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Benchmark for SDG Classification

The SDG Classification Benchmark is an open and public benchmarking dataset for evaluating and comparing SDG classification models. It consists of 1,251 short text snippets (a few sentences each) covering all 17 SDGs. All text snippets were carefully labeled and verified by a team of experts.

Table of Contents

The dataset

You can find the benchmarking dataset here: https://github.com/SDGClassification/benchmark/blob/main/benchmark.csv

The dataset consists of four columns:

  • id: Unique identifier for every text (MD5 hash)
  • text: Text snippet (2 - 3 sentences)
  • sdg: The SDG that the text is checked against
  • label: True if sdg is present in text. False otherwise.

Below is an excerpt of the dataset.

     id                                               text  sdg  label
03e9759  Not only does this have potentially negative e...    7  False
04f6c7f  If too much water is stored behind the reservo...    7  False
b87a4f8  Energy efficiency targets are now in place at ...    7   True
12e3f54  Data over the last 30 years suggests that, had...    7   True
135ea60  Large areas of about 500 000 km2 between Mumba...    7  False

How to use

With Python

We have created the Python package sdgclassification-benchmark to make it easy to benchmark SDG classification models written in Python.

First, install the package: pip install sdgclassification-benchmark

Then, run the benchmark on your custom predict_sdgs method:

from sdgclassification.benchmark import Benchmark

# Take the text to classify, run it through your model and return the list of
# relevant SDGs in *numeric* format.
# IMPORTANT: ADAPT THIS METHOD ACCORDING YOUR MODEL
def predict_sdgs(text: str) -> list[int]:
    # ... your model code here ...
    return [1, 7, 17]

benchmark = Benchmark(predict_sdgs)
benchmark.run()

You will see the following output:

################################################################################
Running benchmark
Benchmarking |################################| 473/473
Results:
+---------+------+----------------+-----------------+--------------+------------+------+------+------+------+
| SDG     |    n |   Accuracy (%) |   Precision (%) |   Recall (%) |   F1 Score |   TP |   FP |   TN |   FN |
|---------+------+----------------+-----------------+--------------+------------+------+------+------+------|
| Average | 78.8 |           83.3 |            93.5 |         71.3 |       0.80 |   28 |  1.8 | 38.2 | 10.8 |
| 3       |   76 |           89.5 |            91.7 |         78.6 |       0.85 |   22 |    2 |   46 |    6 |
| 4       |   82 |           78.0 |            87.9 |         67.4 |       0.76 |   29 |    4 |   35 |   14 |
| 5       |   69 |           73.9 |           100.0 |         48.6 |       0.65 |   17 |    0 |   34 |   18 |
| 6       |   85 |           87.1 |           100.0 |         77.1 |       0.87 |   37 |    0 |   37 |   11 |
| 7       |  100 |           91.0 |            97.7 |         84.0 |       0.90 |   42 |    1 |   49 |    8 |
| 10      |   61 |           80.3 |            84.0 |         72.4 |       0.78 |   21 |    4 |   28 |    8 |
+---------+------+----------------+-----------------+--------------+------------+------+------+------+------+
Benchmark completed
################################################################################

After running the benchmark, you can also access detailed results in your Python script, showing you where the model has made correct and incorrect predictions.

# Convert results into a Pandas dataframe
df = benchmark.results.to_dataframe()

#          id                                               text  sdg  ...  predictions predicted_label  is_correct
# 0    e0ab386  The Ministry of Education is charged with the ...    3  ...          [4]           False        True
# 1    9177b53  Most of the local government institutions lack...    3  ...          [8]           False        True
# 2    8dd268f  Brisbane: School of Population Health, Univers...    3  ...       [8, 3]            True        True
# 3    9b237c8  Authorship is usually collective, but principa...    3  ...           []           False        True
# 4    52f8fc8  This is a limiting structure, as real-world ev...    3  ...          [8]           False        True

You can also check out some of the example code snippets in this repository:

With other languages

Using your preferred CSV reader/parser, you can access the benchmarking dataset from here: https://raw.githubusercontent.com/SDGClassification/benchmark/main/benchmark.csv

For example, in R:

df <- read.csv("https://raw.githubusercontent.com/SDGClassification/benchmark/main/benchmark.csv")

You can then classify the text in each row of the dataset and compare your model's predictions with the true label.

You can find short descriptions about each of the columns in the dataset here.

Background

Purpose

There exist a number of different models and approaches for classifying texts with respect to the Sustainable Development Goals (SDGs). Refer to this list for a (non-exhaustive) overview of different SDG classifiers and initiatives.

