620 search results - page 28 / 124 » Algorithms for Rewriting Aggregate Queries Using Views |
162
Voted
ADVIS
2004
Springer
15 years 8 months ago
2004
Springer
Data mining is an interactive and iterative process. Users issue series of similar queries until they receive satisfying results, yet currently available data mining systems do not...
113
Voted
CHI
2011
ACM
14 years 6 months ago
2011
ACM
Microblogs are a tremendous repository of user-generated content about world events. However, for people trying to understand events by querying services like Twitter, a chronolog...
133
Voted
AMW
2010
15 years 4 months ago
2010
In this work we present in-network techniques to improve the efficiency of spatial aggregate queries. Such queries are very common in a sensornet setting, demanding more targeted t...
121
Voted
IPPS
2007
IEEE
15 years 9 months ago
2007
IEEE
— An important class of queries over sensor networks are network-wide aggregation queries. In this work we study a class of aggregation queries which we refer to as aggregate thr...
131
Voted
DGO
2003
15 years 4 months ago
2003
To query XML data over the Web, query engines need to be able to resolve semantic differences between heterogeneous attributes that are conceptually similar. This demo presents a ...