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QB4OLAP: A New Vocabulary for OLAP Cubes on the SemanticWeb?
Published on Dec 03, 20123076 Views
On-Line Analytical Processing (OLAP) tools allow querying large multidimensional (MD) databases called data warehouses (DW). OLAP-style data analysis over the semantic web (SW) is gaining momentum, an
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Chapter list
QB4OLAP: A New Vocabulary for OLAP Cubes on the Semantic Web00:00
Outline00:12
Motivation and Contribution00:16
Motivation00:20
A Possible Architecture (1)01:07
A Possible Architecture (2)01:55
The Story so Far02:20
Contribution03:41
Preliminaries04:09
Multidimensional Model04:10
Instance Example05:47
OLAP Operators06:12
The QB4OLAP Vocabulary07:58
The QB4OLAP Vocabulary07:59
Schema Examples09:28
Instance Examples10:56
Roll-Up Example11:56
Creating a QB4OLAP schema from a QB schema13:20
Creating a QB4OLAP schema from a QB schema II13:54
Future Work14:56
Thanks for your attention.15:20