Freebase Gridworks

Freebase Gridworks Preview introduces a data cleansing tool, especially useful for CSVs. It provides literal value cleansing, faceting, scripting of cleansing, analysis of value spaces, etc.

As an example Freebase Gridworks could be used to load a dirty CSV file into Virtuoso, and OWL, SPARQL, Function/Magic Predicates leveraged en route to handle:

  1. Semantic Disparity
  2. Structural Disparity
  3. Entity Co-References