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Zhejiang University
(29 results)-
White Papers
Collaborative Web-Based E-learning Environment for Information Security Curriculum
March 13, 2009, 12:00am PDT
In recent years, the development of e-learning is very rapid. E-learning is an attractive and efficient way for computer education. Student interaction and collaboration also plays an important...
Provided by Zhejiang University
-
White Papers
Real-Time QOS Support in Wireless Sensor Networks: A Survey
September 28, 2007, 12:00am PDT
Real-time wireless sensor networks are becoming more and more important by the requirement of message delivery timeliness in emerging new applications. Supporting real-time QoS in sensor networks...
Provided by Zhejiang University
-
White Papers
Cryptanalysis of an Image Encryption Scheme Based on the Hill Cipher
February 2, 2008, 12:00am PST
The history of cryptography can be traced back to the secret communication among people thousands of years ago. With the development of human society and industrial technology, theories and...
Provided by Zhejiang University
-
White Papers
Strong Designated Verifier Signature Scheme: New Definition and Construction
September 16, 2010, 12:00am PDT
Recently, several strong designated verifier signature schemes have been proposed in the literature. In this paper, the authors first point out that such so-called strong designated verifier...
Provided by Zhejiang University
-
White Papers
Finding Closed Frequent Itemsets in Linear Time
May 10, 2008, 12:00am PDT
Efficient algorithms for mining frequent itemsets are crucial for the analysis of data arising in a broad of applications. Recent studies proved that mining frequent closed itemsets substantially...
Provided by Zhejiang University
-
White Papers
Large-Volatility Dynamics In Financial Markets
March 25, 2011, 12:00am PDT
The authors investigate the large-volatility dynamics in financial markets, based on the minute-to-minute and daily data of the Chinese Indices and German DAX. The dynamic relaxation both before...
Provided by Zhejiang University
-
White Papers
Financial Crisis, Control Rights And Cash Flow Of Investment Sensitivity: The Chinese Perspective
October 31, 2010, 12:00am PDT
The investment cash flow sensitivity is considered with firm's control right and the impact of financial crisis at the end of 2008. Compared with the classic model by ownership, the model with...
Provided by Zhejiang University
-
White Papers
Reinforcement Learning Enhanced Iterative Power Allocation in Stochastic Cognitive Wireless Mesh Networks
March 10, 2010, 12:00am PST
As the scarce spectrum resource is becoming overcrowded, cognitive wireless mesh networks have great flexibility to improve the spectrum utilization by opportunistically accessing the licensed...
Provided by Zhejiang University
-
White Papers
Coordinate-Free Distributed Algorithm for Boundary Detection in Wireless Sensor Networks
July 31, 2011, 12:00am PDT
In this paper, the authors propose a Coordinate-free Distributed Boundary Detection algorithm (CDBD). It adopts general sensing and communication models and exploits two centrality measures, i.e.,...
Provided by Zhejiang University
-
White Papers
Providing Scalable Database Services on the Cloud
September 24, 2010, 12:00am PDT
The Cloud is fast gaining popularity as a platform for deploying Software as a Service (SaaS) applications. In principle, the Cloud provides unlimited compute resources, enabling deployed services...
Provided by Zhejiang University
-
White Papers
MAP-JOIN-REDUCE: Towards Scalable and Efficient Data Analysis on Large Clusters
August 19, 2010, 12:00am PDT
Data analysis is an important functionality in cloud computing which allows a huge amount of data to be processed over very large clusters. MapReduce is recognized as a popular way to handle data...
Provided by Zhejiang University
-
White Papers
A Stochastic Multiobjective Optimization Framework for Wireless Sensor Networks
February 17, 2010, 12:00am PST
In Wireless Sensor Networks (WSNs), there generally exist many different objective functions to be optimized. In this paper, the authors propose a stochastic multi-objective optimization approach...
Provided by Zhejiang University
-
White Papers
Reliable Data Transmission Using IBRC and LT Codes Over AWGN Channels
August 31, 2010, 12:00am PDT
LT codes promise reliable transmissions of data over erasure channels. They also work satisfactorily over interference channels after Cyclic Redundancy Check (CRC) is introduced into the...
Provided by Zhejiang University
-
White Papers
A Secure Localization Approach Against Wormhole Attacks Using Distance Consistency
September 21, 2009, 12:00am PDT
Wormhole attacks can negatively affect the localization in wireless sensor networks. A typical wormhole attack can be launched by two colluding attackers, one of which sniff packets at one point...
Provided by Zhejiang University
-
White Papers
Power Entangling and Matching in Cognitive Wireless Mesh Networks by Applying Conjecture Based Multi-Agent QQ-Learning Approach
August 23, 2010, 12:00am PDT
As the scarce spectrum resource is becoming overcrowded, cognitive wireless mesh networks express great flexibility to improve the spectrum utilization by opportunistically accessing the...
