Data Licensing MLS (Multiple Listing Service)

Data Exchange Method (DxM) – Not a New Concept

One of the difficulties in aggregating MLS data in 1996 (and today), was the fact that there are so many different data fields, and sometimes the same field may be identified by a different label, depending upon which MLS one belongs to (a bathroom may be labeled BA or BTH as an example). The proposed solutionby RIN and RIN’s Technology Partner, Booz Allen Hamilton (BAH – the same BAH  involved in the Snowden NSA leak case) was something known as DxM – Data Exchange Method. DxM was a “data dictionary.” Interestingly, in recent communications from RETS/RESO, DxM has new life today. The below, New Dimensions, has Jim Sherry’s take at the time.

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