Lecture 8: 10/23/2012
How is language used? In context by agents with goals and knowledge
NLU involves immediate and integrate application of many forms of knowledge
o Semantic knowledge about concepts and events
o Encyclopedic knowledge
What is cognitive modeling?
We now ask the question, "What will happen when a machine takes the part of A in this
game?" Will the interrogator decide wrongly as often when the game is played like this as he
does when the game is played betwe
Part 1 (8 points)
Write a set of CycL assertions that provide a qualitative model which captures the meaning of
this paragraph. You will find it useful to consider when the writer might have been using
synonyms, and to contemplate the syntactic patterns t
Lecture 7: 10/18/2012
Natural Language Understanding
Guest Lecturer Chris Riesbeck
Questions: What is NLU? What is language? What is understanding? What is meaning?
o Philosophers- what is meaning? Can a computer understand? Study with re
Lecture 6: 10/16/2012
Readings, homework will be on test. EVERYTHING.
Qualitative process theory
o Quantity Space- ordinal relations (< > =) between parameters
Water in kettle- depends on relative temperatures. Temp is greater than
freezing, less than
Lecture 5: 10/11/2012
Rules of inference:
Many rules enable new propositions to be derived from existing propositions
o Combine facts
o Modus ponens: p => q, p, derive q
o deMorgan's law: not (A/\B), derive notA\/notB. If neither A or B is true, then A o
In what ways was the conversation with the chatbot similar to a conversation with another
For this homework assignment, I chose to converse with Cleverbot, hoping that this
chatbot would live up to its name and indeed be more clever than
Lecture 3: 10/4/2012
Cognition requires knowledge
o People know stuff (about the world, other people, self)
o Intelligence requires using knowledge
o Understanding the nature of human knowledge representations
Why can't we just us
Week 2: Knowledge representation
o Logic important for AI because express theories by writing set of statements (if-then)
is an axiom
o Soundness-reasoning system won't produce errors if given the correct data,
Lecture 2: 10/2/2012
Can a machine think?
How do we know people are intelligent?
o Novel behavior?
o Explain themselves?
o Give them tests
Stanford-Binet- tried to measure intelligence, problematic because used a lot
of cultural knowledge
Lecture 1: 9/27
Blogs- participation in class discussion
What is mind?
o It's probably a computation-artificial intelligence was first field to say this
Key insight 1930s-40s.
Productive- raises many questions. What's