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DWRank: Learning Concept Ranking for Ontology Search
Published on Nov 28, 2017787 Views
With the recent growth of Linked Data on the Web there is an increased need for knowledge engineers to find ontologies to describe their data. Only limited work exists that addresses the problem of se
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Chapter list
DWRank: Learning concept ranking for ontology search00:00
Concept Search and Ranking00:12
Concept Search and Ranking - 100:22
Relationship based Concept Retrieval Framework01:05
DWRank – Dual Walk Ranking Model01:14
HubScore – Centrality of a Concept01:54
AuthScore – Authoritativeness of an Ontology02:33
DWRank vs. Linked-based Ranking Models03:23
Top-K Filter03:50
Evaluation04:53
DWRank and Filter Effectiveness05:17
Learning concept ranking06:07
Need for LTR06:10
Learning Concept Ranking for DWRank07:06
Learning Concept Ranking for DWRank (1/2)07:21
Framework Overview07:43
Learning to Rank Model Effectiveness08:34
Questions09:18