1302 search results - page 55 / 261 » Multi-objective Query Processing for Database Systems |
SIGMOD
2006
ACM
14 years 9 months ago
2006
ACM
In this paper, we present the design, implementation, and evaluation of a system that executes complex event queries over real-time streams of RFID readings encoded as events. The...
VLDB
2004
ACM
14 years 2 months ago
2004
ACM
We introduce an auditing framework for determining whether a database system is adhering to its data disclosure policies. Users formulate audit expressions to specify the (sensiti...
FUIN
2006
13 years 8 months ago
2006
In this paper we deal with the problem of finding an optimal query execution plan in database systems. We improve the analysis of a polynomial-time approximation algorithm due to M...
IDEAS
2002
IEEE
14 years 1 months ago
2002
IEEE
Based on the recent progress of digital cartography, global positioning systems (GPSs), and hand-held devices, there are growing needs of technology that provides neighborhood inf...
PODS
2002
ACM
14 years 9 months ago
2002
ACM
In this overview paper we motivate the need for and research issues arising from a new model of data processing. In this model, data does not take the form of persistent relations...