Provided by Zhejiang University
-
White Papers
Towards Green Wireless Access Networks
June 11, 2010, 12:00am PDT
As wireless communications experience exponential growth, energy consumption has became a crucial problem in the wireless industry. Energy efficiency of wireless systems has to be significantly...
Provided by Zhejiang University
-
White Papers
Compressed Sensing for Efficient Random Routing in Multi-Hop Wireless Sensor Networks
August 31, 2010, 12:00am PDT
Compressed Sensing (CS) is a novel theory based on the fact that certain signals can be recovered from a relatively small number of non-adaptive linear projections, when the original signals and...
Provided by Zhejiang University
-
White Papers
TSCD: A Novel Secure Localization Approach for Wireless Sensor Networks
September 4, 2008, 12:00am PDT
Recent advances in wireless networking technologies, along with ubiquitous sensing and computing, have brought significant convenience for location service. The localization issue in wireless...
Provided by Zhejiang University
-
White Papers
Green Transmit Power Assignment for Cognitive Radio Networks by Applying Multi-Agent Q-Learning Approach
June 23, 2010, 12:00am PDT
As the scarce spectrum resource is becoming overcrowded, cognitive wireless mesh networks (CogMesh) indicate great flexibility to improve the spectrum utilization by opportunistically accessing...
Provided by Zhejiang University
-
White Papers
LT Coding Over the Network
September 1, 2010, 12:00am PDT
LT codes promise reliable transmissions of data between peers and have been proven as a method especially suitable for multimedia multicast and broadcast applications. In this paper, the authors...
Provided by Zhejiang University
-
White Papers
A Swarm-Intelligence-Based Intrusion Detection Technique
July 1, 2006, 12:00am PDT
A Swarm-intelligence-based intrusion detection technique proposed to in order to reduce the misjudgment & misdetection and increase the real-time response in the existing intrusion detection...
Provided by Zhejiang University
-
White Papers
Crypt Analyses of a Two-Factor User Authentication Scheme in Wireless Sensor Networks
May 1, 2011, 12:00am PDT
Wireless Sensor Network (WSN) is applied broadly to a range of significantly different networking environments. The open environment of WSN requires mechanisms which prevent unauthorized users...
Provided by Zhejiang University
-
White Papers
DPLC: Dynamic Packet Length Control in Wireless Sensor Networks
December 22, 2009, 12:00am PST
Previous packet length optimizations for sensor networks often employ a fixed optimal length scheme, while in this paper, the authors present DPLC, a Dynamic Packet Length Control scheme. To make...
Provided by Zhejiang University
-
White Papers
Intercluster Connection in Cognitive Wireless Mesh Networks Based on Intelligent Network Coding
August 12, 2009, 12:00am PDT
Cognitive wireless mesh networks have great flexibility to improve spectrum resource utilization, within which Secondary Users (SUs) can opportunistically access the authorized frequency bands...
Provided by Zhejiang University
-
White Papers
SenSpire OS: A Predictable, Flexible, and Efficient Operating System for Wireless Sensor Networks
July 6, 2009, 12:00am PDT
The development of a modern sensor network is very difficult because of the long-term unattended operating mode, diverse application requirements, and stringent resource constraints. To address...
Provided by Zhejiang University
-
Software
EasyPointer 1.2 (Mobile)
May 12, 2011, 12:00am PDT
EasyPointerfor iPhone 4 & iPod touch 4 EasyPointer is a simple and straightforward app that turning your iPhone/iPod touch into a laser pen and air mouse. You can also use EasyPointer to interact...
Provided by CCNT Lab, Zhejiang University
-
White Papers
A Dynamic Fault Localization Technique With Noise Reduction for Java Programs
May 4, 2011, 12:00am PDT
Existing fault localization techniques combine various program features and similarity coefficients with the aim of precisely assessing the similarities among the dynamic spectra of these program...
Provided by Zhejiang University
-
White Papers
Adaptive Error Control Mechanism Based on GM(1,1) Model and Crosslayer Design for Video Streaming Over Wireless
August 1, 2011, 12:00am PDT
This paper proposes an adaptive error control mechanism for wireless video streaming, in order that the video data over wireless could be played on receiving sides with high quality. This model,...
Provided by Zhejiang University
-
White Papers
Outage Probability Analysis of Dual-Hop Multiple Antenna Fixed-Gain AF Relay Systems With Interference
September 11, 2011, 12:00am PDT
This paper presents an analytical investigation on the outage performance of dual-hop multiple antenna fixed-gain amplify-and-forward relay systems in the presence of co-channel interference....
