[] (; ) using software to look at large amounts of information that has been collected on a computer and find new patterns, etc. 数据挖掘（技术）◆Credit-card companies can use data mining to detect fraud, by looking for unusual spending patterns. 利用数据挖掘技术信用卡公司可以通过查询不正常的开销模式来发现欺诈行为。