Table 2.
Usage of query operators and special characters (June 11-May 13).
| Personal computers | Smart device | ||||
| QwoR % | QwR % | QwoR % | QwR % | ||
| Number of operators | |||||
|
|
0 | 90.08 | 97.35 | 90.23 | 96.53 |
| >0 | 9.92 | 2.65 | 9.77 | 3.47 | |
| Query operators usage | |||||
|
|
AND | 78.96 | 86.53 | 82.01 | 85.05 |
| + | 11.24 | 4.37 | 6.29 | 3.08 | |
| OR | 6.95 | 5.20 | 8.74 | 6.78 | |
| & | 2.63 | 1.42 | 2.57 | 1.28 | |
| Other | 0.24 | 2.49 | 0.40 | 3.82 | |
| Special characters | |||||
|
|
0 | 89.02 | 95.66 | 90.54 | 96.72 |
| >0 | 10.98 | 4.34 | 9.46 | 3.29 | |
| Spelling mistake | |||||
|
|
0 | 68.21 | 87.47 | 69.07 | 87.88 |
| >0 | 31.80 | 12.54 | 30.94 | 12.12 | |