]> 2012-05-27T21:14:10-04:00 Gregory Todd Williams SPARQL BGP Optimization Presentation Xixi Luo 1 "4.3 Summary Features: the mumber of entries in the summary is a quadratic funtion of the number of distinct predicates f(n)=4n_2". why? Gregory Todd Williams SPARQL BGP Optimization Presentation Question for the Presentation Xixi Luo Question asked by Question asked Presentation Questions