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Peking University
(32 results)-
White Papers
AmazingStore: Available, Low-Cost Online Storage Service Using Cloudlets
March 19, 2010, 12:00am PDT
Cloud-Based Internet services rely on the availability and reliability of managed data centers. Recent events indicate that data centers tend to create centralized points of failure, and providing...
Provided by Peking University
-
White Papers
Test Generation Via Dynamic Symbolic Execution for Mutation Testing
August 19, 2010, 12:00am PDT
Mutation testing has been used to assess and improve the quality of test inputs. Generating test inputs to achieve high mutant-killing ratios is important in mutation testing. However, existing...
Provided by Peking University
-
White Papers
Cross Layer Optimization for Fairness Balancing Based on Adaptively Weighted Utility Functions in OFDMA Systems
June 9, 2009, 12:00am PDT
Cross layer optimization based on utility functions has been recently studied extensively; meanwhile, numerous types of utility functions have been examined in the corresponding literature....
Provided by Peking University
-
White Papers
On the Privacy of Peer-Assisted Distribution of Security Patches
June 21, 2010, 12:00am PDT
When a host discovers that it has a software vulnerability that is susceptible to an attack, the host needs to obtain and install a patch. Because centralized distribution of patches may not scale...
Provided by Peking University
-
White Papers
A Collaborative Framework for Privacy Protection in Online Social Networks
September 17, 2010, 12:00am PDT
With the wide use of Online Social Networks (OSNs), the problem of data privacy has attracted much attention. Several approaches have been proposed to address this issue. One of privacy management...
Provided by Peking University
-
White Papers
Cost and Effects of Pinning Control for Network Synchronization
October 15, 2007, 12:00am PDT
In this paper, the problem of pinning control for synchronization of complex dynamical networks is discussed. A cost function of the controlled network is defined by the feedback gain and the...
Provided by Peking University
-
White Papers
Distributed and Optimal Reduced Primal-Dual Algorithm for Uplink OFDM Resource Allocation
December 22, 2010, 12:00am PST
Orthogonal Frequency Division Multiplexing (OFDM) is the key component of many emerging broadband wireless access standards. The resource allocation in OFDM uplink, however, is challenging due to...
Provided by Peking University
-
White Papers
New Construction of Identity-Based Proxy Re-Encryption
September 25, 2010, 12:00am PDT
A Proxy Re-Encryption (PRE) scheme involves three parties: Alice, Bob, and a proxy. PRE allows the proxy to translate a ciphertext encrypted under Alice's public key into one that can be decrypted...
Provided by Peking University
-
White Papers
Active Learning of Causal Networks With Intervention Experiments and Optimal Designs
November 1, 2008, 12:00am PDT
The causal discovery from data is important for various scientific investigations. Because the authors cannot distinguish the different Directed Acyclic Graphs (DAGs) in a Markov equivalence class...
Provided by Peking University
-
White Papers
Bisimulations for Fuzzy Transition Systems
December 10, 2010, 12:00am PST
There has been a long history of using fuzzy language equivalence to compare the behavior of fuzzy systems, but the comparison at this level is too coarse. Recently, a finer behavioral measure,...
Provided by Peking University
-
White Papers
Simulating Human Saccadic Scanpaths on Natural Images
April 2, 2011, 12:00am PDT
Human saccade is a dynamic process of information pursuit. Based on the principle of information maximization, the authors propose a computational model to simulate human saccadic scanpaths on...
Provided by Peking University
-
White Papers
TranStrL: An Automatic Need-to-Translate String Locator for Software Internationalization
February 13, 2009, 12:00am PST
Software internationalization is often necessary when distributing software applications to different regions around the world. In many cases, developers often do not internationalize a software...
Provided by Peking University
-
White Papers
Locating Need-to-Translate Constant Strings for Software Internationalization
February 14, 2009, 12:00am PST
Modern software applications require internationalization to be distributed to different regions of the world. In various situations, many software applications are not internationalized at early...
Provided by Peking University
-
White Papers
Stability-Optimal Grouping Strategy of Peer-to-Peer Systems
November 8, 2010, 12:00am PST
When applied in high-churn Internet environments, P2P systems face a dilemma: although most participants are too unstable, a P2P system requires sufficient stable peers to provide satisfactory...
Provided by Peking University
-
White Papers
CloudTracker: Tracking Cloud Services for Accelerating Peer-to-Peer Content Distribution
July 30, 2011, 12:00am PDT
Large-scale content distribution on today's Internet primarily operates in two modes: cloud-based content distribution, which relies on "Cloud servers" (e.g., servers in data centers or web...
Provided by Peking University
-
White Papers
AirNotes: A Location-Aware Application in SaaS Pattern
September 28, 2010, 12:00am PDT
Software as a Service (SaaS) has been considered very attractive to business users, especially Small and Medium Enterprises (SMEs). Most SaaS applications available are traditional enterprises...
