Organised Editing/Activities/Facebook

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About our team

The mapping team at FB is working to improve the data quality in OpenStreetMap (OSM), the free wiki world map built by a community of mappers that contribute and maintain data all over the world. Our goal is to collaborate with the OSM community to create quality data validated by trained mappers and local OSM communities. We perform various editing projects such as AI-Assisted Road Tracing, vandalism and profanity cleanup, and MapRoulette Challenges. Please check out and our Facebook OSM Data Team GitHub page for more information about our projects. For any other questions, please send an email to

Map editing contributions

AI-Assisted Road Tracing

Since 2017, Facebook has been running a project to perform AI-Assisted Road Tracing within OpenStreetMap. The project has included road tracing in Thailand, Indonesia, Malaysia, Vietnam, India, and Tanzania.

Multipolygon Relations Cleanup

Multipolygons are a type of relation that are vital for displaying complex geometry. These relations are often unintentionally broken in the course of mapping which can lead to prominent features failing to render on the map. Our team gathers a list of multipolygon relations that cannot currently render and perform fixes using JOSM. Relations cleanup edits are given the following hashtag: #RelationsCleanup


Profanity Cleanup

This project uses a Facebook internal profanity detection model to identify profanity on name labels. A human review process is conducted on detected features to determine if the name is in fact profanity. Submission of name label fixes are performed based on manual review results. Profanity Cleanup edits are given the following hashtag: #ProfanityCleanup

Changeset examples:


Vandalism Cleanup

This project uses an internal detection model to identify vandalism candidates. A human review process is conducted on detected features to determine if the feature has in fact been vandalized. Submission of vandalized feature fixes are performed based on manual review results. Vandalism Cleanup edits are given the following hashtag: #VandalismCleanup

Changeset examples:



Our team reviews numerous edits by using OSMCha and osm-compare detection rules to help improve OSM data quality. Mappers analyze the flagged features and determine if a fix is needed. Critical changesets flagged by mappers within the community are also reviewed. OSMCha edits are given the following hashtag: #OSMCha

Here are some of the issues/flagged reasons we commonly focus on:

  • large-building
  • Dragged highway_waterway
  • pokemon_edits


Our team contributes to various MapRoulette challenges to help improve OpenStreetMap data.

Atlas Checks

We use Atlas Checks to validate potential map data issues in specific regions. Changesets contributed to OSM through Atlas Checks detections are given the following hashtag: #AtlasChecks.

For an up-to-date list and explanation of individual checks, please visit the Atlas Check github.

Editing Guidelines

The mapping team at Facebook edits OSM by following the rules and guidelines that apply to the OpenStreetMap community. Local knowledge and communication are paramount. When in doubt, our mappers will leave a changeset comment and post a question on communication channels such as telegram, Slack, or in the OSM forums, if needed. For any feedback and questions, please send an email to

