…covering everything which includes the word "data" or
"information" Data quality is not option any more, since
businesses rely on accurate information for various purposes
such as running their transactional systems where multiple
systems source data from the same system, analysis, regulatory
reporting etc. There are many tools out there which can help
cleanse the data, match and merge it to remove duplications and
therefore help reduce storage space and data anomalies. Matching
and merging capabilities are either bundled into data quality
tools or MDM products. Although there are various aspects in
which they try to distinguish each other and vary in capability,
the main three aspects which these tools compete against are
Although lots of algorithms have been developed, these can be
classified into the following categories: The following sections
will explain each algorithm in more detail. This is based on a
predictable comparison technique where each attribute in one
record is compared each attribute in an