This dataset contains tables from the WDC Web Table Corpus 2015 that can be described as entity and relational. An entity table usually describes exactly one entity with several attributes while the name of the entity itself is not contained in the table but can be concluded by considering context. Off all 233 milliom extracted tables, 139,687,207 tables are of type entity.  In relational tables, a set of similar entities is described with one or more attributes.