* Relevance Ranking * Introduction In relational algebra, the response to a query is always an unordered set of qualifying tuples. Keyword queries are not precise Rate each…

Information Retrieval Lecture 7 Recap of the last lecture Vector space scoring Efficiency considerations Nearest neighbors and approximations This lecture Evaluating a search…

* Relevance Ranking * Introduction In relational algebra, the response to a query is always an unordered set of qualifying tuples. Keyword queries are not precise Rate each…

Title Chapter 10 Evaluation 1 This lecture How do we know if our results are any good? Evaluating a search engine Benchmarks Precision and recall Results summaries: Making…

CS276A Information Retrieval Lecture 8 Recap of the last lecture Vector space scoring Efficiency considerations Nearest neighbors and approximations This lecture Results…

Evaluating IR systems/search engines Measures for a search engine How fast does it index Number of documents/hour (Average document size) How fast does it search Latency…

Evaluation of (Search) Results How do we know if our results are any good? Evaluating a search engine Benchmarks Precision and recall Results summaries: Making our good results…

Introduction to Information Retrieval (Manning, Raghavan, Schutze) Chapter 8 Evaluation and Result Summaries Content Results summaries: Making our good results usable to…

Recuperação de Informação B Information Retrieval CSE 8337 (Part IV) Spring 2011 Some Material for these slides obtained from: Modern Information Retrieval by Ricardo…

Recuperação de Informação B Information Retrieval CSE 8337 (Part D) Spring 2009 Some Material for these slides obtained from: Modern Information Retrieval by Ricardo…