MaartenGr / MaartenGr/BERTopic

Issues about the heatmap generated by BERTopic

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Dominant language
Python
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Description

BERTopic generate topics by clustering semantically similar clusters of documents. However, in the heatmap, some topcis have high simiarty scores (e.g., 0.8 or above). Why are these topics with a high similarity split into separate topics?

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reproducing the reported heatmap behavior in BERTopic and inspect how the heatmap represents topic similarity. Determine why topics with similarity scores around 0.8 or higher remain separate, then document the explanation or identify the behavior that needs correction.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
data-visualization, machine-learning
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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