Information Retrieval

How to build a search engine: Part 4


This is the last part on building an end-end search engine. In this part we will take a look at how to go about building the front end. This will be an AngularJS application and will consist of some HTML and Javascript. All codes are readily available on Github along with the data itself. Here we will just do a walkthrough of what we are doing to make it all happen.



In this video we talk about Auto ML by Google brain. Auto ML is one of the first successful automated AI projects. Hi, welcome to ColdFusion (formerly known as ColdfusTion). Experience the cutting edge of the world around us in a fun relaxed atmosphere. Google's Artificial Intelligence Built an AI That Outperforms Any Made by Humans Google's New AI Is Better at Creating AI Than the Company's Engineers

Information retrieval document search using vector space model in R


Note, there are many variations in the way we calculate the term-frequency(tf) and inverse document frequency (idf), in this post we have seen one variation. Below images show as the other recommended variations of tf and idf, taken from wiki. Mathematically, closeness between two vectors is calculated by calculating the cosine angle between two vectors. In similar lines, we can calculate cosine angle between each document vector and the query vector to find its closeness. To find relevant document to the query term, we may calculate the similarity score between each document vector and the query term vector by applying cosine similarity .

Search Engine Optimisation: Few Things to Know


SEO or search engine optimisation is an internet marketing process to increase the placement of your website in search results found on search engines like Google and Bing. In order to make your website search engine friendly, SEO companies use some white-hat on-page techniques. In other words, SEO or search engine optimisation includes a set of rules, which are followed by blogs or website owners in order to optimise their websites for search engines. As a business owner one should know what the benefits of SEO services are. SEO is the best marketing strategy to secure your position in the Google algorithm.

Building an end-end search engine


In analytics, we retrieve information from various data sources; it can be structured or unstructured. The biggest challenge here is to retrieve information from unstructured data mainly texts. Here machine learning comes into the picture to overcome this challenge. Different algorithms have been designed in different platforms but here we will discuss one technique that can be applied in python. The process can be explained better by an example.

An introduction to machine-learned ranking in Apache Solr


This tutorial describes how to implement a modern learning to rank (LTR, also called machine-learned ranking) system in Apache Solr. It's intended for people who have zero Solr experience, but who are comfortable with machine learning and information retrieval concepts. I was one of those people only a couple of months ago, and I found it extremely challenging to get up and running with the Solr materials I found online. This is my attempt at writing the tutorial I wish I had when I was getting started. Firing up a vanilla Solr instance on Linux (Fedora, in my case) is actually pretty straightforward.

Data Matching – Entity Identification, Resolution & Linkage


Data matching is the task of identifying, matching, and merging records that correspond to the same entities from several source systems. The entities under consideration most commonly refer to people, places, publications or citations, consumer products, or businesses. Besides data matching, the names most prominently used are record or data linkage, entity resolution, object identification, or field matching. A major challenge in data matching is the lack of common entity identifiers across different source systems to be matched. As a result of this, the matching needs to be conducted using attributes that contain partially identifying information, such as names, addresses, or dates of birth.

A Metasearch Engine That Learns Which Search Engines to Query

AI Magazine

Search engines are among the most successful applications on the web today. So many search engines have been created that it is difficult for users to know where they are, how to use them, and what topics they best address. Metasearch engines reduce the user burden by dispatching queries to multiple search engines in parallel. Not too surprisingly then, the most successful applications on the web to date are search engines: tools that assist users in finding information on specific topics. The first decision requires reasoning about the available resources and the second about ranking the search engines.

How to build a search engine: Part 3


Assuming the dataset is named "people_wiki.csv", Executing this script will result in steaming logs which is ultimately leading to the data getting indexed in elasticsearch. That's how easy it is! Let's spend the next few lines on what actually happened. We declare our elasticsearch object configured on our local machine.

Optimizing a Website for Search Coursera


As you may remember from Module 4 within the last course, Search Engine Optimization Fundamentals, keywords are an extremely important tool for helping your customers find you in an often crowded field. Effective use of keywords on your optimized website can result in free targeted traffic to your site, helping you to reach your business goals. In this module, you will use the keyword research you conducted in the last course and you will learn a process for selecting the best keywords to optimize your website in search results. We will look at concepts like relevancy to the site, keyword intent, how competitive the keyword is in organic search, and how well that term might convert once it receives traffic. We'll also discuss how to identify and evaluate competitors, how to map keywords to pages, and how to create a keyword map for your clients and your own site.