Results 21 to 30 of about 196,989 (264)

Benchmarking RDF Schemas for the Semantic Web [PDF]

open access: bronze, 2002
Describing web resources using formal knowledge (i.e., creating metadata according to a formal representation of a domain of discourse) is the essence of the next evolution step of the Web, termed the Semantic Web. The W3C's RDF/S (Resource Description Framework/Schema Language) enables the creation and exchange of resource metadata as normal web data.
Aimilia Magkanaraki   +3 more
openalex   +4 more sources

TRANSFORMATION FROM SEMANTIC DATA MODEL TO RDF [PDF]

open access: yesJUTI: Jurnal Ilmiah Teknologi Informasi, 2004
There have been several efforts to use relational model and database to store and manipulate Resource Description Framework (RDF). They have one general disadvantage, i.e.
Daniel Oranova Siahaan
doaj   +5 more sources

Containment of Shape Expression Schemas for RDF [PDF]

open access: greenProceedings of the 38th ACM SIGMOD-SIGACT-SIGAI Symposium on Principles of Database Systems, 2019
We study the problem of containment for shape expression schemas (ShEx) for RDF graphs. We identify a subclass of ShEx that has a natural graphical representation in the form of shape graphs and their semantics is captured with a tractable notion of embedding of an RDF graph in a shape graph.
Sławek Staworko, Piotr Wieczorek
openalex   +6 more sources

Novel Topic Maps to RDF/RDF Schema Translation Method

open access: bronzeIEICE Transactions on Information and Systems, 2008
We propose an enhanced method for translating Topic Maps to RDF/RDF Schema, to realize the Semantic Web. A critical issue for the Semantic Web is to efficiently and precisely describe Web information resources, i.e., Web metadata. Two representative standards, Topic Maps and RDF have been used for Web metadata.
Sehyun Shin, Dongwon Jeong, Dayoung Baik
openalex   +3 more sources

A Review of SHACL: From Data Validation to Schema Reasoning for RDF Graphs [PDF]

open access: greenRW, 2021
We present an introduction and a review of the Shapes Constraint Language (SHACL), the W3C recommendation language for validating RDF data. A SHACL document describes a set of constraints on RDF nodes, and a graph is valid with respect to the document if
Paolo Pareti, George Konstantinidis
semanticscholar   +4 more sources

Assessing resolvability, parsability, and consistency of RDF resources: a use case in rare diseases [PDF]

open access: yesJournal of Biomedical Semantics, 2023
Introduction Healthcare data and the knowledge gleaned from it play a key role in improving the health of current and future patients. These knowledge sources are regularly represented as ‘linked’ resources based on the Resource Description Framework ...
Shuxin Zhang   +2 more
doaj   +2 more sources

Rule Applicability on RDF Triplestore Schemas

open access: green, 2019
Rule-based systems play a critical role in health and safety, where policies created by experts are usually formalised as rules. When dealing with increasingly large and dynamic sources of data, as in the case of Internet of Things (IoT) applications, it becomes important not only to efficiently apply rules, but also to reason about their applicability
Paolo Pareti   +3 more
openalex   +5 more sources

Scaling Up Schema Discovery for RDF Datasets [PDF]

open access: green2018 IEEE 34th International Conference on Data Engineering Workshops (ICDEW), 2018
An increasing number of data sources is published on the Web, expressed using the languages proposed by the W3C such as RDF. In these sources, data is not constrained by a schema: data could differ from the schema-related statements provided in the source; furthermore, the schema could be incomplete of even missing; this makes the use of the data ...
Redouane Bouhamoum   +3 more
openalex   +4 more sources

Exploiting XML Schema for Interpreting XML Documents as RDF [PDF]

open access: green2008 IEEE International Conference on Services Computing, 2008
Interpreting legacy XML documents is a great challenge for realizing the vision of the semantic Web (SW). This paper presents an algorithm to transform XML data into RDF- foundation language of the SW - automatically. Our approach maps element definitions stored in XML schema to RDF schema ontology, where the ontology is used to describe the meaning ...
Phạm T.T.   +3 more
openalex   +3 more sources

A Novel Framework for RDF Schema Extraction in NoSQL Databases Using Sentence-BERT

open access: goldIEEE Access
NoSQL databases, known for their flexibility and scalability, have become pivotal in handling diverse and unstructured data. However, their schema-less nature introduces significant challenges in metadata management, query optimization, and data ...
Saad Belefqih   +3 more
doaj   +2 more sources

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