641 search results - page 24 / 129 » Temporal Queries in OLAP |
175
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ESWS
2009
Springer
15 years 1 months ago
2009
Springer
Many applications operate on time-sensitive data. Some of these data are only valid for certain intervals (e.g., job-assignments, versions of software code), others describe tempor...
154
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APIN
2002
15 years 3 months ago
2002
We develop the scheme of indefinite constraint databases using first-order logic as our representation language. When this scheme is instantiated with temporal constraints, the res...
119
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VL
2009
IEEE
15 years 10 months ago
2009
IEEE
In many domains, decision makers want to find and understand patterns of events as these patterns often give insight into the causal relationships among events. Current systems to...
140
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DOLAP
2003
ACM
15 years 9 months ago
2003
ACM
Motivated by the need for more flexible OLAP systems, this paper presents work on logical integration of external data in OLAP databases, carried out in cooperation between the D...
143
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ERCIMDL
2010
Springer
15 years 5 months ago
2010
Springer
Abstract. Recent work on analyzing query logs shows that a significant fraction of queries are temporal, i.e., relevancy is dependent on time, and temporal queries play an importan...