Your results contain 4 solutions with the following criteria :

Big Data
Solution Smile rating Users rating Popularity
Hadoop Hadoop 4.3 Smile 3.9 Visitors
64%   Popularity on the site
Hive Hive 4.5 Smile 3.2 Visitors
22%   Popularity on the site
Pig Pig 4.2 Smile No rating
14%   Popularity on the site
sqoop Sqoop 4.2 Smile No rating
15%   Popularity on the site