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Universidade Federal de Lavras
(30 results)-
Whitepapers
MAC Protocols for Wireless Sensor Networks Over Radio-Over-Fiber Links
May 24, 2012, 12:00am PDT
In this paper, two Medium Access Control (MAC) protocols exclusively tailored to WSNs over RoF (RWSNs) namely SPP-MAC (Scheduled Priority Polling Medium Access Control) (polling-based) and HMARS...
Provided by Universidade Federal de Lavras
-
Whitepapers
Cluster Based Routing Protocol for Mobile Ad Hoc Networks
February 23, 2009, 12:00am PST
In this paper, the authors proposed a cluster based routing protocol for mobile ad hoc network. It uses clustering's structure to decrease average end-to-end delay and improve the average packet...
Provided by Universidade Federal de Lavras
-
Whitepapers
GA-SVM and Mutual Information Based Frequency Feature Selection for Face Recognition
January 19, 2009, 12:00am PST
The dimensionality of existing data makes it difficult to deploy any information to identify features that discriminate between the classes of interest. Feature selection involves reducing the...
Provided by Universidade Federal de Lavras
-
Whitepapers
An Energy Aware Sensor Network Query Processing System
January 19, 2009, 12:00am PST
Recent developments in hardware have enabled the widespread deployment of sensor networks consisting of small sensor nodes with sensing, computation, and communication capabilities. Sensor data...
Provided by Universidade Federal de Lavras
-
Whitepapers
Energy-Efficient Scheduling in WMSNs
March 24, 2009, 12:00am PDT
Recent technological breakthroughs in ultra-high integration and low-power electronics have enabled the development of tiny battery-operated sensors. The signal processing and communication...
Provided by Universidade Federal de Lavras
-
Whitepapers
Connector Based Metamodel for Architecture Description Language
January 19, 2009, 12:00am PST
To provide hierarchical description from different software architectural viewpoints the authors need more than one abstraction hierarchy and connection mechanisms to support the interactions...
Provided by Universidade Federal de Lavras
-
Whitepapers
Quantum Cryptographic Protocols for Secure Communication
April 26, 2009, 12:00am PDT
Quantum Cryptography offers a secure method of sharing sequences of random numbers to be used as cryptographic keys. It can potentially eliminate many of the weaknesses of classical cryptographic...
Provided by Universidade Federal de Lavras
-
Whitepapers
On Merging Object-Oriented Formal Specifications
November 5, 2008, 12:00am PST
Collaborative development allows the delegation of tasks among developers, which eases the development of complex software systems. The software artifacts created because of this collaboration...
Provided by Universidade Federal de Lavras
-
Whitepapers
Software Metrics Evaluation Based on Entropy
February 11, 2009, 12:00am PST
Software engineering activities in the Industry has come a long way with various improvements brought in various stages of the software development life cycle. The complexity of modern software,...
Provided by Universidade Federal de Lavras
-
Whitepapers
Reconfigurable Path Restoration Schemes for MPLS Networks
April 26, 2009, 12:00am PDT
Multi-Protocol Label Switching (MPLS) is an alternative to integrate the traditional Internet Protocol (IP) routing and switching technologies because it provides end-to-end Quality of Service...
Provided by Universidade Federal de Lavras
-
Whitepapers
Investigating and Analyzing the Light-Weight Ciphers for Wireless Sensor Networks
March 10, 2009, 12:00am PDT
The Wireless Sensor Networks (WSNs) are characterized by the severe constraints in the computational, storage and energy resources. Though there has been significant improvement in the available...
Provided by Universidade Federal de Lavras
-
Whitepapers
Identifying Coverage Perimeter of Heterogeneous Wireless Sensor Networks
April 1, 2009, 12:00am PDT
Perimeter surveillance is one of the major applications of sensor networks. The perimeter represents the physical extent of the region to be monitored and depending on the application, it is...
