The lesson was about how we can tell when someone is happy or sad.
He talks about what he believes in, what makes him happy, sad, or frustrated.
Our software tells us if the person likes something or not and if he is happy or sad or puzzled.
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The sentiment analysis sounded like fun, there was anxiety, fear, happy, sad and lots of NLP (natural language processing) derived moods.
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"I'm happy and sad: On one hand I have my document to travel, but several friends like (Angel Moya) will not be allowed, " Yoani Sanchez wrote.
They also used a recognised depression measurement scale to assess people, and carried out an emotion recognition computer test, - where people are asked to respond rapidly to happy or sad words.
Some apps that Havens models his ideas on are Emotionsense, an app for Android that uses the microphone to sample the ambient sounds and conversations of the day and assembles a dossier on how happy or sad you are, and Moodscope, a website that lets users share and understand their moods and get support from friends.
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People were asked to mark a happy face or a sad face on the evaluation form, and most checked the happy one, he says.
"What you guys say doesn't make me happy or make me sad, " he said.
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In both a sad and happy way, we wanted to let you know that the "This Week in HD" podcast published the last episode this weekend, episode number twenty.
"Films are a good form of entertainment during a recession because you can sit back and -- sad or happy -- you lose where you are and you go into the movie, " she said.
It covers (everything from) the sad to the happy to the silly.
This was a happy day for McGarrybowen, but a sad one for Chicago advertising.
And so, the disposability of electronic media is actually something that makes book people sad, but book readers happy.
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"I'm just so happy that they are OK, but I'm sad about the hotel, " Karen Jean-Gilles said.
"Joe has made a big impact in a short time and while we are sad to see him go, we are very happy that one of our coaching staff has made the move into the international arena, " South Australian Cricket Association director of cricket Jamie Cox was quoted as saying by ESPN cricinfo.
Three years on, it is hard to foresee a happy ending to Thailand's political strife, just a variety of sad ones.
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"Janie and Robert are happy that her father's wishes were honoured, but she feels sad that Leon and her father were estranged, " said Bob Merlis of Experience Hendrix LLC.
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Sometimes I see myself sad and lonely, but I think I deserve to be more happy.
Yet those who remember such minute details about the village where the boy would be born cannot recall whether they were ever happy when they were living there or whether, when they left, they were sad to be going.
Things like the affectionate touch to your face, the knowing smile when you do something nice for someone, the tear in their eye when you are sad or have been hurt by life, the smile when you are happy and they are sharing in it, the arms that hold you close daily.
In the popular World War II cartoon strip The Sad Sack, the character was a naive, confused, lazy, bumbling private, but happy enough and almost lovable.
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