computer Graphics, Imaging and Visualization, International Conference on
By Peng Lu, Mandun Zhang, Xinshan Zhu, Yangsheng Wang
Issue Date:July 2005
pp. 61-64
Head gestures such as nodding and shaking are often used as one of human body languages for communication with each other, and their recognition plays an important role in the advancement of human-computer interaction. As head gesture is the continuous mot...
Local Moment Invariant Analysis
Found in: Computer Graphics, Imaging and Visualization, International Conference on
By Yufeng Chen, Mandun Zhang, Peng Lu, Yangsheng Wang
Issue Date:July 2005
pp. 137-140
A new Local Moment Invariant Analysis (LMIA) method of images is proposed in this paper. Considering the background contrast, light condition and the camera parameters, the proposed method achieves the invariant under main imaging effect based on the model...
Navigation in 3D Game by Markov Model Based Head Pose Estimating
Found in: Image and Graphics, International Conference on
By Peng Lu, XiangYong Zeng, Xiangsheng Huang, Yangsheng Wang
Issue Date:December 2004
pp. 493-496
Keyboards, mice, and joysticks are the most popular controlling and navigation devices in current 3D game. However, they are quite unnatural. In this paper, we propose a novel scheme to estimate the user?s head pose and the estimation result is used for na...
Fixed Income Investors on the Acceptance of E-Commerce: An Empirical Study
Found in: Information Science and Engineering, International Conference on
By Tainyi Luor, Chun-hsueh Chen, Hsi-Peng Lu
Issue Date:December 2009
pp. 2932-2935
Many studies focus on the acceptance of E-commerce for banking customers, however, little is known about the acceptance attitudes of customers in the fixed income industry where most investors are risk-averted in investing. Customers of the fixed income in...
Investigating the pattern of syndrome based on the difference of symptom network in depression
Found in: 2013 IEEE International Conference on Bioinformatics and Biomedicine (BIBM)
By Jianglong Song,Xi Liu,Wen Dai,Yibo Gao,Lin Chen,Yunling Zhang,Hong Zheng,Zhichen Zhang,Miao Yu,Jianxin Chen,Peng Lu,Rongjuan Guo
Issue Date:December 2013
pp. 236-241
In TCM theory, the syndrome is crucial to diagnose diseases and treat patients. In syndrome identification, the relation of symptoms usually correlates with syndrome and represents the pattern of syndrome at symptomatic level. Hence, we learn models for cl...
Privacy-Aware Multi-Keyword Top-k Search over Untrust Data Cloud
Found in: 2012 IEEE 18th International Conference on Parallel and Distributed Systems (ICPADS)
By Peng Lu,Jiadi Yu,Xin Dong,Guangtao Xue,Minglu Li
Issue Date:December 2012
pp. 252-259
In this paper, we focus on data privacy of searchable symmetric encryption (SSE) in cloud computing. For the first time, we formulate the privacy issue from the aspect of similarity relevance and scheme robustness and then prove server-side ranking based o...
HSG-LM: hybrid-copy speculative guest OS live migration without hypervisor
Found in: Proceedings of the 6th International Systems and Storage Conference (SYSTOR '13)
By Antonio Barbalace, Binoy Ravindran, Peng Lu
Issue Date:June 2013
pp. 1-11
Current Virtual Machine (VM) live migration mechanisms only focus on providing a high availability service by offering minimal downtime to users. In this paper, we present a novel live migration technique called HSG-LM, which also aims to provide short wai...