The recent debut of LexisNexis Taxonomy puts the business content giant toe to toe with Factiva in the arena for extending the organization of vendor content into enterprise portals. It's a great play and will certainly provide LexisNexis with some important traction in the portal wars, but it's not going to stop clients in their tracks. Taxonomies used to organize content from a client's files alongside vendor content can easily organize other content - including content from competitors' services. It's nice to get close to your clients hooked to you via taxonomies, but don't count on them keeping your database pricing warm and snug forever.

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