109 search results - page 8 / 22 » Evaluating top-k queries over incomplete data streams |
VLDB
2005
ACM
15 years 3 months ago
2005
ACM
We study XML stream-specific schema-based optimization. We assume a widely-adopted automata-based execution model for XQuery evaluation. Criteria are established regarding what s...
96
Voted
DMSN
2005
ACM
14 years 11 months ago
2005
ACM
In this paper we present the Threshold Join Algorithm (TJA), which is an efficient TOP-k query processing algorithm for distributed sensor networks. The objective of a top-k query...
SSDBM
2007
IEEE
15 years 3 months ago
2007
IEEE
Applications that query data streams in order to identify trends, patterns, or anomalies can often benefit from comparing the live stream data with archived historical stream dat...
83
Voted
ICDE
2009
IEEE
15 years 4 months ago
2009
IEEE
Applications involving analysis of data streams have gained significant popularity and importance. Frequency counting, frequent elements and top-k queries form a class of operato...
91
Voted
EDBTW
2006
Springer
15 years 1 months ago
2006
Springer
Geospatial image data obtained by satellites and aircraft are increasingly important to a wide range of applications, such as disaster management, climatology, and environmental m...