Pragmatic Programming Techniques

This is the second part of my text processing series.  In this blog, we'll look into how text documents can be stored in a form that can...

Entity recognition is commonly used to parse unstructured text document and extract useful entity information (like location, person, brand)...

You can think of planning as a graph search problem where each node in the graph represents a possible "state" of the reality. A ...

Optimization is a very common problem in data analytics.  Given a set of variables (which one has control), how to pick the right value such...

I recently received an email from an audience of my blog on Map/Reduce algorithm design regarding how to detect whether a graph is acyclic ...

In analyzing social network, one common problem is how to detecting communities, such as groups of people who knows or interacting frequentl...

In Machine Learning, gradient descent is a very popular learning mechanism that is based on a greedy, hill-climbing approach. Gradient De...