I’m glad to announce that the RepositóriUM team at Minho University has 
finished the documentation and packaging off a new version of the DSpace 
Statistics Add-on, which we already use in our Repository for some 
months. This Add-on (see description below) is available at: 
http://wiki.dspace.org/StatisticsAddOn

The original purpose of the Statistics Add-on was to promote 
RepositóriUM and author self(or mediated)-archiving, by demonstrating 
the worldwide accessibility and usage (access/downloads) of archived 
documents. We also wanted to provide usage, content and administrative 
statistics to IR and community/collection administrators or coordinators.

The Statistics System is an add-on to the DSpace platform that allows 
gathering, processing and presenting usage, content and administrative 
statistics. Despite the fact that its development was done to meet the 
specific needs of RepositóriUM, the system is completely adjustable to 
other environments as its components can easily be configured, changed 
or extended, to respond to different information needs.

With the release of the current version 2.1 of the Stats System the main 
focus was solving some architectural issues of version 2.0, primarily:

* Adapting the add-on to the new build and deploy mechanism of DSpace 1.5.1;
* New mechanism for gathering the events on DSpace, avoiding DSpace 
logging mechanism and log4j JDBC Appender (replaced by Mark H. Wood 
UsageEvent plug-in);
* New mechanism for aggregating the stats. Ported from pl/pgsql to Java;
* Eliminate the pl/java language as a requirement;
* Improvements on spider detection mechanism.

The main features of the Statistics System are:

* Customizable statistics queries
* Customizable web interface look and feel of each statistic
* Customizable access policies
* Data stored in database
* Access origin detection and processing
* Crawler/spider exclusion
* Real time/Batch statistics
* Temporal data aggregation
* Dimensional aggregations (e.g. Country, Document type, etc)
* Charts
* Multilanguage support

You can see the implementation of the Add-on in RepositóriUM 
(https://repositorium.sdum.uminho.pt) where the general (IR level) 
access/download statistics 
(https://repositorium.sdum.uminho.pt/stats?level=general&type=access&page=downviews-series)
 
and individual access/download statistics (eg, 
http://hdl.handle.net/1822/4803) are publicly available.

Eloy Rodrigues
Universidade do Minho - Serviços de Documentação
Campus de Gualtar - 4710 - 057 Braga
Telefone: + 351 253604150; Fax: + 351 253604159
Campus de Azurém - 4800 - 058 Guimarães
Telefone: + 351 253510168; Fax: + 351 253510117



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