Report from Day 1 at ISWC
[Editor’s Note: This week, Juan Sequeda is reporting in from the International Semantic Web Conference in Bonn, Germany. See his other reports here: Day 1 | Day 2 | Day 3 | Day 4 | Day 5 ] The first day at the International Semantic Web Conference consisted of 8 workshops and 3 tutorials. I […]
Read More →Querying the Whole Web of Data: a vision
The holy grail of the Semantic Web is to have intelligent agents that will be able to do all types of stuff for us, similar to what Siri is starting to do. Imagine my Semantic Web agent knows that I’ll be traveling to Bonn, Germany and will make a reservation at a restaurant that it […]
Read More →Introduction to: SPARQL
SPARQL is the standardized query language for RDF, the same way SQL is the standardized query language for relational databases. If this is the first time you look at SPARQL, but you’re familiar with SQL, you will see some similarities because it shares several keywords such as SELECT, WHERE, etc. It also has new keywords that you have never seen if […]
Read More →Introduction to: Ontologies
In my most recent post, I introduced RDF as a flexible and schema-less data model. However, some of you may think then that using RDF data is going to be a complete mess. In some cases, that may be true; and it’s fine! There are use cases in which all you want is messy data. […]
Read More →Introduction to: RDF
RDF stands for Resource Description Framework and it is a flexible schema-less data model. Do not confuse or compare it with XML (more about this later)! It is one of the core technologies of the Semantic Web and the current W3C standard to represent data on the web. But what is RDF exactly? As […]
Read More →Introduction to: Linked Data
So, what IS Linked Data? Linking Open Data cloud diagram, by Richard Cyganiak and Anja Jentzsch. http://lod-cloud.net/ I don’t know if you have realized, but the web is evolving from a global information space of interlinked documents into a global information space of interlinked data. But what does that even mean? Consider a database that […]
Read More →Relational Database and the Semantic Web
In order for the Semantic Web to become a reality and success, there needs to be data on the web published as Linked Data. However, data on the web is not a new thing. People have been publishing raw data for a long time as XML, CSV or even spreadsheets. Data can also be accessed through APIs. But where does most of the data on the web come from? Relational Databases!
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