The Application Tool Set makes it easy to identify the various sources from which to gather data. For news articles it might be as simple as identifying a single directory tree, and the meta-data within the articles which is to be stored or indexed in addition to the content. For a city guide it could be as simple as identifying the path to a formatted data dump that will contain the information, and identifying the fields which are to be stored or indexed. Simply repeat the procedure for each new data source. Merging of the data from the various sources will happen automatically.