This volume constitutes the refereed proceedings of the 4th International Conference on Information Systems, Technology and Management, ICISTM 2010, held in Bangkok, Thailand, in March 2010. The 28 revised full papers presented together with 3 keynote lectures, 9 short papers, and 2 tutorial papers were carefully reviewed and selected from 86 submissions. The papers are organized in topical sections on information systems, information technology, information management, and applications.

This volume constitutes the refereed proceedings of the 4th International Conference on Information Systems, Technology and Management, ICISTM 2010, held in Bangkok, Thailand, in March 2010.The 28 revised full papers presented together with 3 keynote lectures, 9 short papers, and 2 tutorial papers were carefully reviewed and selected from 86 submissions. The papers are organized in topical sections on information systems, information technology, information management, and applications.

Keynote Talks.- Service Discovery Protocols for VANET Based Emergency Preparedness Class of Applications: A Necessity Public Safety and Security.- High-End Analytics and Data Mining for Sustainable Competitive Advantage.- Resource Allocation for Energy Efficient Large-Scale Distributed Systems.- Information Systems.- Social Cognitive Theory in IS Research – Literature Review, Criticism, and Research Agenda.- Knowledge Intensive Business Processes: A Process-Technology Fit Perspective.- A Web Service Similarity Refinement Framework Using Automata Comparison.- A System for Analyzing Advance Bot Behavior.- Two Approaches to Handling Proactivity in Pervasive Systems.- A Spatio-Temporal Role-Based Access Control Model for Wireless LAN Security Policy Management.- Proposing Candidate Views for Materialization.- A Fuzzy Reasoning Framework for Resolving Spatial Queries through Service Driven Integration of Heterogeneous Geospatial Information.- Information Technology.- Dynamic Web Service Composition Based on Operation Flow Semantics.- Distributed Scheduling of a Network of Adjustable Range Sensors for Coverage Problems.- Verifiable (t, n) Threshold Secret Sharing Scheme Using ECC Based Signcryption.- Model-Based Software Reliability Prediction.- Real-Time Power-Aware Routing Protocol for Wireless Sensor Network.- Document Clustering with Semantic Features and Fuzzy Association.- Supporting Video Streaming over WiMAX Networks by Enhanced FMIPv6-Based Handover.- Information Management.- Two Risk-Aware Resource Brokering Strategies in Grid Computing: Broker-Driven vs. User-Driven Methods.- A Socio-Technical Perspective on Computer Mediated Communication: Comparison of Government and Non Government Sectors in India.- Can You Judge a Man by His Friends? - Enhancing Spammer Detection on the Twitter Microblogging Platform Using Friends and Followers.- Encouraging Cooperation in Ad-Hoc Mobile-Phone Mesh Networks for Rural Connectivity.- Fuzzontology: Resolving Information Mining Ambiguity in Economic Intelligent Process.- Personalizing Web Recommendations Using Web Usage Mining and Web Semantics with Time Attribute.- Towards Analyzing Data Security Risks in Cloud Computing Environments.- Time-Sequential Emotion Diagnosis Based on the Eye Movement of the User in Support of Web-Based e-Learning.- Critical Success Factors in Managing Virtual Teams.- Applications.- 3D Reconstruction and Camera Pose from Video Sequence Using Multi-dimensional Descent.- Adapting Content Presentation for Mobile Web Browsing.- Application of Decision Tree Technique to Analyze Construction Project Data.- Effects of Initial Search Bound on the Performance of Self-adaptive Evolutionary Computation Methods.- Short Papers.- A Computational Study of Margining Portfolios of Options by Two Approaches.- Improved Substitution-Diffusion Based Image Cipher Using Chaotic Standard Map.- Linear Multivariable System Reduction Using Particle Swarm Optimization and A Comparative Study Using Relative Integral Square Error.- An Anomaly Based Approach for Intrusion Detection by Authorized Users in Database Systems.- Towards a Knowledge Management Portal for a Local Community.- Fusion of Speech and Face by Enhanced Modular Neural Network.- Mining Rare Events Data by Sampling and Boosting: A Case Study.- Model-Based Regression Test Case Prioritization.- Software Process Improvement through Experience Management: An Empirical Analysis of Critical Success Factors.- Tutorial Papers.- A Comparative Feature Selection Approach for the Prediction of Healthcare Coverage.- A Grid-Based Scalable Classifier for High Dimensional Datasets.