Excitons are pairs of bound negatively charged electrons and positively charged holes that form in semiconductors, enabling ...

from sqlglot import parse_one sql='''SELECT 1 FROM ( SELECT 1 ) AS t1( c ), (SELECT (SELECT 1 FROM (FROM ( SELECT 1 ) AS t2( c ), (SELECT t2.c AS c0, t1.c AS c1 ...

A team of researchers from the Kavli Institute for Theoretical Sciences, China, have developed a new framework for modelling strongly correlated topological insulators A material's band structure can ...

Correlated scalar subquery that uses count (x) aggregation is evaluated the same as count (1) and produces wrong results when 'x' has null values.

Abstract: Collaborative filtering (CF) models have demonstrated remarkable performance in recommender systems, which represent users and items as embedding vectors. Recently, due to the powerful ...

Department of Biological Sciences, Vanderbilt University, Nashville, Tennessee 37240-0002, United States Center for Structural Biology, Vanderbilt University, Nashville, Tennessee 37240-7917, United ...