Users’ Interests Mining
access requirements of users
Internet users’ behaviors
Internet users with social-affective motive
injection drug users IDUs
injection drug users
静脉吸毒人群
注射吸毒者
吸毒人群
静脉注射吸毒者
静脉毒瘾者
Industrial users (see also Industrial market)
indentify users’ requirements
HIV-positive injection drug users
Graphics users interface
Graphic users interface GUI