e-Business and Telecommunications

Name: e-Business and Telecommunications | 7th International Joint Conference, ICETE, Athens, Greece, July 26-28, 2010, Revised Selected Papers
Brand: Springer
Price: 53.49 EUR
Availability: OnlineOnly

7th International Joint Conference, ICETE, Athens, Greece, July 26-28, 2010, Revised Selected Papers

Mohammad S. Obaidat George A. Tsihrintzis Joaquim Filipe(Herausgeber*in)

Springer (Verlag)

Erschienen am 21. Februar 2012

XVI, 448 Seiten

E-Book

PDF mit Wasserzeichen-DRM

Systemvoraussetzungen

978-3-642-25206-8 (ISBN)

53,49 €inkl. 7% MwSt.

Systemvoraussetzungen

für PDF mit Wasserzeichen-DRM

E-Book Einzellizenz

Als Download verfügbar

Beschreibung

Weitere Details

Weitere Ausgaben

Inhalt

Title
Preface
Organization
Table of Contents
Invited Paper
e-Business Challenges and Directions: Important Themes from the First ICE-B Workshop
Workshop Overview and Important Challenges
Workshop Objectives and Methodology
e-Business Applications Challenges
Enterprise Engineering Challenges
Mobility Challenges
Collaboration and e-Services Challenges
Technology Platforms Challenges
e-Business Applications Directions
Eliciting Context-Based Usage and Operational Requirements
Positive Changes to the System Development Life Cycle (SDLC)
Widening Scope of e-Business Applications
"How Much Technology" Is a User Decision
Enterprise Engineering Directions
Coping with Societal, Business and Technology Change
Addressing Stakeholder Values
Migration from Physical to Digital to Virtual
Mobility Directions
Mobility and m-Services
Context Awareness of m-Services
m-Services and Social Networks
m-Service Security Gaps
Collaboration and e-Services Directions
Evolving Ubiquity and Ability of Intelligent User Interfaces
Multimedia Social Networks Are Better Understood and Utilized
Virtual Worlds for Consumer-Related Populations, Expertise and Things
Semantic Web Drives Standards for Smarter/Faster e-Commerce
Technology Platform Directions
Service-Oriented Computing
Autonomic Computing
Context-Aware Computing
Cloud Computing
Summary and Conclusions
References
Part I: Data Communication Networking
Static Analysis of Routing and Firewall Policy Configurations
Introduction
Our Contribution
Structure of the Paper
State of the Art
Backgrounds
Terminology
Abstract Network Model
Forwarding State
Routing Approximation
Routing Protocols
Calculation of Routing Approximation
Representation of Packet Filters
List-Based Packet Filters
Logical Representations of Rule Sets
Analysis of Security Policies
Reachability Sets
Summary
References
Threshold Based Multipath Routing Algorithm in Mobile Adhoc and Sensor Networks
Introduction
Requirements of k-x-Connectivity
Description of the Proposed Routing Algorithm
SeMuRAMAS Phases
SeMuRAMAS Route Discovery
Reconstruction of Routes by the Source
Route Maintenance
Example Applying k-x-Connectivity
Security of SeMuRAMAS
Validation of SeMuRAMAS
Simulation Results
Memory Overhead Estimation
Communication Overhead Estimation
Conclusions
References
The Price of Security: A Detailed Comparison of the TLS Handshake Performance on Embedded Devices When Using Elliptic Curve Cryptography and RSA
Introduction
Elliptic Curve Cryptography
Transport Layer Security Protocol
Asymmetric Primitives in the TLS Handshake
Signature Primitives
Key Establishment Primitives
Implementation and Results
Conclusions
References
Mobile Applications Middleware for File Swapping
Introduction
Related Work
Service Architecture
Client-Side Application Layer (API_ESS)
Core Connection Layer
Server-Side Application Layer (API_ISS)
Use Case
Final Comments
References
Part II: e-Business
Optimization of a Handwriting Recognition Algorithm for a Mobile Enterprise Health Information System on the Basis of Real-Life Usability Research
Introduction and Motivation for Research
Theoretical Background and Related Work
Related Work
Methods and Materials
Experimental Device
Dialog Design
Handwriting Recognition
Experiment
Results
Accuracy
Speed
User Questionnaire
Timeout
Discussion and Lessons Learned
Conclusion and Future Outlook
References
A Social Location-Based Emergency Service to Eliminate the Bystander Effect
Introduction
The Unhelpful Crowd: Five Steps to Helping in an Emergency