Provided by Universidade Federal de Lavras
-
Whitepapers
Stochastic and Balanced Distributed Energy-Efficient Clustering (SBDEEC) for Heterogeneous Wireless Sensor Networks
September 23, 2009, 12:00am PDT
Typically, a wireless sensor network contains an important number of inexpensive power constrained sensors which collect data from the environment and transmit them towards the base station in a...
Provided by Universidade Federal de Lavras
-
Whitepapers
Hierarchical Clustering for Identifying Crosscutting Concerns in Object Oriented Software Systems
August 11, 2009, 12:00am PDT
Crosscutting concerns are parts of a program that affect or crosscut other concerns. Usually these concerns cannot be cleanly decomposed from the rest of the system, and they are mixed with many...
Provided by Universidade Federal de Lavras
-
Whitepapers
An Extended Approach for Recovering BPMN and WebML Models From Legacy Web Applications
April 26, 2009, 12:00am PDT
A Web application is a software system which provides its functionalities through the Web. Understanding, maintaining and re-engineering legacy Web applications requires a reverse-engineering...
Provided by Universidade Federal de Lavras
-
Whitepapers
Verifiable Signature Sharing Scheme Based on Strong RSA Assumption
August 18, 2009, 12:00am PDT
A signature scheme provides a way for each user to sign messages so that the signatures can later be verified by anyone else. More specifically, each user can create a matched pair of private and...
Provided by Universidade Federal de Lavras
-
Whitepapers
Steerable Pyramids Feature Based Classification Using Fisher Linear Discriminant for Face Recognition
July 4, 2009, 12:00am PDT
In this paper, an efficient local appearance feature extraction method based the multiresolution Steerable Pyramids (SP) transform is proposed in order to further enhance the performance of the...
Provided by Universidade Federal de Lavras
-
Whitepapers
A Communication Architecture Based on SCTP and SIP to Support Mobile Real-Time Multimedia Applications
July 4, 2009, 12:00am PDT
New versions of SCTP protocol allow the implementation of handover procedures in the transport layer, as well as the supply of a partially reliable communication service. An end-to-end...
Provided by Universidade Federal de Lavras
-
Whitepapers
A Representation Model of Design Rationale for the Design of ERP Systems
July 16, 2009, 12:00am PDT
Special attention has been given to documentation and support activities in Software Engineering design, mainly when they are related to complex systems and distributed teams. Usually, information...
Provided by Universidade Federal de Lavras
-
Whitepapers
A Framework for Reengineering Web Applications to Web Services
January 4, 2008, 12:00am PST
Web services technology and Service-Oriented Architectures (SOA) are rapidly developing and widely supported. However, it is fairly difficult for existing Web applications to expose functionality...
Provided by Universidade Federal de Lavras
-
Whitepapers
Using Low-Interaction Honeypots to Study the Abuse of Open Proxies to Send Spam
December 4, 2007, 12:00am PST
One of the main problems in creating effective mechanisms to mitigate the spam problem is the lack of more precise data on it. This paper describes the design and implementation of a...
Provided by Universidade Federal de Lavras
-
Whitepapers
A Framework for Mobile Grid Environments Based on Semantic Integration of Ontologies and Workflow-Based Applications
December 8, 2008, 12:00am PST
One of objectives of the mobile grid infrastructure is become possible that the mobile user can use the computational power available in computational grids for solving complex problems. However,...
Provided by Universidade Federal de Lavras
-
Whitepapers
HIDEF: A Data Exchange Format for Information Collected in Honeypots and Honeynets
February 2, 2008, 12:00am PST
The deployment of honeypots is one of the methods used to collect data about attack trends in computer networks. The lack of a standard format for data representation makes the exchange and...
Provided by Universidade Federal de Lavras
-
Whitepapers
Metrics-Based Analysis of Requirements for Object-Oriented Systems: An Empirical Approach
March 26, 2008, 12:00am PDT
In an object-oriented environment, it is necessary to ensure that all the requirements are addressed in the design as well as implemented in a consistent manner in UML diagrams like sequence and...
