El documento describe cómo los periodistas pueden usar datos enlazados (Linked Data) para generar historias. Explica los pasos de descargar datos de portales de datos abiertos, conectarlos usando vocabularios estándar, realizar consultas SPARQL para extraer información, y visualizar los datos para contar historias a los lectores. Como ejemplo, analiza la correlación entre el número de locutorios y la población ecuatoriana o chilena en diferentes barrios de Madrid.
Presentación de Aragón Open Data en la jornada "Datos abiertos enlazados en bibliotecas, archivos y museos".
Biblioteca e Arquivo de Galicia. Santiago de Compostela.
Participación el 21 de junio de 2017 en Madrid en el encuentro de los Patronos de la Fundación COTEC para explicar y debatir sobre el valor y potencialidad de los datos abiertos para la innovación y el desarrollo.
Biomedical ontologies are key to the success of Semantic Web technologies in Life Sciences; therefore, it is important to provide appropriate tools for their development and further exploitation. The Ontology Pre Processor Language (OPPL) can be used for automating the complex manipulation needed to devise biomedical ontologies with richer axiomatic content, which in turn pave the way towards advanced biological data analyses. We present OPPL-Galaxy, an OPPL wrapper for the Galaxy platform, and a series of examples demonstrating its functionality for enriching ontologies. As Galaxy provides an integrated framework to make use of various bioinformatics tools, the functionality delivered by OPPL to manipulate ontologies can be combined along with the tools and workflows devised in Galaxy. As a result, those workflows can be used to perform more thorough analyses of biological information by exploiting extant biological knowledge codified in (enriched) biomedical ontologies
Presentación de Aragón Open Data en la jornada "Datos abiertos enlazados en bibliotecas, archivos y museos".
Biblioteca e Arquivo de Galicia. Santiago de Compostela.
Participación el 21 de junio de 2017 en Madrid en el encuentro de los Patronos de la Fundación COTEC para explicar y debatir sobre el valor y potencialidad de los datos abiertos para la innovación y el desarrollo.
Biomedical ontologies are key to the success of Semantic Web technologies in Life Sciences; therefore, it is important to provide appropriate tools for their development and further exploitation. The Ontology Pre Processor Language (OPPL) can be used for automating the complex manipulation needed to devise biomedical ontologies with richer axiomatic content, which in turn pave the way towards advanced biological data analyses. We present OPPL-Galaxy, an OPPL wrapper for the Galaxy platform, and a series of examples demonstrating its functionality for enriching ontologies. As Galaxy provides an integrated framework to make use of various bioinformatics tools, the functionality delivered by OPPL to manipulate ontologies can be combined along with the tools and workflows devised in Galaxy. As a result, those workflows can be used to perform more thorough analyses of biological information by exploiting extant biological knowledge codified in (enriched) biomedical ontologies
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Generación de datos estadísticos enlazados del Instituto Aragonés de EstadísticaOscar Corcho
En esta presentación mostramos el trabajo realizado para la generación y publicación de datos enlazados a partir de los datos de estadística local del Instituto Aragonés de Estadística
Presentación realizada por Jose Emilio Labra Gayo para las Jornadas "Empleo y Universidad" organizadas por la Universidad de Oviedo, los días 9 y 10 de Junio de 2010
Taller Gratuito de Datos Abiertos Ciudadanos con los datos de MálagaDavid Bueno Vallejo
Transparencias utilizadas en el Taller Gratuito de Datos Abiertos Ciudadanos en http://www.espaciocienfuegos.com/portfolio-item/taller-open-data/
En este taller se presentan las diferencias entre gobierno abierto, transparencia y datos abiertos que en muchas ocasiones se confunde. Se introduce brevemente la estrategia de gobierno abierto del Ayuntamiento de Málaga para centrar el desarrollo del taller en el portal de datos abiertos. En una primera parte se mostrarán sus características y estructura y en una segunda parte más práctica se mostrará con ejemplos reales como descargar y trabajar con diferentes tipos de archivos, (.csv) presupuestos municipales, (shape) archivos cartográficos y como acceder a los servicios que permiten integrar en una app los datos abiertos.
