706 search results - page 87 / 142 » XPath Queries on Streaming Data |
SSD
2007
Springer
15 years 4 months ago
2007
Springer
In this paper we study the evaluation of continuous constraint queries (CCQs) for spatiotemporal streams. A CCQ triggers an alert whenever a configuration of constraints between s...
EDBT
2008
ACM
15 years 10 months ago
2008
ACM
Index trees created using distance based indexing are difficult to maintain online since the distance function involved is often costly to compute. This problem is intensified whe...
BDA
2006
14 years 11 months ago
2006
XML data projection (or pruning) is one of the main optimization techniques recently adopted in the context of main-memory XML query-engines. The underlying idea is quite simple: ...
VLDB
1994
ACM
15 years 1 months ago
1994
ACM
As video data is penetrating many information systems the need for database support for video data evolves. In this paper we present a generic data model that captures the structu...
ICDE
2009
IEEE
15 years 4 months ago
2009
IEEE
— Existing stream processing systems are optimized for a specific metric, which may limit their applicability to diverse applications and environments. This paper presents XFlow...