549 search results - page 88 / 110 » Data Expiration and Aggregate Queries |
118
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ADC
2010
Springer
14 years 6 months ago
2010
Springer
Aggregation against distinct objects has been involved in many real applications with the presence of duplicates, including real-time monitoring moving objects. In this paper, we ...
WEA
2007
Springer
15 years 5 months ago
2007
Springer
Dynamic tree data structures maintain forests that change over time through edge insertions and deletions. Besides maintaining connectivity information in logarithmic time, they ca...
123
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IPPS
1999
IEEE
15 years 4 months ago
1999
IEEE
Multidimensional Analysis and On-Line Analytical Processing (OLAP) uses summary information that requires aggregate operations along one or more dimensions of numerical data value...
111
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PODS
2002
ACM
15 years 12 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...
123
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SIGMOD
1998
ACM
15 years 4 months ago
1998
ACM
Databases are increasingly being used to store multi-media objects such as maps, images, audio and video. Storage and retrieval of these objects is accomplished using multi-dimens...