Mapping Team

Current Mappers

Name Username Role Link
Zvone RVR001 Validator
Jeff RVR002 QA
Yunzhi RVR004 QA
Charmaine RVR012 QA
Dylan VLD032 Mapper
Katherine VLD035 Validator
Olympia VLD036 Mapper
Jesspher VLD062 Mapper
Ming VLD066 Mapper
Jacob VLD067 Mapper
Ryan VLD071 Mapper
Christopher VLD073 Mapper
Michael VLD075 Mapper
Gwendolyn VLD082 Mapper
Julia VLD083 Mapper
Joshua VLD085 Mapper
Hector VLD087 Mapper
Je-Ni VLD093 Mapper
Amin VLD094 Mapper
Kayla VLD096 Mapper
Matthew VLD097 Mapper
Harish VLD103 Mapper
Anil VLD106 Mapper
Narendar VLD109 Mapper
Chandana VLD110 Mapper
Devender VLD111 Mapper
Nashithuddin VLD113 Mapper
Lavu VLD114 Mapper
Regu VLD116 Mapper
Samba VLD117 Mapper
Kolluri VLD118 Mapper
Dinesh VLD120 Mapper
Ponnaboina VLD121 Mapper
Seelam VLD122 Mapper
Aadi Bhanu VLD123 Mapper
Naveen VLD125 Mapper
Gunapati VLD126 Mapper
Chittipolu VLD131 Mapper
Mahesh VLD132 Mapper
Jammula VLD133 Mapper
Shubham VLD134 Mapper
Meka VLD135 Mapper
Venkata VLD136 Mapper
Ashok VLD139 Mapper
Saicharan VLD140 Mapper
Soundarya VLD141 Mapper
Rampeesa VLD142 Mapper
Gumpili VLD143 Mapper
Abdul VLD144 Mapper
Vishal VLD145 Mapper
Bokam VLD146 Mapper
Satendra VLD147 Mapper
Manish VLD148 Mapper
Surendra VLD149 Mapper
Jami VLD151 Mapper
Brenna VLD152 Mapper
Chris VLD154 Mapper
Ethan VLD155 Mapper
Callista VLD157 Mapper
Mark VLD158 Mapper
Anthony VLD159 Mapper
Kohl VLD160 Mapper
Elisa VLD161 Mapper
Christopher VLD162 Mapper
Vladimir VLD163 Mapper
Meng VLD164 Mapper
Yemi VLD165 Mapper
Jordan VLD166 Mapper
Elliot VLD167 Mapper
Brian VLD168 Mapper
Matt VLD170 Mapper
Robert VLD171 Mapper
Irah VLD172 Mapper
Abigail VLD174 Mapper
Shradha VLD200 Team Lead
Mourya VLD201 Validator
Pulumamidi VLD202 Validator
Madduluri VLD203 Validator
Rasamalla VLD204 Validator
Neela VLD205 Validator
Saisharath VLD206 Validator
Arusula VLD207 Mapper
Oraganti VLD208 Mapper
Madagoni VLD209 Mapper
P.Ravi VLD210 Mapper
Sravan VLD211 Mapper
Malka VLD212 Mapper
Vasireddy VLD213 Mapper
Marupally VLD214 Mapper
Darji VLD215 Mapper
Konda VLD216 Mapper
Mir VLD217 Mapper
Priya VLD218 Mapper
Ramanyam VLD219 Mapper
Jaddu VLD220 Mapper
Syam VLD221 Mapper
Shrirame VLD222 Mapper
Harika VLD223 Mapper
Ramya VLD224 Mapper
B. Navya VLD225 Mapper
Pavirala VLD226 Mapper
Sachin VLD227 Mapper
Aneesha VLD228 Mapper
Ravali VLD229 Mapper
Shivanl VLD230 Mapper
Roshini VLD231 Mapper
Kavita VLD250 Editor
Deepak VLD251 Editor
Kambalapally VLD252 Editor
Ajay VLD253 Editor
Shubham VLD254 Editor
Gaurav VLD255 Editor
Neeraj VLD256 Editor
Md. Nurul VLD257 Editor
Shyam VLD258 Editor
Sujeet VLD259 Editor
Vikas VLD260 Editor
Yashwanti VLD261 Editor
Rayagiri VLD262 Editor
Vodapelly VLD263 Editor
Akhila VLD264 Editor

Sub-contracted Teams

Humanitarian OpenStreetMap Team (HOT)

To assist in our mapping process, we have subcontracted HOT employees from Jakarta and Dar Es Salaam. The team is comprised of:

