CSCE 470 Lecture 1

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Search is the GOAT (Greatest Of All Time)

20 Billion searches every month!

Information Retrieval (IR)

Finding material (usually documents) of an unstructured nature (usually text) that satisfies an information need from within large collections (usually stored on a computer).

• Google
• Twitter
• Facebook
• Reddit
• Monster
• Ebay
• Spotlight
• Mail Search
• Mobile devices
• eChemicals (model-based search)

Searching

1. Information Need
2. Pose as Query
3. Send to system
4. Receive Results
5. Evaluate Results
6. Reformulate and Repeat until done

Recommendations

Collection of stuff: find similar stuff intuitively

Question Answering

IBM's Watson