Documents on the PageBox site http://pagebox.net/other.html Documents about the travel industry, software methods and algorithms, and Society. A practical solution for the deployment of Java Server Pages - part 1 http://pagebox.net/jdjarticle/jdjarticle0101.htm This article, published in Java Developer Journal, presents class loaders. A practical solution for the deployment of Java Server Pages - part 2 http://pagebox.net/jdjarticle/jdjarticle0102.htm This article, published in Java Developer Journal, explains how to control HTTP caching from Java. A practical solution for the deployment of Java Server Pages - part 3 http://pagebox.net/jdjarticle/jdjarticle0105.htm This article, published in Java Developer Journal, presents Java 2 security. Grid presentation http://pagebox.net/grid.html This document presents Grid environments and the principles of a PageBox Grid API. NWS presentation http://pagebox.net/nws.html Network Weather Service is a very interesting facility for Grid environments able to forecast the network performance and available CPU percentage on the machines that it monitors. Grid API v2 http://pagebox.net/gridv2.html This document presents a better Grid implementation for PageBox using relays. PageBox controls http://pagebox.net/controls.html This document discusses server-based controls in PHP, .NET and Java that can be used in portals. PageBox coordinator http://pagebox.net/coordinator.html In the PageBox environment the control coordinator facilitates control to control communication. The control coordinator implements heap management, event management and transactions. Software development and algorithms http://pagebox.net/soft.html This document presents algorithms, design and test methods and metrics. Graph introduction http://pagebox.net/graph.html This document introduces graphs and discusses search methods and graph partioning. Kalman filters http://pagebox.net/kalman.html A Kalman filter aims to estimate a set of variables using a set of measurements where variable evolve according to linear equations and the measurement is also related to the estimated variables by linear equations. Air transport http://pagebox.net/airtransport.html Air Transport Industry is one of the best prototypes of the future world where all human activities will be integrated, administrations, companies and contractors. This document presents the organization of international air transport, the hub and spoke organization, the revenue management, the slot system, the frequent flyer programs, the alliances and the online booking engines. Society and computing http://pagebox.net/social.html The Society failed to adapt to the Web revolution. An increasing number of workers have jobs whose results cannot be easily checked and measured. This burden prevents the Society to keep the current level of innovations. Because the computer industry has a close to zero marginal cost its prices should fall and it shouldn't be able to keep the current number of jobs. Human networks http://pagebox.net/networks.html A human network is a secret organization that links some people to share secrets and give to these people a competitive advantage. This organization is frequently so secret that its members would sincerely reject the idea that they belong to a network. Human networks play a key but declaining part in the Society.