www.sharon-it.com1 search engine usability taly sharon [email protected] [email protected]
Post on 22-Dec-2015
226 views
TRANSCRIPT
![Page 1: Www.sharon-it.com1 Search Engine Usability Taly Sharon taly@sharon-it.com sharont@alum.mit.edu](https://reader036.vdocuments.net/reader036/viewer/2022062516/56649d805503460f94a64660/html5/thumbnails/1.jpg)
www.sharon-it.com1
Search Engine Usability
Taly Sharonwww.sharon-it.com
[email protected]@alum.mit.edu
![Page 2: Www.sharon-it.com1 Search Engine Usability Taly Sharon taly@sharon-it.com sharont@alum.mit.edu](https://reader036.vdocuments.net/reader036/viewer/2022062516/56649d805503460f94a64660/html5/thumbnails/2.jpg)
www.sharon-it.com2
![Page 3: Www.sharon-it.com1 Search Engine Usability Taly Sharon taly@sharon-it.com sharont@alum.mit.edu](https://reader036.vdocuments.net/reader036/viewer/2022062516/56649d805503460f94a64660/html5/thumbnails/3.jpg)
www.sharon-it.com3
Agenda
• Search Engines Issues• Search Engines UI Paradigms
– Including Ajax, query formulation and results
• Demonstration links (see www.sharon-it.com/new.html)
• References
![Page 4: Www.sharon-it.com1 Search Engine Usability Taly Sharon taly@sharon-it.com sharont@alum.mit.edu](https://reader036.vdocuments.net/reader036/viewer/2022062516/56649d805503460f94a64660/html5/thumbnails/4.jpg)
www.sharon-it.com4
Search Engines Issues• How to phrase query?• How to interpret query?• How to present results?
• Additional Problem: Web Users (see next)!
![Page 5: Www.sharon-it.com1 Search Engine Usability Taly Sharon taly@sharon-it.com sharont@alum.mit.edu](https://reader036.vdocuments.net/reader036/viewer/2022062516/56649d805503460f94a64660/html5/thumbnails/5.jpg)
www.sharon-it.com5
Web Users? Make poor queries
– short (3.3 terms average)– imprecise terms– sub-optimal syntax (80%
without operators)– low effort
Wide variance on– Needs– Expectations– Knowledge– Bandwidth (and platforms)
Specific behavior– 85% look over one result
screen only– 78% of queries not
modified
![Page 6: Www.sharon-it.com1 Search Engine Usability Taly Sharon taly@sharon-it.com sharont@alum.mit.edu](https://reader036.vdocuments.net/reader036/viewer/2022062516/56649d805503460f94a64660/html5/thumbnails/6.jpg)
www.sharon-it.com6
Search Engines UI Paradigms
Simple Overloaded Keywords Natural (NLP)User Control Automatic
Static Dynamic (Ajax)Textual Graphical
![Page 7: Www.sharon-it.com1 Search Engine Usability Taly Sharon taly@sharon-it.com sharont@alum.mit.edu](https://reader036.vdocuments.net/reader036/viewer/2022062516/56649d805503460f94a64660/html5/thumbnails/7.jpg)
www.sharon-it.com7
Simple OverloadedGoogle: Lean and Mean?
![Page 8: Www.sharon-it.com1 Search Engine Usability Taly Sharon taly@sharon-it.com sharont@alum.mit.edu](https://reader036.vdocuments.net/reader036/viewer/2022062516/56649d805503460f94a64660/html5/thumbnails/8.jpg)
www.sharon-it.com8
Yahoo!
![Page 9: Www.sharon-it.com1 Search Engine Usability Taly Sharon taly@sharon-it.com sharont@alum.mit.edu](https://reader036.vdocuments.net/reader036/viewer/2022062516/56649d805503460f94a64660/html5/thumbnails/9.jpg)
www.sharon-it.com9
search.Yahoo.com
![Page 10: Www.sharon-it.com1 Search Engine Usability Taly Sharon taly@sharon-it.com sharont@alum.mit.edu](https://reader036.vdocuments.net/reader036/viewer/2022062516/56649d805503460f94a64660/html5/thumbnails/10.jpg)
www.sharon-it.com10
Google in 1998 – looking up at Yahoo?!
