PropagandaScope - 国内有效发明专利拥有量达到497万件

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How we calculate: Density = keyword mentions ÷ total articles. Amplification = newspaper density ÷ People's Daily baseline density. We separate headline mentions from body text — headline placement represents a deliberate editorial decision to prioritize the keyword.

Searching across 26 provincial newspapers...

Source Comparison

Source	Articles	Total Mentions	Title Mentions	Density	Amplification *	Title Amp *

Provincial Map

Frequency Timeline

Keyword mentions over time. Default aggregated by week. Select sources to compare against the People's Daily baseline.

Count shows the total number of articles containing this keyword per source. Density shows keyword frequency as a proportion — articles containing this keyword divided by total articles published by that source in the same period. This controls for differences in publication volume: a source publishing 50 keyword mentions out of 500 total articles (10%) is less saturated than one publishing 20 out of 100 (20%), even though its absolute count is higher.

Source Analysis

Sorted by amplification ratio. Gold border indicates autonomous regions. Amplification measures keyword frequency relative to People's Daily baseline. *Based on Dec 2024 onwards due to People's Daily data availability.

Day of Week Pattern

Average daily mentions by day of week for each source. Strong weekday patterns suggest editorial scheduling. Weekend drops may indicate reduced publication.

Articles with Keyword in Headline

Date	Source	Title

Analysis: "国内有效发明专利拥有量达到497万件"