Covers of query results

We introduce succinct lossless representations of query results called covers that are subsets of these results, yet allow for constant-delay enumeration of all result tuples. We first study covers whose structures are given by hypertree decompositions of join queries. For any join query, we give a...

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Bibliographic Details
Main Authors: Kara, A, Olteanu, D
Format: Conference item
Published: Schloss Dagstuhl 2018