Source: Internet archive’s Wayback machine www.archive.org
![Page 11: Www.sharon-it.com1 Search Engine Usability Taly Sharon taly@sharon-it.com sharont@alum.mit.edu](https://reader036.vdocuments.net/reader036/viewer/2022062516/56649d805503460f94a64660/html5/thumbnails/11.jpg)
www.sharon-it.com11
Google Personalized
![Page 12: Www.sharon-it.com1 Search Engine Usability Taly Sharon taly@sharon-it.com sharont@alum.mit.edu](https://reader036.vdocuments.net/reader036/viewer/2022062516/56649d805503460f94a64660/html5/thumbnails/12.jpg)
www.sharon-it.com12
Advanced
![Page 13: Www.sharon-it.com1 Search Engine Usability Taly Sharon taly@sharon-it.com sharont@alum.mit.edu](https://reader036.vdocuments.net/reader036/viewer/2022062516/56649d805503460f94a64660/html5/thumbnails/13.jpg)
www.sharon-it.com13
MSN Search Builder
![Page 14: Www.sharon-it.com1 Search Engine Usability Taly Sharon taly@sharon-it.com sharont@alum.mit.edu](https://reader036.vdocuments.net/reader036/viewer/2022062516/56649d805503460f94a64660/html5/thumbnails/14.jpg)
www.sharon-it.com14
Windows?
![Page 15: Www.sharon-it.com1 Search Engine Usability Taly Sharon taly@sharon-it.com sharont@alum.mit.edu](https://reader036.vdocuments.net/reader036/viewer/2022062516/56649d805503460f94a64660/html5/thumbnails/15.jpg)
www.sharon-it.com15
Search Engines UI Paradigms
Simple Overloaded Keywords Natural (NLP)User Control Automatic
Static Dynamic (Ajax)Textual Graphical
![Page 16: Www.sharon-it.com1 Search Engine Usability Taly Sharon taly@sharon-it.com sharont@alum.mit.edu](https://reader036.vdocuments.net/reader036/viewer/2022062516/56649d805503460f94a64660/html5/thumbnails/16.jpg)
www.sharon-it.com16
Keywords Natural (NLP)• Problem: How to formulate query?• Solution 1: use Refine, Google
Suggest• Solution 2: use questions and
answers engines - natural language processing (NLP)
![Page 17: Www.sharon-it.com1 Search Engine Usability Taly Sharon taly@sharon-it.com sharont@alum.mit.edu](https://reader036.vdocuments.net/reader036/viewer/2022062516/56649d805503460f94a64660/html5/thumbnails/17.jpg)
www.sharon-it.com17
Excite
![Page 18: Www.sharon-it.com1 Search Engine Usability Taly Sharon taly@sharon-it.com sharont@alum.mit.edu](https://reader036.vdocuments.net/reader036/viewer/2022062516/56649d805503460f94a64660/html5/thumbnails/18.jpg)
www.sharon-it.com18
Google Suggest• As you type – you get query
suggestions and number of results per query.
• labs.google.com/suggest
![Page 19: Www.sharon-it.com1 Search Engine Usability Taly Sharon taly@sharon-it.com sharont@alum.mit.edu](https://reader036.vdocuments.net/reader036/viewer/2022062516/56649d805503460f94a64660/html5/thumbnails/19.jpg)
www.sharon-it.com19
Q&A Engines (Natural Language)
• General SEs Q&A:– Google– Yahoo– MSN
• Q&A Engines:– Ask– Brainboost– Lexxe
![Page 20: Www.sharon-it.com1 Search Engine Usability Taly Sharon taly@sharon-it.com sharont@alum.mit.edu](https://reader036.vdocuments.net/reader036/viewer/2022062516/56649d805503460f94a64660/html5/thumbnails/20.jpg)
www.sharon-it.com20
Google, MSN, Yahoo
![Page 21: Www.sharon-it.com1 Search Engine Usability Taly Sharon taly@sharon-it.com sharont@alum.mit.edu](https://reader036.vdocuments.net/reader036/viewer/2022062516/56649d805503460f94a64660/html5/thumbnails/21.jpg)
www.sharon-it.com21
Ask
![Page 22: Www.sharon-it.com1 Search Engine Usability Taly Sharon taly@sharon-it.com sharont@alum.mit.edu](https://reader036.vdocuments.net/reader036/viewer/2022062516/56649d805503460f94a64660/html5/thumbnails/22.jpg)
www.sharon-it.com22
BrainBoost
![Page 23: Www.sharon-it.com1 Search Engine Usability Taly Sharon taly@sharon-it.com sharont@alum.mit.edu](https://reader036.vdocuments.net/reader036/viewer/2022062516/56649d805503460f94a64660/html5/thumbnails/23.jpg)
www.sharon-it.com23
Lexxe
![Page 24: Www.sharon-it.com1 Search Engine Usability Taly Sharon taly@sharon-it.com sharont@alum.mit.edu](https://reader036.vdocuments.net/reader036/viewer/2022062516/56649d805503460f94a64660/html5/thumbnails/24.jpg)
www.sharon-it.com24
)Dis(Advantages• Advantages:
– quick and dirty answer.
