Big Data was developed in order to analyze large data sets, which is out of scale for normal data warehousing. Analyzing such large data sets and generating knowledge
or insights is very valuable. There may be no group with more need for big data analytics and generated insights than the public sector.
The National Weather Service accumulates terabytes of data from sensors and satellites. Analyzing and creating insights from this data can be useful to the U.S.
government by helping them prepare for natural disasters like hurricanes and floods. Scientists can use the information generated to better understand global
warming and climate change.
Learning and creating knowledge or insights on crime trends will help law enforcement agencies. Using such knowledge they can reduce the frequency of
crimes happening in the city. Such sophisticated methods make police departments more effective.