Which type of document is best for find similar documents?

When looking for documents that are similar to one another, those that focus on a single topic are typically the most effective. This is because documents that revolve around a singular subject tend to share common themes, terminology, and context, making it easier to identify and compare similar documents.

In contrast, large documents that encompass many topics can dilute the focus, leading to a mix of unrelated information that complicates finding similarities. System files usually consist of technical or operational data that doesn’t lend themselves to broader thematic comparisons. Excel files that contain numbers might provide quantitative data, but they often lack the narrative or contextual depth required for identifying similarities in documents unless they are explicitly structured for that purpose. Therefore, documents that maintain a single topic allow for a clearer path to comparison, enhancing the ability to find relevant and similar sources.