Provided by Peking University
-
White Papers
A Novel MLT-Based ETF-OFDM System for Anti-Jamming Communications
October 1, 2011, 12:00am PDT
Previous research has shown that the Expanded Time-Frequency OFDM (ETF-OFDM) system has good performance in anti-jamming communication. In this paper, a novel Lapped transform-based ETF- OFDM...
Provided by Peking University
-
White Papers
Elastic Stream Cloud (ESC): A Stream-Oriented Cloud Computing Implementation for Rich Internet Application
April 13, 2010, 12:00am PDT
Recently, a number of cloud computing paradigms have been proposed. The new term of cloud computing is not a new concept, is a long-held dream of computing as a utility. From the view of...
Provided by Peking University
-
White Papers
Iterative Mining of Resource-Releasing Specifications
September 1, 2011, 12:00am PDT
Software systems commonly use resources such as network connections or external file handles. Once finish using the resources, the software systems must release these resources by explicitly...
Provided by Peking University
-
White Papers
Improving the Performance of Hypervisor-Based Fault Tolerance
January 16, 2010, 12:00am PST
Hypervisor-Based Fault Tolerance (HBFT), a checkpoint-recovery mechanism, is an emerging approach to sustaining mission-critical applications. Based on virtualization technology, HBFT provides an...
Provided by Peking University
-
White Papers
Exploring the Cost-Availability Tradeoff in P2P Storage Systems
July 2, 2009, 12:00am PDT
P2P storage systems use replication to provide a certain level of availability. While the system must generate new replicas to replace replicas lost to permanent failures, it can save significant...
Provided by Peking University
-
White Papers
Catching Instant Messaging Worms With Change-Point Detection Techniques
March 26, 2008, 12:00am PDT
Instant Messaging (IM) systems have gained a lot of popularity in recent years. The increasing number of IM users has lured malware authors to develop more worms and viruses that spread in IM...
Provided by Peking University
-
White Papers
Adaptive Key Protection in Complex Cryptosystems With Attributes
March 13, 2012, 12:00am PDT
In the Attribute-Based Encryption (ABE) model, attributes (as opposed to identities) are used to encrypt messages, and all the receivers with qualifying attributes can decrypt the ciphertext....
Provided by Peking University
-
White Papers
Vulnerability Analysis Approach To Capturing Information System Safety Threats and Requirements
October 1, 2011, 12:00am PDT
Abuse case has great support in identifying security threats and security requirements caused by outside attackers, but it has not been used to capture non-malicious deliberate acts for safety...
Provided by Peking University
-
White Papers
Non-Cooperative Feedback Rate Control Game for Channel State Information in Wireless Networks
November 30, 2011, 12:00am PST
It has been well recognized that Channel State Information (CSI) feedback is of great importance for downlink transmissions of closed-loop wireless networks. However, the existing work typically...
Provided by Peking University
-
White Papers
Modeling TCG-Based Secure Systems With Colored Petri Nets
November 9, 2010, 12:00am PST
With the rapid progresses in trusted computing related research and application, many trusted computing based security mechanisms have been proposed to defend against threats in open, dynamic and...
Provided by Peking University
-
White Papers
Context-Aware Usage Control for Android
November 12, 2010, 12:00am PST
The security of smart phones is increasingly important due to their rapid popularity. Mobile computing on smart phones introduces many new characteristics such as personalization, mobility,...
Provided by Peking University
-
White Papers
Practical Property-Based Attestation on Free Software
November 12, 2010, 12:00am PST
Existing attestation schemes still tie the property with binary code of program and they have to hold a large number of known-good measurements. However, free software is usually configured and...
Provided by Peking University
-
White Papers
Remote Attestation on Function Execution
November 12, 2010, 12:00am PST
In this paper, the authors propose a function attestation scheme, which allows a challenger to verify the execution of the mission critical functions within a program. Compared with prior work on...
Provided by Peking University
-
White Papers
CMCD: Count Matrix Based Code Clone Detection
September 30, 2011, 12:00am PDT
This paper introduces CMCD, a Count Matrix based technique to detect clones in program code. The key concept behind CMCD is Count Matrix, which is created while counting the occurrence frequencies...
Provided by Peking University
-
White Papers
Towards Temporal Access Control in Cloud Computing
January 15, 2012, 12:00am PST
Access control is one of the most important security mechanisms in cloud computing. Attribute-based access control provides a flexible approach that allows data owners to integrate data access...
Provided by Peking University
-
White Papers
Collaborative Integrity Verification in Hybrid Clouds
August 15, 2011, 12:00am PDT
A hybrid cloud is a cloud computing environment in which an organization provides and manages some internal resources and the others provided externally. However, this new environment could bring...
