CoNLL2003

Overview

CoNLL-2003 is a classic Named Entity Recognition (NER) benchmark introduced at the Conference on Computational Natural Language Learning 2003. It contains news articles annotated with four entity types.

Task Description

Task Type: Named Entity Recognition (NER)
Input: Text with entities to identify
Output: Entity spans with type labels
Entity Types: Person (PER), Organization (ORG), Location (LOC), Miscellaneous (MISC)

Key Features

Standard NER benchmark with well-defined entity types
News domain text with high annotation quality
Four entity categories with clear definitions
Supports few-shot evaluation
Comprehensive metrics (precision, recall, F1, accuracy)

Evaluation Notes

Default configuration uses 5-shot evaluation
Metrics: Precision, Recall, F1 Score, Accuracy
Train split: train, Eval split: test
Entity types mapped to human-readable names

Properties

Property	Value
Benchmark Name	`conll2003`
Dataset ID	extraordinarylab/conll2003
Paper	N/A
Tags	`Knowledge`, `NER`
Metrics	`precision`, `recall`, `f1_score`, `accuracy`
Default Shots	5-shot
Evaluation Split	`test`
Train Split	`train`

Data Statistics

Metric	Value
Total Samples	3,453
Prompt Length (Mean)	2733.98 chars
Prompt Length (Min/Max)	2663 / 3275 chars

Sample Example

Subset: default

{
  "input": [
    {
      "id": "c8d2b130",
      "content": "Here are some examples of named entity recognition:\n\nInput:\nEU rejects German call to boycott British lamb .\n\nOutput:\n<response><organization>EU</organization> rejects <miscellaneous>German</miscellaneous> call to boycott <miscellaneous>Briti ... [TRUNCATED] ... include explanations, just the tagged text.\n6. If entity spans overlap, choose the most specific entity type.\n7. Ensure every opening tag has a matching closing tag.\n\nText to process:\nSOCCER - JAPAN GET LUCKY WIN , CHINA IN SURPRISE DEFEAT .\n"
    }
  ],
  "target": "<response>SOCCER - <location>JAPAN</location> GET LUCKY WIN , <person>CHINA</person> IN SURPRISE DEFEAT .</response>",
  "id": 0,
  "group_id": 0,
  "metadata": {
    "tokens": [
      "SOCCER",
      "-",
      "JAPAN",
      "GET",
      "LUCKY",
      "WIN",
      ",",
      "CHINA",
      "IN",
      "SURPRISE",
      "DEFEAT",
      "."
    ],
    "ner_tags": [
      "O",
      "O",
      "B-LOC",
      "O",
      "O",
      "O",
      "O",
      "B-PER",
      "O",
      "O",
      "O",
      "O"
    ]
  }
}

Note: Some content was truncated for display.

Prompt Template

Prompt Template:

You are a named entity recognition system that identifies the following entity types:
{entities}

Process the provided text and mark all named entities with XML-style tags.

For example:
<person>John Smith</person> works at <organization>Google</organization> in <location>Mountain View</location>.

Available entity tags: {entity_list}

INSTRUCTIONS:
1. Wrap your entire response in <response>...</response> tags.
2. Inside these tags, include the original text with entity tags inserted.
3. Do not change the original text in any way (preserve spacing, punctuation, case, etc.).
4. Tag ALL entities you can identify using the exact tag names provided.
5. Do not include explanations, just the tagged text.
6. If entity spans overlap, choose the most specific entity type.
7. Ensure every opening tag has a matching closing tag.

Text to process:
{text}

Few-shot Template

Here are some examples of named entity recognition:

{fewshot}

You are a named entity recognition system that identifies the following entity types:
{entities}

Process the provided text and mark all named entities with XML-style tags.

For example:
<person>John Smith</person> works at <organization>Google</organization> in <location>Mountain View</location>.

Available entity tags: {entity_list}

INSTRUCTIONS:
1. Wrap your entire response in <response>...</response> tags.
2. Inside these tags, include the original text with entity tags inserted.
3. Do not change the original text in any way (preserve spacing, punctuation, case, etc.).
4. Tag ALL entities you can identify using the exact tag names provided.
5. Do not include explanations, just the tagged text.
6. If entity spans overlap, choose the most specific entity type.
7. Ensure every opening tag has a matching closing tag.

Text to process:
{text}

Usage

Using CLI

evalscope eval \
    --model YOUR_MODEL \
    --api-url OPENAI_API_COMPAT_URL \
    --api-key EMPTY_TOKEN \
    --datasets conll2003 \
    --limit 10  # Remove this line for formal evaluation

Using Python

from evalscope import run_task
from evalscope.config import TaskConfig

task_cfg = TaskConfig(
    model='YOUR_MODEL',
    api_url='OPENAI_API_COMPAT_URL',
    api_key='EMPTY_TOKEN',
    datasets=['conll2003'],
    limit=10,  # Remove this line for formal evaluation
)

run_task(task_cfg=task_cfg)

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