皆様， 京都大学の五十嵐です．
現在FLOPS2018で来日中の William E. Byrd さんに，来週の水・木の二日間に わたって，京大で relational programming のチュートリアルをして頂くこと になりました．
Dr. Racket をインストールしたノートＰＣを持ってくると，より楽しめると のことです :-)
二日間にわたっていますが，二日目も最初に復習から入るようにお願いしまし た．一部だけでもどうぞ．
ふるってご参加ください．
========================================================================== 日時: 5/16(水) 10:30〜15:30 (途中昼休みあり) 5/17(木) 10:30〜15:30 (途中昼休みあり) 会場: 京都大学吉田キャンパス総合研究７号館会議室(１階１２３号室)
William E. Byrd Department of Computer Science & Hugh Kaul Precision Medicine Institute University of Alabama at Birmingham
Tutorial Title: Relational Programming in miniKanren: an Interactive Tutorial
Abstract: Relational Programming is a paradigm in which programs represent mathematical relations (in contrast to functional programming, in which programs represent mathematical functions). Unlike traditional programs, relational programs do not distinguish between inputs and outputs. Instead, *any* argument to a relational program can be treated as either an input or an output. This unusual property makes relational programs extremely flexible, and able to automatically perform tasks that would be complicated to implement using standard techniques. For example, an interpreter written as a relation is able to perform *program synthesis*, automatically generating programs from input/output examples.
In this in-depth, interactive, two day tutorial, we will explore the world of relational programming using miniKanren, a language specifically designed for writing interesting programs as relations. Together we will implement the core of the miniKanren relational programming language. We will also implement an interpreter for a subset of Racket, written as a miniKanren relation. We will then use this "relational interpreter" to perform simple program synthesis, and discuss techniques that can speed up synthesis by many orders of magnitude.
The tutorial will be highly interactive. We will implement all the code together, using the Racket programming language (a variant of Scheme). We will begin with a short introduction to basics of the Racket language, which can be learned in a few minutes. If you would like to implement all the code yourself, please bring a laptop with DrRacket installed (https://racket-lang.org/). If you don't want to implement the code yourself, you can participate by helping me as I write the code at the projector! :)
Topics we will cover in the tutorial:
* fundamental concepts of relational programming * a brief introduction to the Racket programming language * introduction to the miniKanren relational programming language * writing recursive relations in miniKanren * writing a simple Racket interpreter as a function in Racket * writing a simple Racket interpreter as a relation in miniKanren * using the relational Racket interpreter to perform simple program synthesis * optimizations and extensions to the relational Racket interpreter * implementing the core of miniKanren (microKanren) * open research problems in relational programming * lots of other interesting related topics -- 五十嵐 淳 (IGARASHI Atsushi) E-mail: [email protected] url: http://www.fos.kuis.kyoto-u.ac.jp/~igarashi/