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Combining Faceted Search with Data-analytic Visualizations on Top of - - PowerPoint PPT Presentation

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Combining Faceted Search with Data-analytic Visualizations on Top of a SPARQL Endpoint VOILA!, ISWC, October 8, 2018 Petri Leskinen 1 , Goki Miyakita 2 , Mikko Koho 1 , and Eero Hyvnen 1,3 1) Semantic Computing Research Group (SeCo), Aalto

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Combining Faceted Search with Data-analytic Visualizations on Top of a SPARQL Endpoint

Petri Leskinen1, Goki Miyakita2, Mikko Koho1, and Eero Hyvönen1,3

1)Semantic Computing Research Group (SeCo), Aalto University, Finland 2)KMD Research Institute, Keio University, Japan 3)HELDIG -- Helsinki Centre for Digital Humanities, University of Helsinki, Finland

VOILA!, ISWC, October 8, 2018

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Contents

  • Introduction
  • Case studies

○ WarSampo ○ Vanhat Norssit in Semantic Web ○ BiographySampo ○ U.S. Congress Prosopographer

  • Summary
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Introduction

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SPARQL-Faceter

(https://github.com/SemanticComputing/angular-semantic-faceted-search)

  • Lightweight client-side solution
  • Angular JS as framework
  • Search large datasets from SPARQL endpoints
  • Person search with certain criteria
  • Extendable to data-analytic visualizations
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WarSampo – Finnish WW II on the Semantic Web

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WarSampo

The casualties page has four different views:

  • Table-like result view
  • Age distribution
  • Personal life paths
  • Bar Charts
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Table-like result view

Person search by chosen criteria on the left side faceter

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Age Distribution

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Life Paths

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Distribution of property values,e.g. place of deaths:

Bar Charts

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Vanhat Norssit in Semantic Web

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Vanhat Norssit on Semantic Web

The highschool alumni site has three different views:

  • Table-like result view
  • Pie Charts and Sankey Diagrams
  • Column Charts
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Links a school with a profession:

Sankey Diagram

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Distribution of most common employers:

Column Charts

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U.S. Congress Prosopographer

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U.S. Congress Prosopographer

The U.S. Congress Prosopographer (https://semanticcomputing.github.io/congress-legislators/) has four different views:

  • Grid-like result view for people
  • Maps
  • Chart
  • Graphs
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Comparing Democratic vs. Republican:

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BiographySampo –

Semantic National Biography of Finland

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BiographySampo

The National Biography of Finland (www.biografiasampo.fi) has sevel different views:

  • Table-like result view for people
  • Table-like result view for places
  • Maps
  • Statistics
  • Networks
  • Relation Search
  • Language Analysis
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Comparison of 19th century clergy and generals:

Maps

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Networks of Finnish people in ULAN:

Networks

Personal network of Eliel Saarinen: A link is formed when person A is mentioned in person B’s biographical texts

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Summary

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SPARQL-Faceter

  • For searching an individual person
  • For defining a group of people with a certain criteria

Visual output:

  • a Table or Grid formatted of people
  • Various kinds of visualizations

○ Maps, Charts, Networks etc. ○ Using an external library, like Google Charts, Cytoscape etc.

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Questions?

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Thank You