Desarrollo práctico de aplicaciones Linked Data: metodología y herramientasGuillermo Álvaro Rey
Lección "Desarrollo práctico de aplicaciones Linked Data: metodología y herramientas" del Curso de Verano 2010 de la UPM: "Linked Data: ¿Una oportunidad o un riesgo?"
Esta es una actualización de el proyecto de Big Data que ha llegado a un primer resultado, El mapa de emotividad basada en Twitter, por cada entidad de México. El siguiente paso será hacer esto en tiempo real.
Esta presentación se centra en mostrar como usar la API de datos abiertos del portal del Ayuntamiento de Málaga, para el Hackaton organizado en Marzo de 2018.
Proyecto Big Data realizado para Euskaltel, operador vasco de telefonía móvil. Premios open awards 2017, los premios más importantes del sector de las tecnologías abiertas
PNE 178301. Ciudades inteligentes. Datos abiertos (Open Data)LocaliData
Presentación realizada en el marco de la reunión final del proyecto POSSE, realizada el 14/11/2014 en la sede de la Empresa Municipal de Transportes de Madrid (EMT)
Datos Abiertos del Ayuntamiento de Málaga y como usar su APIDavid Bueno Vallejo
En esta presentación se presentan conceptos de datos abiertos, la plataforma CKAN que se utiliza en el Ayuntamiento de Málaga, y como pueden los desarrolladores utilizar la API para hacer apps o aplicaciones webs que usen los datos de este Ayuntamiento. Algunos de estos datos pueden usarse para análisis de Big Data. Por último se muestran aplicaciones realizadas por terceros usando la información suministrada por el Ayuntamiento en su portal: http://datosabiertos.malaga.eu/
Similar a Periodismo de datos y Linked Data: El poder de los datos enlazados para generar historias (20)
Organisational Interoperability in Practice at Universidad Politécnica de MadridOscar Corcho
Presentation on EOSC Interoperability Framework in relation to Organisational Interoperability, and how it can be applied to a Research Performing Organisation such as UPM
Open Data (and Software, and other Research Artefacts) -A proper managementOscar Corcho
Presentation at the event "Let's do it together: How to implement Open Science Practices in Research Projects" (29/11/2019), organised by Universidad Politécnica de Madrid, where we discuss on the need to take into account not only open access or open research data, but also all the other artefacts that are a result of our research processes.
Adiós a los ficheros, hola a los grafos de conocimientos estadísticosOscar Corcho
Esta presentación se ha realizado en el contexto de la Jornada sobre difusión, accesibilidad y reutilización de la estadística y cartografía oficial (http://www.juntadeandalucia.es/institutodeestadisticaycartografia/blog/2019/11/jornada-plan/), organizada por el Instituto de Estadística y Cartografía de Andalucía.
Ontology Engineering at Scale for Open City Data SharingOscar Corcho
Seminar at the School of Informatics, The University of Edinburgh.
In this talk we will present how we are applying ontology engineering principles and tools for the development of a set of shared vocabularies across municipalities in Spain, so that they can start homogenising the generation and publication of open data that may be useful for their own internal reuse as well as for third parties who want to develop applications reusing open data once and deploy them for all municipalities. We will discuss on the main challenges for ontology engineering that arise in this setting, as well as present the work that we have done to integrate ontology development tools into common software development infrastructure used by those who are not experts in Ontology Engineering.
Situación de las iniciativas de Open Data internacionales (y algunas recomen...Oscar Corcho
Presentación sobre iniciativas de Open Data Internacionales y nacionales, realizada en el contexto del Curso de Verano de la Universidad de Extremadura "BigData y Machine Learning junto a fuentes de datos abiertos para especializar el sector agroganadero", el 25/09/2018
Presentación general sobre contaminación lumínica, en español, del proyecto STARS4ALL (www.stars4all.eu). Generada por el consorcio del proyecto, con especial agradecimiento a Lucía García (@shekda) por generar la primera versión en inglés, y Miquel Serra-Ricart, por realizar su traducción inicial.
