BROWSING IN MOBILES DHIVYA KHRISHNAN (dsk2121@columbia.edu)

BROWSING IN MOBILES

DHIVYA KHRISHNAN(dsk2121@columbia.edu)

Problem Addressed

Browsing in mobiles – common use caseWeb authors not to be taxedOriginal Web site layoutAvoid Excessive scrollingKnowing current positionEliminate unwanted links

Minimap Visualization Technique

Internal and External constraintsBased on CSS2 Formatting model2 Steps

a) Layout Scaling method ( 2 changes )

b) Overview of webpage

Merits and Demerits

Horizontal Scrolling avoidedTable overflowDisturbing page overviewMaps unreadableWhat scaling factor?Useful of Wikipedia like sitesAssumes high processing power in client

Adapting web pages for mobiles

Semantic structure of page found

Web page spilt to smaller blocks

Block detection at the high level

Explicit and Implicit separators

Index and sub pages generated

Merits and Demerits

Proxy/Server deployment (cache)

Readable text in index pages

Useful in a PDA

Useful with sub topics.

RSS – Really Simple Syndication

A proxy server solution

Summarizes information

User => Proxy => Server

Proxy Server and RSS

Proxy Server and Content Adaptation

Merits and Demerits

Useful for news websites

Proxy fails => problem

Bad display of tables

IMG: URL => clueless???

Conclusion

RSS used for information dense websites.

Minimap for websites with a mixture of images and text.

Web page adaptation technique => Multiple topics in website

Global view-port liked by users Proxy server deployment useful