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Full Text Search: How it Works

What is full text search?

Full text search is a technique, which allows conducting search through documents and databases not only by a title, but also by content. Unlike metadata search methods, which analyze only the description of the document, full text search goes through all the words in the document, showing information that is more relevant or the exact information that was requested.
The technique gained its popularity in 1990’s. At that time the process of scanning was very long and time-consuming, so it was optimized.
Full text search engines are used widely. For example, Google allows users to find the neeeded query on web pages particularly with the help of this technique. If you have your own website with a lot of data, applying full text search might be very useful because it eases interaction for a user.
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Search functionality design practices. Part 2

Implementation of the search functionality is a challenge for a software developer. Search-related requirements influence significantly on the final architecture of the system. In the first part we studied different filters and some practices of their implementation. In this part I will tell about the full text search.

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