CMPUT 657 Heuristic Search with Applications to Games

Winter 2021, Instructor: Michael Buro
Lectures: MWF 9:30-10:50 remote-synchronous (starting Jan-11)
Office hour: TBA

Important: If you consider me to become your thesis supervisor, taking this course is mandatory.
This academic year I am looking for two new MSc students! Supervision decisions will be made in February-March

eClass (submit coursework here)
Course material (assignments, lecture notes) (id/passwd required, listed on eClass)

News

Prerequisites

Schedule

(Lectures are front-loaded to give students the chance to apply all lecture materials to their projects)
Week of M   M(+0)   T(+1)  W(+2)  R(+3)  F(+4)      Topics
 1. Jan 11  L1/A1r          L2            L3        Intro, Game AI Successes, MiniMax Search
 2. Jan 18  L4              L5            L6  [R1]  AlphaBeta Search, Transposition Tables, Move Sorting
 3. Jan 25  L7              L8            L9        Playing with Search Windows and Search Depth
 4. Feb 01  L10             L11           L12       Evaluation Functions, Parameter Optimization, DNNs
 5. Feb 08  L13    A1d/A2r  L14           L15 [R2]  Single-Agent Search, A*, IDA*, Pattern Databases
 6. Feb 15  ------------ READING WEEK -------------
 7. Feb 22  L16             L17           L18       Hierarchical/Triangulation/Multi-Agent Pathfinding
 8. Mar 01  L19             L20           L21       Chance and Sampling, Monte Carlo Tree Search, UCT, AlphaGo
 9. Mar 08  L22     A2d     L23    CPA    L24       Imperfect Information Games, Card Game AI, RTS Game AI
10. Mar 15  CPR              -             -
11. Mar 22   -               -          PAP/PAS     
12. Mar 29  PRO              -             -
13. Apr 05   -               -             -
14. Apr 12   -               -          PRP/PRR     

Legend:  Ajr / Ajd : assignment j released / due (end of day)
         Li        : lecture i
         Ri        : reading assignments
         CPA       : choose recent research paper (Mar-11)
         CPR       : choose project topic (Mar-15)
         PAP       : paper presentations (~15 minutes each)
         PAS       : paper summary + presentation slides (Mar-26)
         PRO       : project progress report (Mar-29)
         PRP       : project presentation (~15 minutes each)
         PRR       : project report due (Apr-16)

Course Overview

Search is at the heart of artificial intelligence (AI) research. AI applications often have to search among the alternatives for either the optimal answer (optimizing) or the best result given limited resource constraints (satisficing). This was best epitomized by the chess match between Deep Blue and Garry Kasparov. The computer, searching 200 million chess positions per second, narrowly edged the human world champion searching ~2 chess positions per second

This course will cover many important search algorithms used in AI, ranging from single-agent A* search, over two-player search (alpha-beta), to Monte-Carlo Tree Search (MCTS). Algorithms will be evaluated in terms of their algorithmic complexity, implementation considerations, utility, interaction with application-dependent knowledge, etc. At the end of the course students will know how video game engines find shortest paths quickly, how strong board game, card game, and video game AI systems work, and what current research challenges in this AI area are. Course projects can become seeds for theses!

There will be 4 assignments and a project in the course. Two assignments are designed to be fun and competetive: 1) Writing a program that plays a two-player perfect information game and 2) writing a single-agent search program to solve a puzzle. Programs will be evaluated (in part) by competing in a round-robin tournament, allowing each student's program to test its ability against all other programs. In the second half of the course, students will 3) summarize a recent research paper of their choice and 4) choose a project to work on. Project presentations will finish the course. There is no final exam

Tentative Course Syllabus

Suggested Reading

The course is mostly self-contained. Links to research papers will be provided

Grading Scheme

Late penalties:

In this course grades will not be curved, they are absolute - following these cut points:

>= 90% A+   >= 85% A   >= 80% A-
>= 75% B+   >= 70% B   >= 65% B-
>= 62% C+   >= 59% C   >= 56% C-
>= 53% D+   >= 50% D   <  50% F
The minimum passing grade is C+

Please visit this page to learn about our interpretation of letter grades. I have the discretion in setting the borderline between passing and failing and, in doing so, may consider a students entire performance across the term as well as their overall percentage


Academic Integrity

The University of Alberta is committed to the highest standards of academic integrity and honesty. Students are expected to be familiar with these standards regarding academic honesty and to uphold the policies of the University in this respect. Students are particularly urged to familiarize themselves with the provisions of the Code of Student Behaviour and avoid any behaviour which could potentially result in suspicions of cheating, plagiarism, misrepresentation of facts and/or participation in an offence. Academic dishonesty is a serious offence and can result in suspension or expulsion from the University. (GFC 29 SEP 2003)

Copying and cheating on assignments will be penalized with a mark of 0 (see the standard handouts for academic dishonesty and copying and cheating), and Section 30.3.2 Inappropriate Academic Behaviour

Course Policies

Unless otherwise noted, the CS Department Policies are in effect

Collaboration

Students are encouraged to discuss assignments in groups to speed up learning and stimulate idea exchange. However, students must write down their own solutions/code, and are not supposed to share them. You must give credit to any source that substantially assisted you in completing the assignment. A source includes fellow students, books, papers, and me. Failure to give proper credit is considered plagiarism


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