| 11. | Precision and recall have been two of the traditional performance measures for evaluating information retrieval systems.
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| 12. | In short, information retrieval systems are expected to operate in the way that good libraries do.
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| 13. | Automated information retrieval systems are used to reduce what has been called " information overload ".
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| 14. | In 1985, the library system begins using a computerized cataloging system and a computer-assisted information retrieval system.
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| 15. | A "'search engine "'is an information retrieval system designed to help find information stored on a computer system.
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| 16. | In fact, when used within information retrieval systems, stemming improves query precision, or true negative rate, for such systems.
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| 17. | Based on the author, information retrieval systems are system that helps people to find information from a large database.
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| 18. | But Everett Brenner, an expert in information retrieval systems, is not convinced that such a system is the best answer.
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| 19. | Taxonomic sequences are essentially heuristic devices that help in arrangements of linear systems such as books and information retrieval systems.
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| 20. | In 1997, he created HZ . COM, an electronic mail information retrieval system for two-way pagers and early cellular phones.
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