Information Visualization for Knowledge Discovery

INFORMATION VISUALIZATION

@kristwongz

For knowledge discovery

Krist wongsuphasawat

Computer Engineering, Chulalongkorn University (Intania87, CP30) Dept. of Computer Science & Human-Computer Interaction Lab, Univ. of Maryland Data Visualization Scientist, Twitter

INFORMATION VISUALIZATION INFO. VIS. Data visualization visualization

A picture is worth a thousand words.

Data picture!

INFORMATION VISUALIZATION INFO. VIS.

Using visual representations and interaction techniques, which take advantage of the human eye’s broad bandwidth pathway into the mind, to allow users to see, explore, and understand large amounts of information at once.”

“ [Wikipedia]

Visual representation

10.0 8.04

8.0 6.95

13.0 7.58

9.0 8.81

11.0 8.33

14.0 9.96

6.0 7.24

4.0 4.26

12.0 10.84

7.0 4.82

5.0 5.68

10.0 9.14

8.0 8.14

13.0 8.74

9.0 8.77

11.0 9.26

14.0 8.10

6.0 6.13

4.0 3.10

12.0 9.13

7.0 7.26

5.0 4.74

10.0 7.46

8.0 6.77

13.0 12.74

9.0 7.11

11.0 7.81

14.0 8.84

6.0 6.08

4.0 5.39

12.0 8.15

7.0 6.42

5.0 5.73

8.0 6.58

8.0 5.76

8.0 7.71

8.0 8.84

8.0 8.47

8.0 7.04

8.0 5.25

19.0 12.50

8.0 5.56

8.0 7.91

8.0 6.89

#1 #2 #3 #4

Anscombe�s quartet

Property Value

Mean of X 11.0

Variance of X 10.0

Mean of Y 7.5

Variance of Y 3.75

Correlation between X and Y 0.816

Linear regression y = 3.0 +0.5x

#1 #2 #3 #4

Identical statistics

Anscombe�s quartet

#1 #2 #3 #4

0! 5! 10! 15!0!1!2!3!4!5!6!7!8!9!

0! 5! 10! 15!0!

0! 10! 20!

But very different

map of napoleon’s march minard, 1812

•  geography •  time •  temperature

•  course •  direction •  quantity of troops

London Cholera

Outbreak john Snow, 1854

London Cholera

Outbreak john Snow, 1854

crayons

boys girls

User interactions +

click, drag, zoom, select, change color, etc.!!

=Mantra=

Overview first Zoom and filter

Details on demand

Map of the market Stock market

Stock A

size = market cap

Stock B

color = price change

size = market cap

Stock A Stock B

Map of the Market

Market!falls!steeply!Feb!27,!2007,!!with!one!excep:on!

Market falls 311 points July 26, 2007, with a few exceptions

Market mixed, October 22, 2007

http://www.smartmoney.com/map-of-the-market/

http://newsmap.jp/

newsmap

http://www.derlien.com/

Disk inventory x

relationships Social network

http://www.cs.umd.edu/hcil/socialaction

Person A Person B

Has a relationship

Person A Person B

Strong relationship

Person A Person B

Strong relationship

Person A Person B

Video demo SocialAction

h;p://www.facebookstories.com/stories/1574/#color=con:nent&story=1&country=US!How people are connected on facebook by country

Geographic New york taxi

h;p://www.ny:mes.com/interac:ve/2010/04/02/nyregion/taxiKmap.html!

Interactive charts Baby name voyager

http://www.babynamewizard.com/voyager

temporal Data time time time

LIFE event!

event!event!

event!event!event!

event!

event! event!event!

( 7:00 am, Wake up )

LIFE event!

event!event!

event!event!event!

event!

event! event!event!

Time Event type!

LIFE event!

event!event!

event!event!event!

event!

event! event!event!

“Event Sequence”

( 7:00 am, Wake up ) ( 7:10 am, Shower ) ( 7:30 am, Breakfast )

Electronic health records

( 8:50 am, ER) ( 9:15 am, ICU ) ( 8:40 am, Arrival )

Electronic health records

Event Sequences

and more…

Medical Transportation

Education

Web logs

Sports

Logistics

ARRIVAL Arrive the hospital

EMERGENCY Emergency room

ICU Intensive Care Unit

FLOOR Normal room

EXIT-ALIVE Leave the hospital alive

EXIT-DEAD Leave the hospital dead

Patient transfers

Save more lives!

Emergency Department Pa:ent!ID:!45851733 !!

