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Ionian University
(25 results)-
Whitepapers
Secure and Privacy-Preserving, Timed Vehicular Communications
February 10, 2011, 12:00am PST
The authors consider the problem of privacy (anonymity) and security in vehicular (V2V) communication, in particular securing routine safety messages. Traditional public key mechanisms are not...
Provided by Ionian University
-
Whitepapers
Cryptographic Approaches for Privacy Preservation in Location-Based Services: A Survey
December 13, 2010, 12:00am PST
Current research in Location-Based Services (LBSs) highlights the importance of cryptographic primitives in privacy preservation for LBSs, and presents solutions that attempt to support the...
Provided by Ionian University
-
Whitepapers
Treating Scalability and Modelling Human Countermeasures Against Local Preference Worms Via Gradient Models
September 15, 2008, 12:00am PDT
A network worm is a specific type of malicious software that self propagates by exploiting application vulnerabilities in network-connected systems. Worm propagation models are mathematical models...
Provided by Ionian University
-
Whitepapers
Secure and Practical Key Establishment for Distributed Sensor Networks
February 5, 2008, 12:00am PST
Key establishment in sensor networks is a challenging task, due to the physical constraints of sensor devices and their exposure to several threats. Existing protocols based on symmetric...
Provided by Ionian University
-
Whitepapers
Uncertainty for Anonymity and 2-Dimensional Range Query Distortion
July 7, 2010, 12:00am PDT
In this paper, the authors study the problem of anonymity-preserving data publishing in moving objects databases. In particular, the trajectory of a mobile user on the plane is no longer a...
Provided by Ionian University
-
Whitepapers
Enhancing Privacy-Preserving Access Control for Pervasive Computing Environments
March 31, 2010, 12:00am PDT
The exchange of user-related sensitive data within a Pervasive Computing Environment (PCE) raises security and privacy concerns. On one hand, service providers require user authentication and...
Provided by Ionian University
-
Whitepapers
A Distributed Privacy-Preserving Scheme for Location-Based Queries
April 22, 2010, 12:00am PDT
In this paper, the authors deal with security and historical privacy in Location Based Service (LBS) applications where users submit accurate location samples to an LBS provider. Specifically,...
Provided by Ionian University
-
Whitepapers
A Novel Stochastic Approach for Modeling Random Scanning Worms
June 18, 2009, 12:00am PDT
Scanning worms grow with different local velocities in different areas, because of non-uniformities that are present in real networks. The present work introduces a new stochastic model...
Provided by Ionian University
-
Whitepapers
Corfunet: A Mesh Network Providing Wireless Services at Metropolitan Level
September 15, 2008, 12:00am PDT
This paper discusses the technology and commercialization challenges of a research initiative intended to establish a wireless metropolitan network for the city of Corfu. Key wireless mesh...
Provided by Ionian University
-
Whitepapers
Scalable Facility Placement for Communication Cost Reduction in Wireless Networks
May 24, 2012, 12:00am PDT
Wireless network nodes, recently powerful enough to assume sophisticated roles, have changed the angle of studying service communication costs in modern, typically large-scale and inherently...
Provided by Ionian University
-
Whitepapers
Design and Implementation Aspects of a Novel Java P2P Simulator with GUI
May 27, 2008, 12:00am PDT
Peer-to-peer networks consist of thousands or millions of nodes that might join and leave arbitrarily. The evaluation of new protocols in real environments is many times practically impossible,...
Provided by Ionian University
-
White Papers
Effective Bandwidth Control Policies for QoS enabled Wireless Networks
June 15, 2007, 12:00am PDT
In this paper, an admission control policy is introduced, suitable for efficiently controlling traffic admissions under the Enhanced Distributed Channel Access (EDCA) method, which is employed as...
Provided by Ionian University
-
White Papers
Performance Analysis of Wireless Controller Area Networks With Priority Scheme
June 15, 2007, 12:00am PDT
For large-scale distributed systems, Data centric communication based on the publish/subscribe paradigm plays a key role on traffic volume control. More data filtering efficient and adaptive to...
