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T180_5 6: Information on the Web
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Introduction
The World Wide Web is a vast information resource. This unit will provide you with the foundation skills to use search engines
confidently to locate both information and images on the Web. You will also...
1 Accessing online information
1.1 What this unit is aboutIn this unit you will be looking at information that can be found on the Web. You may already have explored the Web and discovered
what an enormous amount of information it contains. Alternatively you...
2 How to do it
2.1 IntroductionIn this section we will cover the following topics:browsing for information on the Web;searching for information on the Web;using
search engines;bookmarking websites;finding images on the Web;how to reference...
2.2 Browsing for information on the WebOne way to find what you are looking for on the Web is to start from sites that you know are likely to have useful ‘links’
on them, like the main Open University pages or the Open University Library pages....
2.3 Searching for information on the WebWhat do you do if you don't know the URL of the website you are looking for, or haven't been able to browse to it? The Web
is not like a library – it isn't carefully organised and catalogued, and it is...
2.4 Using search enginesSearch engines can be very good at finding information since they cover such a huge number of web pages. Unfortunately it
can be difficult to find the one you want in the huge number of hits that they...
2.5 Bookmarking websitesMost browsers allow you to keep a record of links to websites that you have found useful. These are called ‘Bookmarks’ in
Firefox and ‘Favorites’ in Internet Explorer, and may have other names, such as...
2.6 Finding images on the WebAs with websites, one of the easiest ways of searching for images is to use a search engine such as Google. You will see that
above the Google search box are some words that allow you to select what you...
2.7 How to reference sourcesYou have seen how easy it is to find what what you want on the Web. When you quote any information or use any images that
you have not written or created yourself it is important to ensure that you reference...
2.8 Reference sourcing quiz
1 When referencing an image what details should be included alongside the image?
A The URL of the imageB The file name of the imageC The image URL and the date you accessed the siteD The file...
3 An Internet search example
3.1 Searching for your ancestorsIn this section we consider searching for information about your ancestors. We cannot hope to cover all the techniques and
information required to research genealogy, family history and local history;...
3.2 General search enginesAn immediate temptation is to head straight for a search engine such as Google and enter your family name, but a moment's
thought should warn you that the results will be disappointing. This is particularly...
3.3 Focused search sitesAn alternative to using general purpose search engines is to make use of focused search engines that only index known genealogical
sites. For example, the Genealogical Society of the UK and Ireland (GenUKI)...
3.4 DatabasesAn alternative to searching by simple text matching is to look inside a database specifically structured for genealogical
searching. Probably the largest such database is freely available on the Internet....
3.6 Tracing your family treeIn order to show some of the possibilities provided by the Internet, we have gone straight to searching for material online.
A careful family historian would take a more measured approach, starting with...
4 What's going on
4.1 What is a search engine?Search sites are powered by a search engine: a program that can search for web pages that match your query, and then return
a list of hits. The list of hits arrives at your browser as a web page, complete...
4.2 IndexIt is not practical for the search engine to go looking at every page on the Web whenever it receives a search request. Instead,
the search engine consults a vast index to the Web. This index is prepared...
4.3 SearchWhen you submit your query, the search engine will look up each word of the query in the index and construct a list of hits.
Hits are pages that contain all of the words in your query.StemmingLook at your...
4.4 Quality, not quantityIt is common for a web search to return hundreds, or even millions, of hits; certainly too many to check. But uncannily, the
first few hits often contain just what you were looking for. How do search engines...
4.5 What's going on when searching for your ancestorsYou have seen how general purpose search engines work. In this section we consider some of the additional techniques that
are important to genealogical searches.
4.6 Lineage linked dataEarlier you saw how a genealogical database records relationships between people. A lineage linked database allows queries
such as ‘Ada Rosewell the daughter of John Rosewell’ and makes possible the creation...
4.7 SoundexYou will have seen that most genealogical websites and software can match names despite differences in spelling. For example,
FamilySearch provides a check box to choose matches using exact spelling; if...
5 What it means
5.1 Pros and consLet's start by brainstorming the impact that access to information on the Web has had on you and on the people with whom you
are in contact.Make a list of the advantages and disadvantages of getting information...
5.2 Evaluating the quality of information on the WebThe quality of the information you will find on the Web varies enormously as there is no editorial control. Anybody can establish
a website, claiming to be whoever they want to be. As Mark Twain put it:A...
5.3 ChecklistThe Open Library suggests the following mnemonic to help you: PROMPT, for
Presentation
Relevance
Objectivity
Method
Provenance
TimelinessPoor presentation...
6 Where to learn more
6.1 Various resources
The Spider's Apprentice offers general advice, FAQs and a page on how search engines work.
Safari is an interactive website provided by the Open University's Open Libr@ry. Safari covers...
Appendix
The PROMPT checklistIn the table below is a checklist to help you apply the PROMPT criteria, adapted from the Open University Safari. You can
use this to help you evaluate a website.
Genealogical resourcesThis page has links to a number of useful resources on genealogy and family history that may of help to you if you wish to
research your family tree. Some of these resources are free to use; others are...
Acknowledgements
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