Vid2Prog recovers Scratch programs from execution videos via a sound oracle that certifies lens-equivalence with zero false accepts on 246 test pairs and 80% certificate rate for in-vocabulary cases while abstaining outside the vocabulary.
A systematic study of time limit exceeded errors in online programming assignments,
6 Pith papers cite this work. Polarity classification is still indexing.
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SchedCheck performs partial-order exploration over dependence-equivalence classes of schedules on the Scratch VM to detect and localize schedule-sensitive behaviors, reporting 17-21% of real concurrent projects affected.
A certificate-carrying rewriting system for Scratch-like languages uses a trusted checker to verify optimizer rewrites by recomputing preservation conditions, with a Lean-mechanized cooperative-frame refinement theorem covering multiple state families and 94.3% acceptance on 300 projects.
The paper formalizes fixed-set worst-case corruption in PBE, implements corruption searches on a string DSL, and shows VPA recovers some margin-1 tasks but fails on public SyGuS where vote margins are near one.
On the Moltbook platform populated by LLM agents, popularity-based and item-side collaborative filtering methods outperform user-representation techniques for predicting next forum engagement.
Raven automates Scratch program assessment by having instructors specify task-level video generation rules and using LLMs to analyze resulting videos for behavioral compliance, outperforming prior tools on real student submissions.
citing papers explorer
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Checked Program Recovery from Execution Video: A Sound Oracle for Untrusted Generators
Vid2Prog recovers Scratch programs from execution videos via a sound oracle that certifies lens-equivalence with zero false accepts on 246 test pairs and 80% certificate rate for in-vocabulary cases while abstaining outside the vocabulary.
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SchedCheck: Schedule-Robustness Analysis for Event-Driven Block Programs
SchedCheck performs partial-order exploration over dependence-equivalence classes of schedules on the Scratch VM to detect and localize schedule-sensitive behaviors, reporting 17-21% of real concurrent projects affected.
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Certificate-Carrying Transformation of Event-Driven Block Programs
A certificate-carrying rewriting system for Scratch-like languages uses a trusted checker to verify optimizer rewrites by recomputing preservation conditions, with a Lean-mechanized cooperative-frame refinement theorem covering multiple state families and 94.3% acceptance on 300 projects.
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Fixed-Set Robustness in Programming by Example: Example Corruption and Semantic Partition Recovery
The paper formalizes fixed-set worst-case corruption in PBE, implements corruption searches on a string DSL, and shows VPA recovers some margin-1 tasks but fails on public SyGuS where vote margins are near one.
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Do Recommendation Algorithms Work When Users Are LLM Agents? A Case Study on Moltbook
On the Moltbook platform populated by LLM agents, popularity-based and item-side collaborative filtering methods outperform user-representation techniques for predicting next forum engagement.
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Raven: Rethinking Automated Assessment for Scratch Programs via Video-Grounded Evaluation
Raven automates Scratch program assessment by having instructors specify task-level video generation rules and using LLMs to analyze resulting videos for behavioral compliance, outperforming prior tools on real student submissions.