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Explass: Exploring Associations between Entities via Top-K Ontological Patterns and Facets
Published on 2014-12-192360 Views
Searching for associations between entities is needed in many areas. On the Semantic Web, it usually boils down to finding paths that connect two entities in an entity-relation graph. Given the increa
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Presentation
Explass: Exploring Associations between Entities via Top-K Ontological Patterns and Facets00:00
Association search - 100:19
Association search - 200:38
Association search - 300:51
Association search on the Web of documents01:01
Association search on an entity-relation graph01:31
association = path02:00
Challenge02:31
Exploration methods (1)02:59
cluster = pattern03:13
Problem: To recommend k patterns04:41
Step 1: Mining all significant patterns05:02
Formulated as frequent itemset mining - 105:35
Formulated as frequent itemset mining - 206:36
Formulated as frequent itemset mining - 307:01
Step 2: Finding k frequent, informative, and small-overlapping patterns - 107:18
Step 2: Finding k frequent, informative, and small-overlapping patterns - 207:39
Step 2: Finding k frequent, informative, and small-overlapping patterns - 308:32
Formulated as multidimensional 0-1 knapsack09:26
Exploration methods (2)10:09
Demo based on DBpediaws - 110:47
Demo based on DBpediaws - 210:52
Demo based on DBpediaws - 311:03
User study11:22
Post-task questionnaire results12:44
Usability scores (SUS)13:33
User behavior13:43
Conclusion14:09
Future work15:07
Questions?15:36