Install librasqal3-doc by entering the following commands in the terminal:
sudo apt update sudo apt install librasqal3-doc
Description:
Documentation for the Rasqal RDF Query library
Rasqal is a C library providing support for querying the Resource Description Framework (RDF) including parsing query syntaxes, constructing the queries, executing them, returning result bindings and formatting results. It supports the SPARQL RDF Query Language, RDF Data Query Language (RDQL) and LAQRS experimental query language extending SPARQL. . This package contains the HTML documentation for the Rasqal library in /usr/share/gtk-doc/html/rasqal/ .
Homepage: http://librdf.org/rasqal/
Version: 0.9.32-1build1
Section: doc