Provided by Ionian University
-
White Papers
Evaluation of a Specification-Based Intrusion Detection System for AODV
June 15, 2007, 12:00am PDT
A mobile ad hoc network consists of wireless nodes that build a robust radio network without any preexisting infrastructure or centralized servers. However, these networks have inherent...
Provided by Ionian University
-
White Papers
Traffic Estimation in Mobile TDMA-Based Ad Hoc Networks
June 15, 2007, 12:00am PDT
A traffic estimator is developed and thereafter used to do the slot assignment in a traffic adaptive TDMA scheme. The traffic estimation is made packet-by-packet and locally in the nodes. The...
Provided by Ionian University
-
White Papers
A Space-Time Analytical Model for Energy Consumption in Wireless Sensor Networks
June 15, 2007, 12:00am PDT
Sensor network lifetime suffers from increased energy consumption especially for those nodes in close proximity to the sink node that undertake rather the role of forwarding other nodes' data...
Provided by Ionian University
-
White Papers
Storing Multidimensional XML Documents in Relational Databases
July 15, 2007, 12:00am PDT
The problem of storing and querying XML data using relational databases has been considered a lot and many techniques have been developed. MXML is an extension of XML suitable for representing...
Provided by Ionian University
-
White Papers
Updating Multidimensional XML Documents
October 26, 2007, 12:00am PDT
In Web applications it is often required to manipulate information of semi-structured nature, which may present variations according to different circumstances. Multidimensional XML (MXML) is an...
Provided by Ionian University
-
Whitepapers
Non Repudiation in M- Commerce Using Joint Signature Scheme
June 1, 2011, 12:00am PDT
Being the hottest issue of today's time there as a lot of work to be done on mobile commerce. In mobile commerce mobile is used to avail a lot of services. One of these services includes online...
Provided by Ionian University
-
Whitepapers
Effect of Topology on the Performance of Mobile Heterogeneous Sensor Networks
June 15, 2007, 12:00am PDT
Network topology plays a significant role in the design and performance of sensor networks. The IEEE.802.15.4 standard is designed for Low-Rate Wireless Personal Area Networks (LR-WPAN) with most...
Provided by Ionian University
-
Whitepapers
Optimizing End-to-End TDMA Scheduling in Ad-Hoc Networks on Random Topologies
June 15, 2007, 12:00am PDT
Despite its dominance as a MAC layer for adhoc communications, the CSMA/CA algorithm produces several deficiencies, like complex QoS capabilities, increased overhead, and the exposed terminal...
Provided by Ionian University
-
Whitepapers
Improving System Clock Precision With NTP Offline Skew Correction
June 15, 2007, 12:00am PDT
The precision of computer clocks in Personal Digital Assistant (PDA) class devices is typically quite low, they can easily drift more than 5 seconds per day. This is problematic when such devices...
Provided by Ionian University
-
Whitepapers
Towards an Effective Intrusion Response Engine Combined With Intrusion Detection in Ad Hoc Networks
June 15, 2007, 12:00am PDT
In this paper, the authors present an effective intrusion response engine combined with intrusion detection in ad hoc networks. The intrusion response engine is composed of a secure communication...
Provided by Ionian University
-
Whitepapers
Fast Light-NEMO: Performance Analysis
June 15, 2007, 12:00am PDT
Ensuring seamless mobility for users is becoming one of the main objectives of ongoing research activities in the field of data communications. In this paper, the authors provide a low latency...
Provided by Ionian University
-
Whitepapers
An Analysis of the Generalized Max-Min D-Cluster Formation Heuristic
June 15, 2007, 12:00am PDT
Sensor networks consist of wireless nodes with limited energy. Because of their large number of applications to many diversified domains, this type of ad-hoc networks are studied more and more....
