Major Themes

• How to find everything
• User needs

Fundamenal Issues

• Query formulation
• System model
• Feature assignment
• Boolean retrieval
• Ranked retrieval
• Vector space method
• Probabilistic retrieval
• Social filtering
• Evaluation

Detailed Techniques

• Free text retrieval
• User Interface
• Relevance feedback
• Indexing for retrospective retrieval
• Profile learning
• Color histograms
• Video segmentation