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Dan Olteanu

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titleconferencedate
Functional collection programming with semi-ring dictionariesOOPSLA 20232023-10-23
A new intermediate language implements semi-ring dictionaries and a statically typed DSL SDQL that represents sets, multisets, vectors, matrices and sparse…
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Incremental View Maintenance 1Logic and Algorithms in Database Theory and AI Boot Camp2023-08-21
Presents a concrete maintenance strategy for triangle queries that splits each relation into heavy/light partitions, materializes a few pairwise joins as…
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Incremental View Maintenance 2Logic and Algorithms in Database Theory and AI Boot Camp2023-08-21
Shows which conjunctive queries admit true constant-time single-tuple updates and constant enumeration delay: q-hierarchical queries do, and queries that…
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A Dichotomy for Queries with Negation in Probabilistic DatabasesUncertainty in Computation 20162016-10-04
Proves a dichotomy for nonrepeating relational-algebra queries with set difference over tuple‑independent probabilistic databases: either evaluation is…
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