Notice
Demos about Integration with Other Data Formats and Sources
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Descriptif
Augmenting Web browser with data in the pages
This demonstration show an extension to the browser called Operator. This extension allows the browser to actually look at the data inside the page and propose new services while browsing.
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This demo show you how we can extract RDFa from the webpage. We're going to use the RDFa Distiller and Parser webpage and web service. The idea is that in this service you can provide the URI of a webpage containing RDFa data and it will extract it for you and provide it to you as Turtle for instance.
JSON-LD from Google Knowledge Graph API
In this demo we are visiting the website of Google about the Knowledge Graph Search API. The result of that API are compliant with JSON-LD. If you look at this example they give, there is a context that is attached to the JSON result. So let us copy this data and put it in JSON-LD playground. I paste the data and I can know for instance transform the format JSON-LD going to the expanded form of JSON-LD. I can also see what are the quadruples, RDF data actually behind the JSON-LD. I can even translate it to other syntaxes. So if I go to the translator website, I can paste the same data in JSON-LD and ask for the version in Turtle or N3. As a result, I get the Turtle version of the answer of the Google API.
Licentia: a Web site to choose the license of your data
In this demo we are visiting the website Licentia. It is an online service that allows you to calculate and attach a licence to your data. You can find a licence for your data, you can check if a licence is compatible with your needs and you can visualise and download the licences.
Intervention
Thème
Documentation
Documents pédagogiques
Examples of plugins for Web browsers:
- Operator: https://addons.mozilla.org/en-US/firefox/addon/operator/
- Semantic Radar https://addons.mozilla.org/en-US/firefox/addon/semantic-radar/
- Semantic Inspector https://chrome.google.com/webstore/detail/semantic-inspector/jobakbebljifplmcapcooffdbdmfdbjh?hl=en
- Semantic Spider https://chrome.google.com/webstore/detail/semantic-spider/ckdnmkbanbampnifpddcfdphonmfibkb
- Micro Data Reveal https://chrome.google.com/webstore/detail/microdatareveal/olapakiakkblfdaajcifgldandnikpdh?hl=en
- Microdata/JSON-LD sniffer https://chrome.google.com/webstore/detail/microdatajson-ld-sniffer/djgonlcfpeeddedjhpgijdckhgddcfgf?hl=en
- Green Turtle RDFa https://chrome.google.com/webstore/detail/green-turtle-rdfa/loggcajcfkpdeoaeihclldihfefijjam?hl=en
Liens
In this demo we are visiting the website Licentia. It is an online service that allows you to calculate and attach a licence to your data. You can find a licence for your data
JSON-LD from Google Knowledge Graph APIyou can check if a licence is compatible with your needs and you can visualise and download the licences.
RDFa distillerIn this demo we are visiting the website of Google about the Knowledge Graph Search API. The result of that API are compliant with JSON-LD. If you look at this example they give
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6. LDP : a REST API to linked data
GandonFabienFaronCatherineCorbyOlivierThis part is about the Linked Data Platform standard which provides the REST API to link data. This is a set of standardized HTTP and RDF
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3. JSON-LD: JSON syntax for RDF
GandonFabienFaronCatherineCorbyOlivierJSON-LD is a JSON syntax for RDF. JSON stands for JavaScript Object Notation. It is a hierarchical structure of name-value pairs. It is
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5. R2RML: integration with databases
GandonFabienFaronCatherineCorbyOlivierR2RML allows us to integrate data from databases into RDF. There are two ways of transforming a relational database into RDF using R2RML.
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2. GRDDL: extract RDF from X(HT)ML
GandonFabienFaronCatherineCorbyOlivierGRDDL is a mechanism to extract RDF from XML and HTML.
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Conclusion of the MOOC Introduction to a Web of Linked Data
GandonFabienFaronCatherineCorbyOlivierThis video gives a summary of all the notions that have been presented in the 4 parts of the MOOC Introduction to a Web of Linked Data. We saw that we can use HTTP URIs to
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4. Tabular data and metadata (CSV)
GandonFabienFaronCatherineCorbyOlivierWe are going to see how we can transform tabular data and metadata into RDF. These data are extremely common; they are generated by
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1. RDFa: an RDF syntax inside HTML
GandonFabienFaronCatherineCorbyOlivierThe idea of the integration of the web of linked data with other data formats and sources is determined by the fact that the Web is evolving towards all forms of
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5. Several Query Forms
GandonFabienFaronCatherineCorbyOlivierIn the fifth part, we will see several query forms. Until now, we have seen the select where SPARQL query form but there are
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3. From pages to resources
GandonFabienFaronCatherineCorbyOlivierIn this third part, we will see another evolution of the Web, or more precisely, an evolution of the way we use the Web. We will
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7. RDF Schema
GandonFabienFaronCatherineCorbyOlivierThis sequence will introduce you to the RDF Schema, the standard to represent vocabularies to be used in RDF descriptions. In the
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3. JSON-LD: JSON syntax for RDF
GandonFabienFaronCatherineCorbyOlivierJSON-LD is a JSON syntax for RDF. JSON stands for JavaScript Object Notation. It is a hierarchical structure of name-value pairs. It is
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2. A Triple Model and a Graph Model
GandonFabienFaronCatherineCorbyOlivierThis sequence will introduce the principles of the RDF model. We will see that it is a triple model and a graph model. RDF stands for
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4. Pre and Post Processing
GandonFabienFaronCatherineCorbyOlivierIn the fourth part, we will see the pre and post processing of a SPARQL query. An RDF dataset is composed of a default graph
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6. LDP : a REST API to linked data
GandonFabienFaronCatherineCorbyOlivierThis part is about the Linked Data Platform standard which provides the REST API to link data. This is a set of standardized HTTP and RDF
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Demos about The RDF Data Model
GandonFabienFaronCatherineCorbyOlivierValidating and translating RDF data The W3C RDF validation service checks the validity of RDF statements in the RDF/XML syntax and, in the case where these statements are valid, it displays
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1. Historical Introduction to the Web Architecture
GandonFabienFaronCatherineCorbyOlivierGoing back in history, back in 1945, Vannevar Bush wrote an article entitled "As we may think". In this article, he
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5. Representing groups
GandonFabienFaronCatherineCorbyOlivierThis sequence is about the specificities of the RDF model for representing groups. The type Bag is predefined in the RDF model to represent
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2. GRDDL: extract RDF from X(HT)ML
GandonFabienFaronCatherineCorbyOlivierGRDDL is a mechanism to extract RDF from XML and HTML.
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Demos about a Web of Linked data
GandonFabienFaronCatherineCorbyOlivierThe BBC Web site uses linked (open) data The Wildlife documentary catalog on the Web site of BBC The Web site of BBC is structured and augmented with both internal and public linked data. In
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