To further advance the field of SDG classification, it is important that we understand the strengths and weaknesses of the available tools.

This public and open benchmarking dataset allows us to evaluate and compare the accuracy of available SDG classifiers, so that we can better grasp their capabilities and limitations.

Our hope is that this benchmarking dataset can contribute to us building more accurate, more reliable and more trustworthy models and approaches in the future.

Approach

This benchmarking dataset has been carefully curated by a working group with expert knowledge in the domain of the SDGs. Unlike other datasets, this benchmarking dataset has been fully annotated and verified by humans.

To ensure a robust benchmarking dataset, the texts for each SDG were independently annotated by several human experts. For most texts, the annotations made by these experts were identical. For some texts, however, there initially were disagreements between the annotations. These disagreements were resolved through discussion between the experts until consensus was reached.

In some cases, consensus was reached by making slight modifications to a text in order to remove ambiguity.

Coverage

The benchmark covers at least 50 texts for each SDG. Note that the number of texts across the SDGs as well as the number of texts with and without SDG are not balanced.

SDG Number of texts Texts with SDG Texts without SDG
All texts 1251 619 632
SDG 1: No poverty 77 27 50
SDG 2: Zero hunger 69 45 24
SDG 3: Good health and well-being 76 28 48
SDG 4: Quality education 82 43 39
SDG 5: Gender equality 69 35 34
SDG 6: Clean water and sanitation 85 48 37
SDG 7: Affordable and clean energy 100 50 50
SDG 8: Decent work and economic growth 74 38 36
SDG 9: Industry, innovation and infrastructure 57 28 29
SDG 10: Reduced inequalities 61 32 29
SDG 11: Sustainable cities and communities 69 27 42
SDG 12: Responsible consumption and production 80 43 37
SDG 13: Climate action 65 33 32
SDG 14: Life below water 84 35 49
SDG 15: Life on land 71 41 30
SDG 16: Peace, justice and strong institutions 68 35 33
SDG 17: Partnerships for the goals 64 31 33

Limitations

While we have invested a lot of time and care to ensure that this benchmarking dataset is as robust as possible, there are important limitations to be aware of when using this dataset to evaluate your model.

This benchmark serves as a starting point for evaluating the accuracy of a model. It is important to remember that models may have been developed for domain-specific use cases, languages, and/or other specializations that cannot be comprehensively evaluated with this benchmarking dataset.

Binary

We evaluated each text only with respect to whether it directly addresses a given SDG and its targets. This assessment was binary (true vs false), which greatly reduced the complexity.

We did not evaluate how strong the reference is, we did not evaluate whether other SDGs are present in the text and we did not evaluate what the primary SDG in each text is.

Non-exhaustive

We have tried to include a variety of texts in this benchmarking dataset in order to cover the breadth of each SDG. For example, for SDG 7, we have included texts related not just to renewable energy, but also texts related to energy access, affordable energy, energy efficiency, etc...

That said, due to the wide spectrum of issues covered by the SDGs, we cannot guarantee that this benchmarking dataset provides exhaustive coverage of all the relevant issues for each of the SDGs.

Ignores sentiment

For the sake of simplicity, we ignored valence and sentiment in the texts. A text was classified as addressing a given SDG, even if the content was discussed in a negative light. For example, "We will reduce renewable energy subsidies" would still be classified as true for SDG 7.

Non-interpretive

Texts were only assigned to a given SDG, if the text directly addressed that SDG and/or its targets. "We are subsidizing the costs of silicon" would not qualify for SDG 7, even though silicon is one of the materials for making photovoltaic cells and reduced cost of silicon might have indirect benefits for the expansion of solar energy.

We ignored indirect relevance in texts because correct assessments would require enormous thematic expertise, and even then such interpretations would often remain highly subjective and controversial.

Model evaluation

Disclaimer

Several models have been tested against this benchmark. The results can be used as one criterion when evaluating models. Importantly, there are a range of other important aspects to consider that are not tested by this benchmark, such as cost, speed, and coverage of SDG targets. In addition, many models have been developed and optimized for domain-specific use cases (e.g. analyzing policy documents, research articles or websites) and their performance on this benchmark may not be representative of their performance on their domain-specific use case.

Results

The table below shows the accuracy (in percent) of models tested against this benchmark. Clicking on one of the models provides additional details, including metadata about the model, F1 score, precision and recall.

