1 Relevance Ranking. 2 Introduction In relational algebra, the response to a query is always an unordered set of qualifying tuples. Keyword queries are.
Information Retrieval Lecture 7. Recap of the last lecture Vector space scoring Efficiency considerations Nearest neighbors and approximations.
Relevance Ranking
Web search engines Paolo Ferragina Dipartimento di Informatica Università di Pisa.
Chapter 10 Evaluation
Quality of a search engine
CS276A Information Retrieval
Evaluating IR systems/search engines. Measures for a search engine How fast does it index –Number of documents/hour –(Average document size) How fast.
Quality of a search engine Paolo Ferragina Dipartimento di Informatica Università di Pisa Reading 8.
Evaluation of (Search) Results How do we know if our results are any good? Evaluating a search engine Benchmarks Precision and recall Results summaries:
Web search engines
Content
