IBM's Watson has over 30 APIs, allowing it to do everything from translating text to different languages to classifying images. But lately, we've been playing with Watson's Personality Insights and Tone Analyzer capabilities to see just how good a machine is at interpreting human qualities.
The supercomputer assesses traits based on the popular Big Five test, which rates subjects for extroversion, agreeableness, conscientiousness, neuroticism, and openness to experience. It can also identify different tones such as fear, joy, and confidence.
Watson has analyzed the "Harry Potter,""Star Wars," and "Lord of the Rings" universes for Tech Insider. IBM researcher Vinith Misra put Watson to the test with the "Game of Thrones" books — and the results may be the most interesting yet. Watson found that female characters overwhelmingly had stronger personalities than their many male counterparts.
Here's a closer look:
The top five characters ranked for most assertive were all women, with Arya ranking the highest.

Followed by Arya were Brienne, Cersei, Sansa, and Daenerys.
"Game of Thrones" has a lot of internal monologue for each characters, so Watson was able to assess characters' true personalities — not just what they exhibit when in dialogue with other characters.
"Sansa even is high on the assertiveness scale, and that might be surprising at first but remember this is not the words she's saying to people, but her internal behavior," Misra told Tech Insider. "Those thoughts are very assertive. Even more so than someone like Dany."
Women also ranked the lowest for self-consciousness.

Arya was the ranked the least self-conscious with Brienne and Daenerys falling behind, respectively. Misra noted that for Brienne and Arya to be successful female fighters, they can't be too self-conscious.
Daenerys is the most conscientious female character, ranking third. The most conscientious character overall is, unsurprisingly, Ned.

"Dany is near the top of conscientiousness — that's interesting because if you look at the fan community they talk about how she lost her way in Essos," Misra said. "She was supposed to come back to Westeros like three books ago, but... shes trying to actually fix the city and follow through on what she did for a change."
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