PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Drugmakers including Bristol-Myers Squibb Co., Pfizer Inc. (PFE) and Eli Lilly & Co. (LLY) have spent billions of dollars on ineffective therapies in a so-far fruitless effort to come up with an effective treatment for dementia and Alzheimer???s.
http://www.w3.org/ns/prov#wasQuotedFrom
  • biospace.com