1 factic – exploratory search in the (semantic) web 18.4.2010 ontoparty 2010, smolenice castle,...
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1Factic – Exploratory Search in the (Semantic) Web18.4.2010Ontoparty 2010, Smolenice Castle, Slovakia
Factic – Exploratory Search in the (Semantic) Web
Michal Tvarožek
Slovak University of Technology in Bratislava
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2Factic – Exploratory Search in the (Semantic) Web
What is Exploratory search?
Gary Marchionini – EXPLORATORY SEARCH: FROM FINDING TO UNDERSTANDING, Com. of ACM, 2006
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3Factic – Exploratory Search in the (Semantic) Web
VisGets: Exploration and Discovery
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4Factic – Exploratory Search in the (Semantic) Web
Another example…
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5Factic – Exploratory Search in the (Semantic) Web
The Semantic Web today
• Semantically annotated data• Search engines
– Sindice.com• Query builders
– OpenLink• Basic browsing
– Tabulator– Zitgist Viewer
taken from linkeddata.org
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6Factic – Exploratory Search in the (Semantic) Web
Tabulator: Browsing Linked Data
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7Factic – Exploratory Search in the (Semantic) Web
The end-user perspective
• Tools not aimed at information consumers
• Complex query construction
• Limited end-user exploration
• Information overload
• No default end-user grade visualization
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8Factic – Exploratory Search in the (Semantic) Web
• Adaptive Web (1996, 2001, 2007)• Semantic Web (2001, 2006)• Exploratory search (2006)• Social Web (2005)• Browser/search engine support for
– Searching (autocomplete, query disambiguation)– Navigation (social tracks, other users visited …)– Visualization (highlighting, hiding)
The broader web perspective
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9Factic – Exploratory Search in the (Semantic) Web
WI + IR + HCI WIRSS (2009)
• WIRSS: currently insufficient user support– Automated information retrieval– Complex / gold plated interfaces
• Need support for– User decision making– Effective “work” with in formation
• You know why personalization is so important?
Because it makes people feel they are important :)
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10Factic – Exploratory Search in the (Semantic) Web
The beginnings
• Faceted browsing of SW data (2005)
– Search + navigation + visualization = exploration
• Personalized faceted browsing (2007)
– Provide search & navigation support
– Reduce information overload
– Cater to individual users
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11Factic – Exploratory Search in the (Semantic) Web
Facet adaptation & recommendation
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12Factic – Exploratory Search in the (Semantic) Web
• Complex query construction Visual query construction
• Limited end-user exploration Multi-paradigm exploration
• Information overload Personalized recommendation
• No default visualization Adaptive view generation
“NextGen” Semantic Web Browser
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13Factic – Exploratory Search in the (Semantic) Web
Typical client web browser
• Downloads and renders data from the Web
• Tracks and visualizes user history
• Supports custom plug-ins adding functionality,
rendering data
• Serves as a front-end to search services
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14Factic – Exploratory Search in the (Semantic) Web
Revisiting the browser paradigm1
• End-user specific functionality in the browser– Visualization, layout, templates– Personalization and user modeling– Identity and profile management
• End-user specific information in the browser– Personal profile information– User action logs– Derived user models
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15Factic – Exploratory Search in the (Semantic) Web
Revisiting the browser paradigm2
• Facets and personalization as integral parts
• Multiple search engine/repository front-end– Delegate querying, indexing and crawling services
to third-party providers (Google, Sindice, DBPedia)
• Integrated support for– Search (query construction & modification)– Navigation (guidance, annotation)– Exploration (content adaptation)
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16Factic – Exploratory Search in the (Semantic) Web
You might have already seen this…
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17Factic – Exploratory Search in the (Semantic) Web
Personalized faceted search
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18Factic – Exploratory Search in the (Semantic) Web
Incremental graph exploration
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19Factic – Exploratory Search in the (Semantic) Web
Content-specific content viewers
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20Factic – Exploratory Search in the (Semantic) Web
Collaborative resource annotation
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21Factic – Exploratory Search in the (Semantic) Web
Conclusions
• Next Generation Web Browser (SW and LW)• Adaptive Social Semantic Web Exploration• Empowering end-users with access to
semantic information spaces
• Provides integrated support for– Search– Navigation– Exploration
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22Factic – Exploratory Search in the (Semantic) Web
The Chicken or the Egg?
• There may not be a killer application
• End-user grade authoring tools
• Manager Magic:
– Complexity, feasibility, technology
– ROI – Return on Investment
(a.k.a. show me the money)