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Table 2 Overview of the query features.

From: Gauging triple stores with actual biological data

  Simple Filters More than 8 triple patterns OPTIONAL operator LIMIT modifier ORDER BY modifier DISTINCT modifier REGEX operator UNION operator COUNT operator
Q1       x    
Q2         x  
Q3 x x x    x x   
Q4          
Q5          
Q6          
Q7 x       x   
Q8       x    
Q9 x         
Q10 x x     x x   
Q11          
Q12         x  
Q13   x x    x   x  
Q14      x     
Q15          
Q16          
Q17       x    x
Q18 x x    x   x x  
Q19       x   x x
Q20       x    x
Q21       x    x
Q22          
Q23          
Q24 x    x    x   
  1. The selected 24 queries (Q1 through Q24) were used to evaluate the triple stores' responsiveness with respect to various query features. The table shows the full set of queries and the features used therein.