Provided by Ionian University
-
Whitepapers
Design and Implementation Aspects of a Novel Java P2P Simulator with GUI
May 27, 2008, 12:00am PDT
Peer-to-peer networks consist of thousands or millions of nodes that might join and leave arbitrarily. The evaluation of new protocols in real environments is many times practically impossible,...
Provided by Ionian University
-
Whitepapers
Scalable Facility Placement for Communication Cost Reduction in Wireless Networks
May 24, 2012, 12:00am PDT
Wireless network nodes, recently powerful enough to assume sophisticated roles, have changed the angle of studying service communication costs in modern, typically large-scale and inherently...
Provided by Ionian University
-
Whitepapers
Corfunet: A Mesh Network Providing Wireless Services at Metropolitan Level
September 15, 2008, 12:00am PDT
This paper discusses the technology and commercialization challenges of a research initiative intended to establish a wireless metropolitan network for the city of Corfu. Key wireless mesh...
Provided by Ionian University
-
Whitepapers
A Novel Stochastic Approach for Modeling Random Scanning Worms
June 18, 2009, 12:00am PDT
Scanning worms grow with different local velocities in different areas, because of non-uniformities that are present in real networks. The present work introduces a new stochastic model...
Provided by Ionian University
-
Whitepapers
A Distributed Privacy-Preserving Scheme for Location-Based Queries
April 22, 2010, 12:00am PDT
In this paper, the authors deal with security and historical privacy in Location Based Service (LBS) applications where users submit accurate location samples to an LBS provider. Specifically,...
Provided by Ionian University
-
Whitepapers
Enhancing Privacy-Preserving Access Control for Pervasive Computing Environments
March 31, 2010, 12:00am PDT
The exchange of user-related sensitive data within a Pervasive Computing Environment (PCE) raises security and privacy concerns. On one hand, service providers require user authentication and...
Provided by Ionian University
-
Whitepapers
Uncertainty for Anonymity and 2-Dimensional Range Query Distortion
July 7, 2010, 12:00am PDT
In this paper, the authors study the problem of anonymity-preserving data publishing in moving objects databases. In particular, the trajectory of a mobile user on the plane is no longer a...
Provided by Ionian University
-
Whitepapers
Secure and Practical Key Establishment for Distributed Sensor Networks
February 5, 2008, 12:00am PST
Key establishment in sensor networks is a challenging task, due to the physical constraints of sensor devices and their exposure to several threats. Existing protocols based on symmetric...
Provided by Ionian University
-
Whitepapers
Treating Scalability and Modelling Human Countermeasures Against Local Preference Worms Via Gradient Models
September 15, 2008, 12:00am PDT
A network worm is a specific type of malicious software that self propagates by exploiting application vulnerabilities in network-connected systems. Worm propagation models are mathematical models...
Provided by Ionian University
-
Whitepapers
Cryptographic Approaches for Privacy Preservation in Location-Based Services: A Survey
December 13, 2010, 12:00am PST
Current research in Location-Based Services (LBSs) highlights the importance of cryptographic primitives in privacy preservation for LBSs, and presents solutions that attempt to support the...
Provided by Ionian University
-
Whitepapers
Secure and Privacy-Preserving, Timed Vehicular Communications
February 10, 2011, 12:00am PST
The authors consider the problem of privacy (anonymity) and security in vehicular (V2V) communication, in particular securing routine safety messages. Traditional public key mechanisms are not...
Provided by Ionian University
-
Whitepapers
An Analysis of the Generalized Max-Min D-Cluster Formation Heuristic
June 15, 2007, 12:00am PDT
Sensor networks consist of wireless nodes with limited energy. Because of their large number of applications to many diversified domains, this type of ad-hoc networks are studied more and more....
Provided by Ionian University
-
Whitepapers
Fast Light-NEMO: Performance Analysis
June 15, 2007, 12:00am PDT
Ensuring seamless mobility for users is becoming one of the main objectives of ongoing research activities in the field of data communications. In this paper, the authors provide a low latency...
