We used Tika for extracting data from various complex Office documents and converting them to Linked Data in the Proggis project: http://bergie.iki.fi/blog/busi

We used Tika for extracting data from various complex Office documents and converting them to Linked Data in the Proggis project: http://bergie.iki.fi/blog/business_analytics_with_couchdb_and_noflo/ http://bergie.iki.fi/blog/business_analytics_with_couchdb_an... In addition to content extraction, Tika seems able to do some interesting things like figuring out the language of the document contents.