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- ArticleAugust 2024
Knowledge Graph Creation and Management Made Easy with KGraphX
AbstractTools for creating and managing knowledge graphs are a crucial ingredient of data management in various fields such as healthcare or manufacturing. Knowledge graphs comprise entities, attributes, and relationships, which help machines understand ...
- research-articleSeptember 2023
Defeasible RDFS via rational closure
Information Sciences: an International Journal (ISCI), Volume 643, Issue Chttps://doi.org/10.1016/j.ins.2022.11.165AbstractIn the field of non-monotonic logics, the notion of Rational Closure (RC) is acknowledged as a notable approach. In recent years, RC has gained popularity in the context of Description Logics (DLs), the logic underpinning the standard ...
- ArticleOctober 2023
Semantic and Efficient Symbolic Learning over Knowledge Graphs
The Semantic Web: ESWC 2023 Satellite EventsPages 244–254https://doi.org/10.1007/978-3-031-43458-7_43AbstractIn recent years, the rise of large Knowledge Graphs (KGs), which capture knowledge in machine-driven formats, has arisen broadly. KGs are the convergence of data and knowledge, and may be incomplete due to the Open World Assumption (OWA). ...
- demonstrationApril 2023
RDF Playground: An Online Tool for Learning about the Semantic Web
WWW '23 Companion: Companion Proceedings of the ACM Web Conference 2023Pages 111–114https://doi.org/10.1145/3543873.3587325We present RDF Playground: a web-based tool to assist those who wish to learn or teach about the Semantic Web. The tool integrates functionalities relating to the key features of RDF, allowing users to specify an RDF graph in Turtle syntax, visualise it ...
- research-articleOctober 2021
A survey on automatically constructed universal knowledge bases
Journal of Information Science (JIPP), Volume 47, Issue 5Pages 551–574https://doi.org/10.1177/0165551520921342A universal knowledge base can be defined as a domain-independent ontology containing instances. Ontologies define the concepts and relations among these concepts and are used to represent a domain of interest. These universal knowledge bases are the ...
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- ArticleJune 2020
OntoSemStats: An Ontology to Express the Use of Semantics in RDF-Based Knowledge Graphs
AbstractFor many users or automated agents, working with knowledge graphs may be a complicated task. Indeed, multiple tools using knowledge graphs rely on semantics to perform at their best. For example, in the context of data integration, some instance ...
- ArticleJune 2019
Reformulation-Based Query Answering for RDF Graphs with RDFS Ontologies
AbstractQuery answering in RDF knowledge bases has traditionally been performed either through graph saturation, i.e., adding all implicit triples to the graph, or through query reformulation, i.e., modifying the query to look for the explicit triples ...
- ArticleSeptember 2018
Representation of Autoimmune Diseases with RDFS
AbstractComplex systems are systems consisting of many diverse and autonomous independent subsystems interacting with each other. Huge amount of interactions with many feedback loops complicate their investigation. Immune system is a typical complex ...
- ArticleOctober 2017
Learning Commonalities in SPARQL
AbstractFinding the commonalities between descriptions of data or knowledge is a foundational reasoning problem of Machine Learning. It was formalized in the early 70’s as computing a least general generalization () of such descriptions. We revisit this ...
- ArticleMay 2017
Learning Commonalities in RDF
AbstractFinding the commonalities between descriptions of data or knowledge is a foundational reasoning problem of Machine Learning introduced in the 70’s, which amounts to computing a least general generalization() of such descriptions. It has also ...
- ArticleOctober 2016
INCEPTION Standard for Heritage BIM Models
- Peter Bonsma,
- Iveta Bonsma,
- Anna Elisabetta Ziri,
- Silvia Parenti,
- Pedro Martín Lerones,
- José Luis Hernández,
- Federica Maietti,
- Marco Medici,
- Beatrice Turillazzi,
- Ernesto Iadanza
Digital Heritage. Progress in Cultural Heritage: Documentation, Preservation, and ProtectionPages 590–599https://doi.org/10.1007/978-3-319-48496-9_47AbstractThe EU Project INCEPTION will create a platform that is able to exchange content according to state-of-the-art available open BIM standards. This INCEPTION open Heritage BIM platform is not only exchanging data according to existing state-of-the-...
