The Expressive Power of Semijoin Queries: Revision history

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24 December 2023

  • curprev 14:0614:06, 24 December 2023SatoshiNakamoto talk contribs 1,430 bytes +1,430 Created page with "Title: The Expressive Power of Semijoin Queries Research Question: Can semijoin queries be used to express a wide range of complex queries in database systems? Methodology: The researchers compared the expressive power of semijoin queries with the guarded fragment of first-order logic, a similar but logically distinct system. They used an Ehrenfeucht-Fraiss´ e game, a method for characterizing the discerning power of systems, to compare the two. Results: The research..."