2674 search results - page 145 / 535 » Data Models and Query Languages for Spatial Databases |
165
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ADBIS
1999
Springer
15 years 9 months ago
1999
Springer
Abstract. One of the most important data mining tasks is discovery of frequently occurring patterns in sequences of events. Many algorithms for finding various patterns in sequenti...
155
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EDBT
2006
ACM
16 years 5 months ago
2006
ACM
Abstract. Sensor networks monitor physical phenomena over large geographic regions. Scientists can gain valuable insight into these phenomena, if they understand the underlying dat...
184
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WIDM
2005
ACM
15 years 10 months ago
2005
ACM
In XML retrieval, two distinct approaches have been established and pursued without much cross-fertilization taking place so far. On the one hand, native XML databases tailored to...
138
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DOLAP
2009
ACM
15 years 11 months ago
2009
ACM
The current commercial and academic OLAP tools do not process XML data that make use of XLink. To develop OLAP systems for helping in the analysis of such data, this paper propose...
222
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VLDB
2007
ACM
16 years 5 months ago
2007
ACM
An optimization query asks for one or more data objects that maximize or minimize some function over the data set. We propose a general class of queries, model-based optimization ...