NOTICE
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HuFu (虎符) — neuro-symbolic data quality checking
Copyright (c) 2026 The HuFu Authors

This product includes software developed by the HuFu authors, licensed under
the Apache License, Version 2.0 (see LICENSE).

Portions of this software were ported from the following upstream projects,
whose original license notices are retained below in accordance with their
terms:

1. hyper-simulation (hyper-simulation-code)
   Source: lab-internal prototype accompanying the paper
   "Catching Inconsistencies" (HyperMatch).
   License: MIT License, Copyright (c) 2026 Anonymous Authors
   Ported components: the hypergraph construction package
   (src/hufu/hypergraph/), the engine pipeline (src/hufu/engine/), and the
   Rust fixed-point extension (rust/simulation/, rust/graph-simulation/).

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   MIT License

   Copyright (c) 2026 Anonymous Authors

   Permission is hereby granted, free of charge, to any person obtaining a
   copy of this software and associated documentation files (the
   "Software"), to deal in the Software without restriction, including
   without limitation the rights to use, copy, modify, merge, publish,
   distribute, sublicense, and/or sell copies of the Software, and to
   permit persons to whom the Software is furnished to do so, subject to
   the following conditions:

   The above copyright notice and this permission notice shall be included
   in all copies or substantial portions of the Software.

   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
   OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
   IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
   CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
   TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
   SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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2. ContraDoc evaluation dataset (benchmarks/data/ContraDoc.json)
   Source: https://github.com/ddhruvkr/CONTRADOC
   License: Apache License 2.0
   Citation: "ContraDoc: Understanding Self-Contradictions in Documents
   with Large Language Models" (arXiv:2311.09182).
