# GESMES/TS

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**GESMES/TS** (**generic statistical message for time series**) is a [data model](/source/Data_model) and message format appropriate for performing standardised exchange of [statistical data](/source/Statistics) and related [metadata](/source/Metadata). It is based on the GESMES message (a [UN/CEFACT](/source/UN/CEFACT) standard using the [EDIFACT](/source/EDIFACT) syntax). Its most common use is in the exchange of official statistics.

The data model is optimised to represent multi-dimensional arrays of [floating point](/source/Floating_point) numerical data where one dimension is time. The essential [design pattern](/source/Design_pattern_(computer_science)) resembles a [star schema](/source/Star_schema). GESMES/TS promotes automation by its ability to explicitly declare the [dimensions](/source/Dimension_(data_warehouse)) and allowable [metadata](/source/Metadata) fields in a standardised way. Software can then translate these declarations into a [database schema](/source/Database_schema) suitable to hold the multi-dimensional data. This mechanism makes GESMES/TS versatile enough for efficient use in many domains.

The initial name of GESMES/TS was GESMES/CB (generic statistical message for central banks), but has been changed in order to reflect its wider application. The model and format are maintained under the auspices of the [SDMX](/source/SDMX) initiative. In this context, GESMES/TS is known as *SDMX-EDI*.

## References

- [SDMX](http://www.sdmx.org/) initiative.
- [SDMX-EDI](https://sdmx.org/?page_id=5008)
- [A UML Model](http://www.unece.org/stats/documents/ces/sem.47/22.e.pdf)
- [GESMES](https://circabc.europa.eu/webdav/CircaBC/ESTAT/eeg6/Information/en/eg6info.htm#WG1) (developed by the EBES EG6 WG1 Group)
- [GESMES/TS](http://www.ecb.europa.eu/stats/ecb_statistics/co-operation_and_standards/sdmx/) and SDMX on the web site of the European Central Bank
- [The OECD statistical glossary](http://stats.oecd.org/glossary/) (entry: “GESMES”)

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Adapted from the Wikipedia article [GESMES/TS](https://en.wikipedia.org/wiki/GESMES%2FTS) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/GESMES%2FTS?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.