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Mobile Search
Xiaobin ZhengApril 13 th, 2010
OutlineMobile searchMobile WebTypes of servicesCase Study:• Google Search for mobile• Yahoo! Search for mobile
ConclusionFigure 1. Example Mobile Search Engine
1.Mobile Search:Search on mobile devicesSearch contents on Mobile WebMore and more market with Web 2.0 app.
and 3GCan the traditional Search Engines apply
directly? Answer: No. Limitations, different features
& needs.Different types
Comparisons:Web Search: Mobile Search:PC basedMore bandwidthVarious Topic
Large amount of resources available on the web
More keywords and returned results
Mobile devices basedBandwidth limitedUsually in some specific
areasResources limited by
devices and limited resources on Mobile web
Less keywords, results easy to scroll
2.Mobile Web: OverviewDefinition: using a mobile handheld device to
access the world wide webUsing WAP to deliver contents to mobile
devicesResources limited by Browsers and OS on the
phoneSometimes need proxy/gateways
WAP: Wireless App. ProtocolWeb pages on Mobile web specifically
designed Mobile device access contents using WAPWAP browsers can only access pages written
in XHtml and WML rather than HTMLLimitations comes! WAP 1.0 -> WAP 2.0
Relations between markup languages:
Figure 2. relations between html, XHtml and WML
Mobile Web: LimitationsScreen sizeBandwidth and speed message size and
page sizeOnly one page can be displayed at a timeDifficult to navigateNo support of scripting languageLimited types of pages accessible: XHtml and
WML Thus need specific designs.
3. Different types: 3.1 Two types of mobile search: By sourceMobile web search Web(Internet) based
searchreturns only WAP pages
Benefit: easy to apply
Limitations: Not so many quality pages;Outdated and dead links;
Pages filtered from internet and converted to supported types
Benefit: rich resources
Limitations: Need the web search
engine and phone carrier to coorperate with each other;
3.2 Types of web search service: Early days: SMS: short message service (weather, flights)
using text message requestsMMS: multi-media message service
(ringtones, wallpapers and small videos)Now:Web search and media search by browsingLocation based service (restaurants, theaters,
transportation)
4.Case study:
1. Yahoo! Search for mobile
Figure 3. Yahoo! Search for Mobile
Features: • Location based service provided• Internet(based)• Personalized search
Figure 4. Yahoo! Search for Mobil (2)
Case study 2:Google Search for Mobile Main site: Location based: Images:
Figure 5. Google Search for Mobile
Similarities:Provide location based services Need to support HTML pagesSupport personalized settingsMulti media search
Who wins ?
Market stat.:
From “State of the Mobile Web”, Jon von Tetzchner, Opera Software, January 2010
Figure 6. Statistics in US on Jan. 2010
Applications built on Mobile SearchExample: Apple Application
iQ Mobile Search: a tool to search popular search engines
Figure 7. IQ Mobile Search tool
5. Conclusion:Market growing fastMobilityLimitationsLocation based servicesMore applicationsAdvertisingNew markup language?New Service Model? Security
Thank you! Questions?
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