The dlvhex system for knowledge representation: recent advances (system description)

C Redl - Theory and Practice of Logic Programming, 2016‏ - cambridge.org
The dlvhex system implements the hex-semantics, which integrates answer set
programming (ASP) with arbitrary external sources. Since its first release ten years ago …

A model building framework for answer set programming with external computations

T Eiter, M Fink, G Ianni, T Krennwallner… - Theory and Practice of …, 2016‏ - cambridge.org
As software systems are getting increasingly connected, there is a need for equip**
nonmonotonic logic programs with access to external sources that are possibly remote and …

Rewriting recursive aggregates in answer set programming: back to monotonicity

M Alviano, W Faber, M Gebser - Theory and Practice of Logic …, 2015‏ - cambridge.org
Aggregation functions are widely used in answer set programming for representing and
reasoning on knowledge involving sets of objects collectively. Current implementations …

Hybrid planning for challenging construction problems: An Answer Set Programming approach

F Ahmad, V Patoglu, E Erdem - Artificial Intelligence, 2023‏ - Elsevier
We study construction problems where multiple robots rearrange stacks of prefabricated
blocks to build stable structures. These problems are challenging due to ramifications of …

[PDF][PDF] Problem Solving Using the HEX Family.

T Eiter, C Redl, P Schüller - Computational Models of Rationality, 2016‏ - credl.eu
The HEX formalism has been designed as an extension of answer set programs that offers
an abstract interface to access external sources of information and computation, such as the …

Answer set programming with external source access

T Eiter, T Kaminski, C Redl, P Schüller… - … Interoperability on the …, 2017‏ - Springer
Access to external information is an important need for Answer Set Programming (ASP),
which is a booming declarative problem solving approach these days. External access not …

[HTML][HTML] Domain expansion for ASP-programs with external sources

T Eiter, M Fink, T Krennwallner, C Redl - Artificial Intelligence, 2016‏ - Elsevier
Answer set programming (ASP) is a popular approach to declarative problem solving which
for broader usability has been equipped with external source access. The latter may …

Exploiting partial assignments for efficient evaluation of answer set programs with external source access

T Eiter, T Kaminski, C Redl, A Weinzierl - Journal of Artificial Intelligence …, 2018‏ - jair.org
Answer Set Programming (ASP) is a well-known declarative problem solving approach
based on nonmonotonic logic programs, which has been successfully applied to a wide …

Complexity and compilation of GZ-aggregates in answer set programming

M Alviano, N Leone - Theory and Practice of Logic Programming, 2015‏ - cambridge.org
Gelfond and Zhang recently proposed a new stable model semantics based on Vicious
Circle Principle in order to improve the interpretation of logic programs with aggregates. The …

Four floors for the theory of theory change: The case of imperfect discrimination

H Rott - European Workshop on Logics in Artificial Intelligence, 2014‏ - Springer
The theory of theory change due to Alchourrón, Gärdenfors and Makinson (“AGM”) has been
widely known as being characterised by two packages of postulates. The basic package …