SMART Information Retrieval System

Also known as: System for the Mechanical Analysis and Retrieval of Text(Show More)

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Last updated

July 22, 2026

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The SMART (System for the Mechanical Analysis and Retrieval of Text) system was a groundbreaking development in information retrieval, created by Gerard Salton and his teams at Harvard and Cornell universities in the 1960s. This system's key innovation was its focus on semantics—the meaning of words—rather than just syntax, a principle still fundamental to modern search engines. SMART pioneered techniques like classifying, indexing, counting, and evaluating individual words to improve search accuracy. This work laid the foundation for how computers find and organize information, influencing the development of search engines that help users navigate vast digital collections like the World Wide Web.1

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History
…and Retrieval of Text” (SMART). The breakthrough observation that made SMART a success was that programming an algorithm to search for English syntax was harder—and less useful—than programming it to simply search for semantics (that is, the words in the documents being searched are important, but not their lingual…
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…and Retrieval of Text” (SMART). The breakthrough observation that made SMART a success was that programming an algorithm to search for English syntax was harder—and less useful—than programming it to simply search for semantics (that is, the words in the documents being searched are important, but not their lingual…
Read More