GOV.UK Document Clustering

Going and being abroad > Travel abroad (1,110 content items)

• Run 1 is the original approach.
• Runs 2-4 use various approaches to reduce the number of topics generated.
• Run 5 allows topic names to use up to 5 words (instead of 3 words).
• Run 6 builds on run 5 by incorporating some context about topics within which the new sub-topics should be named.

Run	Topic reduction	Max words	Context	No. of topics†
1	None	3	None	22	Topics & content items	Topics	Documents	Topic hierarchy
2	Automatic	3	None	7	Topics & content items	Topics	Documents	Topic hierarchy
3	Manual (12)	3	None	11	Topics & content items	Topics	Documents	Topic hierarchy
4	Manual (6)	3	None	5	Topics & content items	Topics	Documents	Topic hierarchy
5	Manual (12)	5	None	11	Topics & content items	Topics	Documents	Topic hierarchy
6	Manual (12)	5	Custom	11	Topics & content items	Topics	Documents	Topic hierarchy

† Excluding outliers