报告题目：Multi-query SQL Progress Indicators

报 告 人：李一水

报告时间：2016年04月20日（周三）下午 2:30

报告地点：贵州大学北校区博学楼603室

报告内容摘要：    

In this paper, they explore a multi-query progress indicator, which explicitly considers

concurrently running queries and even queries predicted to arrive in the future when producing its estimates.

报告题目：BigDansing: A System for Big Data Cleansing

报 告 人：韩文彪

报告时间：2016年04月20日（周三）下午 2:30

报告地点：贵州大学北校区博学楼603室

报告内容摘要：   

Data cleansing approaches have usually focused on detecting and fixing errors with little attention to scaling to big datasets. Big Data Cleansing system to tackle efficiency, scalability, and ease-of-use issues in data cleansing BigDansing takes the data quality rules into a series of transformations that enable distributed computations and several optimizations.