Transportation research Fall 2011 Engineering & Computer Science Library Cristina Sewerin.
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Transcript of Transportation research Fall 2011 Engineering & Computer Science Library Cristina Sewerin.
Transportation researchTransportation research
Fall 2011Fall 2011Engineering & Computer Science LibraryEngineering & Computer Science Library
Cristina SewerinCristina Sewerin
outline
review: major search tools & databasesreview: major search tools & databases
recent changesrecent changes
citation searchingcitation searching
journal impact factorsjournal impact factors
alerting systems, bibliographic management systemsalerting systems, bibliographic management systems
your questions & recommendationsyour questions & recommendations
Guide to library materials in transportation:Guide to library materials in transportation:http://link.library.utoronto.ca/MyUTL/guides/index.cfm?guide=transportation
Article databases
Controlled language (thesauri) overcomes Controlled language (thesauri) overcomes keyword limitationskeyword limitations
Good sorting functionsGood sorting functions
Search by treatment of topic: e.g., lit review, Search by treatment of topic: e.g., lit review, theoretical, experimentaltheoretical, experimental
Advanced citation search features – identify Advanced citation search features – identify significant papers; track development of significant papers; track development of research through timeresearch through time
Refining search using
controlled vocabulary
ScholarsPortal Search: ScholarsPortal Search: where has it gone?where has it gone?
the developers (CSA the developers (CSA Illumina) have Illumina) have discontinued it discontinued it
we are no longer able we are no longer able to provide itto provide it
all other Scholars all other Scholars Portal services are Portal services are continuingcontinuing
other changes in other changes in UofT library searchingUofT library searching
SummonSummon
library.utoronto.ca website changeslibrary.utoronto.ca website changes
Using citation databasesUsing citation databases
Identify key documents using citation dataIdentify key documents using citation data
AncestorsAncestors Aka footnote tracingAka footnote tracing Use reference lists from review articles, Use reference lists from review articles,
significant articlessignificant articles
DescendentsDescendents Take most relevant articles or ‘seeds’Take most relevant articles or ‘seeds’ Follow them forward in timeFollow them forward in time
Best databases with citation info Best databases with citation info
ScopusScopus
Web of ScienceWeb of Science
Google ScholarGoogle Scholar
Journal Impact FactorJournal Impact Factor
Widely used as measure of Widely used as measure of significancesignificance of of journals in a particular fieldjournals in a particular field
Database: Database: ISI Journal Citation ReportsISI Journal Citation Reports
Produced by publishers of Web of Science & Produced by publishers of Web of Science & Web of Knowledge, therefore limited to same Web of Knowledge, therefore limited to same pool of titlespool of titles
ISI journal citation reportsISI journal citation reports
Impact factor
average number of times articles from the journal average number of times articles from the journal published in the past two years have been cited in published in the past two years have been cited in the past year the past year
e.g., Impact Factor of 2.5: on average, articles e.g., Impact Factor of 2.5: on average, articles published one or two years ago have been cited two published one or two years ago have been cited two and a half timesand a half times
citing articles may be from the same journal; most citing articles may be from the same journal; most citing articles are from different journals.citing articles are from different journals.
CriticismsCriticisms
journals mayjournals may
adopt questionable editorial policies that increase adopt questionable editorial policies that increase its impact factor, e.g., requiring a number of journal its impact factor, e.g., requiring a number of journal self-citesself-cites
publish a larger percentage of review articles which publish a larger percentage of review articles which generally are cited more than primary articlesgenerally are cited more than primary articles
change the fraction of "citable items" compared to change the fraction of "citable items" compared to front-matter …which types of articles are front-matter …which types of articles are considered "citable" is negotiable considered "citable" is negotiable
Other possible problemsOther possible problems
a small number of publications are cited much more a small number of publications are cited much more than the majority than the majority
e.g., approx 90% of Nature's 2004 impact factor e.g., approx 90% of Nature's 2004 impact factor based on 1/4 of its articlesbased on 1/4 of its articles
Eigenfactor ScoreEigenfactor Score
the number of times articles from the journal the number of times articles from the journal published in the past five years have been cited in published in the past five years have been cited in the JCR yearthe JCR year
also considers which journals have contributed these also considers which journals have contributed these citations so that highly cited journals will influence citations so that highly cited journals will influence the network more than lesser cited journalsthe network more than lesser cited journals
References from one article in a journal to another References from one article in a journal to another article from the same journal are removed, so that article from the same journal are removed, so that EigenfactorEigenfactor Scores are not influenced by journal self- Scores are not influenced by journal self-citation citation
Alerting ServicesAlerting Services
Email alerts are sent after every Email alerts are sent after every database updatedatabase update
Sent if the update contains any new Sent if the update contains any new records that match your saved queryrecords that match your saved query
May be daily, weekly or monthlyMay be daily, weekly or monthly
RefWorksRefWorks
refworks.scholarsportal.inforefworks.scholarsportal.info
Free for U of T students, staff, facultyFree for U of T students, staff, faculty
No software installation necessary: browser-basedNo software installation necessary: browser-based
Organize & cite almost anything:Organize & cite almost anything: Journal articlesJournal articles Book chaptersBook chapters Library sourcesLibrary sources Internet sourcesInternet sources ……
Organizing (& presenting) research resultsOrganizing (& presenting) research results
Citation management softwareCitation management software
Select Select AnnotateAnnotate OrganizeOrganize Output approved-style reference listsOutput approved-style reference lists Format bibliographies, in-text citations in documentsFormat bibliographies, in-text citations in documents
refworks.scholarsportal.inforefworks.scholarsportal.info
Thank you!Thank you!
Questions, comments?Questions, comments?
Please feel free to contact me with Please feel free to contact me with questions or recommendationsquestions or recommendations