SIGMOD
2003
ACM
14 years 4 months ago
2003
ACM
We provide a concise yet complete formal definition of the semantics of XPath 1 and summarize efficient algorithms for processing queries in this language. Our presentation is int...
SIGMOD
2003
ACM
14 years 4 months ago
2003
ACM
Traditional databases store sets of relatively static records with no pre-defined notion of time, unless timestamp attributes are explicitly added. While this model adequately rep...
SIGMOD
2003
ACM
14 years 4 months ago
2003
ACM
Though physical sensing instruments have long been used in astronomy, biology, and civil engineering, the recent emergence of wireless sensor networks and RFID has spurred a renai...
SIGMOD
2003
ACM
14 years 4 months ago
2003
ACM
A number of researchers have become interested in the design of global-scale networked systems and applications. Our thesis here is that the database community's principles a...
SIGMOD
2003
ACM
14 years 4 months ago
2003
ACM
Abstract-- Sensor networking technologies have developed very rapidly in the last ten years. In many situations, high quality multimedia streams may be required for providing detai...
SIGMOD
2003
ACM
14 years 4 months ago
2003
ACM
Mobile Ad-hoc Networks (MANET) is an emerging area of research. Most current work is centered on routing issues. This paper discusses the issues associated with data communication...
SIGMOD
2003
ACM
14 years 4 months ago
2003
ACM
We present an update on the status of the Cougar Sensor Database Project, in which we are investigating a database approach to sensor networks: Clients "program" the sen...
SIGMOD
2003
ACM
14 years 4 months ago
2003
ACM
The United States Environmental Protection Agency (EPA) prepares a national criteria and hazardous air pollutant (HAP) emission inventory with input from numerous states, local an...
SIGMOD
2003
ACM
14 years 4 months ago
2003
ACM
SIGMOD
2003
ACM
14 years 4 months ago
2003
ACM
We present an architecture and a set of challenges for peer database management systems. These systems team up to build a network of nodes (peers) that coordinate at run time most...