1. A method of searching databases comprising: searching a computerized network of databases containing documents using a web crawler, wherein said web crawler is provided with conceptual guidelines before said searching, and said searching produces search results; summarizing said search results to produce summaries; performing text clustering on said summaries to produce classifications, wherein said text clustering is performed using seeds based on said conceptual guidelines; and providing, through a user interface, said classifications and a query entry to search said classifications.