Model Average SDG 1 SDG 2 SDG 3 SDG 4 SDG 5 SDG 6 SDG 7 SDG 8 SDG 9 SDG 10 SDG 11 SDG 12 SDG 13 SDG 14 SDG 15 SDG 16 SDG 17
AFD SDG Prospector 88 95 87 91 95 81 92 95 89 86 87 90 84 89 83 82 91 77
Aurora SDG 79 79 83 80 79 93 81 85 81 70 70 81 76 86 81 75 65 81
Global Goals Directory 81 90 80 90 78 74 87 91 84 81 80 78 74 78 84 80 76 72
JRC SDG Mapper 77 82 71 84 70 75 73 86 77 77 70 75 79 83 82 82 75 72
Meta Llama 2 70B 83 90 83 93 90 93 87 93 78 74 79 68 80 91 84 84 69 75
Meta Llama 3 70B 86 77 90 86 85 91 92 91 80 84 92 84 84 92 81 89 81 81
Mixtral 8x7B 85 84 86 83 89 87 88 94 80 75 95 81 82 92 81 82 79 83
OSDG v1 70 87 56 70 80 64 84 82 77 56 72 71 71 66 77 66 52 53
OpenAI GPT-3.5 Turbo 80 65 93 82 80 87 91 90 76 68 87 71 79 91 76 83 78 67
OpenAI GPT-4 Turbo 85 75 93 86 84 88 92 92 77 79 92 77 85 94 80 92 84 83
OpenAI GPT-4o 87 79 94 82 84 94 93 93 80 84 93 88 86 94 82 90 81 84
text2sdg 83 91 74 82 88 93 85 91 85 82 79 80 75 91 82 80 79 75

Have you benchmarked a model that is not yet in our list? Please open an issue and share the results with us, so that we can add the model to the table above.

Contributing

Join the working group

The core contributors meet regularly to improve and expand this benchmarking dataset. If you want to join us, please reach out to [email protected].

Suggestions and feedback

This benchmarking dataset is a living document and we will continue to make adjustments and improvements based on feedback. Please open an issue to share your ideas, suggestions, and feedback.

Credits

Core contributors

The benchmarking dataset has been created by the Benchmarking Working Group of the SDG Classification Expert Group. Core contributors are Finn Woelm, Meike Morren, Steve Borchardt, Ivan Smirnov, Gib Ravivanpong, and Jean-Baptiste Jacouton.

List of annotators

We especially thank our annotators for making this project possible.

  • SDG 1: Steve Borchardt, Meike Morren, Finn Woelm
  • SDG 2: Steve Borchardt, Meike Morren, Gib Ravivanpong, Finn Woelm
  • SDG 3: Steve Borchardt, Meike Morren, Finn Woelm
  • SDG 4: Steve Borchardt, Meike Morren, Finn Woelm
  • SDG 5: Steve Borchardt, Meike Morren, Gib Ravivanpong, Finn Woelm
  • SDG 6: Steve Borchardt, Meike Morren, Gib Ravivanpong, Finn Woelm
  • SDG 7: Steve Borchardt, Jean-Baptiste Jacouton, Gib Ravivanpong, Finn Woelm
  • SDG 8: Steve Borchardt, Meike Morren, Finn Woelm
  • SDG 9: Steve Borchardt, Meike Morren, Finn Woelm
  • SDG 10: Steve Borchardt, Jean-Baptiste Jacouton, Meike Morren, Gib Ravivanpong, Finn Woelm
  • SDG 11: Steve Borchardt, Meike Morren, Finn Woelm
  • SDG 12: Steve Borchardt, Meike Morren, Gib Ravivanpong, Finn Woelm
  • SDG 13: Steve Borchardt, Meike Morren, Gib Ravivanpong, Finn Woelm
  • SDG 14: Steve Borchardt, Meike Morren, Finn Woelm
  • SDG 15: Steve Borchardt, Meike Morren, Ivan Smirnov, Finn Woelm
  • SDG 16: Steve Borchardt, Meike Morren, Ivan Smirnov, Finn Woelm
  • SDG 17: Steve Borchardt, Meike Morren, Gib Ravivanpong, Ivan Smirnov, Finn Woelm

Text snippets

We used the fantastic OSDG Community Dataset for selecting texts to include in our benchmarking dataset. The OSDG Community Dataset has been created by 1,400+ volunteers and is available under a CC-BY 4.0 license.

Citation: OSDG, UNDP IICPSD SDG AI Lab, & PPMI. (2024). OSDG Community Dataset (OSDG-CD) (Version 2024.01) [Data set]. Zenodo. https://doi.org/10.5281/zenodo.10579179

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SDG Classification Benchmarking Dataset

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