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A Quick Guide to Using Boolean: Top 5 Tricks

A Quick Guide to Using Boolean: Top 5 Tricks

Improve your search results with Boolean search operators.

Introduction to Boolean

First off, what the heck is Boolean you may be asking? Boolean search operators are simple terms like AND, OR and NOT or modifiers like quotation marks “”, parentheses () or an asterix*. You use these in conjunction with your search terms to help narrow down your search.

Most search engines, databases and of course library catalogues allow you to use these when looking for books or articles.

Top Tip 1: AND

This makes sure that your search results include all the words you need.

e.g. Zombies AND Aliens

It will remove any results that do not contain all these terms.

Top Tip 2: NOT

This is a great option for editing out results when searching.

e.g. Apocalypse AND Zombies NOT Aliens

Top Tip 3: Quotation marks “”

Quotation marks are one of my favourite search modifiers. Use them to make sure you have an exact match returned. This can be handy for a book or article title if you know exactly what you are looking for.

e.g. “Brave new world”

Top Tip 4: Asterix *

This little “star” is better known as a wildcard and is a pro tip for those who struggle with spelling or want to find results with a variation of the keyword.

e.g. If you use it with say the word Develop* it will return results including “development,” “developer,” and “developing.”

Top Tip 5: Parentheses ()

This is where you can start to get fancy! Use parentheses to group together keywords and control the order they will be searched for.

e.g. (Alien OR Zombie) AND Apocalypse

Now there is another Boolean operator OR (seen above helping out the zombie and alien search) which didn’t make the top 5 but is definitely top 6. Use OR to allow results using multiple keywords.

e.g. (Aliens OR Zombies OR Kittens) AND Apocalypse.

Combining Terms

The best thing about Boolean is it allows you to combine all these operators to make highly specific searches saving you time and effort trawling through pages of results.

e.g. (Aliens OR Zombies) AND Apocalypse AND “Tuesday Morning” Start*

LibrarySearch

Our LibrarySearch Library catalogue helps you to get started with this. Simply click on “Advanced Search” and you will see options to use Boolean operators.

Screenshot of Librarysearch Boolean search operators

So why not give them a go today!

By Juliet Kinsey

Read more study tips in our article on preparing for exams.

 

Welcome to the Library: Introduction Sessions

Welcome to the Physical Library

This session introduces the Campus Libraries and signposts to further support.

person holding booksWe’ll demonstrate how to:

  • Use the App to book study spaces, check your library account, add print credit and more.
  • Use the machines in libraries, like our printer/scanners, self-service checkouts and laptop loan safes.
  • Find a book on the shelf using the shelfmark number.

The Dewey Decimal Classification System

Photo by Susan Q Yin on Unsplash

History

This Organisational system was conceived by Melvil Dewey in 1873 and first published in 1876. It is one of the most widely used in the world.

Use

The DDC as it is shortened to, is used to organise books by subject. Each item is given a shelf mark identifier so it can be located easily. The main subject areas are:

000        Computer science, information, and general work

100        Philosophy and psychology

200        Religion

300        Social sciences

400        Language

500        Science

600        Technology

700        Art and recreation

800        Literature

900        History and geography

The first 3 digits are the main subject area.  The numbers after the point give a subsection. After the numbers there are 3 letters to represent the author or editor. For example 941.34  DAI This refers to a book on Edinburgh by David Daiches.  Books with the same DDC number are shelved first by their number, then in alphabetic order by author or Editor.

If you want a very fun (and most definitely silly) video on how to find a book, this YouTube video is perfect:

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