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Alvin Cheung

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titleconferencedate
Optimism in Equality SaturationPLDI 20262026-06-15
Shows that a naive optimistic e-class analysis on e-graphs becomes unsound because rewrites create ill‑formed cycles that look like loops but aren’t, and…
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Flo: a Semantic Foundation for Progressive Stream ProcessingPOPL 20252025-01-19
Flo formalizes two semantic guarantees: streaming progress (operators must emit meaningful partial outputs for unbounded inputs) and eager execution (operators…
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Suki: Choreographed Distributed Dataflow in RustCP 20242024-06-24
Suki is an embedded Rust DSL that uses staged programming to emit per-location Rust sources which compile to zero‑overhead binaries, relying on the hydroflow…
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Syntactic Code Search with Sequence-to-Tree Matching: Supporting Syntactic Search with(…)PLDI 20242024-06-24
A new search architecture drops parsing and uses only tokenization plus a novel sequence-to-tree matching algorithm built on top-down tree automata to give…
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Katara: Synthesizing CRDTs with Verified LiftingOOPSLA 20222022-12-05
Katara automatically synthesizes verified CRDTs from sequential data-type implementations and a pairwise operation ordering policy, encoding correctness into…
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Leveraging DSLs (Almost) for FreeStrange Loop 20172017-09-28
A method called verified lifting automatically infers a high‑level spec from code, proves equivalence with a theorem prover, and generates DSL code; a…
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