 | Madeline M. Henderson - 1967 - 316 lapas
...used in the study is the relevance ratio in combination with the recall ratio. Recall ratio equals the number of relevant documents retrieved to the total number of documents in the file; relevance ratio equals the number of relevant documents retrieved to the total number... | |
 | Stefano Spaccapietra, Ramesh Jain - 1995 - 468 lapas
...containing that index term. The effectiveness of a retrieval system is measured by two metrics: recall (the ratio of the number of relevant documents retrieved to the total number of relevant documents in the corpus) and precision (the ratio of the number of relevant documents retrieved... | |
 | Horst Bunke, Patrick Shen-pei Wang - 1997 - 868 lapas
...recall and precision, have endured since their introduction by Kent in 1955 [19]. Put simply, recall is the ratio of the number of relevant documents retrieved to the total number of relevant documents in the collection. Precision is the ratio of the number of relevant documents that... | |
 | David A. Grossman, Ophir Frieder - 1998 - 274 lapas
...Document Routing User 3 User 4 measure effectiveness, two ratios are used: precision and recall. Precision is the ratio of the number of relevant documents retrieved to the total number retrieved. Precision provides an indication of the quality of the answer set. However, this does not... | |
 | Information Resources Management Association. International Conference - 2000 - 1244 lapas
...any page that contains at least one search term has a positive effect on recall, which is defined as the ratio of the number of relevant documents retrieved to the total number of relevant documents in the collection. Precision, however, suffers. To maximize precision, terms with... | |
 | Michael W. Berry - 2001 - 206 lapas
...number of relevant documents retrieved to the total number of documents retrieved. Recall is defined as the ratio of the number of relevant documents retrieved to the total number of relevant documents in the collection. Vector space methods provide a relevance ranking of all documents... | |
 | David A. Grossman, Ophir Frieder - 2004 - 356 lapas
...desired, this would not be a good result set. Recall considers the total number of relevant documents; it is the ratio of the number of relevant documents retrieved to the total number of documents in the collection that are believed to be relevant. Computing the total number of relevant documents... | |
 | Munindar P. Singh - 2004 - 1144 lapas
...parameters of retrieval effectiveness used over the years in the IR area. Recall (R) is defined as the ratio of the number of relevant documents retrieved to the total number of relevant documents in the collection. The ratio of the number of relevant documents retrieved to the... | |
 | Antonie Jetter, Jeroen Kraaijenbrink, Hans-Horst Schröder, Fons Wijnhoven - 2005 - 220 lapas
...used for the evaluation of search strategies, could be calculated for both search strategies. Recall is the ratio of the number of relevant documents retrieved to the total number of relevant documents in the database, whereas precision is the ratio of the number of relevant documents... | |
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Precision is the ratio of the number of relevant documents retrieved to the total number of documents retrieved. 