Incremental information density of news updates
Do follow-up articles add new facts, or merely rewrite earlier reports?
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Sample JSON
Specification JSON
Sample as of
0700.HK Tencent Holdings | Hang Seng Index | 2025-10-16 – 2026-10-16 | HKD
- Highest item: First report
- 44.5 %
- Lowest item: New developments
- 2.7 %
- Average
- 20 %
- Number of items
- 5 items
Main chart: share of new extractable factual sentences (%), by story update article
Share of new extractable factual sentences (%) (Bar)
Supporting chart: new figures, people and concrete developments
New figures, people and concrete developments (Line)
Detail: data rows, observation dates and missing-value status for incremental information density of news updates
Share of new extractable factual sentences (%) and New figures, people and concrete developments (Table)
Sample data rows
| Story update article | Share of new extractable factual sentences (%) | New figures, people and concrete developments | Data date (sample) |
|---|---|---|---|
| First report | 44.5 | 18 | 2026-10-16 |
| New data | 21.9 | 40 | 2026-10-16 |
| New developments | 2.7 | 29 | 2026-10-16 |
| Mostly rewritten | 28.2 | 31 | 2026-10-16 |
| Cannot determine | 2.7 | 33 | 2026-10-16 |