Performance and Correctness Measures
Many different measures for evaluating the performance of information retrieval systems have been proposed. The measures require a collection of documents and a query. All common measures described here assume a ground truth notion of relevancy: every document is known to be either relevant or non-relevant to a particular query. In practice queries may be ill-posed and there may be different shades of relevancy.
Read more about this topic: Information Retrieval
Famous quotes containing the words performance, correctness and/or measures:
“Just as the performance of the vilest and most wicked deeds requires spirit and talent, so even the greatest demand a certain insensitivity which under other circumstances we would call stupidity.”
—G.C. (Georg Christoph)
“The surest guide to the correctness of the path that women take is joy in the struggle. Revolution is the festival of the oppressed.”
—Germaine Greer (b. 1939)
“It seems that American patriotism measures itself against an outcast group. The right Americans are the right Americans because they’re not like the wrong Americans, who are not really Americans.”
—Eric J. Hobsbawm (b. 1917)