8. Preparation
oSelect the search engine you are going to use
oUse the US version for best results
oSet a limit to the number of results
oMake a directory to store downloads or webpages
oRemove cookies, stored searches, data filled in forms etc to get โclearโ results
9. Queries
Assignment I:
You receive the following request:
โThere is an increase of theft of expensive binocolars in and around
Santa Domingo. We expect stolen binoculars to be sold to
ornithology clubs. Create a list of ornotholigy clubs in DR.โ
What are you going to do?
10. What went wrong?
Mother: Please go to the market and buy a carton of milk. If they have any eggs, bring 6!
I came back with 6 cartons of milk.
Mother (angry): WHY DID YOU BRING 6 BOTTLES OF MILK?
ME: BECAUSE THEY HAD EGGS!
14. Requirements analysis
The goal is:
1. To know exactly what your customer wants
2. To prevent unclarity
3. To know what to not look for
4. Know when to stop searching
5. To add structure and a systematic approach to the research object
15. An answerable question
A question composed in such a way that there cannot be
any misunderstanding about what needs to be done.
16. Vague questions
Assignment II: Is dit an answerable question?
โCan you create a general, but small, list of references with
the latest developments on the chemical leakage in and
around the Rotterdam Harbour, limited to the most
important ones?โ
17. Variables
Too many variables make a vague question you can never answer right!
Soโฆ
Make a list of all variables you can identify
Fill in each variable as good as you can
When doneโฆ. Create a full, answerable question!
Back to the assignment; Name the variables
18. Fill in the variables
โCan you create a general, but small, list of references with
the latest developments on the chemical leakage in and
around the Rotterdam Harbour, limited to the most
important ones?โ
19. Modifiers
Modifiers are used to limit results and increase relevance:
- Time, publication time, event time
- Geographical location, place
- Language
- Source
- Format (reports, maps, videoโs, tweets)
- Amount (number of required documents)
20. Example
Not:
โCould you create a small summary list of references with the latest on the augmented reality
mobile games?โ
But:
โCould you create a list of titles, authors, main subject and publication dates from 15 articles from
these selected newspapers, Times, Guardian and Computer Magazine, published in the last 6
months about trends and developments in the augmented gaming industry in the United
Kingdom?โ
21. Back to assignement I
Add modifiers so you can start the (re)search:
โThere is an increase of theft of expensive binocolars in
and around Santa Domingo. We expect stolen binoculars
to be sold to ornithology clubs. Create a list of ornotholigy
clubs in DR.โ
22. Collection plan
Make a plan of action for research. Nobody does anything without a plan of some sort, big or
small.
Why is it needed?
oThe information landscape is too complex to investigate without a plan
oPrevent getting lost in the Information Overload
oPrevent spending too much time on a single detail
oYou want to finish in time
23. Collection Plan
What does it look like?
oA list of sources to search
oKeywords to search for
oA list of answers you are hoping to find
24. Time to start the (re)research
oPreparations are done
oYou got yourself an answerable question
oYou know what your โclientโ wants
oYou made a collection plan
Start the search and answer the question!
27. Different types of Search Engines
1. Directories
2. Single Search Engines
3. Meta Search Engines
4. Vertical Search Engines
5. Federated Search Engines
6. Fact Retrieval or question answering machines
28. Specific
characteristics:
Directories
When to use:
- To beginโฆ
- If you donโt know anything about the
subject and need a starting point
- to get an idea of the right keywords
Proโs and cons:
- Links are pre-selected
- Is it validated material?
- High relevance
29. Specific
characteristics:
SSE
When to use:
- If you can describe your subject in very precise keywords
- When you know what your looking for
Proโs and cons:
- lots of hits
- low relevance
- simple to use
30. Specific
characteristics
: MSE
When to use:
- Last resort, when other options
donโt work
- To get a hint, about the correct
SSE to use
Proโs and cons:
- Searches the indexes of SSE not
the internet
- Static (not real time)
- Easy and efficiรซnt
31. Specific
characteristics:
VSE
When to use:
- When you know where to search
- When you know quite specific what you are looking for
Proโs and cons:
- specific subject searching
- better relevance
- might be โmoneyโ driven
37. Is the website
reliable?
Is it a likely extension?
Is the content fitting your expectations?
Is there logic contact information with real people?
Which one is real?
www.whitehouse.gov
www.whitehouse.org
www.whitehouse.net
Or: http://www.dhmo.org/
39. Search Tips:
1. Use more than one search engine
2. Use AND to increase relevance
3. Use OR to include synonyms
4. Use semantics
5. Use NOT to exclude unwanted terms
6. Consider web directories
7. Condsider meta search engines
8. Use field names to restrict your search
9. Condiser using Serial search engines
10. Use libarary catalogs