1. Guest Editors: Special Issue in Advances in e-Technology and e-Services

   • Soe-Tsyr Yuan
   • Jiming Liu

   Foreword Pages: 335 - 336

2. Propagation Models for Trust and Distrust in Social Networks

   • Cai-Nicolas Ziegler
   • Georg Lausen

   OriginalPaper Pages: 337 - 358

3. Improving Customer Retention in E-Commerce through a Secure and Privacy-Enhanced Loyalty System

   • Matthias Enzmann
   • Markus Schneider

   OriginalPaper Pages: 359 - 370

4. e-coupons: An Efficient, Secure and Delegable Micro-Payment System

   • Vishwas Patil
   • R. K. Shyamasundar

   OriginalPaper Pages: 371 - 389

5. Combining Cooperative and Non-Cooperative Automated Negotiations

   • Jen-Hsiang Chen
   • Kuo-Ming Chao
   • Von-Wun Soo

   OriginalPaper Pages: 391 - 404

6. The Layer-Seeds Term Clustering Method: Enabling Proactive Situation-Aware Product Recommendations in E-Commerce Dialogues

   • Libo Chen
   • Marcello L'Abbate
   • Erich J. Neuhold

   OriginalPaper Pages: 405 - 419

7. e-CLV: A Modeling Approach for Customer Lifetime Evaluation in e-Commerce Domains, with an Application and Case Study for Online Auction

   • Opher Etzion
   • Amit Fisher
   • Segev Wasserkrug

   OriginalPaper Pages: 421 - 434

8. Efficient Processing of Continual Range Queries for Location-Aware Mobile Services

   • Kun-Lung Wu
   • Shyh-Kwei Chen
   • Philip S. Yu

   OriginalPaper Pages: 435 - 448