We introduce DLV2, a new Answer Set Programming (ASP) system. DLV2 combines I-DLV, a fully-compliant ASP-Core-2 grounder, with the well-assessed solver wasp. Input programs may be enriched by annotations and directives that customize heuristics of the system and extend its solving capabilities. An empirical analysis conducted on benchmarks from past ASP competitions shows that DLV2 outperforms the old DLV system and is close to the state-of-the-art ASP system clingo.
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