A new generation of search and retrieval tools have improved the way text documents can be found in computers.
Some software can even look for images.
Full text search and retrieval engines. For users of imaging applications involving complex documents, indexing has always been a problem. Someone with knowledge about the document's subject matter had to analyze the scanned images and come up with a series of keyword identifiers. Despite the time and resources spent on indexing, users had no way of knowing whether they would always find everything they were looking for. To both automate the laborious process of indexing and increase the accuracy of searches, imaging users have turned to full-text search and retrieval technology.