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Distributed Keyword Search over RDF via MapReduce
Published on Jun 26, 20141847 Views
Non expert users need support to access linked data available on the Web. To this aim, keyword-based search is considered an essential feature of database systems. The distributed nature of the Semant
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Chapter list
Distributed kyword search over RDF via MapReduce00:00
Semantic Web is distributed00:04
Distributed keyword search00:38
MapReduce: a simple programming model01:08
The problem01:52
Existing Approach02:49
Existing Approach03:10
Existing Approach03:12
Existing Approach03:22
Desired direction04:04
Desired direction04:11
Desired direction04:31
From graph parallel do Data parallel04:44
Graph Data Indexing05:25
Paths and Templates06:02
Paths Clustering06:40
Building solutions07:11
Linear Strategy (Map)08:08
Linear Strategy (Reduce)08:41
Linear Strategy: solutions09:16
Monotonic Strategy (Map round 1)09:54
Monotonic Strategy (Reduce round 1)10:24
Monotonic Strategy (Map round 2)10:37
Monotonic Strategy (Reduce round 2)10:50
Tau-test11:48
Monotoic Strategy: solutions12:14
Experiments12:35
Data Loading13:03
Memory Consumption13:37
End-to-end job runtimes14:09
Thank you!15:03