Theoretical Computer ScienceThis book constitutes the refereed proceedings of the 8th FIP WG 2. 2 International Conference, TCS 2014, held in Rome, Italy, in September 2014. The 26 revised full papers presented, together with two invited talks, were carefully reviewed and selected from 73 submissions. [Suggestion please check and add more if needed] TCS 2014 consisted of two tracks, with separate program committees, which dealt respectively with: Track A: Algorithms, Complexity