October 14, 2020
Artificial Intelligence and Machine Learning for Healthcare

Artificial Intelligence (AI), machine learning, and deep learning are taking the healthcare industry by storm. They are not pie in the sky technologies any longer; they are practical tools that can help companies optimize their service provision, improve the standard of care, generate more revenue, and decrease risk. Nearly all major companies in the healthcare […]

June 24, 2020
Natural Language Processing vs. Machine Learning vs. Deep Learning

What is Natural Language Processing? Natural Language Processing (or NLP) is an area that is a confluence of Artificial Intelligence and Linguistics. It involves intelligent analysis of written language. If you have a lot of data written in plain text and you want to automatically get some insights from it, you need to use NLP […]

June 24, 2020
A survey of the latest chatbot APIs

So you want to build your own chatbot, and you want to do it quickly? Well, you’re in luck; several businesses have opened up their chatbot API’s to the public, so you can use them with little to no programming experience. Here’s a run down of some of the most popular API’s that are available […]

June 24, 2020
Why are chatbots cool, and where are they headed?

The next new wave of Artificial Intelligence is here in the form on Chatbots — which enables end users to communicate directly with machines that are programmed to converse with humans. Several message interfaces such as Facebook Messenger are perfect avenues for deploying chatbots on already existing chat frameworks. Chatbots provide a huge advantage over live communication […]

June 24, 2020
What is Natural Language Processing (NLP)?

In this post, we will break down NLP further and talk about Rule-Based and Statistical NLP. I will discuss why everyone needs to know about NLP and AI (Artificial Intelligence), how Machine Learning (ML) fits into the NLP space (it is indispensable actually) and how we are using it in our daily life even without […]

June 23, 2020
AI solutions against bias and discrimination - do 2020 machines give a new chance for humanity?

Human history has an unfortunate record of discrimination and biases against each other that follow us from ancient times. A conscious effort towards developing inclusive and equal social systems is a necessity. In the increasingly automated world, where computers interact with humans, Artificial Intelligence gives us another shot at making the world a fairer place […]

June 19, 2020
Online Word2Vec for Gensim

Word2Vec [1] is a technique for creating vectors of word representations to capture the syntax and semantics of words. The vectors used to represent the words have several interesting features. Here are a few: Addition and subtraction of vectors show how word semantics are captured: e.g. king - man + woman = queen. This example […]

June 18, 2020
Understanding your Data - Basic Statistics

Have you ever had to deal with a lot of data, and don't know where to start? If yes, then this post is for you. In this post I will try to guide you through some basic approaches and operations you can perform to analyze your data, make some basic sense of it, and decide […]

June 17, 2020
All about that Bayes - An Intro to Probability

RANDOM VARIABLES In this world things keep happening around us. Each event occurring is a Random Variable. A Random Variable is an event, like elections, snow or hail. Random variables have an outcome attached them - the value of which is between 0 and 1. This is the likelihood of that event happening. We hear […]

June 17, 2020
Build your own Search Engine

Post by Dr. Rutu Mulkar-Mehta In this post, I will take you through the steps for calculating the $ tf \times idf $ values for all the words in a given document. To implement this, we use a small dataset (or corpus, as NLPers like to call it) form the Project Gutenberg Catalog. This is […]

June 17, 2020
The Math behind Lucene

Lucene is an open source search engine, that one can use on top of custom data and create your own search engine - like your own personal Google! In this post, we will go over the basic math behind Lucene, and how it ranks documents to the input search query. THE BASICS - TF*IDF The […]

June 3, 2020
Fuzzy Matching - a Simple Trick

Ever wondered how Google knows what you mean even though you make spelling mistakes in each word of your query? In this short post, we would like to discuss a very simple but efficient method of fuzzy matching. It allows you to find the non-exact matches to your target phrase; not synonyms but rather phrases […]

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