data miningUnstructured data is believed to account for more than 80 percent of useful organizational information and is one of the major sources of big data that firms want to analyze. Email, memos, call center transcripts, survey responses, legal cases, patentsentiment analysis descriptions, and service reports are all valuable for finding patterns and trends that will help employees make better business decisions.text miningTools that help businesses analyze data by extracting key elements from unstructured big data sets, discover patterns andonline analytical processing relationships, and summarize the information are called tools.I DON'T KNOW YET