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PircBot is a Java framework for writing IRC bots quickly and easily. Its features include an event-driven architecture to handle common IRC events, flood protection, DCC resuming support, ident support, and more. Its comprehensive logfile format is suitable for use with pisg to generate channel statistics. Full documentation is included, and this page contains a 5-minute step-by-step guide to making your first IRC bot. PircBot allows you to perform a variety of fun tasks on IRC, but it is also used for more serious applications by the US Navy, the US Air Force, the CIA (unconfirmed), several national defence agencies, and inside the Azureus bittorrent client. But don't let that put you off - it's still easy to use!

This semantic wiki at OpenResearch.org aims at making the world of science more visible and accessible. Everybody can add his favorite events (e.g. conferences and workshops), co-workers, tools / datasets, community fora or journals. Pooled together these pieces of information constitute a vast knowledge base about who and what moves science forward.

The Open Bioinformatics Foundation or O|B|F is a non profit, volunteer run organization focused on supporting open source programming in bioinformatics. The foundation grew out of the volunteer projects BioPerl, BioJava and BioPython and was formally incorporated in order to handle our modest requirements of hardware ownership, domain name management and funding for conferences and workshops.The Foundation does not participate directly in the development or structure of the open source work, but as the members of the foundation are drawn from the member projects, there is clear commonality of direction and purpose. Occasionally the O|B|F directors may make announcements about our direction or purpose (a recent one was on the licensing of academic software) when the board feels there is a need to clarify matters, but in general we prefer to remain simply the administrative support organization for our member projects. Our main activities are: * Underwriting and supporting the BOSC conferences * Organizing and supporting developer-centric "hackathon" events * Managing our servers, colocation facilities, bank account & other assets We are incorporated in the state of Delaware, USA as a not-for-profit company.

Existing studies on BitTorrent systems are single-torrent based, while more than 85% of all peers participate in multiple torrents according to our trace analysis. In addition, these studies are not sufficiently insightful and accurate even for single-torrent models, due to some unrealistic assumptions. Our analysis of representative BitTorrent traffic provides several new findings regarding the limitations of BitTorrent systems: (1) Due to the exponentially decreasing peer arrival rate in reality, service availability in such systems becomes poor quickly, after which it is difficult for the file to be located and downloaded. (2) Client performance in the BitTorrent-like systems is unstable, and fluctuates widely with the peer population. (3) Existing systems could provide unfair services to peers, where peers with high downloading speed tend to download more and upload less. In this paper, we study these limitations on torrent evolution in realistic environments. Motivated by the analysis and modeling results, we further build a graph based multi-torrent model to study inter-torrent collaboration. Our model quantitatively provides strong motivation for inter-torrent collaboration instead of directly stimulating seeds to stay longer. We also discuss a system design to show the feasibility of multi-torrent collaboration.