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Richard Cyganiak cygri

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cygri /
Created May 2, 2019
A collection of bugs found in the Rasqal SPARQL query engine, part of librdf.

Rasqal bugs

The librdf issue tracker does not appear to allow bug submissions from the public, so I'm collecting some here.

VALUES one-variable form returns only first value

$ roqet -e 'SELECT * { VALUES ?i { 1 2 3 } }'


| ?i |

cygri / 01.configure
Created Oct 8, 2013
Ticket for "brew install virtuoso" troubles
View 01.configure
checking for a BSD-compatible install... /usr/bin/install -c
checking whether build environment is sane... yes
checking for a thread-safe mkdir -p... binsrc/config/install-sh -c -d
checking for gawk... gawk
checking whether make sets $(MAKE)... yes
checking how to create a ustar tar archive... gnutar
checking whether to enable maintainer-specific portions of Makefiles... no
checking build system type... x86_64-apple-darwin12.5.0
checking host system type... x86_64-apple-darwin12.5.0
creating config.nice

Using Homebrew on OS X?

Want Apache Jena's command-line tools, including the incredibly useful sparql command, but can't be bothered endlessly messing with Jena's environment variables to get them to work?

Try the command below, which installs Jena via a formula made by my colleague Kevin Lyda:

brew install

If it worked, you can now do: