24 search results - page 5 / 5 » Answering Keyword Queries involving Aggregates and GROUPBY o... |
DEBS
2007
ACM
13 years 8 months ago
2007
ACM
Queries for composite events typically involve the four complementary dimensions of event data, event composition, relationships between events (esp. temporal and causal), and acc...
SSDBM
2003
IEEE
13 years 10 months ago
2003
IEEE
The widespread use of sensor networks presents revolutionary opportunities for life and environmental science applications. Many of these applications involve continuous queries t...
EDBT
2010
ACM
13 years 10 months ago
2010
ACM
User privacy in location-based services has attracted great interest in the research community. We introduce a novel framework based on a decentralized architecture for privacy pr...
EDBT
2009
ACM
13 years 9 months ago
2009
ACM
Text corpora are often enhanced by additional metadata which relate real-world entities, with each document in which such entities are discussed. Such relationships are typically ...