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Raquel Paurpau@ac.upc.edu

25 Gen 2011

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Motivation Use CasesArchitectureExtensions

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Motivation

• Usage of large bibliographic databases.

• Only simple queries are resolved by the current bibliographic tools.

• Usual and complex queries needs to be resolved in seconds.

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MotivationScopus integration

Entity Type Total

Publication (1999-2007) 6.800.157

KeyWord 3.708.039

Researcher 8.307.089

Institution 560.301

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Use CasesBibliographic Queries

• Resolves:

Most referred publications Most relevant investigators Suggestions for publications Suggestions of reviewers Researchers Social Network

• Networks visualization

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Use CasesQuery Example

Quality Articles

¿What are we looking for?

A researcher may need to discover, for a certain theme, articles worth reading.

When it’s a narrow area the job may be quite straightforward, but what happens when that search is for subjects like “software engineering” or “databases” with millions of related results?

SOLUTION

“Quality articles” with BIBEX gives for a certain area the articles whose authors have very appreciated work in the scientific community.

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Use CasesQuery Example

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Use CasesQuery Example

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Use CasesStatistics

Productivity and Relevance Statistics

General Information

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ArchitectureUsing SCOPUS

• Large process development:

• Last technologies applied

XML

Data Analisys

CSV

Transfor

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Data Loading

Querie

s implementation

Quality Analysis

GUI design

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ArchitectureServer Side Architecture

• Struts2 is a MVC Framework

• Actions follows the Command Pattern.• Setters are parameters• Getters are data retrieved.

• Queries are Action implementations.

• GraphML Result using own Java annotations in Action getters.

• @NodeType• @EdgeType

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ArchitectureThree Layers Architecture

• DAO implentations based on DEX (Persistence Layer).

•Actions are the system services.

• Business Objects to manage simple results in memory.

• Graphs are generated using streaming (large volume of data).

View:

JSP /GraphML

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• DEX is a Java library for manage large graphs.

• Bibliographic data can be persisted as a graph.

• The execution plan of bibliographic queries are written in DEX

• Schema and data loading using DEX scripts.

• BIBEX performance analysis to improve DEX.

ArchitecturePersistence Layer (DAO)

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ArchitectureGraph Visualitzation

• Prefuse is a beta Java toolkit library to paint graphs.

• Prefuse captures user events on the graph components.

• Includes a GraphML reader.

•Implements the graph visualization process.

•Applets can interact with any browser invoking JS code.

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Extensions

• MICINN and pattern oriented applications

• Medical applications (difpubmed)

• Expert recommender

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Thanks for your attention

Any questions?

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