The Hong Kong University of Science and Technology
Resoning and Decision
SCIENCE 5220

Summer 2015
CSIT 5220
Page 1
Recap of L04: Model Building
Catching the structure
CSIT 5220
Tradeoff between faithfulness and model complexity
CSIT 5220
Causal Markov Assumption Not Always True
CSIT 5220
Use of mediating variables to ease probability assessment
P(OH0)
The Hong Kong University of Science and Technology
Resoning and Decision
SCIENCE 5220

Summer 2015
CSIT 5220: Reasoning and Decision under Uncertainty
Lecture 5: Inference in Bayesian Networks: The VE Algorithm
Nevin L. Zhang
[email protected]
Department of Computer Science and Engineering
The Hong Kong University of Science and Technology
Nevin L. Zha
The Hong Kong University of Science and Technology
Resoning and Decision
SCIENCE 5220

Summer 2015
CSIT 5220
Page 1
Lecture 04: Building Models
Objective
Reading
Discuss practical considerations in model building
Jensen and Nielsen, Chapter 3
Outline
Catching the structure
Determining probabilities
Reducing the number of parameters
Other Issues
CSIT 52
The Hong Kong University of Science and Technology
Resoning and Decision
SCIENCE 5220

Summer 2015
CSIT 5220: Reasoning and Decision under Uncertainty
Lecture 2: Bayesian Networks
Nevin L. Zhang
[email protected]
Department of Computer Science and Engineering
The Hong Kong University of Science and Technology
Nevin L. Zhang (HKUST)
Bayesian Networks
1
The Hong Kong University of Science and Technology
Resoning and Decision
SCIENCE 5220

Summer 2015
CSIT 5220: Reasoning and Decision under Uncertainty
Lecture 3: DSeparation
Nevin L. Zhang
[email protected]
Department of Computer Science and Engineering
The Hong Kong University of Science and Technology
Nevin L. Zhang (HKUST)
Bayesian Networks
1 / 23
The Hong Kong University of Science and Technology
Resoning and Decision
SCIENCE 5220

Summer 2015
CSIT 5220
Page 1
Recap of Lecture 2
From Joint Distributions to Bayesian networks
CSIT 5220
Chain Rule
http:/en.wikipedia.org/wiki/Chain_rule_(probability)
Chain rule permits the calculation of the joint distribution of a set of
random variables using con
The Hong Kong University of Science and Technology
Resoning and Decision
SCIENCE 5220

Summer 2015
CSIT 5220: Reasoning and Decision under Uncertainty
Lecuture 1: Basics of Multivariate Probability
Nevin L. Zhang
[email protected]
Department of Computer Science and Engineering
The Hong Kong University of Science and Technology
Nevin L. Zhang (HKUST)
Ba
The Hong Kong University of Science and Technology
Resoning and Decision
SCIENCE 5220

Summer 2015
Solutions for Bayesian networks and decision graphs
(second edition)
Finn V. Jensen and Thomas D. Nielsen
May 19, 2008
Solution for exercise 4.1
P (A = yD = y) = 0.197; P (C = yD = y) = 0.531.
Solution for exercise 4.2
Solution for exercise 4.3
(i) P (A
The Hong Kong University of Science and Technology
Resoning and Decision
SCIENCE 5220

Summer 2015
CSIT 5220
Page 1
Recap of Lecture 1
Basics of Multivariate Probability
Mathematical definitions
Interpretation of probability
Multivariate probability
CSIT 5220
Page 2
Probability w.r.t Process with Uncertain Outcome
CSIT 5220
Page 3
Example
CSIT 5220
Pag
The Hong Kong University of Science and Technology
Resoning and Decision
SCIENCE 5220

Summer 2015
Solutions for Bayesian networks and decision graphs
(second edition)
Finn V. Jensen and Thomas D. Nielsen
August 23, 2007
Solution for exercise 3.1
There are two information variables, English Grade and Math Grade and three
hypothesis variables, Prob. Gra
The Hong Kong University of Science and Technology
Resoning and Decision
SCIENCE 5220

Summer 2015
Solutions for Bayesian networks and decision graphs
(second edition)
Finn V. Jensen and Thomas D. Nielsen
September 6, 2007
Solution for exercise 1.1
Define B 0 = B \ (A B). We immediately have
A B0 = ,
(1)
A B0 = A B ,
(2)
(A B) B 0 = B .
(3)
(A B) B 0 =
The Hong Kong University of Science and Technology
Resoning and Decision
SCIENCE 5220

Summer 2015
Solutions for Bayesian networks and decision graphs
(second edition)
Finn V. Jensen and Thomas D. Nielsen
February 18, 2009
Solution for exercise 2.1
(i)
2 1 1
3, 3, 2.
(ii) Close to zero. Notice that the certainty resulting from the combined
action is mu
The Hong Kong University of Science and Technology
Resoning and Decision
SCIENCE 5220

