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Home / Proceedings / Proceedings of the AAAI Conference on Artificial Intelligence

Query Answering with Guarded Existential Rules under Stable Model Semantics

February 1, 2023

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Authors

Hai Wan

Sun Yat-sen University


Guohui Xiao

Free University of Bozen-Bolzano


Chenglin Wang

Sun Yat-sen University


Xianqiao Liu

Sun Yat-sen University


Junhong Chen

Sun Yat-sen University


Zhe Wang

Griffith University


DOI:

10.1609/aaai.v34i03.5695


Abstract:

In this paper, we study the problem of query answering with guarded existential rules (also called GNTGDs) under stable model semantics. Our goal is to use existing answer set programming (ASP) solvers. However, ASP solvers handle only finitely-ground logic programs while the program translated from GNTGDs by Skolemization is not in general. To address this challenge, we introduce two novel notions of (1) guarded instantiation forest to describe the instantiation of GNTGDs and (2) prime block to characterize the repeated infinitely-ground program translated from GNTGDs. Using these notions, we prove that the ground termination problem for GNTGDs is decidable. We also devise an algorithm for query answering with GNTGDs using ASP solvers. We have implemented our approach in a prototype system. The evaluation over a set of benchmarks shows encouraging results.

Topics: AAAI

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HOW TO CITE:

Hai Wan||Guohui Xiao||Chenglin Wang||Xianqiao Liu||Junhong Chen||Zhe Wang Query Answering with Guarded Existential Rules under Stable Model Semantics Proceedings of the AAAI Conference on Artificial Intelligence (2020) 3017-3024.

Hai Wan||Guohui Xiao||Chenglin Wang||Xianqiao Liu||Junhong Chen||Zhe Wang Query Answering with Guarded Existential Rules under Stable Model Semantics AAAI 2020, 3017-3024.

Hai Wan||Guohui Xiao||Chenglin Wang||Xianqiao Liu||Junhong Chen||Zhe Wang (2020). Query Answering with Guarded Existential Rules under Stable Model Semantics. Proceedings of the AAAI Conference on Artificial Intelligence, 3017-3024.

Hai Wan||Guohui Xiao||Chenglin Wang||Xianqiao Liu||Junhong Chen||Zhe Wang. Query Answering with Guarded Existential Rules under Stable Model Semantics. Proceedings of the AAAI Conference on Artificial Intelligence 2020 p.3017-3024.

Hai Wan||Guohui Xiao||Chenglin Wang||Xianqiao Liu||Junhong Chen||Zhe Wang. 2020. Query Answering with Guarded Existential Rules under Stable Model Semantics. "Proceedings of the AAAI Conference on Artificial Intelligence". 3017-3024.

Hai Wan||Guohui Xiao||Chenglin Wang||Xianqiao Liu||Junhong Chen||Zhe Wang. (2020) "Query Answering with Guarded Existential Rules under Stable Model Semantics", Proceedings of the AAAI Conference on Artificial Intelligence, p.3017-3024

Hai Wan||Guohui Xiao||Chenglin Wang||Xianqiao Liu||Junhong Chen||Zhe Wang, "Query Answering with Guarded Existential Rules under Stable Model Semantics", AAAI, p.3017-3024, 2020.

Hai Wan||Guohui Xiao||Chenglin Wang||Xianqiao Liu||Junhong Chen||Zhe Wang. "Query Answering with Guarded Existential Rules under Stable Model Semantics". Proceedings of the AAAI Conference on Artificial Intelligence, 2020, p.3017-3024.

Hai Wan||Guohui Xiao||Chenglin Wang||Xianqiao Liu||Junhong Chen||Zhe Wang. "Query Answering with Guarded Existential Rules under Stable Model Semantics". Proceedings of the AAAI Conference on Artificial Intelligence, (2020): 3017-3024.

Hai Wan||Guohui Xiao||Chenglin Wang||Xianqiao Liu||Junhong Chen||Zhe Wang. Query Answering with Guarded Existential Rules under Stable Model Semantics. AAAI[Internet]. 2020[cited 2023]; 3017-3024.


ISSN: 2374-3468


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