125 search results - page 16 / 25 » Progressive Content-Sensitive Data Retrieval in Sensor Netwo... |
DMSN
2005
ACM
13 years 9 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...
JSS
2006
13 years 7 months ago
2006
Recent progress of computer and network technologies makes it possible to store and retrieve a large volume of multimedia data in many applications. In such applications, efficien...
ACISICIS
2008
IEEE
14 years 1 months ago
2008
IEEE
Wireless sensor networks (WSNs) provide various environment data in the real-world, and also WSNs´s middleware is able to offer field data in real-time by user queries. For mate...
SSDBM
2007
IEEE
14 years 1 months ago
2007
IEEE
Reservoir sampling is a well-known technique for sequential random sampling over data streams. Conventional reservoir sampling assumes a fixed-size reservoir. There are situation...
SASN
2006
ACM
14 years 1 months ago
2006
ACM
A great challenge in securing sensor networks is that sensor nodes can be physically compromised. Once a node is compromised, attackers can retrieve secret information (e.g. keys)...