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semantic web toolkit - tools


Swish is a framework for performing deductions in RDF data using a variety of techniques. Swish is conceived as a toolkit for experimenting with RDF inference, and for implementing stand-alone RDF file processors (usable in similar style to CWM, but with a view to being extensible in declarative style through added Haskell function and data value declarations). It explores Haskell as "a scripting language for the Semantic Web".

Swish is a work-in-progress, and currently incorporates:

 * Turtle, Notation3 and NTriples input and output. The N3 support is
   incomplete (no handling of @forAll).
 * RDF graph isomorphism testing and merging.
 * Display of differences between RDF graphs.
 * Inference operations in forward chaining, backward chaining and
   proof-checking modes.
 * Simple Horn-style rule implementations, extendable through variable
   binding modifiers and filters.
 * Class restriction rule implementation, primarily for datatype
 * RDF formal semantics entailment rule implementation.
 * Complete, ready-to-run, command-line and script-driven programs.

This package contains the swish tool.

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