A Social Emergency Alert Service
Implementation Variants
Emergency Alerting
Geo-Position Service
Acquiring Social Network Data and Identifying Possible Helpers
System Design
Centralized Architecture
Privacy-Aware Architecture
Discussion of Design Variants
Identifying Social Groups by Clustering Social Networks
Walk Context Clustering
Assessment of Benefits
Ability to Transmit Request for Help
Chance for Nearby Help
Chance to Actually Receive Help
Conclusions
References
Part III: Optical Communication Systems
Converged Optical Networks for Multimedia Distribution and Data Services in Hospitality Environments
Introduction
Previous Works
Future Video Bandwidth Requirements
Converged Optical Cabling
Hospitality Data Traffic
Conclusions
References
Part IV Security and Cryptography
Differential Resynchronization Attacks on Reduced Round SNOW 3G
Introduction
Description of SNOW 3G and SNOW 3G
Known IV Attack on SNOW 3G without FSM to LFSR Feedback
Differential Chosen IV Attacks on Reduced-Round SNOW 3G
Reduced Initialization of 12 Rounds
Reduced Initialization of 13 Rounds
Reduced Initialization of 14 Rounds
Reduced Initialization of 15 Rounds and 16 Rounds
Conclusions
References
Modelling Uncertain and Time-Dependent Security Labels in MLS Systems
Introduction
Time and Sensitivity
Uncertain Security Levels
Overview
Modelling Uncertainty
Mapping into Suitable Beta Distributions
Modelling Time Variation
Putting the Two Together
Integrating Uncertain and Time-Varying Sensitivities with Risk-Based Access Control
Review of Fuzzy MLS
Integrating with Distributions
Extending Uncertainty to Contextual Information
Related Work
Conclusions and Future Work
References
Sum Aggregation in Sensor Networks While Preserving Confidentiality and Integrity
Introduction
Related Work
Problem Definition
Sum Aggregation Using Splitting Schemes
Formalizing Splitting Schemes
Integrity Goal
Privacy Goal
A Construction
Experiments
Resiliency against the Single Share Compromise
Resiliency against the Collusion Attack
Summary and Future Work
References
Stream Cipher-Based Hash Function and Its Security
Introduction
Preliminaries
Definitions
Security Definitions for Hash Functions
Related Work
Construction of SCHs
Components of SCH
Hash Value Generation
Attacks against SCH
Relation to the Attack against a Stream Cipher
Collision Attacks
Second Preimage Attacks
Preimage Attacks
Length-Extension Attacks
Constructing a Secure SCH
Collision Resistance
Second Preimage Resistance
Preimage Resistance
Length-Extension Security
Discussion
Conclusions
References
Flexible Anonymous Subscription Schemes
Introduction
Our Contribution
Road Map
Related Work
Subscription Schemes
Involved Entities
Scheme Syntax
Security Model
A Basic Scheme
Security Analysis
Efficient Instances
Extended Features
Multiple Accesses per Token
Removing Trust on SP
Application to e-Polling Schemes
References
Proxiable Designated Verifier Signature
Introduction
Background
A Motivating Problem
Contribution
Related Works
Preliminaries
Definitions of Proxiable DVS
The Models of PDVS Scheme
Definitions of Security Properties of PDVS
Our Proposed PDVS Scheme
Naive PDVS Scheme
Proposed PDVS Scheme
Comparison
Security Proofs
Conclusions
References
Adaptive and Composable Non-interactive String-Commitment Protocols
Introduction
The State-of-the-Art
This Work
Preliminaries
Non-interactive String-Commitment Schemes
xKeys and eKeys
The Damgård-Fazio-Nicolosi's Non-interactive Zero-Knowledge Protocol
The Description
The Proof of Security
Conclusions
References
Dynamic Adaptation of Security and QoS in Energy-Harvesting Sensors Nodes
Introduction
Related Work
Security and QoS Management
Parameters
Optimization Process
Experimental Results
Case Study
Simulations
Security and Performances Analysis
Security Analysis
Analytical Analysis of Energy Consumption
Conclusions and Future Work
References
Threshold Discernible Ring Signatures
Introduction
Preliminaries
SKDL Proof of Knowledge
SEQDL Proof of Knowledge
Step Out Ring Signatures
Modified SRS Scheme
Cryptanalysis of 1
Analysis
Threshold Discernible Ring Signatures
Preliminaries
Scheme Description
Signing Algorithm
Verification Algorithm
Threshold Distinguisher Algorithm
Security
Extensions
Conclusions and Open Problems
