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DoTAT: A Domain-oriented Text Annotation Tool

Congratulations on this work being accepted to the ACL 2022 demo track!


Paper: (System Demonstration Papers NO.1)


Yupian Lin, Tong Ruan, Ming Liang, Tingting Cai, Wen Du, and Yi Wang. 2022. DoTAT: A Domain-oriented Text Annotation Tool. In Proceedings of the 60th Annual Meeting of the Association for Computational Linguistics: System Demonstrations, pages 1–8, Dublin, Ireland. Association for Computational Linguistics.


School of Information Science and Engineering, East China University of Science and Technology, Shanghai 200237, China


A Short Video Demo (简短的演示视频)

A Live Demo Website (在线使用网站)



An administrator account:





A typical annotation process using DoTAT may include the following five steps:

(1) Define annotation specifications: The administrator selects the annotation type andvisually defines event types, entity types, relation types or text categories in annotation specifications.

(2) Create and assign tasks: Administrator creates and assigns tasks. Each task contains anannotation specification and several raw texts. It is recommended that two annotators andone reviewer are assigned to each task.

(3) Annotate: Before the annotators interactively annotate events or entities, they can use automatic batch annotation to accelerate the speed. The event annotation interface of DoTAT contains event list panel (top) and annotation panel (bottom), as shown in the Figure: image

(4) Merge and Review: The reviewer starts consistency checking and automatic merging ofthe annotated content by multiple annotators. The reviewer can visually analyze the errors according to the merged events list. When there are too many similar errors, the reviewer can give feedback for administrator to re-definethe annotation specification. With iterative annotation function, all exsisting annotationscan be reused.

(5) Export results: After the review process, the annotated content can be exported by admin-istrator to a result file and saved in JSON format.

During the trial period, the user's task management rights and annotation specification management rights will be opened. You will need to contact us to apply for the administrator account in the future.

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欢迎进行学术交流, 如需合作请发送邮件(e-mail)到[email protected]




Back-end 后端代码地址[暂不开放]:


如果是本地部署的前端服务,可以将请求访问URL改为目前开放的后端接口(Back-end API):

Development Guide

(1) clone the project: git clone

(2) enter the project directory: cd MarkTool

(You may need nodejs/npm v8. You can use the nvm to control the version of nodejs/npm.)

(3) install dependency: npm install

(4) develop: npm run dev

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