Renmin University researchers present a comprehensive survey of sampling- and sketch-based algorithms for distinct value estimation in big data, offering insights to accelerate database queries, ...

Top Twitch streamers by follower count: See the list. See who has the most-followed accounts.

Read full-text medical journal articles from Medscape's Medscape Medical News.

S&P 500 Market Movers. Find the S&P 500 hot stocks to buy today. S&P 500 Top market gainers and losers today.