The document discusses using Freebase knowledge base to disambiguate social network entities. It describes how different pages may refer to the same real world entity, categories assigned to pages may be incorrect, and titles of pages may be misspelled or in different languages. It then explains how the author matched Facebook page likes to Freebase entities for books and movies to clean the data, with the highest match rates after cleaning. Limitations of the approach are provided along with next steps to improve the method.