by Jesse Prabawa Gozali

WING Meeting on August 10th 2007

About Past Present Future

OPAC: Online Public Access Catalog◦ e.g. LINC (linc.nus.edu.sg)

Background (Lee, 2006)◦ Lacking usability guidelines for OPAC UIs◦ Lacking usability for OPAC UIs

Goal◦ Leverage current web technologies / techniques to

allow dynamic and fine-grained user interaction in accomplishing user tasks.

Challenges◦ Where? There are many areas of focus◦ How? Straddle between Desktop and Web paradigms ◦ Why? Not just because we can

Four areas of focus◦ Overview + Details panes◦ Tabular data display◦ Tabs as history mechanism◦ Embedded suggestion bar

Evaluations done focusing on usability with very promising results

JCDL ‘07 short paper: ‘A Rich OPAC User Interface with AJAX’

More info: WING CVS, SoC DSpace

NUS MARC at linc.comp.nus.edu.sg CSU MARC at linc.comp.nus.edu.sg/csu Scrapes NUS LINC for circulation data Integration of spelling suggestion (Kumar, 2005)

and known-item query detection (Kan & Poo, 2005)

Hooks for query expansion modules: Morphology (Tan, 2004), Phrase structure (Ng, 2004)

Browser Compatibility◦ Full: Firefox 2, Safari 3, Opera 9, Netscape 9, IE 7◦ Cosmetic issues: Firefox 1.5, Safari 2, Netscape 8.◦ Work-in-progress: IE 6

Actually, immediate future◦ Migration to Prototype.js◦ Modular refactoring: widgets◦ CSS flexibility◦ Longitudinal study

Perhaps, future◦ Relevance ranking◦ NLP modules

About Present Future

Many things:◦ Citation network◦ Author network◦ Social network◦ Open content◦ ML supported

Related◦ CiteSeer, LinkedIn, CiteULike, Wikipedia

Goal◦ A lightweight user-centered web application

Challenges◦ ‘nuff said

Use Cases◦ View citation metadata◦ Export BibTex◦ Download papers, slides◦ Correct/clean noisy metadata◦ Contribute content◦ etc (Author network, Social network)

Ruby on Rails (MVC) Author Network

◦ author/user models by Trung Citation Network

◦ citation model and views by Jesse ML Supported

◦ ParsCit by Min Authentication

◦ RBAC by Trung◦ views by Jesse

Search with Solr

ParsCit - populate database Author Network - refactor model Citation Network - refactor views Search views Open content

◦ Authentication ◦ Reputation / credits◦ Motivation

Social network - views Web Services (SOAP) - integration with Tony’s

TiddlyWiki …

Mailing List: WING Ruby on Rails Development site:

http://aye.comp.nus.edu.sg/jeprab/forecite/