Glossary

ABS

Used to stand for “Abstract Behavioral Syntax”; now the name of the ABS modeling language.

COG

Concurrent Object Group, the unit of concurrency in ABS.

Process

Task

A task is created by an asynchronous method call and runs the code of the method named by the call in the context of the callee object. Tasks are scheduled by the cog containing the callee object. Each task has an associated future.

RDF

RDF is a standard model for data interchange on the Web, extending the linking structure of the Web to use URIs to name the relationship between things as well as the two ends of the link; see https://www.w3.org/RDF/.

SPARQL

SPARQL is a set of specifications that provide languages and protocols to query and manipulate RDF graph content on the Web or in an RDF store; see https://www.w3.org/TR/sparql11-overview/.

TRTL

A textual syntax for RDF that allows an RDF graph to be written in a compact text form, with abbreviations for common usage patterns and datatypes; see https://www.w3.org/TR/turtle/.