409 search results - page 57 / 82 » Plan Databases: Model and Algebra |
135
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DASFAA
2004
IEEE
15 years 3 months ago
2004
IEEE
Relational index structures, as for instance the Relational Interval Tree or the Linear Quadtree, support efficient processing of queries on top of existing object-relational datab...
ICSE
2007
IEEE-ACM
15 years 12 months ago
2007
IEEE-ACM
A data model is a plan for building a database and is comparable to an architect's building plans. There are two major methodologies used to create a data model: the EntityRe...
177
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SIGMOD
2008
ACM
15 years 12 months ago
2008
ACM
Existing temporal pattern mining assumes that events do not have any duration. However, events in many real world applications have durations, and the relationships among these ev...
96
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IUI
2005
ACM
15 years 5 months ago
2005
ACM
This paper describes an Intelligent Shopping Assistant designed for a shopping cart mounted tablet PC that enables individual interactions with customers. We use machine learning ...
IDEAS
2000
IEEE
15 years 4 months ago
2000
IEEE
Most operations of the relational algebra or SQL - like projection with duplicate elimination, join, ordering, group by and aggregations - are efficiently processed using a sorted...