Blog
Industry news and comment, from practical tips for publishing open data to inspiring accounts of how open data has changed businesses.
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Simple Security for Fuseki
This entry describes an interim solution for providing a minimal level of access control to a Fuseki server. Fuseki, a part of the Jena family of linked data tools, is an Open Source SPARQL server. It provides the REST-style SPARQL HTTP Update, and SPARQL Query and SPARQL Update using the SPARQL protocol over HTTP. Though…
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Elementary my dear Jena
We’ve been thinking about Jena quite a bit lately with the move into Apache incubation. We can tell from all the emails we handle on Jena that it is used pretty heavily but we don’t always get to hear about where it is being used. Which made it fun to discover recently that IBM Watson,…
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Guide to the Payments Ontology
Background There is ongoing work within both local and central government on publication of data on payments to suppliers. Initially such data is generally being published as raw spreadsheets but there is a desire to move towards publication using open web standards that facilitate combination and comparison of data. Such linked data approaches can offer…
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Semtech 2010
Looking forward to attending and speaking at Semtech 2010 next week. Will be talking on the linked data API work we did for accessing data.gov.uk data and how that fits in with the larger opportunities for information intermediaries. Hoping to catch up lots of old and new contacts, ping me if you’d like to meet…
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An organization ontology : Final steps
The next steps in developing our ontology involve one more set of changes (linking to OPMV) and, most importantly, publishing the ontology somewhere. These aren’t the “final” steps as far as the ontology is concerned, it will need to evolve as people gain experiences applying it and give feedback on design and naming issues. However,…
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An organization ontology: Second draft
This is the fourth in our series of postings on the design of an organization ontology. The focus this time is on revising the ontology in the light of feedback and reflection. Review Reviewing the results of our draft with respect to the various design guides then we notice that we have failed to follow…
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An organization ontology: First draft
This is the third in our series of posts recording the (currently ongoing) process of developing an organization ontology. Here we sketch an initial design. Taking the initial requirements we now look at each part of the domain scope and identify the core classes, properties and design patterns. This sketch is designed to cover all…
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An organization ontology : Requirements
Background The data.gov.uk linked data project found itself in need on an ontology or vocabulary to support linked data publishing of government organizational information. A check for existing ontologies didn’t turn up an ideal solution so we decided to develop one. This is the first of a series of posts describing the process we went…
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An organization ontology : Survey
This is the second in our series of posts recording the (currently ongoing) process of developing an organization ontology. Here we are focused on surveying the options that already exist to confirm we haven’t missed anything. Check for existing ontologies By far the best way to define an ontology is to just find one and…
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Semantic Data Exchange
Semantic Data Exchange (SDX) was an investigation project looking at the role of information intermediaries for government linked data. This was a project funded by TSB (Technology Strategy Board). The work on SDX led to, supported and eventually exploited the Linked Data API we jointly developed with Jeni Tennison and Leigh Dodds. We gave a…