Millennium AJAX Annette Bailey University Libraries Virginia Tech.

Millennium AJAX

Annette BaileyUniversity Libraries Virginia Tech

2MAJAX - Annette BaileyMay 16, 2007

Userreviews

Facetedbrowsing

RSS feeds

Mashups

Wikis

Blogs

Tagging

LibX

Library 2.0


Mashups

• Are hybrid web applications that combine information drawn from various web sources

• Simple example:• A library web page that

includes a news feed


Mashup Example

Library Homepage

LatestLibraryNewsItems


Mashup Sources

• RSS Feeds• Webservices, e.g. Google API,

Amazon API

• How can the III Millennium system become an information source for mashups?• That’s where MAJAX comes in


MAJAX Overview

• Millennium AJAX is software that allows mixing catalog data into web pages• Freely available from VT• Simple to install & use• No III support required• No plug-in for users to install


New Books List

• Library publishes a list of newly acquired books every month

• We would like to include up-to-the-minute holdings information in this list

New Books List Demo


New Books List


MAJAX

• Millennium AJAX• Asynchronous

• Query the catalog without the user having to wait

• JavaScript • Run in client’s browser to construct page

content • And • XML

• (Really HTML) – comes from a web service: here, Millennium’s MARC display


Screen Scraping MARC

Course Page Demo

A professor wants to offer a list of books on his course page, along with full bibliographic and up-to-the-minute holdings information

about each book


Course Page Demo

• Screen Shot


Installing & Using MAJAX

• To install MAJAX at your institution, upload two files to your catalog’s /screens directory:• majax.js• majax.html

• To use MAJAX in web pages• include <script> tag once• include <span> tags wherever library

catalog information should be inserted


Course Page HTML

<script type="text/javascript" src="http://addison.vt.edu/screens/majax.js"></script>

<script type="text/javascript" src="http://addison.vt.edu/screens/majax.js"></script>

<span title="i0596002556" class="majax-harvard-reference majax-newline majax-ebook"></span><span title="i0596002556" class="majax-showholdings majax-linktocatalog"></span>

<span title="i0596002556" class="majax-harvard-reference majax-newline majax-ebook"></span><span title="i0596002556" class="majax-showholdings majax-linktocatalog"></span>


MAJAX Identifiers

• <span title=“IDENTIFIER” class=“MAJAX-CLASSES”></span>

• IDENTIFIER can refer to ISBN, Bibrecord #, or Book Title

ISBN ‘i’ i006073132X

Bibrecord ‘.b’ .b2275560

Title ‘t’ tfreakonomics


MAJAXClasses

Holdings Relatedmajax-showholdingsmajax-showholdings-briefmajax-showholdings-divmajax-ebook

Bibliographic Informationmajax-marc-???majax-marc-???-?majax-harvard-referencemajax-endnotemajax-endnote-switchmajax-endnote-import

Miscellaneousmajax-syndetics-*majax-linktocatalogmajax-reportfailuremajax-newlinemajax-space


MAJAX Examples (1)

MAJAX class MAJAX outputmajax-harvard-reference Levitt, Steven D., Dubner, Stephen J.,

2005, Freakonomics : a rogue economist explores the hidden side of everything / 1st ed., New York, William Morrow, xii, 242 p. ;

majax-showholdings-div Copy 1: availableCopy 2: due 05-10-07Copy 3: due 07-22-07

majax-marc-050 HB74.P8 L479 2005


MAJAX Examples (2)

MAJAX class MAJAX outputmajax-ebook [Electronic Book]

majax-marc-050 majax-linktocatalog

HB74.P8 L479 2005

majax-syndetics-vtech

http://www.netlibrary.com/urlapi.asp?action=summary&v=1&bookid=21814

http://laurel.lib.vt.edu/search/i006073132X

WebBridge Demo


WebBridge Example (1)

majaxresource 1

majaxresource 2

majaxresource 3


WebBridge Example (2)

majaxresource 1

majaxresource 2

majaxresource 3


Install & Use MAJAX • Add <script> tag to resserv_panel.html• WebBridge Management interface• Create 1 or more resources• Associate hasISBN or hasTitle data tests• Embed <span> tags in Link Display

field


Performance

• MAJAX imposes additional load on your server• Currently self-limiting to 20 requests

per second per page, which can be changed.

• To turn MAJAX capabilities off, simply remove majax.html & majax.js from the /screens directory.


Limitations

• MAJAX works only on web pages from within the same domain as your Millennium system

• If Millennium runs on addison.vt.edu, MAJAX can be used on all pages in *.vt.edu• www.lib.vt.edu Ok • courses.cs.vt.edu Ok • livejournal.com Not Ok

• MAJAX only works on Internet Explorer 6.x and up and Firefox browsers• Will fail silently on other browsers


Summary

• MAJAX provides the ability to include live catalog information in any webpage on your domain• Without special server access or

support• Without requiring end users to install

any plug-ins• It is easy to use, requiring only

HTML skills• Free!


Acknowledgements

• Dr. Godmar Back• Assistant Professor, Computer

Science

Questions?

Thank you!

http://libx.org/majax/

Millennium AJAX Annette Bailey University Libraries Virginia Tech.

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