Janae  Haag

Janae Haag


Beer Recommendations using Collaborative Filtering with Neo4j

In this post, I’ll outline how to use a Neo4j graph database to generate user recommendations for a data set consisting of users, products, and user ratings for those products.
For my data set I’m using a database of 30,000 different beers (pulled from brewDB’s open API), and 100 users (I asked facebook friends to rate some beers).

#neo4j #recommendation-system #collaborative-filtering #graph-database #database

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Beer Recommendations using Collaborative Filtering with Neo4j
Janae  Haag

Janae Haag


Beer Recommendations using Collaborative Filtering with Neo4j

In this post, I’ll outline how to use a Neo4j graph database to generate user recommendations for a data set consisting of users, products, and user ratings for those products.
For my data set I’m using a database of 30,000 different beers (pulled from brewDB’s open API), and 100 users (I asked facebook friends to rate some beers).

#neo4j #recommendation-system #collaborative-filtering #graph-database #database

Ray  Patel

Ray Patel


Item-Based Collaborative Filtering in Python

The practice of making the item-based collaborative filtering in python.

Item-based collaborative filtering  is the recommendation system to use the similarity between items using the ratings by users. In this article, I explain its basic concept and practice how to make the item-based collaborative filtering using Python.

Basic Concept

Making a Movie Recommender

#item-based-cf #python #collaborative-filtering #movie-recommendation #item-based collaborative filtering #recommender

Why Use WordPress? What Can You Do With WordPress?

Can you use WordPress for anything other than blogging? To your surprise, yes. WordPress is more than just a blogging tool, and it has helped thousands of websites and web applications to thrive. The use of WordPress powers around 40% of online projects, and today in our blog, we would visit some amazing uses of WordPress other than blogging.
What Is The Use Of WordPress?

WordPress is the most popular website platform in the world. It is the first choice of businesses that want to set a feature-rich and dynamic Content Management System. So, if you ask what WordPress is used for, the answer is – everything. It is a super-flexible, feature-rich and secure platform that offers everything to build unique websites and applications. Let’s start knowing them:

1. Multiple Websites Under A Single Installation
WordPress Multisite allows you to develop multiple sites from a single WordPress installation. You can download WordPress and start building websites you want to launch under a single server. Literally speaking, you can handle hundreds of sites from one single dashboard, which now needs applause.
It is a highly efficient platform that allows you to easily run several websites under the same login credentials. One of the best things about WordPress is the themes it has to offer. You can simply download them and plugin for various sites and save space on sites without losing their speed.

2. WordPress Social Network
WordPress can be used for high-end projects such as Social Media Network. If you don’t have the money and patience to hire a coder and invest months in building a feature-rich social media site, go for WordPress. It is one of the most amazing uses of WordPress. Its stunning CMS is unbeatable. And you can build sites as good as Facebook or Reddit etc. It can just make the process a lot easier.
To set up a social media network, you would have to download a WordPress Plugin called BuddyPress. It would allow you to connect a community page with ease and would provide all the necessary features of a community or social media. It has direct messaging, activity stream, user groups, extended profiles, and so much more. You just have to download and configure it.
If BuddyPress doesn’t meet all your needs, don’t give up on your dreams. You can try out WP Symposium or PeepSo. There are also several themes you can use to build a social network.

3. Create A Forum For Your Brand’s Community
Communities are very important for your business. They help you stay in constant connection with your users and consumers. And allow you to turn them into a loyal customer base. Meanwhile, there are many good technologies that can be used for building a community page – the good old WordPress is still the best.
It is the best community development technology. If you want to build your online community, you need to consider all the amazing features you get with WordPress. Plugins such as BB Press is an open-source, template-driven PHP/ MySQL forum software. It is very simple and doesn’t hamper the experience of the website.
Other tools such as wpFoRo and Asgaros Forum are equally good for creating a community blog. They are lightweight tools that are easy to manage and integrate with your WordPress site easily. However, there is only one tiny problem; you need to have some technical knowledge to build a WordPress Community blog page.