Provided by Ionian University
-
Whitepapers
Towards an Effective Intrusion Response Engine Combined With Intrusion Detection in Ad Hoc Networks
June 15, 2007, 12:00am PDT
In this paper, the authors present an effective intrusion response engine combined with intrusion detection in ad hoc networks. The intrusion response engine is composed of a secure communication...
Provided by Ionian University
-
Whitepapers
Improving System Clock Precision With NTP Offline Skew Correction
June 15, 2007, 12:00am PDT
The precision of computer clocks in Personal Digital Assistant (PDA) class devices is typically quite low, they can easily drift more than 5 seconds per day. This is problematic when such devices...
Provided by Ionian University
-
Whitepapers
Optimizing End-to-End TDMA Scheduling in Ad-Hoc Networks on Random Topologies
June 15, 2007, 12:00am PDT
Despite its dominance as a MAC layer for adhoc communications, the CSMA/CA algorithm produces several deficiencies, like complex QoS capabilities, increased overhead, and the exposed terminal...
Provided by Ionian University
-
Whitepapers
Effect of Topology on the Performance of Mobile Heterogeneous Sensor Networks
June 15, 2007, 12:00am PDT
Network topology plays a significant role in the design and performance of sensor networks. The IEEE.802.15.4 standard is designed for Low-Rate Wireless Personal Area Networks (LR-WPAN) with most...
Provided by Ionian University
-
Whitepapers
Non Repudiation in M- Commerce Using Joint Signature Scheme
June 1, 2011, 12:00am PDT
Being the hottest issue of today's time there as a lot of work to be done on mobile commerce. In mobile commerce mobile is used to avail a lot of services. One of these services includes online...
Provided by Ionian University
-
White Papers
Updating Multidimensional XML Documents
October 26, 2007, 12:00am PDT
In Web applications it is often required to manipulate information of semi-structured nature, which may present variations according to different circumstances. Multidimensional XML (MXML) is an...
Provided by Ionian University
-
White Papers
Storing Multidimensional XML Documents in Relational Databases
July 15, 2007, 12:00am PDT
The problem of storing and querying XML data using relational databases has been considered a lot and many techniques have been developed. MXML is an extension of XML suitable for representing...
Provided by Ionian University
-
White Papers
A Space-Time Analytical Model for Energy Consumption in Wireless Sensor Networks
June 15, 2007, 12:00am PDT
Sensor network lifetime suffers from increased energy consumption especially for those nodes in close proximity to the sink node that undertake rather the role of forwarding other nodes' data...
Provided by Ionian University
-
White Papers
Traffic Estimation in Mobile TDMA-Based Ad Hoc Networks
June 15, 2007, 12:00am PDT
A traffic estimator is developed and thereafter used to do the slot assignment in a traffic adaptive TDMA scheme. The traffic estimation is made packet-by-packet and locally in the nodes. The...
Provided by Ionian University
-
White Papers
Evaluation of a Specification-Based Intrusion Detection System for AODV
June 15, 2007, 12:00am PDT
A mobile ad hoc network consists of wireless nodes that build a robust radio network without any preexisting infrastructure or centralized servers. However, these networks have inherent...
Provided by Ionian University
-
White Papers
Performance Analysis of Wireless Controller Area Networks With Priority Scheme
June 15, 2007, 12:00am PDT
For large-scale distributed systems, Data centric communication based on the publish/subscribe paradigm plays a key role on traffic volume control. More data filtering efficient and adaptive to...
Provided by Ionian University
-
White Papers
Effective Bandwidth Control Policies for QoS enabled Wireless Networks
June 15, 2007, 12:00am PDT
In this paper, an admission control policy is introduced, suitable for efficiently controlling traffic admissions under the Enhanced Distributed Channel Access (EDCA) method, which is employed as...
Provided by Ionian University
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