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  3. CCKS2026-任务五:复杂约束条件下的文本属性抽取

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TianchiLLMAdvancedRegistration unverifiedRegistration unverified

CCKS2026-任务五:复杂约束条件下的文本属性抽取

Learners comfortable reading Chinese problem statements who want industry or algorithm challenges on Tianchi.

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Suggested next step

Decide whether this contest fits your current stage before you sink time into the leaderboard.

Beginner score

22/100

Higher means a safer real starting point for your current stage.

Learning value

76/100

Measures whether the competition teaches habits you can transfer elsewhere.

Estimated effort

20-50 hours

Use this to check whether the task fits your current time budget.

Metric

Official scoring is published on the Ti…

If you cannot explain this metric clearly yet, you probably still need a bit of prep.

Who this competition fits

Learners comfortable reading Chinese problem statements who want industry or algorithm challenges on Tianchi.

Official blurb (unedited)
近年来,NLP与LLM技术显著提升了信息抽取能力,但面对长文本、复杂语境及“对象-属性-词性”等多重约束时,模型常出现漏抽、误抽,难以满足真实需求。现有评测多聚焦单一或弱约束场景,缺乏系统评估。 为此,本届CCKS2026设立了统一评测任务——复杂约束条件下的文本属性抽取。任务将抽取对象、属性类型与词性要求有机结合,综合考察参赛系统在复杂约束下的语义理解、指令解析与信息抽取能力。 Official category: AI Large Model Competition (AI大模型赛). Official tags: 大语言模型, 自然语言处理, 微调大模型. Teams entered: 247.

Prep before joining

If the items below still feel unfamiliar, you usually get a better result by preparing first instead of rushing in.

Python basics

Transformer or LLM workflow basics

prompting or evaluation workflow

competition submission workflow

Where the real difficulty shows up

The real friction is usually not library usage. It is validation, time allocation, and task framing.

Task framing, data access, and evaluation details live mainly on the official page and may require careful reading.

Read this first

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 Competition

Your decision

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Status
Registration unverified
Registration
Registration unverified
Eligibility
Needs official confirmation
Event timeline
Event ends · Jul 16, 2026
Reward
CNY 20,000
Compute
Single GPU
Official metric
Official scoring is published on the Tianchi competition page.
Verification
Source page verified

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Rules, files, submission details, and the live deadline still come from the official page.

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Data and review state

Separate what is confirmed from what still needs review. Official rules and deadlines win — report anything that looks wrong.

Source page verifiedMetric confirmedReviewed
Source published
Apr 27, 2026
Published on this site
Jul 18, 2026

Official metric is not published on the Tianchi competition listing; scoring rules should be verified on the competition page.

reward_value_usd is a rough CNY→USD estimate (×0.14) for ranking only; use reward_summary for the official prize amount.

This record is a track under a Tianchi series competition; prize amounts may be series-level totals.