Pattern Finding in Point & Interval Event Sequences Ben - - PowerPoint PPT Presentation

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Pattern Finding in Point & Interval Event Sequences Ben - - PowerPoint PPT Presentation

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Pattern Finding in Point & Interval Event Sequences Ben Shneiderman ben@cs.umd.edu @benbendc Founding Director (1983-2000), Human-Computer Interaction Lab Professor, Department of Computer Science Member, Institute for Advanced Computer

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Pattern Finding in Point & Interval Event Sequences

Ben Shneiderman ben@cs.umd.edu @benbendc

Founding Director (1983-2000), Human-Computer Interaction Lab Professor, Department of Computer Science Member, Institute for Advanced Computer Studies

University of Maryland College Park, MD 20742

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Interdisciplinary research community

  • Computer Science & Info Studies
  • Psych, Socio, Poli Sci & MITH

(www.cs.umd.edu/hcil)

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Patient Histories: Our Research

www.cs.umd.edu/hcil/toolname Tool Event Types Records Display LifeLines Points, Intervals One Individual LifeLines2 Points Many Individual, Summary Similan Points Many Individual LifeFlow Points Many Individual, Aggregate EventFlow Points, Intervals Many Individual, Aggregate

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LifeLines: Patient Histories

www.cs.umd.edu/hcil/lifelines

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LifeLines2: Contrast+Creatine

www.cs.umd.edu/hcil/lifelines

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LifeLines2: Align-Rank-Filter & Summarize

www.cs.umd.edu/hcil/lifelines

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LifeLines2: Align-Rank-Filter & Summarize

www.cs.umd.edu/hcil/lifelines2

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Similan: Search

www.cs.umd.edu/hcil/similan

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LifeFlow: Aggregation Strategy

Temporal Categorical Data (4 records) LifeLines2 format Tree of Event Sequences LifeFlow Aggregation

www.cs.umd.edu/hcil/lifeflow

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LifeFlow: Interface with User Controls

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EventFlow: Original Dataset

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LABA_ICSs Merged

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SABAs Merged

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Align by First LABA_ICS

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Reduce Window Size

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Overview + Details

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Current Directions

  • Motif Simplifications: Find & Replace
  • Query Features
  • Menus & Graphical Query
  • Absence for Points & Intervals
  • Flexible Temporal Patterns
  • Scalability
  • Event types, Events, Records, Query complexity
  • LP Algorithm
  • Long-term Case Studies
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30th Annual Symposium May 22-23, 2013

www.cs.umd.edu/hcil

@benbendc