7. A computer usable storage medium having stored thereon a computer readable program for indexing presentation files in a database comprising a plurality of presentation files stored on the computer usable storage medium, each of the presentation files comprising a plurality of slides forming a presentation, each of the slides comprising words, wherein the computer readable program when executed on a computer comprising: selecting a slide in the presentation file; selecting at least one word present in the selected slide; counting a number of times the at least one word occurs in the selected slide; storing an identifier for the selected slide in a database of identifiers, the stored identifier having a link to the slide in the presentation file, the stored identifier comprising the at least one word and the number of times the at least one word occurs in the selected slide; and generating a query slide on which a search of the presentation files in the database is to be based, the computer program product comprising: selecting at least one word present in the query slide; counting a number of times the at least one word occurs in the query slide; creating an identifier for the query slide, the identifier comprising the at least one word and the number of times the at least one word occurs in the query slide; searching the database of identifiers for a slide having a stored identifier close to the identifier for the query slide; and returning at least one slide having a stored identifier close to the identifier for the query slide from the presentation file stored in the database of presentation files.
7. A computer usable storage medium having stored thereon a computer readable program for indexing presentation files in a database comprising a plurality of presentation files stored on the computer usable storage medium, each of the presentation files comprising a plurality of slides forming a presentation, each of the slides comprising words, wherein the computer readable program when executed on a computer comprising: selecting a slide in the presentation file; selecting at least one word present in the selected slide; counting a number of times the at least one word occurs in the selected slide; storing an identifier for the selected slide in a database of identifiers, the stored identifier having a link to the slide in the presentation file, the stored identifier comprising the at least one word and the number of times the at least one word occurs in the selected slide; and generating a query slide on which a search of the presentation files in the database is to be based, the computer program product comprising: selecting at least one word present in the query slide; counting a number of times the at least one word occurs in the query slide; creating an identifier for the query slide, the identifier comprising the at least one word and the number of times the at least one word occurs in the query slide; searching the database of identifiers for a slide having a stored identifier close to the identifier for the query slide; and returning at least one slide having a stored identifier close to the identifier for the query slide from the presentation file stored in the database of presentation files. 8. The computer usable storage medium of claim 7 wherein the stored identifier comprises a plurality of words and the number of times each of the plurality of words occurs in the selected slide.