In this second stage, we need to ask ourselves what types of documents may contain the information we need to find. To do this, we need to know which information sources may give us access to these documents and, therefore, the information we want to find.
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We should avoid making a list of the different information sources, defining them or classifying the information sources by type, as these classifications or definitions are of little help to the user when they are deep within a search process. However, we should once again stress that it is important before embarking unthinkingly on one of the so-called general search engines that users are aware that not all the information is visible through these types of search engines and that not only are these search engines useful in meeting our information needs, but they can also be useful when searching for sources where we can find the information that we need.
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A specific example of this might be when we want to find some data and we believe that a statistics source or that of an official body would be a more appropriate and reliable way of finding it. In this case, if we did not know which specific source could provide us with the information, we would need to use a search engine to find and access the source, not to expect to find the specific piece of data.
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