1394 search results - page 143 / 279 » Executing Nested Queries |
221
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SIGMOD
2007
ACM
16 years 3 months ago
2007
ACM
An emerging challenge in modern distributed querying is to efficiently process multiple continuous aggregation queries simultaneously. Processing each query independently may be i...
146
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MDM
2010
Springer
15 years 5 months ago
2010
Springer
A k-Range Nearest Neighbor (or kRNN for short) query in road networks finds the k nearest neighbors of every point on the road segments within a given query region based on the net...
197
Voted
SIGMOD
2008
ACM
16 years 3 months ago
2008
ACM
Tools for generating test queries for databases do not explicitly take into account the actual data in the database. As a consequence, such tools cannot guarantee suitable coverag...
140
Voted
EDBT
2006
ACM
16 years 3 months ago
2006
ACM
Scientific data in the life sciences is distributed over various independent multi-format databases and is constantly expanding. We discuss a scenario where a life science research...
143
Voted
DMSN
2009
ACM
15 years 10 months ago
2009
ACM
We study query scheduling in Wireless Sensor Networks (WSNs) with a focus on two important metrics: Quality of Service (QoS) and Quality of Data (QoD). The motivation comes from o...