This paper focuses on how the use of common tools within the software development process facilitates the emergence of a common language and shared understanding in distributed software development teams. The paper presents the case of a software development team forced by circumstances to use two bug tracking systems in parallel in a pre-release phase; the consequences of this unusual situatio...

This paper presents the visual surveillance aspects of a distributed intelligent system that has been developed in the context of aircraft activity monitoring. The overall tracking system comprises three main modules — Motion Detection, Object Tracking and Data Fusion. In this paper we primarily focus on the object tracking and data fusion modules.

With recent advances in device fabrication technology, economical deployment of large scale sensor networks, capable of pervasive monitoring and control of physical systems have become possible. Scalability, low overhead and distributed functionality are some of the key requirements for any protocol designed for such large scale sensor networks. In this paper, we present a protocol, Distributed...

The goal of this paper is to describe a next generation version of an existing distributed tracking system (enhanced-Distributed Tracking System or e-DTS), called eDTS 2.0. The new features of e-DTS 2.0 include implementing dynamic discovery and communication between the various system components, improving camera calibration through alternate techniques, addressing clock drift and synchronizat...

This paper considers the distributed H∞ leader-following tracking problem for a class of discretetime multi-agent systems with a high-dimensional dynamic leader. It is assumed that output information about the leader is only available to designated followers, and the dynamics of the followers are subject to perturbations. To achieve distributed H∞ leader-following tracking, a new class of contr...

This paper considers the distributed consensus tracking problem for the linear multi-agent systems with unknown dynamics under general directed graphs. Based on the output information among the agents, distributed adaptive consensus tracking protocols together with two observers, consisting of a local observer and an adaptive estimator, are designed to guarantee that all the signals in the clos...

The provenance of a file represents the origin and history of the file data. A Distributed Provenance Aware Storage System (DPASS) tracks the provenance of files in a distributed file system. The provenance information can be used to identify potential dependencies between files in a filesystem. Some applications of provenance tracking include (i) tracking the transformations applied to process...

This paper considers the distributed H∞ leader-following tracking problem for a class of discretetime multi-agent systems with a high-dimensional dynamic leader. It is assumed that output information about the leader is only available to designated followers, and the dynamics of the followers are subject to perturbations. To achieve distributed H∞ leader-following tracking, a new class of contr...

In this paper, we address the distributed filtering and prediction of time-varying random fields represented by linear time-invariant (LTI) dynamical systems. The field is observed by a sparsely connected network of agents/sensors collaborating among themselves. We develop a Kalman filter type consensus+innovations distributed linear estimator of the dynamic field termed as Consensus+Innovation...