306 search results - page 4 / 62 » Approximate Judgement Aggregation |
SIGMOD
1999
ACM
15 years 2 months ago
1999
ACM
Computing multidimensional aggregates in high dimensions is a performance bottleneck for many OLAP applications. Obtaining the exact answer to an aggregation query can be prohibit...
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IS
2006
14 years 9 months ago
2006
In-network data aggregation has been recently proposed as an effective means to reduce the number of messages exchanged in wireless sensor networks. Nodes of the network form an a...
PODS
2005
ACM
15 years 10 months ago
2005
ACM
The traditional statistical assumption for interpreting histograms and justifying approximate query processing methods based on them is that all elements in a bucket have the same...
EDBT
2009
ACM
15 years 2 months ago
2009
ACM
The concept of time-constrained SQL queries was introduced to address the problem of long-running SQL queries. A key approach adopted for supporting time-constrained SQL queries i...
DKE
2007
14 years 9 months ago
2007
Histogram techniques have been used in many commercial database management systems to estimate a query result size. Recently, it has been shown that they are very effective to su...