Articles under category:
Label Cover
 Vol 11, Article 7 (pp 221-235) [APRX-RND12 Spec Issue] The Projection Games Conjecture and the NP-Hardness of ln $n$-Approximating Set-Cover
 Vol 9, Article 28 (pp 863-887) [Boolean Spec Issue] A Two-Prover One-Round Game with Strong Soundness by Subhash Khot and Muli Safra
 Vol 9, Article 23 (pp 703-757) [APRX-RND12 Spec Issue] Circumventing $d$-to-$1$ for Approximation Resistance of Satisfiable Predicates Strictly Containing Parity of Width at Least Four