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Sebastian Erdweg

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titleconferencedate
Stateful Differential Operators for Incremental ComputingPOPL 20262026-01-11
Presents a formal specification for stateful differential operators that lets operators store and update custom state, proves correctness in Rocq, and extracts…
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A Framework of Differential OperatorsCoqPL 20252025-01-25
A Coq formalization presents a reusable framework that defines change structures (value, delta, patch, valid-change relation) and proves correctness of…
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Taming Unsoundness with Gradual Abstract InterpretationUNSOUND 20242024-10-20
Proposes that optimistic but unsound assumptions in abstract interpretation become safe by automatically inserting runtime checks so analysis results are sound…
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A Typed Multi-Level Datalog IR and its Compiler FrameworkOOPSLA 20242024-10-20
A compiler framework implements a typed multi-level Datalog IR in Scala, formalizing a bipolar, flow-sensitive type system with three-valued contexts that both…
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Interactive Debugging of Datalog ProgramsOOPSLA 20232023-10-23
Claims the first small-step operational semantics for top-down (query/subquery) Datalog, formalizing where a debugger can stop; implements a debugger for core…
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Combinator-Based Fixpoint Algorithms for Big-Step Abstract InterpretersICFP 20232023-09-04
Library of 12 fixpoint combinators composes to control big‑step abstract interpreters: each combinator enforces one of three divergence fixes (cut off…
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Incremental Processing of Structured Data in DatalogGPCE 20222022-12-06
Proposes a relational encoding that makes small edits to trees and lists produce small changes to Datalog inputs, claims up to 10,000x incremental speedups on…
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A Systematic Approach to Deriving Incremental Type CheckersOOPSLA 20202020-11-15
Provides a compiler from textbook-style typing rules to Datalog that yields an incremental type checker and a DSL for language specs, with a concrete encoding…
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