In the context of the generalization process of computerization in all areas of economic and social necessity author presents the design of information systems at risk as small operation. This paper defines the concept of reliability of systems, its basic components and create a model for...

The paper aims to study the different types of information used in decision making. We also analyzed the levels of aggregation, management and softwares that process these types of information. The study started from the fact that data underlying the decision are increasingly complex, and the...

The paper aims to study the different types of information used in decision making. We also analyzed the levels of aggregation, management and softwares that process these types of information. The study started from the fact that data underlying the decision are increasingly complex, and the...

Traffic data is used to estimate current traffic conditions so that travelers and agencies can make better decisions about how to use and manage the transportation network. This research explores the fusion of probe data (vehicle speed and direction) with loop data (density, speed, and count) in...

Data warehousing solution development represents a challenging task which requires the employment of considerable resources on behalf of enterprises and sustained commitment from the stakeholders. Costs derive mostly from the amount of time invested in the design and physical implementation of...

This report documents research focusing on: 1) analyzing performance measurements for California Department of Transportation (Caltrans) Transportation Management Centers (TMCs); 2) identifying and assessing the feasibility of data collection and management activities required to support TMC...

This document presents the final report on a project focusing on new traffic sensor technology, mainly video cameras, for traffic surveillance and detection. It describes a Transportation Management Center (TMC), designed for the collation and computation of multi-site statistics. The report...

The Smart Call Box Field Operational Test evaluated the feasibility and cost-effectiveness of using smart call boxes for five data processing and transmission tasks: traffic census, incident detection, hazardous weather reporting, changeable message sign control, and video surveillance....

The objective of this study is to collect, organize, analyze, and summarize available detector data for the Santa Monica Freeway. The primary goal is to develop on/off ramp counts as input to a synthetic origin/destination model; mainline freeways counts are also needed. Strategies for...