Summer 2015
Solutions for Bayesian networks and decision graphs
(second edition)
Finn V. Jensen and Thomas D. Nielsen
October 14, 2008
Solution for exercise 6.1
Setting the derivative equal to zero we get the equation
80 79 (1 )20 80 20(1 )19 = 0.
This holds if = 0,
The Hong Kong University of Science and Technology
Resoning and Decision
SCIENCE 5220

Summer 2015
Solutions for Bayesian networks and decision graphs
(second edition)
Finn V. Jensen and Thomas D. Nielsen
August 16, 2007
Solution for exercise 5.1
Solution for exercise 5.2
Solution for exercise 5.3
Solution for exercise 5.4
Solution for exercise 5.5
Sol
The Hong Kong University of Science and Technology
Great Ideas in Science
SCIENCE 1100

Fall 2016
SCIE1110 Final Exam Fall 2015
11 December 2015
Chemistry Module
Total Points 100 (Nominal time 1hr)
Please enter your name and answers on the grid provided.
Section A.
True/ False (24pts)
2pts each
Atoms and Elements
1.
All 11B boron atoms must have 6 pro
The Hong Kong University of Science and Technology
Great Ideas in Science
SCIENCE 1100

Fall 2016
LIFE SCIENCE MODULES
King L. Chow, LIFS
Three key objectives
Biology is simple, not about memorization
Accept that you are part of the biological
world with its own distinct characters
Appreciate the beauty of the nature in the
broadest sense
Key Learn
The Hong Kong University of Science and Technology
Great Ideas in Science
SCIENCE 1100

Fall 2016
LIFE SCIENCE MODULE
56
What is life?
?
Week 1
How is life described?
Technology advancement drives the details of description.
Describing life with its primitive codes.
Week 2
Mechanisms behind the codes.
How should the codes be read (How were they
The Hong Kong University of Science and Technology
Great Ideas in Science
SCIENCE 1100

Fall 2016
SCIE1110 Oral Presentation Chemistry: May 13, 9am (Rm 2302)
Time Group
Topic
G5
7. Better Living through Ethanol.
Ethanol has been important since the ancient discovery of fermentation. Today it is used as a
biofuel. Discuss the processes involved and how
The Hong Kong University of Science and Technology
Great Ideas in Science
SCIENCE 1100

Spring 2016
SCIE1110: Great Ideas in Science
Spring 2016 Chemistry Module:
Prof. Ian D. Williams Rm 6005 CYT [email protected]
Lecture 3. Chemical Bonding
Lecture 2 Periodic Table: Summary
By end of 18th century concept of elements well established thanks to Lavoisier, w
The Hong Kong University of Science and Technology
Great Ideas in Science
SCIENCE 1100

Spring 2016
SCIE 1110: Great Ideas in Science
Spring 2016 Chemistry Module:
Prof. Ian D. Williams Rm 4540 [email protected]
Lecture 1. Atoms and Elements
SCIE 1110: Great Ideas in Science
SCIE1110 Spring 2016
C1.2
Four 3Week Modules
Chemistry /Mathematics  Physics / Li
The Hong Kong University of Science and Technology
Great Ideas in Science
SCIENCE 1100

Spring 2016
SCIE1110: Great Ideas in Science
Spring 2016 Chemistry Module:
Prof. Ian D. Williams Rm 6005 CYT [email protected]
Lecture 2. The Periodic Table
Science is.
the intellectual and practical activity encompassing
the systematic study of the structure and behavio
The Hong Kong University of Science and Technology
Great Ideas in Science
SCIENCE 1100

Spring 2016
SCIE1110: Great Ideas in Science
Spring 2016 Chemistry Module:
Prof. Ian D. Williams Rm 6005 CYT [email protected]
Lecture 6. Chemical Fingerprints
Chemical Analysis
In this final lecture we see how we can look at Chemistry in the
world around us and analyse
The Hong Kong University of Science and Technology
Great Ideas in Science
SCIENCE 1100

Spring 2016
SCIE1110: Great Ideas in Science
Spring 2016 Chemistry Module:
Prof. Ian D. Williams Rm 6005 CYT [email protected]
Lecture 4. Chemical Structures
Chemical Structures
1.
Structures based on Logic and Inference
Organic structures: Chains and Rings: Benzene
Isom
The Hong Kong University of Science and Technology
Great Ideas in Science
SCIENCE 1100

Spring 2016
SCIE1110: Great Ideas in Science
Spring 2016 Chemistry Module:
Prof. Ian D. Williams Rm 6005 CYT [email protected]
Lecture 5. Chemical Reactions
Chemical Reactions some Q&A
1. Why do chemical reactions occur?
2. How fast do they proceed?
3. What is the effect
The Hong Kong University of Science and Technology
lifsci
SCIENCE lifs1902

Spring 2016
LIFS 1902
General Biology II
Prof. Yung Hou Wong
Division of Life Science
HKUST
Functions of the Body
The human/animal body is highly complex
Tissues
Tissues are groups of cells that perform a specific function.
Limited types of tissues make up organs tha