• Disadvantages:– often fail– Inaccurate
• Who murdered JFK “Why the Fed Murdered JFK” (brainboost)
• Who is the prime minister of Israel? Ariel Sharon (May 2006)
– non-verified sources– slow
![Page 25: Www.sharon-it.com1 Search Engine Usability Taly Sharon taly@sharon-it.com sharont@alum.mit.edu](https://reader036.vdocuments.net/reader036/viewer/2022062516/56649d805503460f94a64660/html5/thumbnails/25.jpg)
www.sharon-it.com25
Search Engines UI Paradigms
Simple Overloaded Keywords Natural (NLP)User Control Automatic
Static Dynamic (Ajax)Textual Graphical
![Page 26: Www.sharon-it.com1 Search Engine Usability Taly Sharon taly@sharon-it.com sharont@alum.mit.edu](https://reader036.vdocuments.net/reader036/viewer/2022062516/56649d805503460f94a64660/html5/thumbnails/26.jpg)
www.sharon-it.com26
Meta Search Engine (MSE)
MetaCrawler
Yahoo Web Crawler Open Text Lycos InfoSeek Inktomi Galaxy Excite
Google · Yahoo · Ask About · LookSmart · OvertureFindWhat
![Page 27: Www.sharon-it.com1 Search Engine Usability Taly Sharon taly@sharon-it.com sharont@alum.mit.edu](https://reader036.vdocuments.net/reader036/viewer/2022062516/56649d805503460f94a64660/html5/thumbnails/27.jpg)
www.sharon-it.com27
![Page 28: Www.sharon-it.com1 Search Engine Usability Taly Sharon taly@sharon-it.com sharont@alum.mit.edu](https://reader036.vdocuments.net/reader036/viewer/2022062516/56649d805503460f94a64660/html5/thumbnails/28.jpg)
www.sharon-it.com28
Vivisimo: link: Not supported?
![Page 29: Www.sharon-it.com1 Search Engine Usability Taly Sharon taly@sharon-it.com sharont@alum.mit.edu](https://reader036.vdocuments.net/reader036/viewer/2022062516/56649d805503460f94a64660/html5/thumbnails/29.jpg)
www.sharon-it.com29
Problems of MSEs• Limited support of advanced search
options.• Limited number (~10) of results from
each search engine.• Sponsored results from the SEs are
not highlighted.
? Does the average user know this?
