This IDC Vendor Profile spotlights Attivio, a unified information access vendor. Attivio offers cloud-based and on-premises information access software, its Active Intelligence Engine (AIE), that combines search and business intelligence features. AIE is built on Lucene-based universal index for flexibility, scalability, and agility. The company is privately held and founded by search industry veterans. This Vendor Profile is part of IDC's open source search series.