Towards Reproducible Science: a few building blocks from my personal experienceOscar Corcho
Invited keynote given at the Second International Workshop on Semantics for BioDiversity (http://fusion.cs.uni-jena.de/s4biodiv2017/), held in conjunction with ISWC2017 (https://iswc2017.semanticweb.org/)
Publishing Linked Statistical Data: Aragón, a case studyOscar Corcho
Presentation at the Semstats2017 workshop (http://semstats.org/2017/) for the paper "Publishing Linked Statistical Data: Aragón, a Case Study", by Oscar Corcho, Idafen Santana-Pérez, Hugo Lafuente, David Portolés, César Cano, Alfredo Peris, José María Subero.
An initial analysis of topic-based similarity among scientific documents base...Oscar Corcho
Presentation given at the SemSci2017 workshop (https://semsci.github.io/semSci2017/), for the paper "An Initial Analysis of Topic-based Similarity among Scientific Documents Based on their Rhetorical Discourse Parts" http://ceur-ws.org/Vol-1931/paper-03.pdf
Introductory talk on the usage of Linked Data for official statistics, given at the ESS (Linked) Open Data Workshop 2017, in Malta, January 2017.
In this introductory talk we will discuss the main foundations for the application of Linked Data principles into official statistics. We will briefly introduce what Linked Data is, as well as the main principles, languages and technologies behind it (URIs, RDF, SPARQL). We will also discuss about the different formats in which data can be made available on the Web (e.g., RDF Turtle, JSON-LD, CSV on the Web). We will then move into providing a detailed presentation, with step by step examples based on existing Linked Statistical Data sources, of the W3C recommendation RDF DataCube, which is the basis for the dissemination of statistical data as Linked Data. Finally, we will provide some examples of applications, and the opportunities that this approach offers for the development of the proofs of concepts selected by Eurostat and to be discussed during the meeting.
Aplicando los principios de Linked Data en AEMETOscar Corcho
Presentación realizada en uno de los paneles de la jornada sobre datos abiertos organizada por AEMET el 13 de diciembre del 2016, sobre la aplicación de los principios de Linked Data la API REST de AEMET
Ojo Al Data 100 - Call for sharing session at IODC 2016Oscar Corcho
This is the presentation of the #ojoaldata100 initiative (http://ojoaldata100.okfn.es) for the selection of 100 datasets that every city should be publishing in their open data portal. This presentation was used in a call for sharing session at the 4th International Open Data Conference (IODC2016).
Educando sobre datos abiertos: desde el colegio a la universidadOscar Corcho
Presentación realizada en la mesa 3 del evento Aporta 2016, uno de los pre-eventos de la semana de los datos abiertos en Madrid. Realizada el 3 de octubre del 2016.
http://datos.gob.es/encuentro-aporta?q=node/654503
Presentación de la red de excelencia de Open Data y Smart CitiesOscar Corcho
Presentación general de la red de excelencia de Open Data y Smart Cities (http://www.opencitydata.es), realizada en Medialab-Prado el 18 de febrero de 2016
Why do they call it Linked Data when they want to say...?Oscar Corcho
The four Linked Data publishing principles established in 2006 seem to be quite clear and well understood by people inside and outside the core Linked Data and Semantic Web community. However, not only when discussing with outsiders about the goodness of Linked Data but also when reviewing papers for the COLD workshop series, I find myself, in many occasions, going back again to the principles in order to see whether some approach for Web data publication and consumption is actually Linked Data or not. In this talk we will review some of the current approaches that we have for publishing data on the Web, and we will reflect on why it is sometimes so difficult to get into an agreement on what we understand by Linked Data. Furthermore, we will take the opportunity to describe yet another approach that we have been working on recently at the Center for Open Middleware, a joint technology center between Banco Santander and Universidad Politécnica de Madrid, in order to facilitate Linked Data consumption.
