1. INTRODUCTION  
1.1 Privacy-Preserving Data Publishing  
1.2 Contributions and Paper Organization  
2. PRIVACY PRESERVING WEB QUERY LOG DATA PUBLISHING  
2.1 Privacy Attacks on Published Query Logs  
2.2 Challenges in Anonymizing Query Logs  
3. WEB QUERY LOG ANONYMIZATION TECHNIQUES  
3.1 Non-Transactional Anonymity Models  
3.2 Transactional Anonymity Models  
4. SUMMARY AND DISCUSSION  
4.1 Privacy Preservation  
4.2 Utility Preservation  
5. CONCLUSION