Big data, Hadoop, unstructured data, NoSQL, data architecture, and analytics news, analysis, trends, and research from Database Trends and Applications magazine.

View tables and maps of shooting, robbery, car theft, burglary and other crimes for all of Baltimore, individual neighborhoods or even your own block.

Bollinger Bands aid investors by indicating market volatility using standard deviations around a 20-day moving average, helping identify overbought and oversold signals.