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cs.DB2024
Ranked Enumeration for Database Queries
Nikolaos Tziavelis, Wolfgang Gatterbauer, Mirek Riedewald
Ranked enumeration is a query-answering paradigm where the query answers are returned incrementally in order of importance (instead of returning all answers at once). Importance is…
cs.DB2024
Synthesizing Scoring Functions for Rankings Using Symbolic Gradient Descent
Zixuan Chen, Panagiotis Manolios, Mirek Riedewald
Given a relation and a ranking of its tuples, but no information about the ranking function, we are interested in synthesizing simple scoring functions that reproduce the ranking.…