Metaschool Module 3 2

Ellinogermaniki AgogiEllinogermaniki Agogi

Co-funded by the European Union,through the Comenius Programme

Strategies for searching Strategies for searching information onlineinformation online

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Strategies for searching information online

Structure Structure

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StructureStructure

• IntroductionIntroduction• Searching StrategiesSearching Strategies• COSMOS Portal SearchingCOSMOS Portal Searching• Organic Portal SearchingOrganic Portal Searching• Conclusions Conclusions

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Digital content is usefulDigital content is useful......

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… … only if you are able to find what only if you are able to find what you are looking foryou are looking for

The main issue is to find educational The main issue is to find educational content and use it effectively content and use it effectively

Search at Google for circular

motion returns 29.000.000

pages

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Effective internet searchingEffective internet searching

• Understand what a search engine is and Understand what a search engine is and how it workshow it works

• Learn the techniques and strategies Learn the techniques and strategies needed to search quickly and needed to search quickly and effectivelyeffectively

• Learn how to evaluate your resultsLearn how to evaluate your results• Be the engine (OK, a little too Zen)Be the engine (OK, a little too Zen)

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Basic Search Techniques Basic Search Techniques (1/3)(1/3)

1. Identify your concepts 1. Identify your concepts – When planning your search, break down When planning your search, break down

your topic into its separate concepts. Let's your topic into its separate concepts. Let's say you're interested in the effects of say you're interested in the effects of global warming on crops. In this case, you global warming on crops. In this case, you have two concepts: GLOBAL WARMING and have two concepts: GLOBAL WARMING and CROPS. CROPS.

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2. Make a list of search terms for 2. Make a list of search terms for each concepteach concept – Once you have identified your concepts, list Once you have identified your concepts, list

the terms which describe each concept. the terms which describe each concept. Some concepts may have only one term, Some concepts may have only one term, while others may have many. while others may have many.

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3. Specify the logical relationships among 3. Specify the logical relationships among your search termsyour search terms – Once you know the words you want to search, you Once you know the words you want to search, you

need to establish the logical relationships among need to establish the logical relationships among them using Boolean logic: them using Boolean logic: AND, OR, NOT.AND, OR, NOT.

– To keep things simple, you don't need to use all To keep things simple, you don't need to use all the words you've compiled in a single search. The the words you've compiled in a single search. The words are there to help you experiment with words are there to help you experiment with different searches until you find what you want. different searches until you find what you want.

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Directory v. Search EngineDirectory v. Search Engine• Human-organized Human-organized

collection of resourcescollection of resources• Often organized by Often organized by

topictopic• Often annotated and Often annotated and

sortedsorted• Often searchableOften searchable• Many high quality Many high quality

educational educational directoriesdirectories

• Computer-collected Computer-collected resourcesresources

• Findings depend on Findings depend on search termssearch terms

• Rankings depend on Rankings depend on key words and site key words and site popularitypopularity

• Results depend on Results depend on skill of searcherskill of searcher

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COSMOS PortalCOSMOS Portal

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COSMOS COSMOS Searching Searching andandDownloadingDownloading (1/2) (1/2)

• After the user registration and authentication, After the user registration and authentication, one is able to search through the COSMOS one is able to search through the COSMOS Repository and download the material of his Repository and download the material of his choice.choice.

• In the COSMOS Repository one can search for In the COSMOS Repository one can search for Educational Content and Learning Activities Educational Content and Learning Activities following the respective links in the Explore following the respective links in the Explore COSMOS section of the COSMOS section of the COSMOS COSMOS RepositoryRepository. .

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COSMOS COSMOS Searching Searching andandDownloadingDownloading (2/2) (2/2)

• At At COSMOS COSMOS RepositoryRepository by using the provided by using the provided user interfaces you can find the material you user interfaces you can find the material you are looking for. You can also browse through are looking for. You can also browse through the top rated material in each category.the top rated material in each category.

• You can download the file from the provided You can download the file from the provided link and also you can view and download the link and also you can view and download the xml file containing the metadata record of the xml file containing the metadata record of the material.material.

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Organic EdunetOrganic Edunet

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Organic Edunet Search (1/3)Organic Edunet Search (1/3)

• In the Organic.Edunet Web portal, users may In the Organic.Edunet Web portal, users may search or browse for educational resources on search or browse for educational resources on Organic Agriculture and Agroecology using Organic Agriculture and Agroecology using fivefive different mechanisms: different mechanisms:

1. 1. Text-Based SearchText-Based Search: works in a typical text-: works in a typical text-based searching way. It looks for the based searching way. It looks for the keywords that the user is typing, into the title keywords that the user is typing, into the title and description of all the educational and description of all the educational resources in the federation. resources in the federation.

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2. 2. BrowseBrowse: works by allowing the user to : works by allowing the user to browse through all the educational resources browse through all the educational resources in the federation in a multi-faceted way. in the federation in a multi-faceted way.

3. 3. Semantic NavigationSemantic Navigation: allows users to : allows users to search for resources according to an ontology search for resources according to an ontology of Organic Agriculture concepts, providing of Organic Agriculture concepts, providing results that are related to the particular results that are related to the particular concepts in the ontology. concepts in the ontology.

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4. 4. Social NavigationSocial Navigation: allows users to search : allows users to search for resources according to the way other for resources according to the way other users have annotated (e.g. tagged or rated) users have annotated (e.g. tagged or rated) them in the past. Users can either search for them in the past. Users can either search for resources that have been tagged with a resources that have been tagged with a particular wordparticular word,, or can see which resources or can see which resources are most popular to other usersare most popular to other users..

5. 5. Search for Educational ScenariosSearch for Educational Scenarios: allows : allows users to search for educational scenarios and users to search for educational scenarios and their resources. their resources.

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Critical LinksCritical Links

• Internet is more than Internet is more than computer networkcomputer network

• Internet is a network of Internet is a network of peoplepeople

• Unparalleled ability to Unparalleled ability to collaboratecollaborate

• Universal Internet access Universal Internet access does not guarantee success does not guarantee success in education in education

• Teachers are the critical Teachers are the critical linkslinks

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ConclusionsConclusions

• In this In this presentetionpresentetion, we've explored , we've explored some basic search techniques. These some basic search techniques. These should cover many of your search should cover many of your search needs. But there is much more. Many needs. But there is much more. Many search engines search engines and learning and learning repositories repositories offer a variety of other offer a variety of other options to help you retrieve the results options to help you retrieve the results you wantyou want..

Metaschool Module 3 2

Education

Transcript of Metaschool Module 3 2