Beginner score
55/100
Competition workspace
适合有中文自然语言处理和抽取式阅读理解经验的人，尤其是能从民航出行相关网页段落中定位答案文本跨度的参赛者。也适合能够处理一个问题对应多个、且分布在不同段落中的答案片段的开发者。
Suggested next step
Decide whether this contest fits your current stage before you sink time into the leaderboard.
Beginner score
55/100
Learning value
58/100
Estimated effort
10-30 hours
Metric
Official scoring is published on the Ba…
适合有中文自然语言处理和抽取式阅读理解经验的人，尤其是能从民航出行相关网页段落中定位答案文本跨度的参赛者。也适合能够处理一个问题对应多个、且分布在不同段落中的答案片段的开发者。
Taken from the competition's official page.
Baseline model for participants to reference and improve
Technical discussion group for participant communication
Organiser staff regularly answer questions in the group
If the items below still feel unfamiliar, you usually get a better result by preparing first instead of rushing in.
中文阅读理解建模
抽取式问答
文本跨度定位
多答案预测
JSON Lines 文件生成
F1 评估实现
The real friction is usually not library usage. It is validation, time allocation, and task framing.
难点在于细粒度地输出原文中的连续答案片段，并准确给出其文章路径、字符位置和答案类型；部分问题还要求组合多个片段。评分会对预测片段与标注片段的重合度计算 F1，因此边界定位偏差会直接影响成绩。
This guide is the best pre-read if you want a cleaner start instead of trial-and-error.
A simple framework for choosing a competition that teaches instead of overwhelming you.
How to Choose Your First AI CompetitionUse these fields to make a quick decision before you dive deeper.
Registration is unverified; confirm availability on the official page before investing.
Sign in to save competitions and build your own shortlist.
Rules, files, submission details, and the live deadline still come from the official page.
These competitions share a similar domain or difficulty level.
Separate what is confirmed from what still needs review. Official rules and deadlines win — report anything that looks wrong.
Official metric is not published on the Baidu AI Studio competition listing; verify scoring on the competition page.