1. Overview
  2. Frontmatter
  3. Introduction
  4. Challenges for Query Optimization on Semi-structured Streams
  5. Related Work
  6. Concise Representation of XML Query Plans
  7. Minimum Common Super-Plan Problem
  8. Heuristics for the Stable Minimum Common Super-Plan Problem
  9. Use-Case: SPEX
  10. Cost Estimation in a Streamed Environment
  11. Experimental Evaluation
  12. Implementation
  13. Conclusion and Future Work
  14. Bibliography