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Tracks the flow of documents for action in respective Regions with use of database for effective monitoring to meet deadlines . The investigation makes use of databases of literary texts , such as the ARTFL database ( 3000 literary texts available on line ) , but is not satisfied with a simple statistical tabulation . When used with database query elements , there is a potential need to be able to bind properties to collections , to have ways to query them ( such as finding out their cardinality ) and to perform operations on them ( such as union , intersection , duplicate removal ) . Along with all sciences , it makes use of databases and statistical techniques , many of these now being linked with I.T . A postal locator service might use that database of named things for postal matching , and an art history locator , or a meets and bounds , or a " 40 miles west of Cologne " style locator could also use that same database of named things , and that I guess is the gazetteer as thesaurus kind of notion . Woodhead points out the is a different targeting of the software products used for databases and text , especially hypertext .