Questions: American Express is admired in the industry for its expertise in locating knowledge from its databases of customer credit card expenditures using a process known as data mining record analysis trace evidence process analysis

The answer is data mining.

Data mining is the process of discovering patterns and knowledge from large amounts of data. The data sources can include databases, data warehouses, the internet, and other data repositories. American Express uses data mining to analyze customer credit card expenditures to gain insights and make informed decisions.

Record analysis involves examining records to extract useful information. While it is a useful technique, it is not specifically the process used by American Express for analyzing large databases of customer expenditures.

Trace evidence is a term used in forensic science to refer to small pieces of evidence that can be used to link a suspect to a crime. This term is not relevant to the context of analyzing customer credit card expenditures.

Process analysis involves examining the steps involved in a process to understand how it works and to identify areas for improvement. While it is a valuable technique in various fields, it is not the specific process used by American Express for analyzing customer expenditure data.