Name Username Role Link
Adiatma Adiatma IRM-RV Team Lead
Akrimullah Akrimullah IRM-RV QA
Ficky Ficky IRM-ED QA
Arma Arma IRM-ED QA
Riyadi Riyadi IRM-ED QA
Aglis Aglis IRM-ED Mapper
Anisa Anisa IRM-ED Mapper
Diah Diah IRM-ED Mapper
Diana Diana IRM-ED Mapper
Elisabeth Elisabeth IRM-ED Mapper
Elyana Elyana IRM-ED Mapper
Fadlilaa Fadlilaa IRM-ED Mapper
Fanny Fanny IRM-ED Mapper
Fauzan Fauzan IRM-ED Mapper
Haris Haris IRM-ED Mapper
Irma Irma IRM-ED Mapper
Miftah Miftah IRM-ED Mapper
Qomar Qomar IRM-ED Mapper
Rizky Rizky IRM-ED Mapper
Talitha Talitha IRM-ED Mapper
Tantri Tantri IRM-ED Mapper
Tonny tonny john_importacccount Team Lead
Aron Aron Martin_ImportAccount QA
Christina Christina Reuben_ImportAccount QA
Dorice Dorice lucas_ImportAccount QA
Neema NeemaAlphonce_ImportAccount QA
Abou Abou kachongo jr_ImportAccount Mapper
Asibwene asibwene_ImportAccount Mapper
Catherine CatherineG_ImportAccount Mapper
Charles charles Frank_ImportAccount Mapper
Damon Damon Monyo-ImportAccount Mapper
Furaha Furaha L Mrema_ImportAccount Mapper
Godfrey H Godfrey Hussein_ImportAccount Mapper
Jamal JAMAL AMANI_ImportAccount Mapper
Nuru NURU ATHUMANI_ImportAccount Mapper
Samwel Samwel Kyando_ImportAccount Mapper
Alpha Alpha Ndahoze_ImportAccount Mapper
William B WillliamBonya_ImportAccount Mapper
William WilliamMponeja_ImportAccount Mapper
Zaituni ZaituniAwadhi_ImportAccount Mapper
Zaina Zaina Rashidi_ImportAccount Mapper

Inactive users

Name Username Link
Adam Adam IRM-ED
Aude Aude IRM-ED
atmahadi atmahadi IRM-ED
Dary Dary IRM-ED
Dennis Dennis IRM-ED
Deo Deo IRM-ED
Diah Suci Diah Suci IRM-ED
Fatri Fatri IRM-ED
Fathin Fathin IRM-ED
Hanif Hanif IRM-RV
Iko Iko IRM-ED
Irwan Irwan IRM-ED
Muty Muty IRM-ED
Ratry Ratry IRM-ED
Silvia Silvia IRM-ED
Wulan Wulan IRM-RV
Yeni Yeni IRM-RV
Zainab Zainab IRM-ED
Dorica doricamugusi_ImportAccount
Edger Edger_ImportAccount
Godfrey F Godfrey Faustine_ImportAccount
Erasto ERASTO ELIUD_ImportAccount
Gwantwa Gwantwa_Andrew_ImportAccount
Janet janethmlinga_ImportAccount
Mariamu Mariamu Crispo_ImportAccount
David RVR003
Adrian RVR005
Stefani RVR006
Mohamed RVR007
Sam RVR009
Jaclyn VLD001
Annie VLD002
Alexandra VLD003
Sheffield VLD004
Mei VLD005
Joseph VLD006
Kurt VLD007
Pablo VLD008
Yoko VLD009
Klavdija VLD010
Michael VLD011
Paris VLD012
Kailei VLD013
Jen VLD014
Joseph VLD015
Gemma VLD016
Lena VLD018
Elizabeth VLD019
Alayna VLD025
Louis VLD027
Ismael VLD028
Savanna VLD033
Christina VLD034
Jacob VLD039
Jonathan VLD042
Casey VLD044
Elena VLD050
Linzi VLD053
Ryan VLD054
Yonis VLD055
Luxinaree VLD056
Katalin VLD057
John VLD058
Nick VLD059
Guowei VLD063
Derrick VLD070
Johanna VLD078
Ashley VLD088
Rena VLD017
Tina VLD020
Ian VLD023
Maureen VLD026
Sophie VLD030
Rowen VLD040
Mike VLD041
Haley VLD043
Brady VLD045
Lewei VLD076
Andre VLD077
Henry VLD080
Tukui VLD090
Yanitza VLD092
Teesta VLD124
Nayani VLD127
Madduluri VLD129
Srinivas VLD130
Adabala VLD138
Joanna VLD150
Joseph VLD238
Anusha VLD239
Ramya VLD240
Nitish VLD241
Harish VLD242
Moumita VLD243
Nagaraju VLD244
Steve VLD089
Jackson VLD173