Introduction to the 34-th international conference on logic programming special issue

This special issue of Theory and Practice of Logic Programming (TPLP) contains the regular papers accepted for presentation at the 34-th International Conference on Logic Programming (ICLP 2018), held in Oxford, United Kingdom, from July 14th to July 17th, 2018. ICLP 2018 was part of the Federated Logic Conference 2018, (FLOC 2018), as the premier conference on foundations and applications of logic programming, including but not restricted to answer-set programming, non-monotonic reasoning, unification and constraints based logic languages, constraint handling rules, argumentation logics, deductive databases, description logics, inductive and co-inductive logic programming. Papers were solicited on: