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Project Rabbit

The application that recommends a safe route for pedestrian by predicting the riskiness of the roads.

Team ChasingFox
Daye Kim Juwon Baek Jihu Yang Hyun Roh Heewon Jeong Bryanna Ruiz
Kyunghee University Handong Global University Handong Global University Kyunghee University Chungbuk National University Purdue University

Result of This Project

resultApp

Goal of Rabbit

Team FOX wanted to make the application that can recommend the safe route to the destination. Definition of safe route is ‘The route that has less probability to experience crime’. The Rabbit App is based on an safety route recommendation algorithm that considers the distance and crime occurence rate, as well as factor which shows high association with the crime occurence rate. The boundary of the Rabbit App is limited in Chicago.

Research Problem Statements

Public safety is one of the most significant concerns in the United States since crime rates in the United States are higher than other OECD countries. According to the OECD Better Life Index, the homicide rate (the number of murders per 100,000 inhabitants) of United States is 6, which is 2.6 higher than the average of the OECD countries. Since major map applications, such as Google Map or Apple Map, recommend the route based on the distance from starting point to destination, we, the team Chasing FOX made the application that recommend the route based on distance and safety of the road.

Research Novelty

(1) Not only for the crime data, but also service request and city facility data were used and analyzed to define the road riskiness score.

(2) Road riskiness score is defined based on predicted crime density, and therefore, user can prevent the future crime.

(3) The personal risk perception to the type of crime was considered to define the road riskiness score. This can make application to recommend the personal safety route. It was applied in the direction(or route) recommendation service of the application.

Tech Stack

Division Stack
Front-end
Back-end
Code Management
Formatting
DB

Overall Process

Database ERD

Environment

Front-end

Xcode: 13.3.1
react-native-cli: 7.0.4
type-script: 6.10.4
react-native: 0.68.2
Home brew: 3.6.1
nvm: 0.39.1
node: 16.10.0
watchman: 2022.09.12
cocoapods: 1.11.3
JDK(Java): 11
ffi

Back-end

Java: 1.8.0
Tomcat: 9.0
Spring boot: 2.7.3

Ubuntu 20.04.3
Python: 3.8.10
Flask: 2.2.2
Werkzeug 2.2.2
apache2: 2.4.41(Ubuntu)
⚙ Sign-up / Sign-in API manual

Before you run the code, Java 1.8 and IntelliJ are required. And the database is needed. The schema of the database is as follows:

  1. Install Java 8 You can download Java 8 here (https://www.oracle.com/java/technologies/downloads/).

  2. git clone https://github.com/ChasingFOX/RabbitApp.git

  3. Open IntelliJ You can download IntelliJ here (https://www.jetbrains.com/idea/download/#section=mac).

  4. Open your git folder as a new project.

  5. Edit the database configuration file. Enter your database information in the ‘application.properties’ file.
    path: RabbitApp/RabbitBack/src/main/resources/application.properties

        spring.datasource.url=CHANGE TO YOUR OWN DB URL
    spring.datasource.username=CHANGE TO YOUR USERNAME
    spring.datasource.password=CHANGE TO YOUR PASSWORD

  6. Add ‘Run Configuration’. In this process, you have to set the module to ‘Java 1.8’ and main class as ‘com.purdue.project.RabbitBackApplication’.

  7. Run the code.

⚙ Route API manual

You should follow the below instructions.

  1. Install ubuntu, python3, flask, apache2.
  2. Get Google Drive API credentials file.
  3. Download all code files from GitHub(RabbitBackFlask). And download all pickle files from here.
  4. In Ubuntu, install python packages that I wrote below.
  5. Do some apache2 environment settings that I wrote below.
  6. In fox.py, change from original to app.config['MYSQL_HOST'] = 'YOUR_LOCAL_HOST_IP', folder_id = 'YOUR_OWN_GDRIVE_FOLDER_ID'
  7. In rabbit.conf, change from original to ServerName YOUR_LOCAL_HOST_IP
  8. Start apache2, and request the API once. Then you can get the API key token. You need to do this. sudo chmod 777 token_drive_v3.pickle
  9. After that, restart apache2, and request the API anytime!

  • File Path

      📂/
    └📂etc
      └📂apache2
        └📂sites-available
            └📄rabbit.conf ✅
            └📄000-default.conf
            └...
    └📂var
      └📂www
        └📂rabbit
          └📄fox.py ✅
          └📄way.py ✅
          └📄Google.py ✅
          └📄dataAnalysis.py ✅
          └📄httpd.wsgi ✅
          └📂admin
             └📖2018_ped_raw_data.pkl
             └📖al_riskscore_graph.pkl
             └📖chicago_polygon_ratio.pkl
             └📖crime_weight_info.pkl
             └📖graph_edges.pickle
             └📖r_c_f_ET_0.99996.pkl
             └📖urban_5_dataset.pkl
          └📂userData
             └📖default.pickle
          └📄client_secret.json

  • To install apache2

    sudo apt-get update
sudo apt-get install apache2

  • To set rabbit.conf file to main conf in '/etc/apache2/sites-available'

    sudo a2dissite 000-default
sudo a2ensite rabbit

  • To open port 80

    iptables -I INPUT 1 -p tcp --dport 80 -j ACCEPT
sudo ufw allow 80/tcp

  • To run code, install python packages

    pip install flask
pip install --upgrade google-api-python-client google-auth-httplib2 google-auth-oauthlib
pip install oauth2client
pip install pandas
pip install numpy
pip install osmnx
pip install networkx
pip install matplotlib==3.1.3
pip install plot
pip install plotly
pip install -U scikit-learn
sudo apt-get install python-dev default-libmysqlclient-dev libssl-dev
pip install flask-mysqldb
pip install shapely
pip install geopandas
pip install Flask-API
pip install pycaret

  • To get Google Drive API credentials file

    How to get credentials file

    → From this, you can get a credentials file. Then rename the file to 'client_secret.json'
    → After you run this code once, you can get the token_drive_v3.pickle file. Then run again to start normally.

  • For new generated token_drive_v3.pickle file

    sudo chmod token_drive_v3.pickle 777

  • To (re)start apache2

    sudo systemctl restart apache2