641 search results - page 78 / 129 » Temporal Queries in OLAP |
158
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DEXA
1998
Springer
15 years 8 months ago
1998
Springer
Abstract. To achieve acceptable query response times in data warehouse environments, the data have to be pre-aggregated according to the need of the applications and stored redunda...
140
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TIME
2005
IEEE
15 years 9 months ago
2005
IEEE
Historical information can be effectively preserved using XML and searched through powerful historical queries written in XQuery. Indeed, by storing the successive versions of a d...
118
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UIST
2009
ACM
15 years 10 months ago
2009
ACM
Time-series graphs are often used to visualize phenomena that change over time. Common tasks include comparing values at different points in time and searching for specified patte...
164
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TIME
2006
IEEE
15 years 10 months ago
2006
IEEE
Querying its own history is an important mechanism in the computations, especially those interacting with people or other computations such as transaction processing, electronic d...
162
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EUROPAR
2008
Springer
15 years 5 months ago
2008
Springer
Abstract. Distributed moving object database servers are a feasible solution to the scalability problem of centralized database systems. In this paper we propose a distributed inde...