单选与多选

单选和多选标注类型。

单选与多选

单选按钮和多选复选框是分类任务中最常见的标注类型。

单选按钮

当标注者应选择恰好一个选项时使用单选按钮。

基本配置

yaml

annotation_schemes:
  - annotation_type: radio
    name: sentiment
    description: "Select the sentiment of this text"
    labels:
      - Positive
      - Negative
      - Neutral

带键盘快捷键

添加键盘快捷键以加快标注速度：

yaml

annotation_schemes:
  - annotation_type: radio
    name: sentiment
    description: "Select the sentiment"
    labels:
      - Positive
      - Negative
      - Neutral
    keyboard_shortcuts:
      Positive: "1"
      Negative: "2"
      Neutral: "3"

带工具提示

为每个选项提供额外的上下文：

yaml

annotation_schemes:
  - annotation_type: radio
    name: sentiment
    description: "Select the sentiment"
    labels:
      - Positive
      - Negative
      - Neutral
    tooltips:
      Positive: "The text expresses happiness, satisfaction, or approval"
      Negative: "The text expresses sadness, anger, or disapproval"
      Neutral: "The text does not express strong emotion"

多选

当标注者可以选择多个选项时使用多选。

基本配置

yaml

annotation_schemes:
  - annotation_type: multiselect
    name: topics
    description: "Select all topics that apply"
    labels:
      - Politics
      - Sports
      - Technology
      - Entertainment
      - Science

带最少/最多选择限制

约束选择数量：

yaml

annotation_schemes:
  - annotation_type: multiselect
    name: topics
    description: "Select 1-3 topics"
    labels:
      - Politics
      - Sports
      - Technology
    min_selections: 1
    max_selections: 3

样式选项

水平布局

水平而非垂直显示选项：

yaml

annotation_schemes:
  - annotation_type: radio
    name: rating
    labels:
      - "1"
      - "2"
      - "3"
      - "4"
      - "5"
    display: horizontal

自定义颜色

为标签分配颜色：

yaml

annotation_schemes:
  - annotation_type: radio
    name: sentiment
    labels:
      - Positive
      - Negative
      - Neutral
    label_colors:
      Positive: "#22c55e"
      Negative: "#ef4444"
      Neutral: "#6b7280"

最佳实践

保持标签简洁 - 使用简短、清晰的标签名称
使用键盘快捷键 - 显著加快标注速度
为含糊的标签添加工具提示 - 有助于确保一致性
限制选项数量 - 过多的选择会减慢标注者的速度
按逻辑排列 - 最常见的选项放在前面，或按字母顺序排列