Linked Statistical Data: does it actually pay off?Oscar Corcho
Invited keynote at the ISWC2015 Workshop on Semantics and Statistics (SemStats 2015). http://semstats.github.io/2015/
The release of the W3C RDF Data Cube recommendation was a significant milestone towards improving the maturity of the area of Linked Statistical Data. Many Data Cube-based datasets have been released since then. Tools for the generation and exploitation of such datasets have also appeared. While the benefits for the usage of RDF Data Cube and the generation of Linked Data in this area seem to be clear, there are still many challenges associated to the generation and exploitation of such data. In this talk we will reflect about them, based on our experience on generating and exploiting such type of data, and hopefully provoke some discussion about what the next steps should be.
Research Objects for improved sharing and reproducibilityOscar Corcho
Presentation about the usage of Research Objects to improve scientific experiment sharing and reproducibility, given at the Dagstuhl Perspective Workshop on the intersection between Computer Sciences and Psychology (July 2015)
Research Objects for improved sharing and reproducibility
Periodismo de datos y Linked Data: El poder de los datos enlazados para generar historias
1. Periodismo de datos
y Linked Data
“El poder de los datos
enlazados para generar
historias”
UCM / #6eiiic, Madrid, 25/09/2013
Oscar Corcho
ocorcho@fi.upm.es, ocorcho@localidata.com
@ocorcho
2. Y MEJOR algo revueltos
Todos juntos…
Speaker:
Date: 25/09/13
3. Veamos un ejemplo…
• ¿Existe correlación entre el número de locutorios que
hay en un barrio y la población ecuatoriana o chilena
empadronada en él?
• ¿Qué datos necesito?
• Locutorios y su localización
• Idealmente procedente de un portal de datos abiertos
• Datos del padrón por barrios
• Procedente del portal de datos estadísticos de Madrid
Speaker:
?
5. Paso 1. Descargar los datos que vamos a usar (I)
• Por ejemplo, datos de población del Instituto de
Estadística de Madrid
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6. Paso 1. Descargar los datos que vamos a usar (II)
• Y también nos encontramos con una base de datos
de locales comerciales, que contiene locutorios
• O usamos Google Places, Open Street Map,
4square, etc.
• Que proporcionan APIs de datos
6<<Texto libre: proyecto, speaker, etc.>>
7. Paso 2. Nos fijamos en los datos y en cómo conectarlos
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• ¿Cómo los conectamos?
• 079601001
• Madrid, Distrito 1, Sección 1
• http://datos.localidata.com/recurso/Provincia/Madrid/Municip
8. Paso 3. Y creamos una red de datos enlazados
• Linked Data
• Utilizar la Web como una base de datos global
• Movernos de una Web de documentos a una Web de
datos
• URIs, HTTP, RDF, enlaces y REST
8<<Texto libre: proyecto, speaker, etc.>>
Base de
datos del
INE
Base de
datos del
INE
Base de datos
de locales
comerciales
Base de datos
de locales
comerciales
9. Ejemplo: Integración de datos
9
Catas
tro
Catas
tro
BD
AEMET
BD
AEMET
BD
DBpedia
BD
DBpedia
BD
IGN
BD
IGN
C/ Alcalá, 54
1446403VK4714E0001AZ
971m2
refCatastral
superficie
28014
codPostal
1910
añoConstrucción
C/ Alcalá, 54 Madrid
Madrid
city
sameAs
Madrid
20º
Temperatura
C/ Alcalá, 54
Cafetería Simpatía
vcard:adr
11012723
NúmeroPortal
L-20
Código Local
Ayto
Madrid
Ayto
Madrid
11. Algunos ejemplos de uso de Linked Data en medios
• http://rtve.linkeddata.es
• http://webenemasuno.linkeddata.es/
11<<Texto libre: proyecto, speaker, etc.>>
12. Paso 3. Y creamos una red de datos enlazados
• Usando vocabularios estandarizados
• Así nuestros datos pueden ser reutilizados por otros más
fácilmente
• Ejemplos
• GeoSPARQL
• DataCube
• División administrativa de España (red.es)
• Y haciendo nuestros datos enlazados disponibles
como APIs
12<<Texto libre: proyecto, speaker, etc.>>
13. Paso 4. Y a explotar los datos… (I)
• Realizando consultas
• Dime cuántos locutorios hay en Madrid (aquí)
PREFIX localidata: <http://datos.localidata.com/def/City#>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
SELECT (COUNT(DISTINCT ?item) AS ?numLocutorios) {
?item a localidata:LocalComercial .
