Palantir’s software is used by the Recovery Accountability and Transparency Board to detect and investigate fraud and abuse in the American Recovery and Reinvestment Act. Specifically, the Recovery Operations Center (ROC) used Palantir to integrate transactional data with open-source and private data sets that describe the entities receiving stimulus funds.[clarification needed][1] Other clients as of 2019 included Polaris Project,[62] the Centers for Disease Control and Prevention, the National Center for Missing and Exploited Children,[36] the National Institutes of Health,[63] Team Rubicon,[64] and the United Nations World Food Programme.[65]