FINDING PATTERNS IN TEMPORAL DATA KRIST WONGSUPHASAWAT JOHN ALEXIS - - PowerPoint PPT Presentation

▶

Apr 30, 2023 151 likes •351 views

FINDING PATTERNS IN TEMPORAL DATA KRIST WONGSUPHASAWAT JOHN ALEXIS GUERRA GMEZ TAOWEI DAVID WANG CATHERINE PLAISANT BEN SHNEIDERMAN HUMAN-COMPUTER INTERACTION LAB UNIVERSITY OF MARYLAND FINDING PATTERNS IN TEMPORAL DATA KRIST

SLIDE 1

FINDING PATTERNS

IN TEMPORAL DATA

KRIST WONGSUPHASAWAT JOHN ALEXIS GUERRA GÓMEZ TAOWEI DAVID WANG CATHERINE PLAISANT BEN SHNEIDERMAN

HUMAN-COMPUTER INTERACTION LAB UNIVERSITY OF MARYLAND

SLIDE 2

FINDING PATTERNS

IN TEMPORAL DATA

KRIST WONGSUPHASAWAT JOHN ALEXIS GUERRA GÓMEZ TAOWEI DAVID WANG CATHERINE PLAISANT BEN SHNEIDERMAN

HUMAN-COMPUTER INTERACTION LAB UNIVERSITY OF MARYLAND

SLIDE 3

NEW STUFF

Needs for an overview -> LifeFlow!

SLIDE 4

TASKS

within days ICU Floor ICU

Example: Finding “Bounce backs”
Other questions

Arrival ICU

SLIDE 5

LIFEFLOW

RECORD RECORD RECORD AGGREGATE

Merge multiple records into tree

VISUALIZE

Display the aggregation

SLIDE 6

AGGREGATE

Aggregate by prefix

#1 #2 #3 #4

Example with records

SLIDE 7

AGGREGATE

Aggregate by prefix

#1 #2 #3 #4

SLIDE 8

VISUALIZE

Inspired by the Icicle tree [Fekete

Number of files

SLIDE 9

VISUALIZE (2)

Use horizontal axis to represent time
Video

SLIDE 10

DEMO – LIFEFLOW

When the lines are combined into flow

SLIDE 11

FUTURE WORK

Comparison

Jan-Mar April-June Intermediate ICU Intermediate ICU Floor

SLIDE 12

TAKE-AWAY MESSAGE

Information visualization is a powerful way to explore temporal patterns. You can work with us

n new case studies.

SLIDE 13

TEMPORAL CATEGORICAL DATA

Electronic Health Records: symptoms, treatment, lab test Traffic incident logs: arrival/departure time of each unit Student records: course, paper, proposal, defense, etc. Others: web logs, usability study logs, etc.

SLIDE 14

EXAMPLE – TRAFFIC INCIDENTS

SLIDE 15

ACKNOWLEDGEMENT

DR. PHUONG HO, DR. MARK SMITH, DAVID ROSEMAN

WASHINGTON HOSPITAL CENTER

http://www.whcenter.org

NATIONAL INSTITUTES OF HEALTH (NIH) - GRANT CA147489

http://www.nih.gov

MICHAEL PACK, MICHAEL VANDANIKER CENTER FOR ADVANCED TRANPORTATION TECHNOLOGY LAB (CATT LAB

http://www.cattlab.umd.edu

SLIDE 16

TAKE-AWAY MESSAGE

Information visualization is a powerful way to explore temporal patterns. You can work with us

n new case studies.

{kristw, jguerrag, tw , plaisant, ben}@cs.umd.edu

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

SLIDE 17

Q&A

Questions?

{kristw, tw , jguerrag, plaisant, ben}@cs.umd.edu

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

SLIDE 18

THANK YOU

Thank you