Ontologies and data management: a brief survey

T Schneider, M Šimkus - KI-Künstliche Intelligenz, 2020 - Springer
Abstract Information systems have to deal with an increasing amount of data that is
heterogeneous, unstructured, or incomplete. In order to align and complete data, systems …

[PDF][PDF] Signature-based abduction for expressive description logics

P Koopmann, W Del-Pinto, S Tourret… - Proceedings of the …, 2020 - researchgate.net
Signature-based abduction aims at building hypotheses over a specified set of names, the
signature, that explain an observation relative to some background knowledge. This type of …

ABox abduction via forgetting in ALC

W Del-Pinto, RA Schmidt - Proceedings of the AAAI Conference on …, 2019 - ojs.aaai.org
Abductive reasoning generates explanatory hypotheses for new observations using prior
knowledge. This paper investigates the use of forgetting, also known as uniform …

Reasoning about explanations for negative query answers in DL-Lite

D Calvanese, M Ortiz, M Simkus, G Stefanoni - Journal of Artificial …, 2013 - jair.org
In order to meet usability requirements, most logic-based applications provide explanation
facilities for reasoning services. This holds also for Description Logics, where research has …

Explanations for negative query answers under existential rules

I Ceylan, T Lukasiewicz, E Malizia, C Molinaro… - 2020 - ora.ox.ac.uk
Ontology-mediated query answering is an extensively studied paradigm, where the
conceptual knowledge provided by an ontology is leveraged towards more enhanced …

[PDF][PDF] Effective query rewriting with ontologies over DBoxes

I Seylan, E Franconi, J De Bruijn - IJCAI, 2009 - inf.unibz.it
We consider query answering on Description Logic (DL) ontologies with DBoxes, where a
DBox is a set of assertions on individuals involving atomic concepts and roles called DBox …

[PDF][PDF] Signature-based abduction with fresh individuals and complex concepts for description logics

P Koopmann - Description Logics, 2021 - ceur-ws.org
In abduction, we are given a KB as background knowledge, in combination with a set of facts
(the observation) that cannot be deduced from the background knowledge. We are then …

Explanatory reasoning for image understanding using formal concept analysis and description logics

J Atif, C Hudelot, I Bloch - IEEE Transactions on Systems, Man …, 2013 - ieeexplore.ieee.org
In this paper, we propose an original way of enriching description logics with abduction
reasoning services. Under the aegis of set and lattice theories, we put together ingredients …

[PDF][PDF] Connection-Minimal Abduction in  via Translation to FOL

F Haifani, P Koopmann, S Tourret… - … Joint Conference on …, 2022 - library.oapen.org
Abduction in description logics finds extensions of a knowledge base to make it entail an
observation. As such, it can be used to explain why the observation does not follow, to repair …

Decision support for agri-food chains: A reverse engineering argumentation-based approach

R Thomopoulos, M Croitoru, N Tamani - Ecological Informatics, 2015 - Elsevier
Evaluating food quality is a complex process since it relies on numerous criteria historically
grouped into four main types: nutritional, sensorial, practical and hygienic qualities. They …