Final Exam Information. Exam is Friday, December 13 11AM-1PM Exam will be cumulative, slightly emphasizing material since midterm Extra credit (and advantage) for problems submitted by email that we use Final review on Thursday --- come with your questions Also: term papers due Thursday.
computers used by scientists & engineers
little attention to user interfaces or CHI
almost no “social” apps
little interaction between CS and psych.
little attention to design principles
web did not exist
most Americans have web/Internet
popular culture and CS mixed together
Technology and society increasingly intertwined
many apps are social
“civilians” can generate rich technology
CHI a rich research area
AI and CHIThe Societal Impact of Computer (and Cognitive) Science
Today: Case studies in spoken language interfaces and AI
4Markov Decision Processes
+ system logs
a e a e a e ...
estimate transition probabilities...
P(next est. state | current est. state & action)
R(current est. state, action)
...from set of exploratory dialogues
Violations of Markov property! Will this work?
temporal credit assignment problem
- Initiative strategy
- Confirmation strategy
value (V = 0,1)
confidence (C = 1,2,3,4,5)
tries (T = 0,1,2,3)
grammar (G = 0,1)
“trouble” history bit (H = 0,1)The State Space
N.B. Non-state variables record attribute values;
state does not condition on previous attributes!
Will this work?
On all dialogues:
On expert dialogues 3-6:
HFh waves to Buster.
Buster bows gracefully to HFh.
Buster is overwhelmed by all these paper deadlines.
Buster begins to slowly tear his hair out, one strand
at a time.
HFh comforts Buster.
HFh [to Buster]: Remember, the mighty oak was once
a nut like you.
Buster [to HFh]: Right, but his personal growth was
assured. Thanks anyway, though.
Buster feels better now.
Standard verbs and emotes: directed and broadcast speech,
hug, wave, bow, nod, eye, poke, zap, grin, laugh, comfort, ...