Want to check if your name is the voter list for the 2019 elections? Here are two methods that you can use to check if your name is in the 2019 elections. Method 1- Using expertrec custom search engine Using expertrec, you can just type in your name to Read more…
Here are easy to follow steps to track top search queries using Google data studio. Make sure you have enabled google site search tracking in google analytics using query parameter. Have a look at this article /how-to-track-expertrec-custom-search-engine-queries-using-google-analytics/ on how you can set up site search tracking. Login to Google data studio from https://datastudio.google.com/ Read more…
The search relevance metric could change depending on your business. CTR- Click through rate- This is the most simplest and common metric to measure search relevance. If for a given search term, the results you are showing is relevant, the click through rate will be high for the CTR=number of Read more…
What are Stop words? These are commonly found words in documents which add little value to understanding the meaning of a document. Why are stop words important? When we remove stop words from a document, understanding the meaning of the document becomes easier and the context behind the article. For Read more…
To build a complete search engine you would need the following components- Crawler- This goes from one website to another, grabs the content of these websites and stores them in a database. Parser– It processes the data from the crawler, saves the metadata Indexer– Reads the parsed data and Read more…
Solr and elastic search are two most commonly used tools to create search engines. Here is a detailed comparision on the costs, features and performance of both these two search tools . Solr and elastic search are basically sisters to be honest – both are pretty similar with solr being Read more…
In this article, we will see what is indexing and why it is important in a search engine. Every search engine has 3 main components- Crawling. Indexing. Query processing. What is indexing / an index? Let us imaging you have a website that sells laptops online. One of you tasks Read more…
TF stands for term frequency. IDF stands for inverse document frequency. TF-IDF stands for the multiplication between Term frequency and inverse data frequency. Why are these important? These calculations help us in finding out the important words in a text which gives us an idea about what the document is talking about. Read more…
Ngram, bigram, trigram are methods used in search engines to predict the next word in a incomplete sentence. If n=1 , it is unigram, if n=2 it is bigram and so on…. N-grams- This will club N adjacent words in a sentence based upon N If input is “ wireless Read more…
What is stemming? Stemming is reducing a word to the simplest form. For example- running will be simplified to run. While performing a search, the search engine also tries to find not only an exact match to the typed search query, but also other variations of the search query. For Read more…