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Logic and Algorithms In Database Theory and AI9th Annual Simons Institute Industry Day2023-11-02
Frames a database as a collection of hypergraph databases and maps concrete problems — triangles as conjunctive queries, APSP as a recursive logical query — to…
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Query Optimization and Evaluation 1: Output Size Bounds and Information TheoryLogic and Algorithms in Database Theory and AI Boot Camp2023-08-21
Covers how to turn degree statistics into provable output-size upper bounds using information theory and linear programming, then links those bounds to…
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Query Optimization and Evaluation 2: Worst-Case Optimal Join AlgorithmsLogic and Algorithms in Database Theory and AI Boot Camp2023-08-21
Three classes of worst‑case approaches appear: JAAT, VAAT, IAAT (join‑at‑a‑time, variable‑at‑a‑time, inequality‑at‑a‑time). The paper proves VAAT meets the…
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Query Optimization and Evaluation 3: Variable Elimination and Tensor DecompositionLogic and Algorithms in Database Theory and AI Boot Camp2023-08-21
Introduces a concrete plan: represent aggregation as sum-product queries, build a compact intermediate (factorized/tensor) representation via variable…
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The Design and Evaluation of a Mobile System for Rapid Diagnostic Test InterpretationUbiComp 20212021-09-21
A smartphone app called RDTScan guides users with real-time feedback (brightness, blur, position) and captures RDT images without hardware attachments, using…
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