12/02/2008!14:26 !Arrival!12/02/2008!14:26 !Emergency!12/02/2008!22:44 !ICU!12/05/2008!05:07 !Floor!12/08/2008!10:02 !Floor!12/14/2008!06:19 !Discharge!!

Pa:ent!ID:!45851732 !!12/02/2008!14:26 !Arrival!12/02/2008!14:26 !Emergency!12/02/2008!22:44 !ICU!12/05/2008!05:07 !Floor!12/08/2008!10:02 !Floor!12/14/2008!06:19 !Discharge!!

Pa:ent!ID:!45851731 !!12/02/2008!14:26 !Arrival!12/02/2008!14:26 !Emergency!12/02/2008!22:44 !ICU!12/05/2008!05:07 !Floor!12/08/2008!10:02 !Floor!12/14/2008!06:19 !Discharge!!

6,000+ patients per month

What happened to the patients?

Arrival

Video demo Creating LifeFlow

LifeFlow

Video demo Data Analysis with LifeFlow

User interactions +

click, drag, zoom, select, change color, etc.!!

Data types classified by

1D: Linear

2D: Map

3D: Molecules, Biology Multi dimensional (4+ D)

Temporal

Network

DATA ANALYSIS PRESENTATION Detect pattern, trend, outliers! Communicate!

Benefits of

DATA ANALYSIS

presentation

Drawbacks: misleading

Drawbacks: misleading (2)

Visual representation User interactions +

DATA ANALYSIS Detect pattern, trend, outliers!

PRESENTATION Communicate!

@kristwongz Krist wongsuphasawat

krist.wongz@gmail.com http://kristw.yellowpigz.com

http://services.alphaworks.ibm.com/manyeyes/app

Many eyes

Visual representation User interactions +

DATA ANALYSIS Detect pattern, trend, outliers!

PRESENTATION Communicate!

@kristwongz Krist wongsuphasawat

krist.wongz@gmail.com http://kristw.yellowpigz.com

Information Visualization for Knowledge Discovery

Technology

Molecular and data visualization in drug discovery

Knowledge Discovery and Data Mining I · Data Visualization Techniques Type Idea Examples Geometric Visualization of geometric transformations and projec-tions of the data 20 40 20

Data and Knowledge Visualization in Knowledge Discovery Process

Visualization to Support the Discovery of Prosodic

Knowledge Discovery - IST Department at RITrpv/local/syllabi/discovery/KnowledgeDiscovery1.pdfThe Process • Guided Discovery – PBL – Knowledge Discovery – Learn through examples

The role of explicit knowledge - Visual Analytics€¦ · Knowledge in Visualization wisdom knowledge information data [Ackoff, 1989] knowledge-assisted visualization [Chen M. et

Coupling visualization and data analysis for …graphics.cs.ucdavis.edu/~hamann/RuebelBethelBigginEisen...Coupling visualization and data analysis for knowledge discovery from multi-dimensional

Visualization of Relational Text Information for Biomedical Knowledge Discovery James W. Cooper IBM T J Watson Research Center Hawthorne, NY

Knowledge Discovery and Visualization in Healthcare

Trends Discovery in Distance Education with Visualization

Visualization Techniques: Which is the Most Appropriate in the … · 2012-09-12 · Visualization Techniques: Which is the Most Appropriate in the Process of Knowledge Discovery

Information Visualization for Knowledge Discovery: An Introduction

Knowledge Discovery - Publishing and …aew.wzw.tum.de/.../Lecture_Slides_2_Knowledge_Discovery_Textmining.pdfTechnische Universität München Knowledge Discovery - Publishing and

Visualization Knowledge (VisKo) Software Requirements ... · Visualization Knowledge (VisKo) Software Requirements Specification ... Software Requirements Specification Software

Analytical Visualization Framework - a visual data processing and knowledge discovery system

Knowledge Discovery Problem

Knowledge Discovery in High Dimensional Data: Case … · Knowledge Discovery in High Dimensional Data: Case Studies and a User Survey for an Information Visualization Tool Jinwook

BioBroker: Knowledge Discovery Framework for … the knowledge discovery on heterogeneous ontologies. In this study, we presented a knowledge discovery framework BioBroker,

WPS A Visualization and Data Discovery Platform

PREVENTING SEPSIS: ARTIFICIAL INTELLIGENCE, KNOWLEDGE DISCOVERY, & VISUALIZATION Phillip Chang, MD (Dept of Surgery) Judy Goldsmith, PhD (Dept of Computer