Provided by Universidade Federal de Lavras
-
Whitepapers
Location Update Schemes for Mobile Agents
December 5, 2007, 12:00am PST
For mobile agents roaming in a network, location management strategies still represent a current research issue, for contacting and communicating with these agents. The cost of a location...
Provided by Universidade Federal de Lavras
-
Whitepapers
Quality of Service Using Adaptive Traffic Balancing in Wireless (Ad Hoc) Mesh Networks
December 15, 2008, 12:00am PST
Wireless Mesh networks exploit multi-hop wireless communications between Access Points to replace wired infrastructure. For improving the performance of Quality of Service in face of unreliable...
Provided by Universidade Federal de Lavras
-
Whitepapers
A Framework for Component Design Using MVC Design Pattern
November 5, 2008, 12:00am PST
In this paper, the authors propose a framework where functional requirements are traced from use case model to component model via analysis and design models. Here, components of the component...
Provided by Universidade Federal de Lavras
-
Whitepapers
User Authentication Schemes for Mobile and Handheld Devices
December 8, 2007, 12:00am PST
User authentication is a difficulty for every system providing safe access to precious, private information, or personalized services. It is a continual problem, particularly with mobile and...
Provided by Universidade Federal de Lavras
-
Whitepapers
Software Security Risk Analysis Using Fuzzy Expert System
July 16, 2008, 12:00am PDT
Today, there is wide concern on the security of software systems because many organizations depend largely on them for their day-to-day operations. Since the authors have not seen a software...
Provided by Universidade Federal de Lavras
-
Whitepapers
Bringing Semantics to Web Services: Model Driven Approach
May 26, 2008, 12:00am PDT
The semantic web promises automates invocation, discovery and composition of web services by enhancing services with semantic descriptions. This paper describes a model driven approach to...
Provided by Universidade Federal de Lavras
-
Whitepapers
MAC Protocols for Wireless Sensor Networks Over Radio-Over-Fiber Links
May 24, 2012, 12:00am PDT
In this paper, two Medium Access Control (MAC) protocols exclusively tailored to WSNs over RoF (RWSNs) namely SPP-MAC (Scheduled Priority Polling Medium Access Control) (polling-based) and HMARS...
Provided by Universidade Federal de Lavras
-
Whitepapers
Bringing Semantics to Web Services: Model Driven Approach
May 26, 2008, 12:00am PDT
The semantic web promises automates invocation, discovery and composition of web services by enhancing services with semantic descriptions. This paper describes a model driven approach to...
Provided by Universidade Federal de Lavras
-
Whitepapers
Software Security Risk Analysis Using Fuzzy Expert System
July 16, 2008, 12:00am PDT
Today, there is wide concern on the security of software systems because many organizations depend largely on them for their day-to-day operations. Since the authors have not seen a software...
Provided by Universidade Federal de Lavras
-
Whitepapers
User Authentication Schemes for Mobile and Handheld Devices
December 8, 2007, 12:00am PST
User authentication is a difficulty for every system providing safe access to precious, private information, or personalized services. It is a continual problem, particularly with mobile and...
Provided by Universidade Federal de Lavras
-
Whitepapers
A Framework for Component Design Using MVC Design Pattern
November 5, 2008, 12:00am PST
In this paper, the authors propose a framework where functional requirements are traced from use case model to component model via analysis and design models. Here, components of the component...
Provided by Universidade Federal de Lavras
-
Whitepapers
Quality of Service Using Adaptive Traffic Balancing in Wireless (Ad Hoc) Mesh Networks
December 15, 2008, 12:00am PST
Wireless Mesh networks exploit multi-hop wireless communications between Access Points to replace wired infrastructure. For improving the performance of Quality of Service in face of unreliable...
