Artificial intelligence
Which approach to speech recognition avoids the problem caused by the variation in speech patterns among different speakers?

Continuous speech recognition
Connected word recognition
None of these
Speaker-dependent recognition
Isolated word recognition

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Artificial intelligence
A heuristic is a way of trying __________

To search and measure how far a node in a search tree seems to be from a goal
To discover something or an idea embedded in a program
All of the mentioned
To compare two nodes in a search tree to see if one is better than the other is

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