Indexed vs. Unindexed Searching
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Overview: Both indexed and unindexed searching have their place in the enterprise. Indexed text retrieval is typically more efficient for uses such as general information retrieval, distributed searching, and security classification systems. But unindexed searching, too, has its place—in outgoing e-mail filtering, searching of live data sources such as RSS news feeds, and sometimes in forensics. This article will attempt to explain which search technique to use when, and why.