The ability to use optimally limited resources, including time, to achieve a set of goals (which may include survival, communication, solving problems, recognizing patterns, performing skills). The products of intelligence may be clever, ingenious, insightful, or elegant. R. W. Young defines intelligence as "that faculty of mind by which order is perceived in a situation previously considered disordered."
Articles on KurzweilAI.net that refer to IntelligenceEssentials of General Intelligence: The direct path to AGI By Peter Voss
The Age of Intelligent Machines, Chapter Four: The Formula for Intelligence By Ray Kurzweil
The Law of Accelerating Returns By Ray Kurzweil
Intelligence as an Emergent Behavior or, The Songs of Eden By W. Daniel Hillis
Why We Can Be Confident of Turing Test Capability Within a Quarter Century By Ray Kurzweil
Who Owns Intelligence? By Howard Gardner
The Age of Intelligent Machines, Chapter One: The Roots of Artificial Intelligence By Ray Kurzweil
Wolfram and Kurzweil Roundtable Discussion By Ray Kurzweil and Stephen Wolfram
Can a Machine Think? By Clinton W. Kelly
The Intelligent Universe By Ray Kurzweil
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