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8/13/2019 Lecture Slides Judicata-slides

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JUD IC ATAStartup Engineering - Guest Lecturecoursera.org/course/startup

Adam Hahn


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JUD IC ATAMapping the legal genome


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JUD ICATA

BACKGROUND

Mapping the legal genome

Highly-specialized case law

parsing

Algorithmically-assisted human

review

Turning unstructured court

opinions into structured data

Helping lawyers make sense ofmassive amounts of information

Parsing 21M case law sentences,

77M component attributes


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ADAM HA HN

Stanford CS 08

Co-Founder & CTO

Involved in every decision

Pre-commit code review

Continuous deployment

Data representation


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COMMON L AW

Chimelv. California, 395 U.S. 752 (1969)

New Yorkv.Belton, 453 U.S. 454 (1981)

Arizonav. Gant, 556 U.S. 332 (2009)


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JUD IC ATAENGINEER ING


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DEV TOOLS

MacBook Air/Pro

brew install postgresql htop

parallel tree watch

iTerm (or tmux)

Editor-agnostic (but vimis best)

Chrome +!"J (learn all about it)

New Relic
https://developers.google.com/chrome-developer-tools/docs/overviewhttps://developers.google.com/chrome-developer-tools/docs/overview


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BE SKEPT IC AL


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BACKEND

Python/Django

South (migrations)

tastypie (API)

dse (bulk operations)

networkx (graph analysis)


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DATA

PostgreSQL + Redis

PostgreSQL

Solr


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FRONTEND

Django for base template and complex HTML

Require.js

Backbone

backbone-relational

backbone-tastypie

less


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CONT INUOUS


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CONT INUOUS

Gerrit

ClerkDeploy Test

poll sshMarbury(django)

Apache/

mod_wsgi

Parser

Servlet

container

Katz(solr)

Servlet

container

Lemon(testbot)


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DATASET

15,000 recent California cases

Criminal and civil

Parsed, with references reconciled


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DATASET

catlinvthesuperiorcourtofkerncountys16714851cal4th300.xml


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DATASET

catlinvthesuperiorcourtofkerncountys16714851cal4th300.xml


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DATASET

Interesting n-grams?

Citation graph

Visualizations

Whats cited most? Why?

What can you tell about cases you dont have?

Judicial bias?


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DISSENT INGOP IN ION


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EMBRACINGDIFFERENCES


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BREADTH &DEPTH


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SUMMARY

Dont be afraid to be different

Approach frameworks and tools

skeptically

The best code is less code


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RESOURCES

Law

A Jailhouse Lawyers Manual

The Oyez Project

Engineering

instagram-engineering.tumblr.com

thebuild.com
http://www.oyez.org/http://www3.law.columbia.edu/hrlr/ejlm.phphttp://www.oyez.org/http://www.oyez.org/http://www3.law.columbia.edu/hrlr/ejlm.phphttp://www3.law.columbia.edu/hrlr/ejlm.php


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JUD IC ATA

Adam Hahn ([email protected]

Blake Masters ([email protected])
mailto:[email protected]:[email protected]:[email protected]:[email protected]:[email protected]

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