?item localidata:clasificacionEconomica ?cE .
?cE localidata:epigrafeActividad ?epi .
{?epi localidata:codigo "610002"}
UNION
{?epi localidata:codigo "477808"}.
}
13<<Texto libre: proyecto, speaker, etc.>>
14. Paso 4. Y a explotar los datos… (I)
• Realizando consultas
• Dime cuántos locutorios hay en Usera (aquí)
PREFIX localidata: <http://datos.localidata.com/def/City#>
SELECT COUNT (DISTINCT ?item) AS ?
numLocutoriosUsera {
?item a localidata:LocalComercial .
?item localidata:clasificacionEconomica ?cE .
?cE localidata:epigrafeActividad ?epi .
{?epi localidata:codigo "610002"}
UNION {?epi localidata:codigo "477808"}.
?item localidata:enDivisionTerritorial ?seccion .
?seccion localidata:distrito
<http://datos.localidata.com/recurso/Provincia/Madrid/Muni
cipio/madrid/Distrito/12> .
} 14<<Texto libre: proyecto, speaker, etc.>>
15. Paso 4. Y a explotar los datos… (I)
• Realizando consultas
• ¿En qué barrios viven más ecuatorianos entre 20 y 59 años? (aquí)
PREFIX localidata: <http://datos.localidata.com/def/City#>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX qb: <http://purl.org/linked-data/cube#>
PREFIX localidata: <http://datos.localidata.com/def/City#>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX qb: <http://purl.org/linked-data/cube#>
PREFIX cityStats-dimension: <http://datos.localidata.com/def/CityStats/dimension#>
PREFIX sdmx-dimension: <http://purl.org/linked-data/sdmx/2009/dimension#>
PREFIX cityStats-code: <http://datos.localidata.com/def/CityStats/code#>
PREFIX cityStats: <http://datos.localidata.com/def/CityStats/stats#>
SELECT DISTINCT ?barrio (sum(?numHabitantesEC2065Seccion) as ?
numHabitantesEC2065Barrio)
WHERE
{
?seccion localidata:barrio ?bar . ?bar rdfs:label ?barrio .
{ 15<<Texto libre: proyecto, speaker, etc.>>
16. Paso 4. Y a explotar los datos… (II)
• Realizando gráficos con R
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17. Paso 4. Y a explotar los datos… (III)
• Obteniendo correlaciones entre personas de Ecuador
empadronadas y locutorios por barrios de Madrid
q <-
"PREFIX localidata: <http://datos.localidata.com/def/City#>
PREFIX qb: http://purl.org/linked-data/cube#
…
SELECT DISTINCT ?distrito ?barrio …“
dLocutoriosEC <- SPARQL(url=endpointLocalidata, query=q, ns=prefix,
extra=options)
resLocutoriosEC <- dLocutoriosEC$results
loc_EC_frame <- data.frame(locutorios=resLocutoriosEC$numLocutorios,
ecuatorianosAdultos=resLocutoriosEC$numHabitantesEC2065,
chilenosAdultos=resLocutoriosEC$numHabitantesCL2065)
row.names(loc_EC_frame) <- resLocutoriosEC$barrio
cor <- cor(loc_EC_frame, method='pearson’)
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18. Paso 4. Y a explotar los datos… (IV)
• Y visualizando los datos para nuestros lectores en la
Web, en un iPad…
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19. ¿Alguna historia más?
• Publicaremos en breve algunas en
http://www.localidata.com/
• Si alguno de vosotros está interesado en utilizar
nuestros datos para generar historias, hablad con
nosotros
19<<Texto libre: proyecto, speaker, etc.>>
20. Periodismo de datos
y Linked Data
“El poder de los datos
enlazados para generar
historias”
UCM / #6eiiic, Madrid, 25/09/2013
Oscar Corcho
ocorcho@fi.upm.es, ocorcho@localidata.com
@ocorcho