References
Universally Composable Non-committing Encryptions in the Presence of Adaptive Adversaries
Introduction
This Work
Non-committing Encryptions: Functionality and Security Definition
Non-committing Encryption
Description of Non-committing Encryption Scheme
The Proof of Security
Conclusions
References
Selectively Traceable Anonymous and Unlinkable Token-Based Transactions
Introduction
Contribution
Intuition behind Our Construction
Related Work
Postactive Anonymous Authentication
Deterministic from Probabilistic Public-Key Encryption
Anonymous Authentication from Public-Key Encryption
Postactive Anonymity
Our Approach
Blind Signatures
Anonymous Unlinkable One-Show Tokens
A Combined Approach
Fine-Grained Validity Periods
Selective Traceability
Enforcing Traceability
Cloning Protection
Security Analysis
Adversary and Threat Model
Anonymous Authentication
Security of Our Construction
More Fine-Grained Authorization
References
An Encryption Scheme for a Secure Policy Updating
Introduction
Related Work
Organization
Background - Bilinear Groups
Ciphertext-policy Attribute-Based Proxy Re-Encryption (CP-ABPRE)
Construction of CP-ABPRE Scheme
The Scheme
Efficiency
Conclusions and Future Work
References
Machine Learning for the Detection of Spam in Twitter Networks
Introduction
Related Work
Social Graph Model
Features
Graph-Based Features
Content-Based Features
Data Set
Twitter API
Web Crawler
Spam Detection
Experiments
Data Analysis
Evaluation
Conclusions
References
Part V: Signal Processing and Multimedia Applications
Deformable Multi-object Tracking Using Full Pixel Matching of Image
Introduction
Related Work
System Overview
2DCDP Algorithm
Connecting Corresponding Points
Filtering Trajectories for Clustering
Trajectory Clustering
Merging Clusters
Experiments
Experiment Specification
Results
Comparison with KLT Tracker and SIFT Tracker
Discussion
Conclusions
Future Work
References
A Multi-sensor System for Monitoring the Performance of Elite Swimmers
Introduction
Related Work
Methodology
Results
Conclusions and Future Work
References
Maximum a Posteriori Decoding of Arithmetic Codes in Joint Source-Channel Coding
Introduction
Error Correction of Arithmetic Codes
Error Detection
MAP Decoding
Hard-Decision and Soft-Decision Decoding
Stack Algorithm
Improved Error Control
Placing the Forbidden Gap
Looking Ahead during Decoding
Updating the Prior Probability Continuously
Results
MAP Decoding
Conclusions
References
An Ensemble Approach to Improve Microaneurysm Candidate Extraction
Introduction
Microaneurysm Candidate Extraction
Walter et al.
Spencer-Frame
Circular Hough-Transformation Based
Lazar et al.
Diversity of the Candidate Extractors
An Optimal Voting Scheme for Combining the Candidate Extractors
Preprocessing the Candidates
Selecting an Optimal Voting Configuration Using Simulated Annealing
Voting on the Candidates
Properties of the Optimal Voting Scheme
Candidate Classification
Results
Conclusions
References
Part VI: Wireless Information Networks and Systems
Modulation-Mode Assignment for SVD-Aided and BICM-Assisted Downlink Multiuser MIMO Transmission Schemes
Introduction
Multiuser System Model
Quality Criteria
Channel-Encoded MIMO System
Results
Single-User System
Multiuser System
Conclusions
References
Evaluation of the Performance of Polarization Diversity Estimated from Measurements at One Polarization
Introduction
Measurements
Measurement Setup
Indoor Environments
Measurement Procedure
Depolarization
Depolarization Phenomenon
Depolarization Indexes
Processing
Effect of the Multipath in the Total Received Power
Computation of Cross Polar Received Power
Depolarization Phenomenon
Results Analysis
Conclusions
References
Using the OTS/CafeOBJ Method to Formally Specify and Verify the Open Mobile Alliance License Choice Algorithm
Introduction
The OTS/CafeOBJ Method
Observational Transition Systems
OTSs in CafeOBJ
The OMA License Choice Algorithm
Basic Data Types
OTS Model and Its Specification
Verification of the OMA Choice Algorithm
Conclusions and Future Work
References
Extended Field Performance Evaluation of a Gbps FSO Link
Introduction
Experimental Details
Results and Discussion
Conclusions
References
Author Index

Systemvoraussetzungen

Als PDF speichern Als Link merken