Provided by Peking University
-
White Papers
Collaborative Integrity Verification in Hybrid Clouds
August 15, 2011, 12:00am PDT
A hybrid cloud is a cloud computing environment in which an organization provides and manages some internal resources and the others provided externally. However, this new environment could bring...
Provided by Peking University
-
White Papers
Towards Temporal Access Control in Cloud Computing
January 15, 2012, 12:00am PST
Access control is one of the most important security mechanisms in cloud computing. Attribute-based access control provides a flexible approach that allows data owners to integrate data access...
Provided by Peking University
-
White Papers
CMCD: Count Matrix Based Code Clone Detection
September 30, 2011, 12:00am PDT
This paper introduces CMCD, a Count Matrix based technique to detect clones in program code. The key concept behind CMCD is Count Matrix, which is created while counting the occurrence frequencies...
Provided by Peking University
-
White Papers
Remote Attestation on Function Execution
November 12, 2010, 12:00am PST
In this paper, the authors propose a function attestation scheme, which allows a challenger to verify the execution of the mission critical functions within a program. Compared with prior work on...
Provided by Peking University
-
White Papers
Practical Property-Based Attestation on Free Software
November 12, 2010, 12:00am PST
Existing attestation schemes still tie the property with binary code of program and they have to hold a large number of known-good measurements. However, free software is usually configured and...
Provided by Peking University
-
White Papers
Context-Aware Usage Control for Android
November 12, 2010, 12:00am PST
The security of smart phones is increasingly important due to their rapid popularity. Mobile computing on smart phones introduces many new characteristics such as personalization, mobility,...
Provided by Peking University
-
White Papers
Modeling TCG-Based Secure Systems With Colored Petri Nets
November 9, 2010, 12:00am PST
With the rapid progresses in trusted computing related research and application, many trusted computing based security mechanisms have been proposed to defend against threats in open, dynamic and...
Provided by Peking University
-
White Papers
Non-Cooperative Feedback Rate Control Game for Channel State Information in Wireless Networks
November 30, 2011, 12:00am PST
It has been well recognized that Channel State Information (CSI) feedback is of great importance for downlink transmissions of closed-loop wireless networks. However, the existing work typically...
Provided by Peking University
-
White Papers
Vulnerability Analysis Approach To Capturing Information System Safety Threats and Requirements
October 1, 2011, 12:00am PDT
Abuse case has great support in identifying security threats and security requirements caused by outside attackers, but it has not been used to capture non-malicious deliberate acts for safety...
Provided by Peking University
-
White Papers
Adaptive Key Protection in Complex Cryptosystems With Attributes
March 13, 2012, 12:00am PDT
In the Attribute-Based Encryption (ABE) model, attributes (as opposed to identities) are used to encrypt messages, and all the receivers with qualifying attributes can decrypt the ciphertext....
Provided by Peking University
-
White Papers
Catching Instant Messaging Worms With Change-Point Detection Techniques
March 26, 2008, 12:00am PDT
Instant Messaging (IM) systems have gained a lot of popularity in recent years. The increasing number of IM users has lured malware authors to develop more worms and viruses that spread in IM...
Provided by Peking University
-
White Papers
Exploring the Cost-Availability Tradeoff in P2P Storage Systems
July 2, 2009, 12:00am PDT
P2P storage systems use replication to provide a certain level of availability. While the system must generate new replicas to replace replicas lost to permanent failures, it can save significant...
Provided by Peking University
-
White Papers
Improving the Performance of Hypervisor-Based Fault Tolerance
January 16, 2010, 12:00am PST
Hypervisor-Based Fault Tolerance (HBFT), a checkpoint-recovery mechanism, is an emerging approach to sustaining mission-critical applications. Based on virtualization technology, HBFT provides an...
Provided by Peking University
-
White Papers
Iterative Mining of Resource-Releasing Specifications
September 1, 2011, 12:00am PDT
Software systems commonly use resources such as network connections or external file handles. Once finish using the resources, the software systems must release these resources by explicitly...
Provided by Peking University
-
White Papers
Elastic Stream Cloud (ESC): A Stream-Oriented Cloud Computing Implementation for Rich Internet Application
April 13, 2010, 12:00am PDT
Recently, a number of cloud computing paradigms have been proposed. The new term of cloud computing is not a new concept, is a long-held dream of computing as a utility. From the view of...
Provided by Peking University
-
White Papers
A Novel MLT-Based ETF-OFDM System for Anti-Jamming Communications
October 1, 2011, 12:00am PDT
Previous research has shown that the Expanded Time-Frequency OFDM (ETF-OFDM) system has good performance in anti-jamming communication. In this paper, a novel Lapped transform-based ETF- OFDM...
