Content Analytics architecture
1. Crawlers: extract content from the various enterprise data sources at intervals configured by the administrator.
2. Document processors: Process crawled documents in preparation for indexing.
3. Indexer: Builds a document index for high-speed text mining and analysis.
4. Search run time: Services user search and analytic requests.
5. Content analytics miner: Used to perform text analysis.
6. Administration console: Used to configure and administer Content Analytics.
Watson Explorer Analytical Components 2
原文：http://www.cnblogs.com/andypengyong/p/7144873.html