1. The Big And Far Math Challenge Demonetization
Amit Londhe
ICC

2. SolrWriter Indexes data
Solution Diagram
Visualization
REST
Tweet Retriever
Sentiment Finder
News Retriever
Scrape
SolrWriter Indexes data
GeoLocation Retriever
GeoLocation Analyzer
REST

3. Implementation Collected ~16K tweets from Kaggle and Twitter REST APIs
Programmatic scraping ~3K News Headlines using Spring REST, JSoup APIs along with RegEx
Geospatial Data scraped using
KMLs obtained from Google Maps
MapMyIndia.com NearBy API
Use for finding out News headline and Tweet Sentiments
Used Google Chart to render the visualization of Tweets and News Headlines
Used Google Map JavaScript APIs to plot ATM deserts

4. Primary Questions
Where should banks have considered placing mobile ATMs to best speed up the process?
Proposed solution selects few Hospitals and Schools in Mumbai
Uses MapMyIndia’s NearBy APIs to find out ATMs near this Point of Interests
Mark as Desert if the POI does not have “n” ATMs within 1 mile

5. Primary Questions Which ATMs and bank branches were over-crowded?
Suggested Solution (Not implemented)
Crowd Sourced mobile app could have been built to collect the data -
Data points could be check-in time and check-out time
Location can easily be obtained by Mobile device
Generate Heat Map using Google Maps to see crowded locations
Provision measures such as additional mobile ATMs based on it.

6. Secondary Questions
To what extent does social media data support the study and analysis of the effects of demonetization?
Downloaded tweets (last few days of Nov’16) from kaggle dataset
In addition to those, ingested the Tweets using Twitter REST APIs (can only download past 7 days worth of data free)
Analyzed those tweets for sentiments
Create different charts and word tree to study the effect

7. Secondary Questions
What are the main sentiments expressed by the public and how have they changed since November 8th?
News headlines collected from different sources
Run through sentiment analysis
Word tree created out of news titles
Demo

8. References Tweets about Demonetization between Nov 26th to Nov 30th
Latest tweets about Demonetization – Twitter REST API ( Up to last 7 days)
Apache Solr

9. References Sentiment Analysis of News Headlines and Tweet
Geospatial Data
MapMyIndia.com NearBy API
Visualization
Twitter Bootstrap,
jQuery
Google Maps JavaScript APIs
Google Charts