Endeca Technologies (www.endeca.com) is best known for Guided Navigation, a faceted view for discovering content at a website. This article describes improvements that make possible "new data-driven approach with metarelational indexing that lets users navigate complex relationships between different types of information from different sources".
From the article - "Here’s a simplified description of how Endeca’s architecture works. Each document or record is a set of facets. Some facets are explicit, such as database fields or file metadata. In addition, the text itself can be transformed into explicit facets through entity and term extraction, classification, and other techniques. Finally, what the document is “about” from the user’s perspective is implicit, so Endeca keeps a full-text index of the document as another facet. Working with facets allows Endeca to adapt to disparate information types, to make connections and correlations, and to show the content interrelationships to users."
Article includes screenshots and links to a demo.
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