Taxonomy Software to the Rescue:
“Frappino observes, “While not usually thought of as a ‘search’ tool, categorization practice and technology is the foundation for an effective information retrieval experience in a data-rich environment, [the] basis for transforming searching into finding because it helps users navigate within collections of documents that are related through hierarchical categories to the specific destination they seek. Once located, users must understand how the information is differentiated and contextualized — they must find what they need.””