Selection of Crowd in Crowdsourcing for Smart Intelligent Applications: A Systematic Mapping Study

Table 3

Library-wise search based on title and contents.

Libraries	Title-wise selection	Content-wise selection
Hindawi	3	2
Wiley	3	3
ACM digital library	9	6
Springer	10	6
Taylor and Francis	14	8
IEEE	43	23
Science direct	57	33
Total	7	81