Provided by Universidade Federal de Lavras
-
Whitepapers
Location Update Schemes for Mobile Agents
December 5, 2007, 12:00am PST
For mobile agents roaming in a network, location management strategies still represent a current research issue, for contacting and communicating with these agents. The cost of a location...
Provided by Universidade Federal de Lavras
-
Whitepapers
Metrics-Based Analysis of Requirements for Object-Oriented Systems: An Empirical Approach
March 26, 2008, 12:00am PDT
In an object-oriented environment, it is necessary to ensure that all the requirements are addressed in the design as well as implemented in a consistent manner in UML diagrams like sequence and...
Provided by Universidade Federal de Lavras
-
Whitepapers
HIDEF: A Data Exchange Format for Information Collected in Honeypots and Honeynets
February 2, 2008, 12:00am PST
The deployment of honeypots is one of the methods used to collect data about attack trends in computer networks. The lack of a standard format for data representation makes the exchange and...
Provided by Universidade Federal de Lavras
-
Whitepapers
A Framework for Mobile Grid Environments Based on Semantic Integration of Ontologies and Workflow-Based Applications
December 8, 2008, 12:00am PST
One of objectives of the mobile grid infrastructure is become possible that the mobile user can use the computational power available in computational grids for solving complex problems. However,...
Provided by Universidade Federal de Lavras
-
Whitepapers
Using Low-Interaction Honeypots to Study the Abuse of Open Proxies to Send Spam
December 4, 2007, 12:00am PST
One of the main problems in creating effective mechanisms to mitigate the spam problem is the lack of more precise data on it. This paper describes the design and implementation of a...
Provided by Universidade Federal de Lavras
-
Whitepapers
A Framework for Reengineering Web Applications to Web Services
January 4, 2008, 12:00am PST
Web services technology and Service-Oriented Architectures (SOA) are rapidly developing and widely supported. However, it is fairly difficult for existing Web applications to expose functionality...
Provided by Universidade Federal de Lavras
-
Whitepapers
A Representation Model of Design Rationale for the Design of ERP Systems
July 16, 2009, 12:00am PDT
Special attention has been given to documentation and support activities in Software Engineering design, mainly when they are related to complex systems and distributed teams. Usually, information...
Provided by Universidade Federal de Lavras
-
Whitepapers
A Communication Architecture Based on SCTP and SIP to Support Mobile Real-Time Multimedia Applications
July 4, 2009, 12:00am PDT
New versions of SCTP protocol allow the implementation of handover procedures in the transport layer, as well as the supply of a partially reliable communication service. An end-to-end...
Provided by Universidade Federal de Lavras
-
Whitepapers
Steerable Pyramids Feature Based Classification Using Fisher Linear Discriminant for Face Recognition
July 4, 2009, 12:00am PDT
In this paper, an efficient local appearance feature extraction method based the multiresolution Steerable Pyramids (SP) transform is proposed in order to further enhance the performance of the...
Provided by Universidade Federal de Lavras
-
Whitepapers
Verifiable Signature Sharing Scheme Based on Strong RSA Assumption
August 18, 2009, 12:00am PDT
A signature scheme provides a way for each user to sign messages so that the signatures can later be verified by anyone else. More specifically, each user can create a matched pair of private and...
Provided by Universidade Federal de Lavras
-
Whitepapers
An Extended Approach for Recovering BPMN and WebML Models From Legacy Web Applications
April 26, 2009, 12:00am PDT
A Web application is a software system which provides its functionalities through the Web. Understanding, maintaining and re-engineering legacy Web applications requires a reverse-engineering...
Provided by Universidade Federal de Lavras
-
Whitepapers
Hierarchical Clustering for Identifying Crosscutting Concerns in Object Oriented Software Systems
August 11, 2009, 12:00am PDT
Crosscutting concerns are parts of a program that affect or crosscut other concerns. Usually these concerns cannot be cleanly decomposed from the rest of the system, and they are mixed with many...