4. Shortcodes
Since we gave you a problem in the previous section, we would also give you a perfect solution for it. You might not know to code, but you have shortcodes. Shortcodes help you execute functions without having to code. It is an easy way to build an amazing website, add new features, customize plugins easily. They are short lines of code, and rather than memorizing multiple lines; you can have zero technical knowledge and start building a feature-rich website or application.
There are also plugins like Shortcoder, Shortcodes Ultimate, and the Basics available on WordPress that can be used, and you would not even have to remember the shortcodes.

5. Build Online Stores
If you still think about why to use WordPress, use it to build an online store. You can start selling your goods online and start selling. It is an affordable technology that helps you build a feature-rich eCommerce store with WordPress.
WooCommerce is an extension of WordPress and is one of the most used eCommerce solutions. WooCommerce holds a 28% share of the global market and is one of the best ways to set up an online store. It allows you to build user-friendly and professional online stores and has thousands of free and paid extensions. Moreover as an open-source platform, and you don’t have to pay for the license.
Apart from WooCommerce, there are Easy Digital Downloads, iThemes Exchange, Shopify eCommerce plugin, and so much more available.

6. Security Features
WordPress takes security very seriously. It offers tons of external solutions that help you in safeguarding your WordPress site. While there is no way to ensure 100% security, it provides regular updates with security patches and provides several plugins to help with backups, two-factor authorization, and more.
By choosing hosting providers like WP Engine, you can improve the security of the website. It helps in threat detection, manage patching and updates, and internal security audits for the customers, and so much more.

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#use of wordpress #use wordpress for business website #use wordpress for website #what is use of wordpress #why use wordpress #why use wordpress to build a website

Recommendation System Tutorial with Python using Collaborative Filtering


A recommendation system generates a compiled list of items in which a user might be interested, in the reciprocity of their current selection of item(s). It expands users’ suggestions without any disturbance or monotony, and it does not recommend items that the user already knows.

For instance, the Netflix recommendation system offers recommendations by matching and searching similar users’ habits and suggesting movies that share characteristics with films that users have rated highly.

In this tutorial, we will dive into building a recommendation system for Netflix.

This tutorial’s code is available on Github and its full implementation as well on Google Colab.

The recommendation system workflow shown in the diagram above shows the user’s collaboration regarding the ratings of different movies or shows. New users get their recommendations based on the recommendations of existing users.

According to McKinsey:

75% of what people are watching on Netflix comes from recommendations [1].

Netflix Real-time data cases:

  • More than 20,000 movies and shows.
  • 2 million users.

#collaborative-filtering #artificial-intelligence #machine-learning #recommendation-system #programming

Elton  Bogan

Elton Bogan


Collaborative Filtering on Anime Dataset using fastai2

The post aims to describe what Collaborative Filtering (henceforth abbreviated as CF throughout the length of this post) is all about and subsequently elaborates on how to build a model to perform this task using fastai2. The topics covered in this post are as follows

Click on the topic to navigate to the respective section.

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Photo by Charles Deluvio on Unsplash


In today’s world where data is oil, one way of utilising data is to perform the task of suggestion/recommendation for individuals. In this fast paced world where content is created at an astounding pace, viewers like it when they’re suggested content similar to what they’ve seen before.

In order to do so, the choices, likes, tastes etc. of the users are recorded in the form of ratings or a score which is typically bound in a finite range (most commonly 0–5 or 0–10) where 0 represents that the user strongly disliked the content and 5 or 10 represent that the user found the content very entertaining and to his liking.

Using this data in order to figure out what to next to suggest to a user is what collaborative filtering is all about._ In place of user-anime or user-movie it could be anything like consumer-product or user-news article or subscriber-social media posts and so on._

The more feedback that is obtained from the user, the more relevant the suggestions become because the algorithm gets to understand the tastes of an individual even better.

There are several ways to perform collaborative filtering and today, we’ll be discussing two of them. We’ll be using fastai2 which is a library built by Sylvain Gugger and Jeremy Howard which is an awesome interface built on top of PyTorch for performing deep learning experiments. So, without any further ado, let’s start by understanding the intuition behind CF.

#fastai #data-science #collaborative-filtering #python #recommendations