389 posts found
The importance of graphical visualization of data
"The simple graph has brought more information to the data analyst’s mind than any other device.” — John Tukey
The graphic visualization of data constitutes a discipline within data science universe. This practice has become important milestones throughout history in data analytics. In this post we…
The role of blockchain in security and data privacy
The imminent application of the recent GDPR (May 25th) modifies the European panorama in terms of security and privacy of personal data. Overall, the GDPR could be considered a "Digital Declaration of Rights". As we saw earlier, this Regulation lists the detailed requirements that any institution or…
Data Science, machine learning and deep learning
Data science is an interdisciplinary field that seeks to extract actuable knowledge from datasets, structured in databases or unstructured as texts, audios or videos. Thanks to the application of new techniques, data science is allowing for answering questions that are not easy to solve through othe…
Accessible training on new technologies: MOOCs and online training platforms
The adoption of innovative technologies could bring great competitive advantages for companies, optimizing processes, improving the customer experience and even creating new products and services. Therefore, an increasing number of organizations demand professionals with knowledge in areas such as d…
SHACL, un lenguaje para validar grafos RDF
El uso de RDF y de los datos enlazados (Linked Data) se está extendido a múltiples campos, desde la agricultura a la medicina. Y en todos los campos de conocimiento es necesario la validación de los datos RDF generados, aunque las condiciones sean diferentes para cada caso. Esta era una de las asign…
Pubby and LODI, opening linked data to humans
An important part of the data which is published on the Semantic Web, where resources are identified by URIs, is stored within triple store databases. This data can only be accessed through SPARQL queries via a SPARQL endpoint.
Moreover, the URIs used, usually designed in a pattern, in most of the d…
The transforming potential of blockchain in the use of data
Most likely, most of us will know, or at least have heard of blockchain technology, because of its relationship with the most popular cryptocurrency nowadays - Bitcoin. However, blockchain is not a technology born solely to sustain this new digital economy, but like many other blockchain technologie…
The transforming power of data in our cities
People, governments, economy, infrastructure, environment ... all these elements come together in our cities and they have to make the most of the constant flow of data on their streets to be more efficient. Analysis of the efficiency of services, monitoring of investment, improvement of public…
Personal open data but under control
Open data has great potential to improve transparency and accountability or to enhance public services and the creation of new services, but at the same time they also show a less friendly face by increasing our vulnerability and exposing information increasingly more detailed that is not always use…
Linked Open Vocabularies (LOV)
One of the main barriers to the deployment of linked data is the difficulty that data editors have to determine which vocabularies to use to describe their semantics. These vocabularies provide the "semantic glue" that allows simple data to become "meaningful data".
Linked Open Vocabularies (LOV)…
