SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
Encryption is a well established technology for protecting sensitive data. However, once encrypted, data can no longer be easily queried aside from exact matches. We present an or...
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
In this paper, we study query evaluation on Active XML documents (AXML for short), a new generation of XML documents that has recently gained popularity. AXML documents are XML do...
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
We consider the problem of pipelined filters, where a continuous stream of tuples is processed by a set of commutative filters. Pipelined filters are common in stream applications...
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
We define a framework for static optimization of sliding window conjunctive queries over infinite streams. When computational resources are sufficient, we propose that the goal of...
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
We present the Priority R-tree, or PR-tree, which is the first R-tree variant that always answers a window query using O((N/B)1-1/d + T/B) I/Os, where N is the number of ddimensio...
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
Secure communication guaranteeing reliability, authenticity, and privacy in sensor networks with active adversaries is a challenging research problem since asymmetric key cryptosy...
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
We provide here an overview of the new and rapidly emerging research area of privacy preserving data mining. We also propose a classification hierarchy that sets the basis for ana...
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
The goal of having networks of seamlessly connected people, software agents and IT systems remains elusive. Early integration efforts focused on connectivity at the physical and s...
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
In a distributed sensor network, large number of sensors deployed which communicate among themselves to selforganize a wireless ad hoc network. We propose an energyefficient level...