641 search results - page 17 / 129 » Temporal Queries in OLAP |
211
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VLDB
2007
ACM
16 years 4 months ago
2007
ACM
Several recent papers have focused on OLAP over imprecise data, where each fact can be a region, instead of a point, in a multidimensional space. They have provided a multiple-wor...
231
Voted
ICDE
2008
IEEE
16 years 5 months ago
2008
IEEE
Aggregation is among the core functionalities of OLAP systems. Frequently, such queries are issued in decision support systems to identify interesting groups of data. When more tha...
222
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SIGMOD
2008
ACM
16 years 3 months ago
2008
ACM
Sampling is a popular method of data collection when it is impossible or too costly to reach the entire population. For example, television show ratings in the United States are g...
142
Voted
VLDB
1992
ACM
15 years 7 months ago
1992
ACM
Research in temporal databases has mainly focused on defining temporal data models by extending existing models, and developing access structures for temporal data. Little has bee...
137
Voted
CASCON
2001
15 years 5 months ago
2001
On Line Analytical Processing (OLAP) aims at gaining useful information quickly from large amounts of data residing in a data warehouse. To improve the quickness of response to qu...