2124 search results - page 233 / 425 » Aggregating time partitions |
144
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KDD
2007
ACM
16 years 6 months ago
2007
ACM
We propose frameworks and algorithms for identifying communities in social networks that change over time. Communities are intuitively characterized as "unusually densely kni...
226
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VLDB
2008
ACM
16 years 5 months ago
2008
ACM
This paper studies aggregate search in transaction time databases. Specifically, each object in such a database can be modeled as a horizontal segment, whose y-projection is its s...
166
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PODS
2002
ACM
16 years 5 months ago
2002
ACM
Data Warehousing and OLAPapplications typically view data as having multiple logical dimensions e.g., product, location with natural hierarchies de ned on each dimension. OLAP que...
160
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CICLING
2010
Springer
16 years 13 days ago
2010
Springer
We present an approach for automatic detection of topic change. Our approach is based on the analysis of statistical features of topics in time-sliced corpora and their dynamics ov...
146
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IPCCC
2007
IEEE
15 years 12 months ago
2007
IEEE
Sensor networks can be used for event alarming applications. To date, in most of the proposed schemes, the raw or aggregated sensed data is periodically sent to a data consuming c...