Provided by Peking University
-
White Papers
AirNotes: A Location-Aware Application in SaaS Pattern
September 28, 2010, 12:00am PDT
Software as a Service (SaaS) has been considered very attractive to business users, especially Small and Medium Enterprises (SMEs). Most SaaS applications available are traditional enterprises...
Provided by Peking University
-
White Papers
CloudTracker: Tracking Cloud Services for Accelerating Peer-to-Peer Content Distribution
July 30, 2011, 12:00am PDT
Large-scale content distribution on today's Internet primarily operates in two modes: cloud-based content distribution, which relies on "Cloud servers" (e.g., servers in data centers or web...
Provided by Peking University
-
White Papers
Stability-Optimal Grouping Strategy of Peer-to-Peer Systems
November 8, 2010, 12:00am PST
When applied in high-churn Internet environments, P2P systems face a dilemma: although most participants are too unstable, a P2P system requires sufficient stable peers to provide satisfactory...
Provided by Peking University
-
White Papers
Locating Need-to-Translate Constant Strings for Software Internationalization
February 14, 2009, 12:00am PST
Modern software applications require internationalization to be distributed to different regions of the world. In various situations, many software applications are not internationalized at early...
Provided by Peking University
-
White Papers
TranStrL: An Automatic Need-to-Translate String Locator for Software Internationalization
February 13, 2009, 12:00am PST
Software internationalization is often necessary when distributing software applications to different regions around the world. In many cases, developers often do not internationalize a software...
Provided by Peking University
-
White Papers
Simulating Human Saccadic Scanpaths on Natural Images
April 2, 2011, 12:00am PDT
Human saccade is a dynamic process of information pursuit. Based on the principle of information maximization, the authors propose a computational model to simulate human saccadic scanpaths on...
Provided by Peking University
-
White Papers
Bisimulations for Fuzzy Transition Systems
December 10, 2010, 12:00am PST
There has been a long history of using fuzzy language equivalence to compare the behavior of fuzzy systems, but the comparison at this level is too coarse. Recently, a finer behavioral measure,...
Provided by Peking University
-
White Papers
Active Learning of Causal Networks With Intervention Experiments and Optimal Designs
November 1, 2008, 12:00am PDT
The causal discovery from data is important for various scientific investigations. Because the authors cannot distinguish the different Directed Acyclic Graphs (DAGs) in a Markov equivalence class...
Provided by Peking University
-
White Papers
New Construction of Identity-Based Proxy Re-Encryption
September 25, 2010, 12:00am PDT
A Proxy Re-Encryption (PRE) scheme involves three parties: Alice, Bob, and a proxy. PRE allows the proxy to translate a ciphertext encrypted under Alice's public key into one that can be decrypted...
Provided by Peking University
-
White Papers
Distributed and Optimal Reduced Primal-Dual Algorithm for Uplink OFDM Resource Allocation
December 22, 2010, 12:00am PST
Orthogonal Frequency Division Multiplexing (OFDM) is the key component of many emerging broadband wireless access standards. The resource allocation in OFDM uplink, however, is challenging due to...
Provided by Peking University
-
White Papers
Cost and Effects of Pinning Control for Network Synchronization
October 15, 2007, 12:00am PDT
In this paper, the problem of pinning control for synchronization of complex dynamical networks is discussed. A cost function of the controlled network is defined by the feedback gain and the...
Provided by Peking University
-
White Papers
A Collaborative Framework for Privacy Protection in Online Social Networks
September 17, 2010, 12:00am PDT
With the wide use of Online Social Networks (OSNs), the problem of data privacy has attracted much attention. Several approaches have been proposed to address this issue. One of privacy management...
Provided by Peking University
-
White Papers
On the Privacy of Peer-Assisted Distribution of Security Patches
June 21, 2010, 12:00am PDT
When a host discovers that it has a software vulnerability that is susceptible to an attack, the host needs to obtain and install a patch. Because centralized distribution of patches may not scale...
Provided by Peking University
-
White Papers
Cross Layer Optimization for Fairness Balancing Based on Adaptively Weighted Utility Functions in OFDMA Systems
June 9, 2009, 12:00am PDT
Cross layer optimization based on utility functions has been recently studied extensively; meanwhile, numerous types of utility functions have been examined in the corresponding literature....
Provided by Peking University
-
White Papers
Test Generation Via Dynamic Symbolic Execution for Mutation Testing
August 19, 2010, 12:00am PDT
Mutation testing has been used to assess and improve the quality of test inputs. Generating test inputs to achieve high mutant-killing ratios is important in mutation testing. However, existing...
Provided by Peking University
-
White Papers
AmazingStore: Available, Low-Cost Online Storage Service Using Cloudlets
March 19, 2010, 12:00am PDT
Cloud-Based Internet services rely on the availability and reliability of managed data centers. Recent events indicate that data centers tend to create centralized points of failure, and providing...
Provided by Peking University
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