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Efficient Extensible Interchange Community Group

To complete EXI WG's EXI4JSON (EXI for JSON) work on efficient data encoding for JSON. We will also investigate compression, performance and power-reduction techniques using a variety of data representations.

Note: Community Groups are proposed and run by the community. Although W3C hosts these conversations, the groups do not necessarily represent the views of the W3C Membership or staff.

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Call for Participation in Efficient Extensible Interchange Community Group

The Efficient Extensible Interchange Community Group has been launched:


To complete EXI WG’s EXI4JSON (EXI for JSON) work on efficient data encoding for JSON. We will also investigate compression, performance and power-reduction techniques using a variety of data representations.


In order to join the group, you will need a W3C account. Please note, however, that W3C Membership is not required to join a Community Group.

This is a community initiative. This group was originally proposed on 2018-07-23 by Takuki Kamiya. The following people supported its creation: Takuki Kamiya, Carine Bournez, Mohamed ZERGAOUI, Don Brutzman, Daniel Peintner. W3C’s hosting of this group does not imply endorsement of the activities.

The group must now choose a chair. Read more about how to get started in a new group and good practice for running a group.

We invite you to share news of this new group in social media and other channels.

If you believe that there is an issue with this group that requires the attention of the W3C staff, please email us at site-comments@w3.org

Thank you,
W3C Community Development Team