Knowledge graph OLAP: A multidimensional model and query operations for contextualized knowledge graphs

CG Schuetz, L Bozzato, B Neumayr, M Schrefl… - Semantic …, 2021 - journals.sagepub.com
A knowledge graph (KG) represents real-world entities and their relationships. The
represented knowledge is often context-dependent, leading to the construction of …

Reasoning on multirelational contextual hierarchies via answer set programming with algebraic measures

L Bozzato, T Eiter, R Kiesel - Theory and Practice of Logic …, 2021 - cambridge.org
Dealing with context-dependent knowledge has led to different formalizations of the notion
of context. Among them is the Contextualized Knowledge Repository (CKR) framework …

[PDF][PDF] Reasoning with Justifiable Exceptions in Contextual Hierarchies.

L Bozzato, L Serafini, T Eiter - KR, 2018 - cdn.aaai.org
The problem of representing and reasoning with context dependent knowledge has been of
certain interest since the beginning of AI. Among the available solutions, we consider the …

A framework for a modular multi-concept lexicographic closure semantics

L Giordano, DT Dupré - arxiv preprint arxiv:2009.00964, 2020 - arxiv.org
We define a modular multi-concept extension of the lexicographic closure semantics for
defeasible description logics with typicality. The idea is that of distributing the defeasible …

[PDF][PDF] Towards Distributed Contextualized Knowledge Repositories for Analysis of Large-Scale Knowledge Graphs.

L Bozzato, CG Schuetz - CILC, 2020 - ceur-ws.org
A knowledge graph (KG) represents real-world entities as well as their properties and
relationships in a structured and often logic-based formalism. Given the large amount of …

[PDF][PDF] Reasoning on Contextual Hierarchies via ASP with Algebraic Measures

Reasoning on Contextual Hierarchies via ASP with Algebraic Measures Page 1 Reasoning
on Contextual Hierarchies via ASP with Algebraic Measures L. Bozzato 1 , T. Eiter 2 , R …

[PDF][PDF] A Framework for a Modular Multi-Concept Lexicographic Closure Semantics (an abridged report).

L Giordano, DT Dupré - CILC, 2021 - ailab.unipr.it
We define a modular multi-concept extension of the lexicographic closure semantics for
defeasible description logics with typicality. The idea is that of distributing the defeasible …

[PDF][PDF] Knowledge Graph OLAP

CG Schuetza, L Bozzatob, B Neumayra, M Schrefla… - semantic-web-journal.net
A knowledge graph (KG) represents real-world entities and their relationships. The
represented knowledge is often context-dependent, leading to the construction of …