353 search results - page 38 / 71 » A query index for continuous queries on RFID streaming data |
VLDB
1994
ACM
14 years 3 days 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...
RTSS
2006
IEEE
14 years 2 months ago
2006
IEEE
With the emergence of large wired and wireless sensor networks, many real-time applications need to operate on continuous unbounded data streams. At the same time, many of these s...
Publication
This paper presents a framework for building and continuously maintaining spatio-temporal histograms (ST-Histograms, for short). ST-Histograms are used for selectivity estimation o...
VLDB
2009
ACM
14 years 8 months ago
2009
ACM
Information is valuable to users when it is available not only at the right time but also at the right place. To support efficient location-based data access in wireless data broad...
SIGMOD
2004
ACM
14 years 8 months ago
2004
ACM
An eddy [2] is a highly adaptive query processing operator that continuously reoptimizes a query in response to changing runtime conditions. It does this by treating query process...