- ArticleOctober 2016
Analogical Transfer in RDFS, Application to Cocktail Name Adaptation
Case-Based Reasoning Research and DevelopmentPages 218–233https://doi.org/10.1007/978-3-319-47096-2_15AbstractThis paper deals with analogical transfer in the framework of the representation language RDFS. The application of analogical transfer to case-based reasoning consists in reusing the problem-solution dependency to the context of the target problem;...
- ArticleMay 2015
Cichlid: Efficient Large Scale RDFS/OWL Reasoning with Spark
IPDPS '15: Proceedings of the 2015 IEEE International Parallel and Distributed Processing SymposiumPages 700–709https://doi.org/10.1109/IPDPS.2015.14In the era of big data, the volume of semantic data grows rapidly. The large scale semantic data contains a lot of significant but often implicit information that needs to be derived by reasoning. The semantic data reasoning is a challenging process. On ...
- articleJanuary 2015
Finding relevant semantic association paths using semantic ant colony optimization algorithm
Soft Computing - A Fusion of Foundations, Methodologies and Applications (SOFC), Volume 19, Issue 1Pages 251–260https://doi.org/10.1007/s00500-014-1247-3Semantic Associations are complex relationships between entities in a knowledge base represented in a graph. While searching Semantic Association between entities in an RDF graph, there may be too many paths connecting them. Each path has different ...
- research-articleJune 2014
Semantic Technology for Online, Broadcast and Print Media
WIMS '14: Proceedings of the 4th International Conference on Web Intelligence, Mining and Semantics (WIMS14)Article No.: 3, Pages 1–2https://doi.org/10.1145/2611040.2611043A talk describing the Financial Times use of Semantic Technology to Power its online and print product portfolio. Providing an insight into the Financial Times technical strategy which aims to deprecate a Relational, Taxonomical and Search driven ...
- articleOctober 2013
Enabling Semantic Mediation in DaaS Composition: Service-Based and Context-Driven Approach
International Journal of Information Technology and Web Engineering (IJITWE-IGI), Volume 8, Issue 4Pages 1–19https://doi.org/10.4018/ijitwe.2013100101As commonly agreed, Web services fall into two categories depending on their functionality world-altering services and Data-as-a-Service DaaS. Much work has been done on automatic DaaS discovery and composition, such as the query rewriting approach ...
- ArticleSeptember 2013
Representation of the UNIMARC bibliographic data format in resource description framework
DCMI'13: Proceedings of the 2013 International Conference on Dublin Core and Metadata ApplicationsPages 179–189This paper describes the history and role of the UNIMARC bibliographic data formats, as background to a discussion of preliminary outcomes of a project to represent the formats in Resource Description Framework (RDF) and map them to related standards, ...
- short-paperJune 2013
Overcoming limitations of term-based partitioning for distributed RDFS reasoning
SWIM '13: Proceedings of the Fifth Workshop on Semantic Web Information ManagementArticle No.: 7, Pages 1–4https://doi.org/10.1145/2484712.2484719RDFS reasoning is carried out via joint terms of triples; accordingly, a distributed reasoning approach should bring together triples that have terms in common. To achieve this, term-based partitioning distributes triples to partitions based on the ...
- ArticleMay 2013
From Ontology to Semantic Wiki --- Designing Annotation and Browse Interfaces for Given Ontologies
- Lloyd Rutledge,
- Thomas Brenninkmeijer,
- Tim Zwanenberg,
- Joop Heijning,
- Alex Mekkering,
- J. N. Theunissen,
- Rik Bos
Revised Selected and Invited Papers of the International Workshop on Semantic Web Collaborative Spaces - Volume 9507Pages 53–72https://doi.org/10.1007/978-3-319-32667-2_4We describe a mapping from any given ontology to an editable interface specification for semantic wikis. This enables quick start-up of distributed data-sharing systems for given knowledge domains. We implement this approach in Fresnel Forms, a Protégé ...
- ArticleJuly 2012
Towards Adaptive and Semantic Database Model for RDF Data Stores
CISIS '12: Proceedings of the 2012 Sixth International Conference on Complex, Intelligent, and Software Intensive Systems (CISIS)Pages 810–815https://doi.org/10.1109/CISIS.2012.137RDF Schema is a basic and yet very important language for specifying ontologies in the context of Semantic Web. Ontologies can be used to obtain more information from that explicitly stated. Traditionally, the process of revealing implicit knowledge, ...