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Knowledge Panel

Knowledge Graph Sensor

Here we are measuring the volatility of Google's Knowledge Graph. The data clearly shows periodic data refreshes or algorithm updates - almost certainly both.

Read my analysis of this on Search Engine Journal >>

How are we Measuring Knowledge Graph Changes?

We have a system that tracks the confidence score returned by the Knowledge Graph API on a dataset of several thousand known Entities. We have isolated the three aspects of these changes and measure them daily. We measure:

Magnitude: How many entities saw an increase or decrease (reach/breadth).
Amplitude: How significant that change, in confidence scores of the affected entities, was on a micro-level (scope/height).
Shift: How significant the change was to the overall score (scale/depth).

The graph below shows Magnitude (Volatility) in purple, and Shift in red. Amplitude is a measurement we are using internally and won’t be adding that in the foreseeable future.

Knowledge Graph Algorithm Updates

Friday 29 October 2021
Tuesday 9 November 2021
Friday 12 November 2021
Wednesday 17 November 2021
Thursday 18 November 2021
Saturday 20 November 2021
Thursday 25 November 2021
Friday 26 November 2021
Wednesday 8 December 2021
Thursday 9 December 2021
Tuesday 14 December 2021
Wednesday 15 December 2021
Thursday 16 December 2021
Friday 17 December 2021
Thursday 6 January 2022
Friday 7 January 2022
Monday 10 January 2022
Thursday 20 January 2022
Friday 21 January 2022
Wednesday 9 February 2022
Thursday 10 February 2022
Tuesday 26 April 2022

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