Ping pong

https://www.wikidata.org/wiki/Q3930

Field Hierarchy

Parent
Computer science 61.9M papers	Physics 33M papers	Engineering 25M papers	Materials science 18.5M papers
Artificial intelligence 11.5M papers	Composite material 8.7M papers	Operating system 6.4M papers	Mechanical engineering 5.5M papers
Thermodynamics 5.1M papers		Metallurgy 4.8M papers
Current
Ping pong 945 papers
Child

Trends

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History