Tuesday, August 25, 2015 11:48AM IST (6:18AM GMT) (BW)(PACIFIC-CONTROLS) Pacific Controls Acquires Equity in WSO2 Positioning Itself as a Global Leader in Delivering Managed Cloud Services Dubai, United Arab Emirates Pacific Control Systems (PCS), the world leader in Internet of Things (IoT) and machine-to-machine (M2M) solutions, announced that it has invested $20 million into WSO2, an open source cloud application development and middleware company.
In the context of the input sentence, determine the relationship between 'WSO2' and 'middleware'.
Options: publisher, industry, headquarters location, employer