InfoMiner

InfoMiner is an semi-automatic exploration tool. It enables the user to create topic ontologies by clustering, labelling and querying textual documents. If works as a web application, but will run only on the local machine.

Prerequisites

To use the InfoMiner service, you must first install the following software on your machine:

• Node.js. This engine enables running JavaScript files and is required for running the InfoMiner service. The installation file is available here. By installing Node.js you will also install the Node Package Manager (npm) which is used to install node modules (similar as pip in Python).

• PostgresQL. This is an open source object-relational database system. It is used to store the metadata of the datasets uploaded to InfoMiner. The installation files are found here.

• Git (optional). Git is a free and open source distributed version control system. It is used to acquire and update InfoMiner.

Setting Up the Service

1. Clone or download the service source code (in .zip) onto your computer.

   Git. Run the following command to clone the project repository unto your computer.

   git clone https://github.com/ErikNovak/infominer-public.git

2. Install all project dependencies, e.g. qminer, express, path etc, by running the following command.

   npm install

3. Create a postgresQL database called infominer.

   Windows. In the command line (cmd) run the following command.

   createdb infominer

   Linux. In bash you must first change the user to postgres and then create the database.

   sudo su - postgres
   createdb infominer
   exit

4. Create a file named pgconfig.js in the /src/config folder which contains the following configuration

   module.exports = {
       user: 'postgres',        // insert user name
       database: 'infominer',
       password: '###########', // insert user password
       host: '127.0.0.1',       // better than 'localhost' - mapping sometimes does not work
       port: 5432,              // insert port specified when you installed postgresQL
       max: 10,
       idleTimeoutMillis: 30000
   };

5. Create the required postgresQL tables. This is done by executing the following command.

   npm run postgres:create

   The command shown executes the file /src/load/create-postgres-tables.js.

6. Run InfoMiner by executing the following command in the command line.

   npm run server:gui

   The service will then be available in the browser at the address localhost:3000.

   • Stopping the Service. To stop the service you press ctrl+c to stop the server running InfoMiner. Important: you must wait until the service closes all of the datasets before completely stopping. It will notify the user in the command line when a dataset has been closed.