Formal concept analysis: from knowledge discovery to knowledge processing
In this chapter, we introduce Formal Concept Analysis (FCA) and some of its extensions.
FCA is a formalism based on lattice theory aimed at data analysis and knowledge …
FCA is a formalism based on lattice theory aimed at data analysis and knowledge …
Cat2type: Wikipedia category embeddings for entity typing in knowledge graphs
The entity type information in Knowledge Graphs (KGs) such as DBpedia, Freebase, etc. is
often incomplete due to automated generation. Entity Typing is the task of assigning or …
often incomplete due to automated generation. Entity Typing is the task of assigning or …
Modelling dynamics in semantic web knowledge graphs with formal concept analysis
L González, A Hogan - Proceedings of the 2018 world wide web …, 2018 - dl.acm.org
In this paper, we propose a novel data-driven schema for large-scale heterogeneous
knowledge graphs inspired by Formal Concept Analysis (FCA). We first extract the sets of …
knowledge graphs inspired by Formal Concept Analysis (FCA). We first extract the sets of …
Are all people married? Determining obligatory attributes in knowledge bases
J Lajus, FM Suchanek - Proceedings of the 2018 World Wide Web …, 2018 - dl.acm.org
An attribute is obligatory for a class in a Knowledge Base (KB), if all instances of the class
have the attribute in the real world. For example, hasBirthDate is an obligatory attribute for …
have the attribute in the real world. For example, hasBirthDate is an obligatory attribute for …
Cross-portal metadata alignment–Connecting open data portals through means of formal concept analysis
M Bogdanović, MF Gligorijević, N Veljković… - Information …, 2023 - Elsevier
Due to openness and transparency initiatives, a vast amount of data is being made publicly
available. This data has great significance for business and society. However, it also led to …
available. This data has great significance for business and society. However, it also led to …
Representativeness of knowledge bases with the generalized Benford's law
Abstract Knowledge bases (KBs) such as DBpedia, Wikidata, and YAGO contain a huge
number of entities and facts. Several recent works induce rules or calculate statistics on …
number of entities and facts. Several recent works induce rules or calculate statistics on …
Discovering implicational knowledge in Wikidata
Abstract Knowledge graphs have recently become the state-of-the-art tool for representing
the diverse and complex knowledge of the world. Among the freely available knowledge …
the diverse and complex knowledge of the world. Among the freely available knowledge …
Multi-paradigm modelling of cyber-physical systems
Abstract Cyber-Physical Systems (CPS) lead to the 4-th Industrial Revolution (Industry 4.0)
that will have benefits from high flexibility of production, easy and so more accessible …
that will have benefits from high flexibility of production, easy and so more accessible …
Embedding based link prediction for knowledge graph completion
R Biswas - Proceedings of the 29th ACM international conference …, 2020 - dl.acm.org
Knowledge Graphs (KGs) have recently gained attention for representing knowledge about
a particular domain. Since its advent, the Linked Open Data (LOD) cloud has constantly …
a particular domain. Since its advent, the Linked Open Data (LOD) cloud has constantly …
[HTML][HTML] Characterizing approximate-matching dependencies in formal concept analysis with pattern structures
J Baixeries, V Codocedo, M Kaytoue… - Discrete applied …, 2018 - Elsevier
Functional dependencies (FDs) provide valuable knowledge on the relations between
attributes of a data table. A functional dependency holds when the values of an attribute can …
attributes of a data table. A functional dependency holds when the values of an attribute can …