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…
Expertrec wordpress search plugin helps you build your own custom search engine for wordpress. Expertrec also adds a default custom search template to wordpress. We will see how to edit this template using expertrec’s control panel. Here are steps to create your own Custom search template in wordpress- Create your Read more…
Here are methods to make a PDF searchable for free. Using Google docs Upload your PDF to google drive. Right click on the PDF and open with google docs. This converts the PDF to text format. Now you can search for text within this PDF. You can also use an Read more…
Here are easy steps to create a pdf search bar. Make sure your PDFs are accessible (live). This means your PDF is not inside a drive or in your local system. Make sure your PDFs are not password protected. Have a PDF sitemap created. This improves PDF indexing performance. Go Read more…
In this article we will see how to create a PDF search using the command line. Here we will take the following PDF and see if we can make extract its content searchable. PDF link here Here are the steps- Open a terminal in linux. Use the wget function to Read more…
In this article, we will see how to get your PDF search api using expertrec. This method involves creating a PDF search engine using expertrec. Before attempting the steps below, make sure that your site is live, your sitemap is ready and live. You can also create a seperate PDF Read more…
To search for PDFs, you have to append filetype:PDF to the search query. You can use the following command to search for PDFs in google.
1 | search_query filetype:PDF |
Here is a sample search query for PDFs containing the term Donald Trump.
1 | donald trump filetype:PDF |
Here are steps to create a PDF search box. Go to https://cse.expertrec.com/?platform=cse Create a sitemap mentioning all your PDFs. Enter this as the sitemap URL in your expertrec control panel. Wait for the crawl to complete. Check out your PDF search demo. Go to https://cse.expertrec.com/csedashboard/home/code Now your PDF search bar will Read more…