In recent months, LDC has developed a web-based annotation infrastructure centered around a tree model of annotations and a Ruby on Rails application called the LDC User Interface (LUI). The effort aims to centralize all annotation into this single platform, which means annotation is always available remotely, with no more software required than a web browser. While the design is monolithic in the sense of handling any number of annotation projects, it is also scalable, as it is distributed over many physical and virtual machines. Furthermore, minimizing customization was a core design principle, and new functionality can be plugged in without writing a full application. The creation and customization of GUIs is itself done through the web interface, without writing code, with the aim of eventually allowing project managers to create a new task without developer intervention. Many of the desirable features follow from the model of annotations as trees, and the operationalization of annotation as tree modification.
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机译：在最近几个月中，LDC开发了一个基于Web的注释基础结构，该基础结构围绕注释的树模型和称为LDC用户界面（LUI）的Ruby on Rails应用程序。这项工作旨在将所有注释集中到该单一平台中，这意味着注释始终可以远程使用，不需要比Web浏览器更多的软件。尽管该设计在处理任何数量的批注项目的意义上是整体的，但由于它分布在许多物理和虚拟机上，因此它也是可伸缩的。此外，最小化自定义是核心设计原则，无需编写完整的应用程序即可插入新功能。 GUI的创建和自定义本身是通过Web界面完成的，而无需编写代码，目的是最终允许项目经理在无需开发人员干预的情况下创建新任务。许多可取的特征都来自于注释模型（如树）和注释的可操作性（如树修改）。
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