embase technology showcase mla v9
DESCRIPTION
Presented at MLA2011. Improved indexing changes are outlined as well as significant improvements to saving searches as part of a systematic search workflow.TRANSCRIPT
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Evidence-Based Medicine Support for Medical Librarians
Minneapolis, USAMLA 2011
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Emtree: Biomedical thesaurus, over 60k terms
Embase: Fully indexed: Over 7,700 journals, 1974-
MEDLINE: 2,500 journals unique to Embase, mapped to Embase
indexing, 1950- (including MEDLINE Classic)
Embase Classic:
Digitally scanned and
re-indexed, 1947-1973
AIP and In Process:
Indexing added, from 2009
Conference Abstracts:
Indexing added, from 2009
1947 1950 1974 2009
Embase Content Overview
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Agenda
Emtree• Regular updates• Backposting
Indexing• NEW study type and
changes to existing ones
Workflow• Search Strategies
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Emtree (from Jan 2011)
• 60K preferred terms (more than 29K drugs and chemicals)
• >260,000 synonyms (>172,000 drugs and chemicals)• 7,500 explosion terms (that define the hierarchical
structure)• 78 subheadings (64 drug and 14 disease subheadings)• 14 study types including Randomised Controlled Trial,
Systematic Reviews and the NEWLY introduced Diagnostic Test Accuracy Study
• Links to over 21,000 CAS registry numbers• All MeSH terms are included
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Emtree 2011: More updates and comprehensive drug coverage
• All drug generic names described by FDA and EMEA• All International Non-Proprietary Names (INNs) described
by WHO from 2000• Extended coverage of Trade Names• Increased updates – 3 times per year
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Emtree 2011: Backposting
Example: Cositecan replaced karenitecin in 2011
As karenitecin is mapped to cositecan results from all of Embase will be retrieved by using the new term, and the same results will be retrieved using cositec/de as karenitecin/de
Emtree 2010 Emtree 2011
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Agenda
Emtree• Regular updates• Backposting
Indexing• NEW study type and
changes to existing ones
Workflow• Search Strategies
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Study Type
From 2011: clinical trial (study type)
From 2011: clinical trial (topic) item
From 2011: Embase now differentiates by using separate terms, for example clinical trial limited to the study type AND clinical trial (topic) for items about clinical trials.
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HumanEmtree 2010Emtree 2011
Previously: Limited to humans as experimental subjects.
From 2011: Includes items reporting (for example) the training of medical staff (i.e. even though they are not regarded as “experimental” subjects).
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Clinical trial
Definition: Used for original reports of prospective clinical studies in which the (comparative) efficacy of one or more medical interventions in humans is evaluated; also used for prospective clinical veterinary trials in which the (comparative) efficacy of one or more medical interventions in animals is evaluated.
Previously: This check tag was limited to use in human studies.
From 2011: It now includes veterinary clinical trials.
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Diagnostic Test Accuracy Study
Definition: Used for original studies or systematic reviews which assess how accurately a test distinguishes humans or animals having a condition or disease from those who do not. Typically, the test under evaluation is called the index test and its results are compared to the results of the best.
Previously: Did not exist
From 2011: This is a new check tag and unique to Embase
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Agenda
Emtree• Regular updates• Backposting
Indexing• NEW study type and
changes to existing ones
Workflow• Search Strategies
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Search Strategies
An expert user feature to support the specialist workflow with:
Saving; sharing; editing; rerunning and alerting
Enhanced:Privacy settingsTransparency of complex strategies
Increased flexibility when working with complex searches
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Saving a Strategy from Results
Selecting the search identifies all related searches and allows the user to save as a strategy
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Your Saved Searches
Searches are saved with all steps of the strategy clearly visible. The user, can update and rerun saved search strategies
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Coming up….
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Editing your saved searches
Saved searches can be edited, and changes previewed and accepted.When rerun, the result count will be updated
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Sign up for Beta Testing
http://beta.embase.com
Please leave your email address today and we will send you a user name and password
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Elsevier Training Desk: For your training needs
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Agenda
Emtree• Regular updates• Backposting
Indexing• NEW study type and
changes to existing ones
Workflow• Search Strategies
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THANK YOU FOR YOUR ATTENTION