Provided by Zhejiang University
-
White Papers
Outage Probability Analysis of Dual-Hop Multiple Antenna Fixed-Gain AF Relay Systems With Interference
September 11, 2011, 12:00am PDT
This paper presents an analytical investigation on the outage performance of dual-hop multiple antenna fixed-gain amplify-and-forward relay systems in the presence of co-channel interference....
Provided by Zhejiang University
-
White Papers
Adaptive Error Control Mechanism Based on GM(1,1) Model and Crosslayer Design for Video Streaming Over Wireless
August 1, 2011, 12:00am PDT
This paper proposes an adaptive error control mechanism for wireless video streaming, in order that the video data over wireless could be played on receiving sides with high quality. This model,...
Provided by Zhejiang University
-
White Papers
A Dynamic Fault Localization Technique With Noise Reduction for Java Programs
May 4, 2011, 12:00am PDT
Existing fault localization techniques combine various program features and similarity coefficients with the aim of precisely assessing the similarities among the dynamic spectra of these program...
Provided by Zhejiang University
-
Software
EasyPointer 1.2 (Mobile)
May 12, 2011, 12:00am PDT
EasyPointerfor iPhone 4 & iPod touch 4 EasyPointer is a simple and straightforward app that turning your iPhone/iPod touch into a laser pen and air mouse. You can also use EasyPointer to interact...
Provided by CCNT Lab, Zhejiang University
-
White Papers
SenSpire OS: A Predictable, Flexible, and Efficient Operating System for Wireless Sensor Networks
July 6, 2009, 12:00am PDT
The development of a modern sensor network is very difficult because of the long-term unattended operating mode, diverse application requirements, and stringent resource constraints. To address...
Provided by Zhejiang University
-
White Papers
Intercluster Connection in Cognitive Wireless Mesh Networks Based on Intelligent Network Coding
August 12, 2009, 12:00am PDT
Cognitive wireless mesh networks have great flexibility to improve spectrum resource utilization, within which Secondary Users (SUs) can opportunistically access the authorized frequency bands...
Provided by Zhejiang University
-
White Papers
DPLC: Dynamic Packet Length Control in Wireless Sensor Networks
December 22, 2009, 12:00am PST
Previous packet length optimizations for sensor networks often employ a fixed optimal length scheme, while in this paper, the authors present DPLC, a Dynamic Packet Length Control scheme. To make...
Provided by Zhejiang University
-
White Papers
Crypt Analyses of a Two-Factor User Authentication Scheme in Wireless Sensor Networks
May 1, 2011, 12:00am PDT
Wireless Sensor Network (WSN) is applied broadly to a range of significantly different networking environments. The open environment of WSN requires mechanisms which prevent unauthorized users...
Provided by Zhejiang University
-
White Papers
LT Coding Over the Network
September 1, 2010, 12:00am PDT
LT codes promise reliable transmissions of data between peers and have been proven as a method especially suitable for multimedia multicast and broadcast applications. In this paper, the authors...
Provided by Zhejiang University
-
White Papers
Green Transmit Power Assignment for Cognitive Radio Networks by Applying Multi-Agent Q-Learning Approach
June 23, 2010, 12:00am PDT
As the scarce spectrum resource is becoming overcrowded, cognitive wireless mesh networks (CogMesh) indicate great flexibility to improve the spectrum utilization by opportunistically accessing...
Provided by Zhejiang University
-
White Papers
TSCD: A Novel Secure Localization Approach for Wireless Sensor Networks
September 4, 2008, 12:00am PDT
Recent advances in wireless networking technologies, along with ubiquitous sensing and computing, have brought significant convenience for location service. The localization issue in wireless...
Provided by Zhejiang University
-
White Papers
Compressed Sensing for Efficient Random Routing in Multi-Hop Wireless Sensor Networks
August 31, 2010, 12:00am PDT
Compressed Sensing (CS) is a novel theory based on the fact that certain signals can be recovered from a relatively small number of non-adaptive linear projections, when the original signals and...
Provided by Zhejiang University
-
White Papers
Towards Green Wireless Access Networks
June 11, 2010, 12:00am PDT
As wireless communications experience exponential growth, energy consumption has became a crucial problem in the wireless industry. Energy efficiency of wireless systems has to be significantly...
Provided by Zhejiang University
-
White Papers
Power Entangling and Matching in Cognitive Wireless Mesh Networks by Applying Conjecture Based Multi-Agent QQ-Learning Approach
August 23, 2010, 12:00am PDT
As the scarce spectrum resource is becoming overcrowded, cognitive wireless mesh networks express great flexibility to improve the spectrum utilization by opportunistically accessing the...
