MultiBeeBrowse - Accessible Browsing on Unstructured Metadata

Digital Enterprise Research Institute www.deri.ie

MultiBeeBrowseAccessible Browsing on Unstructured Metadata

Sebastian R. Kruk, Adam Gzella, Filip Czaja, Władysław Bultrowicz, Ewelina Kruk

Outline

Motivation Browsing on Unstructured, Interconnected Metadata Zoomable Browsing Context Collaborative Browsing Adaptive Browsing MBB Services Evaluation Conclusions

Motivation

“Who were the composers contemporary to Mozart? And what they composed?”

Motivation

Mozart

Motivation

Mozart

Composer

XVIIICentury

lived_in

Motivation

Mozart

Composer

XVIIICentury

lived_in

Motivation

Mozart

Composer

XVIIICentury

lived_in

Motivation

Mozart

Composer

XVIIICentury

lived_in

XVIII-centurymusic

created_ by created_by

Motivation

Mozart

Composer

XVIIICentury

lived_in

XVIII-centurymusic

Motivation

Mozart

Composer

XVIIICentury

lived_in

XVIII-centurymusic

Browse between different resources

created created

Motivation

Mozart

Composer

XVIIICentury

lived_in

XVIII-centurymusic

Render inverted properties

Motivation

Mozart

Composer

XVIIICentury

lived_in

XVIII-centurymusic

Render inverted properties

Find similar resources

Problems with Browsing Semantics

Interconnected metadataKeyword search is not enough.

Still not everyone knows how to use it.

Unstructured metadataFaceted navigation is hard to construct.

Concept of the graph is still hard to understand by most people.

Unstructured metadataFaceted navigation is hard to construct.

Concept of the graph is still hard to understand by most people.

Why the Semantic Web is the Web 3.0 ?Semantics are hard.

Tags are easy.

How to improve user experience?

Improving the browsing itself is not enough

The whole search process needs to be improved

Solutions:adaptive browsing

collaborative browsingzoomable browsing context

Adaptive Browsing

Presenting resultshuman-readable names of concepts

type-specific rendering

limiting information overload with strechtext

Adaptive Browsing

Refining queries in-situeach concept is seed to new query

different actions based on concept type

Adaptive Browsing

Suggesting properties and conceptsmost frequently used

recently used

Adaptive Browsing

Suggesting properties and conceptsmost frequently used

recently used

Accessible predicated nameshuman-readable names of properties

support for inverted properties

Rendering results

In-situ browsing

Suggesting concepts

Accessible names

Zoomable Browsing Context

Helping users with different problemsFinding results

Going back and forth in the refinement process

Overview of current browsing contextReplaying previous queries

Helping users with different problemsFinding results

Going back and forth in the refinement process

Overview of current browsing contextReplaying previous queries

4 views:Basic browsing view

Structured history view

HoneyComb view

Life-long history view

Basic Browsing View

Structured History View

HoneyComb View

Life-long History View

Collaborative Browsing

Nowadays people share: photos, music, links, etc. - why not queries ?

Collaborative filtering solution adapted for sharing browsing experiencebased on Social Semantic Collaborative Filtering service

users can tag/annotate their queriesusers can share queries with their friends

Collaborative filtering solution adapted for sharing browsing experiencebased on Social Semantic Collaborative Filtering service

users can tag/annotate their queriesusers can share queries with their friends

“Show how to angle, share the rod, and your experience”

Collaborative Browsing (Sebastian)

Collaborative Browsing (Stefan)

MultiBeeBrowse Services

Services FrameworkYou can always improve user interface

REST-based API

human-readable/writable URLs

REST-based API

Query ServicesSearching (keywords, RDF query) and filtering

Browsing and finding similar resources

Combination (AND, OR, SUB, BIND)

REST-based API

Meta-Servicesmetadata access

subscription feeds

REST-based API

subscription feeds

Context Services

REST-based API

subscription feeds

Context Services

Evaluation

Compare 3 solutions for RDF browsingLongwell (SIMILE, MIT)

BrowseRDF (Oren et al., ISWC 2006)

MultiBeeBrowse

Evaluation

MultiBeeBrowse

20 participants (mostly DERI researchers)some computer science background (60%)

half (50%) knew about RDF

most (75%) did not know faceted navigation

Evaluation

MultiBeeBrowse

20 participants (mostly DERI researchers)some computer science background (60%)

half (50%) knew about RDF

most (75%) did not know faceted navigation

Evaluation data:DERI scientific publications library

various articles indexed by notitio.us

Evaluation - Results

Collaborative browsing - feature request:to share browsing experience - 45%

to someone to help with browsing - 80%

to be able to recall previous refinement history - 85%

Collaborative browsing - feature request:to share browsing experience - 45%

to someone to help with browsing - 80%

to be able to recall previous refinement history - 85%

Comparison marks

Longwell MultiBeeBrowse BrowseRDF

Predefined tasks :find all friends of Sebastian

find all co-authors of Decker

find who were composers contemporary to Mozartfind all articles about semantic web, but not about web services

Conclusions

MBB enhances browsing experience with: adaptive browsing collaborative browsing

zoomable browsing context

Conclusions

REST API allows to define own user interface

Conclusions

Feature reach solution scored almost as good as state-of-art “basic” browser, Longwell

Conclusions

Feature reach solution scored almost as good as state-of-art “basic” browser, Longwell

MultiBeeBrowse has been integrated into: JeromeDL 2.1 - Open Source Semantic DL (http://www.jeromedl.org/)

notitio.us service (http://notitio.us/)

Future work

Work on accessible user interface replacement (Bultrowicz, Master’s Thesis topic)

Future work

Performance improvements:query execution

AJAX communication

Future work

AJAX communication

A better algorithm for properties naming

Future work

AJAX communication

Further enhancement of the HoneyComb component

Future work

AJAX communication

Further enhancement of the HoneyComb component

Work on results sorting algorithm

MultiBeeBrowseCollaborative and Adaptive Browsing

on Semantics

http://www.s3b.corrib.org/http://wiki.s3b.corrib.org/MBB/

Sebastian Ryszard KrukDERI, NUI Galway, Ireland sebastian.kruk@deri.org

MultiBeeBrowseCollaborative and Adaptive Browsing

on Semantics

http://www.s3b.corrib.org/http://wiki.s3b.corrib.org/MBB/

Sebastian Ryszard KrukDERI, NUI Galway, Ireland sebastian.kruk@deri.org

MultiBeeBrowse - Accessible Browsing on Unstructured Metadata

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