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Bernd Fischer

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  • SLE2 editions2020–2021

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Automatic Grammar RepairSPLASH 20222022-12-05
Describes gfixr, a tool that automatically repairs context-free grammars by combining spectrum-based fault localization at individual rule positions with small…
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Vision: Bias in Systematic Grammar-Based Test Suite Construction AlgorithmsSLE 20212021-10-17
Shows that fixed choices in grammar-based test-suite construction create measurable equivalent choice bias and embedding bias that skew generated suites toward…
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Automatic Grammar RepairSLE 20212021-10-17
Automatic system repairs context-free grammars by localizing symbol-level faults using spectrum-based fault localization, generating small string-edit patches…
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Grammar-Based Testing for Little Languages: An Experience Report with Student CompilersSLE 20202020-11-16
Evaluates grammar-based test generation on a small teaching language called Ample and claims generated suites reach parity with manual suites for crash testing…
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Test Case Generation from Context-Free Grammars using Generalized Traversal of LR-AutomataSLE 20202020-11-16
Algorithm generates positive and negative test suites by traversing LR-automata encoded as an LR graph, using a two-phase BFS: a flooding phase that ensures…
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An Interactive Feedback System for Grammar Development (Tool Paper)SLE 20202020-11-16
Tool gtutr provides automated, interactive feedback for students developing ANTLR context-free grammars, using test suites generated from a hidden golden…
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