About me
My name is Richard Cyganiak.
I'm a software engineer at TopQuadrant. I work on web technologies for managing data and am based in Dublin, Ireland.Links
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Monthly Archives: June 2006
Paul Häder is blogging
Paul is a friend of mine from school. In 9th grade or so we collaborated on an encryption tool based on, umm, the XOR algorithm, implemented in, umm, PowerBASIC. Hadn’t heard from him for a while – he just said … Continue reading
Posted in General
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Pérez et al.: Semantics and Complexity of SPARQL
Jorge Pérez, Marcelo Arenas, Claudio Gutierrez: Semantics and Complexity of SPARQL (preprint) SPARQL has a dirty little secret: The spec doesn’t define the formal semantics. There is a lot of language to explain how everything is supposed to work, and … Continue reading
Posted in General, Semantic Web
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Game theory, convention, and co-ordination
Harry Halpin: In its classic game-theoretic formulation by David Lewis, a language is defined formally but established and used according to convention. A convention is used by a community to solve some co-ordination problem, such as determining how to list … Continue reading
Posted in General, Semantic Web
1 Comment
Fun with connection properties
How to connect to MySQL over JDBC: jdbc:mysql://localhost/mydb?paranoid=true &pedantic=true&ultraDevHack=true Surprisingly, neither pessimistic=true nor patronizing=true work. (MySQL JDBC documentation)
Posted in General
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A Friendlier RDF API for Java
Back in January 2005, being annoyed with the verboseness of a certain RDF API for Java, I tried to come up with a friendlier way of manipulating generic RDF from Java. My experiments never went anywhere and I forgot about … Continue reading
Posted in General, Semantic Web
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