18 Jan 2020

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Cloud Cipher Capabilities

… or, the lack of it. A recent discussion at a customer made me having a closer look around support for encryption in the context of XaaS cloud service offerings as well as concerning Hadoop. In general, this can be broken down into over-the-wire (cf. SSL/ TLS ) and back-end encryption. While the former is widely used, the latter is rather seldom to find. Different reasons might exits why one wants to encrypt her data, ranging from preserving a competitive advantage to end-user privacy issues. No matter why someone wants to encrypt the data, the question is do systems support ...

18 Jan 2020 6:06pm GMT

[Paper Review] The Coerciveness of the Primary Key: Infrastructure Problems in Human Services Work

This blog post is a quick review and notes relating to a research paper called: The Coerciveness of the Primary Key: Infrastructure Problems in Human Services Work ( PDF available here ) It's part of my new research notebook to help me collect and share notes on research papers and reports. Brief summary This paper explores the impact of data infrastructure, and in particular the use of identifiers and the design of databases, on the delivery of human (public) services. By reviewing the use of identifiers and data in service delivery to support homelessness and those affected by AIDS, the ...

18 Jan 2020 1:05pm GMT

17 Jan 2020

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SANSA 0.7.1 (Semantic Analytics Stack) Released

We are happy to announce SANSA 0.7.1 - the seventh release of the Scalable Semantic Analytics Stack. SANSA employs distributed computing via Apache Spark and Flink in order to allow scalable machine learning, inference and querying capabilities for large knowledge graphs . Website: http://sansa-stack.net GitHub: https://github.com/SANSA-Stack Download: http://sansa-stack.net/downloads-usage/ ChangeLog: https://github.com/SANSA-Stack/SANSA-Stack/releases You can find usage guidelines and examples at http://sansa-stack.net/user-guide . The following features are currently supported by SANSA: Reading and writing RDF files in N-Triples, Turtle, RDF/XML, N-Quad, TRIX format Reading OWL files in various standard formats Query heterogeneous sources (Data Lake) using SPARQL - CSV, Parquet, MongoDB, Cassandra, JDBC (MySQL, ...

17 Jan 2020 9:05am GMT

06 Oct 2011

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ODF 1.2 Approved as Standard: Now with RDFa!

The new version of the Open Document Format, ODF 1.2, has been ratified as a standard. One of the changes to ODF 1.2 is the adoption of RDFa as a way of including metadata. Read more at the ODF technical committee chair's blog.

06 Oct 2011 1:57pm GMT

24 May 2011

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RDFa: The Inside Story from Best Buy

Earlier we reported on Best Buy's successes as a result of using RDFa. Search New Central has now published an interview with Jay Myers, Lead Development Engineer for Best Buy, on the whys and wherefores of implementing RDFa on their site. "We really didn't go into it with any expectations. We just wanted to see [...]

24 May 2011 8:47am GMT

01 May 2011

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Radify – RDFa Annotation Tool

Duncan Grant has created a new tool called Radify as a part of his university studies. It is a bookmarklet for the purposes of annotating a web page with RDFa. The bookmarklet features a triple viewer, edit mode and ability to load/parse new ontologies. You can read more about Duncan and his research on the [...]

01 May 2011 9:00pm GMT