Linked Data-Driven Smart Spaces · 2014-09-08 · Linked Data-Driven Smart Spaces. 2 Outline 1....
Transcript of Linked Data-Driven Smart Spaces · 2014-09-08 · Linked Data-Driven Smart Spaces. 2 Outline 1....
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Oscar Rodriguez RochaCristhian FigueroaIacopo Vagliano
Boris Moltchanov
Linked Data-Driven Smart Spaces
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Outline
1. Introduction
2. Reference platform and use case
3. Evaluation
4. Conclusion
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Linked Data Cloud
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Context
● Information about Smart Space components in Linked Data Cloud
● Increasing number of mobile devices and their capabilities
● Improvements in content generation on-the-go (mobile UGC)
● Critical to provide to end users right information in the right moment
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Aims
1. Linked Data based approach for
a) Enabling interactions among Smart Space components
b) Enabling interactions Smart Space components – end users
c) Retrieving and enriching information about Smart Space components
2. Practical application of the approach
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Architecture
RecommenderSystem
UGCManager
SemanticAnnotator
Reference platform
DBpedia
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Linked Data-Driven Recommender Systems
● Suggest items to users
– Linked Data-based similarity– Three types
● Hierarchical● Transversal● Hybrid
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Recommendation Algorithm
Ranked set of items (classified by categories)
Item (URI)
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Recommendation Algorithm
CategoryExtraction
Ranked set of items (classified by categories)
Item (URI)
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Recommendation Algorithm
CategoryExtraction
SubcategoryExtraction
Ranked set of items (classified by categories)
Item (URI)
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Recommendation Algorithm
CategoryExtraction
SubcategoryExtraction
ItemExtraction
Ranked set of items (classified by categories)
Item (URI)
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Recommendation Algorithm
CategoryExtraction
SubcategoryExtraction
Item Extraction
Item -category Mapping
Ranked set of items (classified by categories)
Item (URI)
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Recommendation Algorithm
CategoryExtraction
SubcategoryExtraction
Item Extraction
Item -category Mapping
TransversalSimilarity
Calculation
Ranked set of items (classified by categories)
Item (URI)
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Recommendation Algorithm
CategoryExtraction
SubcategoryExtraction
Item Extraction
Item -category Mapping
TransversalSimilarity
Calculation
Categorizationand
Ranking
Ranked set of items (classified by categories)
Item (URI)
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Use Case
Peter and Paul fortress
Hermitage Museum
St. Isaac's Cathedral
St. Petersburg Smart Space
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Use Case
Peter and Paul fortress
Hermitage Museum
St. Isaac's Cathedral
St. Petersburg Smart Space
DBpedia information +
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Use Case
Peter and Paul fortress
Hermitage Museum
St. Isaac's Cathedral
St. Petersburg Smart Space
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Execution Time
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Candidate Items
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Conclusion
1. Linked Data based approach to manage Smart Space components information
2. Enrich information about Smart Space components
3. eToursim use case implemented with Telecom Italia
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большое спасибо