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Global Lens - Visualize World Bank Data
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Global Lens - Visualize World Bank Data

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Global Lens is a novel information visualization system which helps people explore large-scale data from World Bank Datasets.

Global Lens is a novel information visualization system which helps people explore large-scale data from World Bank Datasets.


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  • 1. GlobalLensSI 649 | Final Presentation | 2012.12.17 Wen | Jeff | Jiyoung | Lezhong | An
  • 2. INTRODUCTION● Data source ○ World Bank Groups’ open data library - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -● Three Main Indicators GNI per Health expenditure Life expectancy capita ($) per capita ($) at birth (years) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -● Goals ○ To represent large-scale data ○ To help people exploring interesting information hidden behind.
  • 3. RESEARCH QUESTIONSQ1 How does GNI, Health expenditure and Life expectancy of different countries change over time since 1995 to 2010? - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -Q2 Would these growth mentioned above be various among different countries? - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - What’s the correlation between GNI & HealthQ3 expenditure, GNI & Life expectancy, as well as Health expenditure & Life expectancy? - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -Q4 We also would like to compare these correlation mentioned above among different countries.
  • 4. TARGET USER U1 : Researcher Top-down exploration process- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - U2 : Student Bottom-up exploration process
  • 5. RELATED WORK● WorldBank.org ● Gapminder World - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -WorldBank.org offers dataset of several Gapminder uses a chart bar to presentindex has a rich history, particularly with the indicators.map
  • 6. DESIGN PROCESS (1/2)● Data processing ○ Raw data sets in CSV formats --> implemented a parser in python that parsed all the data into JSON format --> three files after data organization - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -● Design criterias ○ Enable to compare several countries in a one view ○ Enable to display trends overtime ○ Enable to display the correlation between two factors ○ Enable to explore hidden countries
  • 7. DESIGN PROCESS (2/2)Design Decisions● Thematic Map ○ To show a particular theme connected with a specific geographic area. ○ Zoom control for global view & details ○ Mouse hover for tooltip popping out● Relevance Map ○ x-axis and y-axis individually represent two indicators ○ Each bubble represents a country: colors to code continent and size to code its population. ○ Default view of continent bubble to spread out ○ Transparent color avoiding interlacing● Filters
  • 8. DEMOLanding page here andlink to our system
  • 9. SYSTEM DESCRIPTION EVALUATIONFinding 1 Participants felt a little confused about the missing data on the geographical map. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -Finding 2 Bubbles are too crowded on the relevance chart. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -Finding 3 It needs to clearly identify the colors meaning in both geographical map and relevance chart. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - No highlight of countries on the geographicFinding 4 map when users clicked on the bubbles.
  • 10. FUTURE WORKSupporting Indicator Improve Providingmore trend of filter sortingdatasets each options options country
  • 11. THANK YOU