We explore join optimizations in the presence of both timebased constraints (sliding windows) and value-based constraints (punctuations). We present the first join solution named...
This paper presents a framework for personal agents that respect the privacy of the individual. We present some motivations and outline a framework for the use of personal agents a...
Ian Dickinson, Dave Reynolds, Dave Banks, Steve Ca...
Modular, self-reconfigurable robots show the promise of great versatility, robustness and low cost. This paper presents examples and issues in realizing those promises. PolyBot is...
The functionality of extensible database servers can be augmented by user-de ned functions UDFs. However, the server's security and stability are concerns whenever new code...
Michael W. Godfrey, Tobias Mayr, Praveen Seshadri,...
The amount of available digital multimedia has seen exponential growth in recent years. While advances have been made in the indexing and searching of images and videos, less focu...