Introduction to Information Retrieval

• What is information retrieval (IR)?
  • Techniques for returning information stored in a repository of documents
  • Documents are often text, but need not be!
  • Retrieval is typically accomplished through user queries
• Some examples
  • Contrasts with database querying
  • What's easy and what's difficult
• IR techniques and strategies
  • Structure and processing of queries
  • Processing of documents and presentation of results
  • Measuring performance

(2)

(return to syllabus)