412 search results - page 24 / 83 » Aggregate queries over ontologies |
SIGMOD
1997
ACM
14 years 2 months ago
1997
ACM
Aggregation in traditional database systems is performed in batch mode: a query is submitted, the system processes a large volume of data over a long period of time, and, eventual...
SIGMOD
2008
ACM
14 years 10 months ago
2008
ACM
This demo presents a privacy-preserving aggregate location monitoring system, namely, TinyCasper, in which we can monitor moving objects in wireless sensor networks while preservi...
BMCBI
2007
13 years 10 months ago
2007
Background: Biomedical ontologies are being widely used to annotate biological data in a computer-accessible, consistent and well-defined manner. However, due to their size and co...
CEE
2010
13 years 10 months ago
2010
Feature aggregation is a critical technique in content-based image retrieval systems that employ multiple visual features to characterize image content. One problem in feature aggr...
INFFUS
2008
13 years 10 months ago
2008
Data processing applications for sensor streams have to deal with multiple continuous data streams with inputs arriving at highly variable and unpredictable rates from various sour...