Reviews: A Sparse Interactive Model for Matrix Completion with Side Information

Minor comments - P1L24 M_ij 1 - P1L19: classically, - P2L54: determinEs - P3L111: what is G _2? Is it different from the Frobenius norm? - P3L138: the second line of the equation is wrong, since the matrix M does not appear in the rhs - P4L145: with high probability (without a) - P5L198: we propose an adaptive (check your spelling) - P5L200: I do not understand what do you mean by guarantee the performance.