![Page 30: Www.sharon-it.com1 Search Engine Usability Taly Sharon taly@sharon-it.com sharont@alum.mit.edu](https://reader036.vdocuments.net/reader036/viewer/2022062516/56649d805503460f94a64660/html5/thumbnails/30.jpg)
www.sharon-it.com30
Query Results• Examples of User Interface in Query
Results’ pages :– Google– Clusty/Vivisimo– A9– Exalead– KartOO (see Graphical)
![Page 31: Www.sharon-it.com1 Search Engine Usability Taly Sharon taly@sharon-it.com sharont@alum.mit.edu](https://reader036.vdocuments.net/reader036/viewer/2022062516/56649d805503460f94a64660/html5/thumbnails/31.jpg)
www.sharon-it.com31
![Page 32: Www.sharon-it.com1 Search Engine Usability Taly Sharon taly@sharon-it.com sharont@alum.mit.edu](https://reader036.vdocuments.net/reader036/viewer/2022062516/56649d805503460f94a64660/html5/thumbnails/32.jpg)
www.sharon-it.com32
Clusty
![Page 33: Www.sharon-it.com1 Search Engine Usability Taly Sharon taly@sharon-it.com sharont@alum.mit.edu](https://reader036.vdocuments.net/reader036/viewer/2022062516/56649d805503460f94a64660/html5/thumbnails/33.jpg)
www.sharon-it.com33
![Page 34: Www.sharon-it.com1 Search Engine Usability Taly Sharon taly@sharon-it.com sharont@alum.mit.edu](https://reader036.vdocuments.net/reader036/viewer/2022062516/56649d805503460f94a64660/html5/thumbnails/34.jpg)
www.sharon-it.com34
![Page 35: Www.sharon-it.com1 Search Engine Usability Taly Sharon taly@sharon-it.com sharont@alum.mit.edu](https://reader036.vdocuments.net/reader036/viewer/2022062516/56649d805503460f94a64660/html5/thumbnails/35.jpg)
www.sharon-it.com35
![Page 36: Www.sharon-it.com1 Search Engine Usability Taly Sharon taly@sharon-it.com sharont@alum.mit.edu](https://reader036.vdocuments.net/reader036/viewer/2022062516/56649d805503460f94a64660/html5/thumbnails/36.jpg)
www.sharon-it.com36
Search Engines UI Paradigms
Simple Overloaded Keywords Natural (NLP)User Control Automatic
Static Dynamic (Ajax)Textual Graphical
![Page 37: Www.sharon-it.com1 Search Engine Usability Taly Sharon taly@sharon-it.com sharont@alum.mit.edu](https://reader036.vdocuments.net/reader036/viewer/2022062516/56649d805503460f94a64660/html5/thumbnails/37.jpg)
www.sharon-it.com37
Ajax
Asynchronous JavaScript and XML
![Page 38: Www.sharon-it.com1 Search Engine Usability Taly Sharon taly@sharon-it.com sharont@alum.mit.edu](https://reader036.vdocuments.net/reader036/viewer/2022062516/56649d805503460f94a64660/html5/thumbnails/38.jpg)
www.sharon-it.com38
Ajax
• Asynchronous JavaScript and XML • A Web 2.0 technology• Fast (real-time) interactive page
updates - directly from the database• Ajax applications• Try it yourself - Google Web Toolkit
(GWT)
![Page 39: Www.sharon-it.com1 Search Engine Usability Taly Sharon taly@sharon-it.com sharont@alum.mit.edu](https://reader036.vdocuments.net/reader036/viewer/2022062516/56649d805503460f94a64660/html5/thumbnails/39.jpg)
www.sharon-it.com39
Example Ajax Applications• Google Maps/Local (Yahoo, A9)• Housing Maps• Google Suggest• Windows live• Yahoo! Instant Search • GMail• And many more..
![Page 40: Www.sharon-it.com1 Search Engine Usability Taly Sharon taly@sharon-it.com sharont@alum.mit.edu](https://reader036.vdocuments.net/reader036/viewer/2022062516/56649d805503460f94a64660/html5/thumbnails/40.jpg)
www.sharon-it.com40
![Page 41: Www.sharon-it.com1 Search Engine Usability Taly Sharon taly@sharon-it.com sharont@alum.mit.edu](https://reader036.vdocuments.net/reader036/viewer/2022062516/56649d805503460f94a64660/html5/thumbnails/41.jpg)
www.sharon-it.com41
HousingMaps• Mash-up of Google maps and Craigs
list rentals• Mash-up are websites that are built
from pieces of other websites• http://www.housingmaps.com/