Provided by Zhejiang University
-
White Papers
A Secure Localization Approach Against Wormhole Attacks Using Distance Consistency
September 21, 2009, 12:00am PDT
Wormhole attacks can negatively affect the localization in wireless sensor networks. A typical wormhole attack can be launched by two colluding attackers, one of which sniff packets at one point...
Provided by Zhejiang University
-
White Papers
Reliable Data Transmission Using IBRC and LT Codes Over AWGN Channels
August 31, 2010, 12:00am PDT
LT codes promise reliable transmissions of data over erasure channels. They also work satisfactorily over interference channels after Cyclic Redundancy Check (CRC) is introduced into the...
Provided by Zhejiang University
-
White Papers
A Stochastic Multiobjective Optimization Framework for Wireless Sensor Networks
February 17, 2010, 12:00am PST
In Wireless Sensor Networks (WSNs), there generally exist many different objective functions to be optimized. In this paper, the authors propose a stochastic multi-objective optimization approach...
Provided by Zhejiang University
-
White Papers
MAP-JOIN-REDUCE: Towards Scalable and Efficient Data Analysis on Large Clusters
August 19, 2010, 12:00am PDT
Data analysis is an important functionality in cloud computing which allows a huge amount of data to be processed over very large clusters. MapReduce is recognized as a popular way to handle data...
Provided by Zhejiang University
-
White Papers
Providing Scalable Database Services on the Cloud
September 24, 2010, 12:00am PDT
The Cloud is fast gaining popularity as a platform for deploying Software as a Service (SaaS) applications. In principle, the Cloud provides unlimited compute resources, enabling deployed services...
Provided by Zhejiang University
-
White Papers
Coordinate-Free Distributed Algorithm for Boundary Detection in Wireless Sensor Networks
July 31, 2011, 12:00am PDT
In this paper, the authors propose a Coordinate-free Distributed Boundary Detection algorithm (CDBD). It adopts general sensing and communication models and exploits two centrality measures, i.e.,...
Provided by Zhejiang University
-
White Papers
Reinforcement Learning Enhanced Iterative Power Allocation in Stochastic Cognitive Wireless Mesh Networks
March 10, 2010, 12:00am PST
As the scarce spectrum resource is becoming overcrowded, cognitive wireless mesh networks have great flexibility to improve the spectrum utilization by opportunistically accessing the licensed...
Provided by Zhejiang University
-
White Papers
Financial Crisis, Control Rights And Cash Flow Of Investment Sensitivity: The Chinese Perspective
October 31, 2010, 12:00am PDT
The investment cash flow sensitivity is considered with firm's control right and the impact of financial crisis at the end of 2008. Compared with the classic model by ownership, the model with...
Provided by Zhejiang University
-
White Papers
Large-Volatility Dynamics In Financial Markets
March 25, 2011, 12:00am PDT
The authors investigate the large-volatility dynamics in financial markets, based on the minute-to-minute and daily data of the Chinese Indices and German DAX. The dynamic relaxation both before...
Provided by Zhejiang University
-
White Papers
Finding Closed Frequent Itemsets in Linear Time
May 10, 2008, 12:00am PDT
Efficient algorithms for mining frequent itemsets are crucial for the analysis of data arising in a broad of applications. Recent studies proved that mining frequent closed itemsets substantially...
Provided by Zhejiang University
-
White Papers
Strong Designated Verifier Signature Scheme: New Definition and Construction
September 16, 2010, 12:00am PDT
Recently, several strong designated verifier signature schemes have been proposed in the literature. In this paper, the authors first point out that such so-called strong designated verifier...
Provided by Zhejiang University
-
White Papers
Cryptanalysis of an Image Encryption Scheme Based on the Hill Cipher
February 2, 2008, 12:00am PST
The history of cryptography can be traced back to the secret communication among people thousands of years ago. With the development of human society and industrial technology, theories and...
Provided by Zhejiang University
-
White Papers
Real-Time QOS Support in Wireless Sensor Networks: A Survey
September 28, 2007, 12:00am PDT
Real-time wireless sensor networks are becoming more and more important by the requirement of message delivery timeliness in emerging new applications. Supporting real-time QoS in sensor networks...
Provided by Zhejiang University
-
White Papers
Collaborative Web-Based E-learning Environment for Information Security Curriculum
March 13, 2009, 12:00am PDT
In recent years, the development of e-learning is very rapid. E-learning is an attractive and efficient way for computer education. Student interaction and collaboration also plays an important...
Provided by Zhejiang University
-
White Papers
A Swarm-Intelligence-Based Intrusion Detection Technique
July 1, 2006, 12:00am PDT
A Swarm-intelligence-based intrusion detection technique proposed to in order to reduce the misjudgment & misdetection and increase the real-time response in the existing intrusion detection...
Provided by Zhejiang University
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