Basic Search Advanced Search Search Preferences

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1 1 sur 6 23/11/ :50 Basic Search Advanced Search Search Preferences Search Tips General Search Tips General Search Tips Basic Search Tips Advanced Search Tips Results Page Tips Frequently Asked Questions Subscribe to Scirus News Updates To perform a search with Scirus, enter your keyword(s) in the box provided and click on the Search button. You may find it helpful to narrow your search by placing special characters in front of your keywords: +keyword(s) - all of your search results will contain this word -keyword(s) - none of your search results will contain this word "keyword(s)" - all of your search results will contain this phrase Be aware not to use a space after the + or the -. If you narrow your search using abbreviation, make sure to put the + or the - before the abbreviations. So -au:smith should give you no authors with the name smith in the author field. Scirus also recognises Boolean terminology: OR AND NOT AND - your search results will contain all of your keywords. For example, a search on women AND health will return results that contain the words women and health in the text. OR - your search results will contain at least one of your keywords. For example, a search on algebra OR trigonometry will return results that either contain the word algebra or the word trigonometry in the text. ANDNOT - your search results will contain one of your keywords but not the other. For example, a search on gas ANDNOT helium will return results that contain the word gas in the text but not the word helium. You can narrow your searches using abbreviations. You may find the following abbreviations useful: au:author ti:title jo:journal title ke:keywords url:url dom:domain name af:author affiliation(s) You can also easily search narrow your search via the dropdown menu on the Advanced Search Page When you use the search syntax, please make sure you put colons (:) between the abbreviation and your search query. So au:smith, when you are searching for the author Smith. Be aware not to use spaces between the abbreviation, the colon and the keyword. If you are using + or - in combination with abbreviations, make sure to put the

2 2 sur 6 23/11/ :50 + or the - before the abbreviation. So -au:smiths should give you no authors with the name smith in the author field. You can also easily search narrow your search via the dropdown menu on the Advanced Search Page. Basic Search Tips To perform a search with Scirus, enter your keyword(s) in the box provided and click on the Search button. You can narrow your search by selecting one of the following options from the pull-down box: All of the words - your search results will contain every word you have entered in the search box. Any of the words - your search results will contain one or more of the words you have entered in the search box. Exact phrase - your search results will contain this exact phrase. Show Results From When you are conducting a search, you can choose to see results from two different sources: Web sources and journal sources. What Are Web Sources? When you ask to see results from Web sources, Scirus looks for information drawn from Internet sites and Web pages. This includes: university Web sites society homepages news pages conference information patent information e-prints/preprints company homepages product information This information is usually freely accessible to anyone via the Worldwide Web. If you do not wish to view results from Web sources when conducting a search, de-select the tick box next to Web sources on the Basic Search page. What are Journal Sources? When you ask to see results from journal sources, Scirus looks for information that is journal based and generally peer-reviewed. For an overview of our journal sources, go to the Advanced Search page. More information on our information sources can be found here. You may need a subscription or online registration to access this information. If you do not wish to view results from journal sources when conducting a search, de-select the tick box next to Web sources on the Basic Search page. Show Results Per Page You can choose the number of results you would like to see per page, by selecting 10, 25, 50 or 100 from the pull-down menu on the Basic Search page. Save and Edit Settings You can save your search preferences for future use - simply click on the Search Preferences link, choose your options and click on Save Preferences. These preferences will then be available to you each time you visit Scirus. You

3 3 sur 6 23/11/ :50 can adjust these preferences at any time. Advanced Search Tips What are Information Types? Information types are sources of information from which Scirus can return results. These include: articles patents preprints conferences abstracts You can choose to limit your search results to any number of these sources, simply by selecting the checkbox beside the relevant information type. What are Information Sources? Scirus shows search results from two different information sources: journal sources and Web sources. When Scirus returns results from journal sources, it shows information that is journal based and generally peer-reviewed. This includes: full-text articles from ScienceDirect full-text articles from BioMed Central MEDLINE citations on Pubmed You may need a subscription or online registration to access this information. You can choose to limit your search results to any number of journal sources, simply by selecting the checkbox beside the relevant journal source. When Scirus returns results from Web sources, it shows information drawn from Internet sites and Web pages. This includes: university Web sites society homepages news pages conference information patent information e-prints/preprints company homepages product information This information is usually freely accessible to anyone via the Worldwide Web. You can choose to limit your search results to Web sources only, simply by selecting the All Web sources checkbox. What are Subject Areas? Scirus covers a wide range of scientific subject areas to allow you to narrow down your search results. You can choose to search in all areas or on any number of selected subjects, simply by selecting the checkbox beside the relevant subject area. Show Results Published Between This feature enables you to sort your search results according to month and year. Simply select a month and year in each of the pull-down boxes.