![Page 42: Www.sharon-it.com1 Search Engine Usability Taly Sharon taly@sharon-it.com sharont@alum.mit.edu](https://reader036.vdocuments.net/reader036/viewer/2022062516/56649d805503460f94a64660/html5/thumbnails/42.jpg)
www.sharon-it.com42
![Page 43: Www.sharon-it.com1 Search Engine Usability Taly Sharon taly@sharon-it.com sharont@alum.mit.edu](https://reader036.vdocuments.net/reader036/viewer/2022062516/56649d805503460f94a64660/html5/thumbnails/43.jpg)
www.sharon-it.com43
![Page 44: Www.sharon-it.com1 Search Engine Usability Taly Sharon taly@sharon-it.com sharont@alum.mit.edu](https://reader036.vdocuments.net/reader036/viewer/2022062516/56649d805503460f94a64660/html5/thumbnails/44.jpg)
www.sharon-it.com44
![Page 45: Www.sharon-it.com1 Search Engine Usability Taly Sharon taly@sharon-it.com sharont@alum.mit.edu](https://reader036.vdocuments.net/reader036/viewer/2022062516/56649d805503460f94a64660/html5/thumbnails/45.jpg)
www.sharon-it.com45
![Page 46: Www.sharon-it.com1 Search Engine Usability Taly Sharon taly@sharon-it.com sharont@alum.mit.edu](https://reader036.vdocuments.net/reader036/viewer/2022062516/56649d805503460f94a64660/html5/thumbnails/46.jpg)
www.sharon-it.com46
![Page 47: Www.sharon-it.com1 Search Engine Usability Taly Sharon taly@sharon-it.com sharont@alum.mit.edu](https://reader036.vdocuments.net/reader036/viewer/2022062516/56649d805503460f94a64660/html5/thumbnails/47.jpg)
www.sharon-it.com47
![Page 48: Www.sharon-it.com1 Search Engine Usability Taly Sharon taly@sharon-it.com sharont@alum.mit.edu](https://reader036.vdocuments.net/reader036/viewer/2022062516/56649d805503460f94a64660/html5/thumbnails/48.jpg)
www.sharon-it.com48
Ajax Pros/Cons• Pros
– Interactivity!• Cons
– might easily break the expected behavior of the browser's back button
– difficult for a user to bookmark a particular state of the application
– users might experience delay in the interface of the web application
– requires users to have JavaScript (or ActiveX) enabled in their browsers
– a challenge for developers interested in adhering to WAI accessibility guidelines.
![Page 49: Www.sharon-it.com1 Search Engine Usability Taly Sharon taly@sharon-it.com sharont@alum.mit.edu](https://reader036.vdocuments.net/reader036/viewer/2022062516/56649d805503460f94a64660/html5/thumbnails/49.jpg)
www.sharon-it.com49
Yahoo! Instant• Example of slow reaction• Good implementation of “back”• instant.search.yahoo.com
![Page 50: Www.sharon-it.com1 Search Engine Usability Taly Sharon taly@sharon-it.com sharont@alum.mit.edu](https://reader036.vdocuments.net/reader036/viewer/2022062516/56649d805503460f94a64660/html5/thumbnails/50.jpg)
www.sharon-it.com50
AlltheWeb LiveSearch• Yahoo’s AlltheWeb now has a new
Livesearch feature. • It takes the Google Suggest approach
a step further. • You will instantly see the results to
the right side.
• http://livesearch.alltheweb.com/?ek=1
![Page 51: Www.sharon-it.com1 Search Engine Usability Taly Sharon taly@sharon-it.com sharont@alum.mit.edu](https://reader036.vdocuments.net/reader036/viewer/2022062516/56649d805503460f94a64660/html5/thumbnails/51.jpg)
www.sharon-it.com51
![Page 52: Www.sharon-it.com1 Search Engine Usability Taly Sharon taly@sharon-it.com sharont@alum.mit.edu](https://reader036.vdocuments.net/reader036/viewer/2022062516/56649d805503460f94a64660/html5/thumbnails/52.jpg)
www.sharon-it.com52
Search Engines UI Paradigms
Simple Overloaded Keywords Natural (NLP)User Control Automatic
Static Dynamic (Ajax)Textual Graphical
![Page 53: Www.sharon-it.com1 Search Engine Usability Taly Sharon taly@sharon-it.com sharont@alum.mit.edu](https://reader036.vdocuments.net/reader036/viewer/2022062516/56649d805503460f94a64660/html5/thumbnails/53.jpg)
