LinkedGeoData | OpenStreetMap for the Semantic Web | Data Manipulation library
kandi X-RAY | LinkedGeoData Summary
kandi X-RAY | LinkedGeoData Summary
LinkedGeoData (LGD) is an effort to add a spatial dimension to the Web of Data / Semantic Web. LinkedGeoData uses the information collected by the OpenStreetMap project and makes it available as an RDF knowledge base according to the Linked Data principles. It interlinks this data with other knowledge bases in the Linking Open Data initiative. The project web site can be found here. If you are running Ubuntu then this repository contains everything you need to transform OpenStreetMap data to RDF yourself. For other systems please consider contributing adaptions of the existing scripts.
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Top functions reviewed by kandi - BETA
- Main entry point for testing .
- Write model to writer .
- Create a DataSource .
- Starts a web server .
- Calculate a state for a given timestamp
- Compare two strings .
- Dumps tags of tags in a map .
- Registers the servlet .
- Parses the input as a Map .
- Return a model which is near the specified point .
LinkedGeoData Key Features
LinkedGeoData Examples and Code Snippets
Community Discussions
Trending Discussions on LinkedGeoData
QUESTION
I guess I am stuck at the basics with SPARQL. Can someone help ?
I simply wnat to filter all subjects containing "Mountain" of an RDS database.
...ANSWER
Answered 2018-Sep-23 at 11:09You can get it to "work" using:
QUESTION
I have problems with a SPARQL query I am executing from Apache Jena. The query is passed to LinkedGeoData via sparqlservice. The query looks like that:
...ANSWER
Answered 2017-Sep-28 at 12:57you can use ResultSet
QUESTION
I am trying this query at LinkedGeoData endpoint:
...ANSWER
Answered 2017-Jun-24 at 11:05The difference is in the source of the data:
The data in the SPARQL endpoint is based on an RDF dump which is more than one year old.
The data that will be shown when you open the resource in the browser is provided by the SPARQL-SQL rewriter Sparqlify based on an periodically synchronized SQL dump, thus, the data is up-to-date with the OpenStreetMap SQL dataset. This data can also be queried via SPARQL using either the SPARQL service or the Web Interface.
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install LinkedGeoData
lgd-apt-get.sh: Installs all required system packages using apt-get (postgres, postgis, osmosis, git and maven)
lgd-build-and-install-dependencies.sh: Builds a Sparqlify debian package from source and installs it.
lgd-download-and-install-dependecies.sh: Simply downloads and installs the latest Sparqlify debian package.
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