4 4 sur 6 23/11/ :50 Show Results Per Page You can choose the number of results you would like to see per page, by selecting 10, 25, 50 or 100 from the pull-down menu on the Advanced Search page. Save Settings After conducting an advanced search on Scirus, you can save your settings for future use, simply by clicking on the Save Settings button. These preferences will then be available to you each time you visit Scirus. You can choose to use these preferences during a search session, by clicking on the Use Saved Settings button. You can adjust these preferences at any time. Results Page Tips What Are Web Results? Scirus shows search results from two different information sources: Web sources and journal sources. When Scirus returns results from Web sources, it shows information drawn from Internet sites and Web pages. This includes: university Web sites society homepages news pages conference information patent information e-prints/preprints company homepages product information This information is usually freely accessible to anyone via the Worldwide Web. What Are Journal Results? When Scirus returns results from journal sources, it shows information that is journal based and generally peer-reviewed. This includes: full-text articles from ScienceDirect full-text articles from BioMed Central MEDLINE citations on Pubmed You may need a subscription or online registration to access this information. What Does Sort by Relevance Mean? You can view your search results ranked according to relevance. Scirus uses an algorithm to calculate ranking by relevance. This ranking is determined by two basic values: 1. Term frequency - the location and frequency of a search term within a result are measured. 2. Link analysis - the number of links to a page account for part of the relevance ranking system as well - the more often a page is referred to by other pages, the higher it is ranked. Overall ranking is the weighted sum of the static and dynamic rank values. Scirus does not use metatags, as these are subject to ranking-tweaking by

5 5 sur 6 23/11/ :50 users. What Does Sort by Date Mean? You can view your search results sorted in chronological order, providing you have 10,000 search results or less, by clicking on the Sort by date link. Save Selected Results You can save search results you are interested in, for future reference, by clicking on the checkbox in the front of the result(s). Then click on Save Selected Results. You can remove all or individual saved results at any time. Selected Results You can results to colleagues by clicking on the checkbox in the front of the result(s). Then click on Selected Results. Refine Your Search Refine Using Suggested Search Terms Scirus offers you a list of terms that appear most often in your search results. By clicking on one of the suggested terms, your search results will be refined according to that particular term or keyword. Refine Using Your Own Search Terms You can also refine your search by entering one or more keywords in the search box and clicking on the Refine button. Frequently Asked Questions How can I receive a user name and password to access articles from ScienceDirect? ScienceDirect is a subscription service offering access to the Elsevier journal collection (over 1,800 titles), along with journals from a host of prestigious societies and STM publishers. Your librarian should be able to provide you with access to ScienceDirect. If your institute does not subscribe to ScienceDirect, check with your librarian if your institute subscribes to ScienceDirect Web Editions. Designed to provide desktop access to the full text of most Elsevier journals in print subscribed holdings, ScienceDirect Web Editions offers the most basic form of electronic access available on the ScienceDirect platform. Elsevier Academic, Governmental and Corporate institutional print customers are offered a special service. At no extra cost, ScienceDirect Web Editions is provided as a value-add service to institutional print subscribers. For further information please visit Is Scirus free? There is no charge for using Scirus. This means you can access over 167 million science-related pages from the Web for free. In addition, Scirus shows search results from journal sources. You may need a subscription or online registration to access this information. For more details please go to the Advanced Search page, where you will find information on each of the sources. I have just submitted a Web site via Submit Web site. How will I know if my site has been accepted? The Scirus index is refreshed monthly, so if your site has been accepted for inclusion in the next index of Scirus, you will be able to find it after the new index has been released. Please be aware that in order to be included, your Web site must contain science-related information and allow access to the Scirus Web crawler.

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