A Big Data Processing Framework OTier I(data bases Big Data computing platform focusing on distributed. decentralized, low-level data accessing and computing OTier Il(expert systems ) Information sharing and privacy, and application domains, with high level semantics, application domain knowledge, user privacy issues O Tier III: Data mining: Knowledge discoveryA Big Data Processing Framework ⚫Tier I (databases): Big Data computing platform, focusing on distributed, decentralized, low-level data accessing and computing. 22 ⚫Tier II (expert systems): Information sharing and privacy, and application domains, with • high level semantics, • application domain knowledge, • user privacy issues. ⚫Tier III : Data mining: Knowledge discovery