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TextRunner Search

TextRunner searches hundreds of millions of assertions extracted from over 100 million Web pages on the topics of nutrition, history of science, and general knowledge, and sorts the results by probability.

Our IJCAI '07 paper on TextRunner is here: Open Information Extraction from the Web

Example queries:
  "What did Thomas Edison invent?"
  "What kills bacteria?"
  "Johannes Kepler"

Search query:
  

-OR-

Search individual fields:
  Argument 1
  
  Predicate
  
  Argument 2
  

questions/comments/bugs

Show advanced search options

Set search parameters:
Select topics:
   Nutrition (18 million Web pages)
   History of Science (9 million Web pages)
   General (90 million Web pages)

Select synonym processing:
   Expand query to include synonyms
   Merge synonymous results

Beta