Provided by Universidade Federal de Lavras
-
Whitepapers
Stochastic and Balanced Distributed Energy-Efficient Clustering (SBDEEC) for Heterogeneous Wireless Sensor Networks
September 23, 2009, 12:00am PDT
Typically, a wireless sensor network contains an important number of inexpensive power constrained sensors which collect data from the environment and transmit them towards the base station in a...
Provided by Universidade Federal de Lavras
-
Whitepapers
Identifying Coverage Perimeter of Heterogeneous Wireless Sensor Networks
April 1, 2009, 12:00am PDT
Perimeter surveillance is one of the major applications of sensor networks. The perimeter represents the physical extent of the region to be monitored and depending on the application, it is...
Provided by Universidade Federal de Lavras
-
Whitepapers
Investigating and Analyzing the Light-Weight Ciphers for Wireless Sensor Networks
March 10, 2009, 12:00am PDT
The Wireless Sensor Networks (WSNs) are characterized by the severe constraints in the computational, storage and energy resources. Though there has been significant improvement in the available...
Provided by Universidade Federal de Lavras
-
Whitepapers
Reconfigurable Path Restoration Schemes for MPLS Networks
April 26, 2009, 12:00am PDT
Multi-Protocol Label Switching (MPLS) is an alternative to integrate the traditional Internet Protocol (IP) routing and switching technologies because it provides end-to-end Quality of Service...
Provided by Universidade Federal de Lavras
-
Whitepapers
Software Metrics Evaluation Based on Entropy
February 11, 2009, 12:00am PST
Software engineering activities in the Industry has come a long way with various improvements brought in various stages of the software development life cycle. The complexity of modern software,...
Provided by Universidade Federal de Lavras
-
Whitepapers
On Merging Object-Oriented Formal Specifications
November 5, 2008, 12:00am PST
Collaborative development allows the delegation of tasks among developers, which eases the development of complex software systems. The software artifacts created because of this collaboration...
Provided by Universidade Federal de Lavras
-
Whitepapers
Quantum Cryptographic Protocols for Secure Communication
April 26, 2009, 12:00am PDT
Quantum Cryptography offers a secure method of sharing sequences of random numbers to be used as cryptographic keys. It can potentially eliminate many of the weaknesses of classical cryptographic...
Provided by Universidade Federal de Lavras
-
Whitepapers
Connector Based Metamodel for Architecture Description Language
January 19, 2009, 12:00am PST
To provide hierarchical description from different software architectural viewpoints the authors need more than one abstraction hierarchy and connection mechanisms to support the interactions...
Provided by Universidade Federal de Lavras
-
Whitepapers
Energy-Efficient Scheduling in WMSNs
March 24, 2009, 12:00am PDT
Recent technological breakthroughs in ultra-high integration and low-power electronics have enabled the development of tiny battery-operated sensors. The signal processing and communication...
Provided by Universidade Federal de Lavras
-
Whitepapers
An Energy Aware Sensor Network Query Processing System
January 19, 2009, 12:00am PST
Recent developments in hardware have enabled the widespread deployment of sensor networks consisting of small sensor nodes with sensing, computation, and communication capabilities. Sensor data...
Provided by Universidade Federal de Lavras
-
Whitepapers
GA-SVM and Mutual Information Based Frequency Feature Selection for Face Recognition
January 19, 2009, 12:00am PST
The dimensionality of existing data makes it difficult to deploy any information to identify features that discriminate between the classes of interest. Feature selection involves reducing the...
Provided by Universidade Federal de Lavras
-
Whitepapers
Cluster Based Routing Protocol for Mobile Ad Hoc Networks
February 23, 2009, 12:00am PST
In this paper, the authors proposed a cluster based routing protocol for mobile ad hoc network. It uses clustering's structure to decrease average end-to-end delay and improve the average packet...
Provided by Universidade Federal de Lavras
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