409 search results - page 21 / 82 » Plan Databases: Model and Algebra |
ADBIS
2007
Springer
14 years 11 months ago
2007
Springer
This paper provides an answer-oriented multidimensional analysis environment. The approach is based on a conceptual point of view. We define a conceptual model that represents data...
DASFAA
2011
IEEE
14 years 1 months ago
2011
IEEE
Route planning, which is used to calculate feasible routes in a given environment, is one of the key issues in navigation systems. According to different constraints in different...
EDBT
2010
ACM
15 years 25 days ago
2010
ACM
So far, data warehousing has often been discussed in the light of complex OLAP queries and as reporting facility for operative data. We argue that business planning as a means to ...
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Voted
VLDB
1995
ACM
15 years 1 months ago
1995
ACM
Query processing is one of the most, critical issues in Object-Oriented DBMSs. Extensible opt,imizers with efficient, search strategies require a cost model to select the most eff...
PODS
2007
ACM
15 years 9 months ago
2007
ACM
We show that relational algebra calculations for incomplete databases, probabilistic databases, bag semantics and whyprovenance are particular cases of the same general algorithms...