COMPARING STATISTICAL PACKAGES IN DSPACE BILL ANDERSON, SARA FUCHS, CHRIS HELMS GEORGIA TECH LIBRARY...
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Transcript of COMPARING STATISTICAL PACKAGES IN DSPACE BILL ANDERSON, SARA FUCHS, CHRIS HELMS GEORGIA TECH LIBRARY...
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COMPARING STATISTICAL PACKAGES IN DSPACE
BILL A N DERSON, SA RA F UCHS, CHRIS HELMSGEORGIA TECH L IBRA RY
&A N D Y CA RTER
UN IV ERSIT Y OF GEORGIA
Reliable Facts from Unreliable Figures
O P E N R E P O S I T O R I E S 2 0 1 1J U N E 1 1 , 2 0 1 1
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Outline
Why this projectGeorgia Tech’s perspectiveUGA’s perspectiveProblems with SMARTech StatisticsTest planInitial resultsNext steps
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What do we want to learn?
1) What is the best way to capture statistics for a DSpace repository?
2) What statistics do we want to capture?
3) How do we best display these statistics to the end user?
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Statistical Packages
We choose to focus on the following four:
DSpace 1.7.1 with SOLR statistics
DSpace statistics pre SOLR
AWstats 7.0
Google Analytics
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SMARTech – Georgia Tech’s Repository
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Why did we initiate this project?
Lack of trust in the numbers we were generating
Create buy-in from submittersPopular content as basis of collection
development decisionsRationale for existence of repository/future
fundingHistory of problems with DSpace statisticsSolr problems meant we couldn’t display
stats to the authorLack of understanding of current numbers
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Fiscal Year 2009-2010 Statistics
Items viewed 2,693,150
Bitstreams viewed
4,046,314
Searches 789,327
OAI requests 42,799
AWStats for May 2011
Pages 399,153
Hits 1,135,003
Confessions of a Repository Manager
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Univ. of Georgia Knowledge Repository
Launched in August of 2010Contains about 10,000 items
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Statistics and the new repository
Institutional context at Univ. of Georgia
http://www.library.gatech.edu/gkr/
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Stats and the new repository manager
Do I know what I need to know? (Do I know what you need to know?)
What do I know about what I do know?
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Stats and the new repository manager
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What Do Statistics Mean?
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What’s Wrong With This Picture?
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The Hobgoblin of Little Minds
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SOLR ATTACKS!
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SOLR ATTACKS!
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Points to Consider
Software can’t fix wetwareWhere are visitors coming from? Are they
really looking?Different packages count different things –
changing software changes numbersAre we counting useful events? Are we
counting them accurately?Spiders, harvesters, administrators, and
other deadly enemies
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Test Environment
A virtual host running under ESXVM Setup
OS: Red Hat Enterprise Linux 6.0 (64-bit) 2x Intel Xeon Core 2 2048MB of memory 30Gb of disk space
DSpace 1.7.1, PostgreSQL 8.4.7, Java 1.6, Tomcat 6.0.32, Maven 2.2.1, Ant 1.8.2
XMLUI with @MIRE Mirage theme91 Items in archive
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Configuration Notes
Tomcat + mod_jk + ApacheJAVA_OPTS for Tomcat
JAVA_OPTS="-server -Xmx600M -Xms600M -XX:+UseParallelGC -Dfile.encoding=UTF-8 -XX:PermSize=128M -XX:MaxPermSize=192M -d64”
Defined xmlui.google.analytics.key within dspace.cfg
SOLR specific settingssolr.statistics.logBots = falsesolr.statistics.query.filter.spiderIp = falsesolr.statistics.query.filter.isBot = true
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Candidate I
SOLR AWstats Google Analytics
Page Views
5 5 4
File Visits
104 105 N/A
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Candidate II
SOLR AWstats Google Analytics
Page Views 4 4 4
File Views 33 N/A
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Candidate III
AWstatsPage Views: 47File Views: N/A
SOLRPage Views: 46File Views: 2
Google AnalyticsPage Views: 46File Views: N/A
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Moving Forward
Outstanding issuesRefining our reporting capabilitiesStabilizing SolrDisplaying statistics to usersUsability studyGathering feedback
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Contact
Bill [email protected]
Andy [email protected]
Sara [email protected]
Chris [email protected]