www.sharon-it.com53
Visual/Graphical Search Engines
• KartOO www.kartOO.com • TouchGraph
![Page 54: Www.sharon-it.com1 Search Engine Usability Taly Sharon taly@sharon-it.com sharont@alum.mit.edu](https://reader036.vdocuments.net/reader036/viewer/2022062516/56649d805503460f94a64660/html5/thumbnails/54.jpg)
www.sharon-it.com54
Kartoo Legend
![Page 55: Www.sharon-it.com1 Search Engine Usability Taly Sharon taly@sharon-it.com sharont@alum.mit.edu](https://reader036.vdocuments.net/reader036/viewer/2022062516/56649d805503460f94a64660/html5/thumbnails/55.jpg)
www.sharon-it.com55
Examples
1. Query: “Taly Sharon”– Main webpage, www.sharon-it.com – co-authors (selker, lieberman, frank,
lockerd, etc.)– Conferences (IFLA, CHI, SigGraph, etc.)– Related keywords (mostly from
research/papers)– Other related: GoogleGuide.com
2. Query: www.sharon-it.com (website)
![Page 56: Www.sharon-it.com1 Search Engine Usability Taly Sharon taly@sharon-it.com sharont@alum.mit.edu](https://reader036.vdocuments.net/reader036/viewer/2022062516/56649d805503460f94a64660/html5/thumbnails/56.jpg)
www.sharon-it.com56
![Page 57: Www.sharon-it.com1 Search Engine Usability Taly Sharon taly@sharon-it.com sharont@alum.mit.edu](https://reader036.vdocuments.net/reader036/viewer/2022062516/56649d805503460f94a64660/html5/thumbnails/57.jpg)
www.sharon-it.com57
![Page 58: Www.sharon-it.com1 Search Engine Usability Taly Sharon taly@sharon-it.com sharont@alum.mit.edu](https://reader036.vdocuments.net/reader036/viewer/2022062516/56649d805503460f94a64660/html5/thumbnails/58.jpg)
www.sharon-it.com58
![Page 59: Www.sharon-it.com1 Search Engine Usability Taly Sharon taly@sharon-it.com sharont@alum.mit.edu](https://reader036.vdocuments.net/reader036/viewer/2022062516/56649d805503460f94a64660/html5/thumbnails/59.jpg)
www.sharon-it.com59
)Dis(Advantages• Advantages:
– very visual, easy to detect trends.– Useful to find connections
• Disadvantages:– Requires training– Easy disorientation
![Page 60: Www.sharon-it.com1 Search Engine Usability Taly Sharon taly@sharon-it.com sharont@alum.mit.edu](https://reader036.vdocuments.net/reader036/viewer/2022062516/56649d805503460f94a64660/html5/thumbnails/60.jpg)
www.sharon-it.com60
Demonstration Links• Google www.google.com• Yahoo www.yahoo.com• Yahoo Search Interface search.yahoo.com• Google 1998 (from Internet Archive)
http://web.archive.org/web/19981111183552/http://google.stanford.edu/• Yahoo Advanced search.yahoo.com/web/advanced?ei=UTF-8• Google Personalized www.google.com/ig• MSN Search Builder search.msn.co.il• Excite www.excite.com• Google Suggest labs.google.com/suggest • Ask www.ask.com• Brainboost www.brainboost.com• Lexxe www.lexxe.com• Dogpile www.dogpile.com• Vivisimo www.vivisimo.com• Clusty www.clusty.com• A9 www.a9.com• Exalead www.exalead.com • Google Maps maps.google.com • Housing Maps www.housingmaps.com• A9 maps maps.a9.com • Windows live www.live.com • Yahoo Instant instant.search.yahoo.com• Alltheweb Livesearch livesearch.alltheweb.com/?ek=1• Kartoo www.kartoo.com
![Page 61: Www.sharon-it.com1 Search Engine Usability Taly Sharon taly@sharon-it.com sharont@alum.mit.edu](https://reader036.vdocuments.net/reader036/viewer/2022062516/56649d805503460f94a64660/html5/thumbnails/61.jpg)
www.sharon-it.com61
References• Ajax – wikipedia http://en.wikipedia.org/
wiki/AJAX• http://blogs.zdnet.com/micro-markets/inde
x.php?p=27• http://yhoo.client.shareholder.com/downlo
ads/2006AnalystDay.pdf• http://news.bbc.co.uk/2/hi/technology/490
0742.stm• http://www.dsi.uniroma1.it/~ale//BICI/IR/Sli
des/bertinoro8.pdf