Concurrency and distribution have become the dominant paradigm and concern in computer science. Despite the fact that much of the early research in object-oriented programming focused on sequential systems, objects are a natural unit of distribution and concurrency - as elucidated early on by research on the Actor model. Thus, models and theories of concurrency, the oldest one being Petri nets, and their relation to objects are an attractive topic of study. This book presents state-of-the-art results on Petri nets and concurrent object-oriented programming in a coherent and competent way. The 24 thoroughly reviewed and revised papers are organized in three sections. The first consists of long papers, each presenting a detailed approach to integrating Petri nets and object-orientation. Section II includes shorter papers with emphasis on concrete examples to demonstrate the approach. Finally, section III is devoted to papers which significantly build on the Actor model of computation.

Your favorite Overwatch heroes' backstories are revealed in this anthology from Dark Horse Books and Blizzard Entertainment ! From Soldier: 76 to Ana, Tracer to Symmetra, discover the history behind Overwatch's heroes. How did Bastion become part of the team? Why did Ana Amari disappear? Where did Tracer get her catchphrase? Learn all this and more in this hardcover anthology of the first twelve issues of Blizzard's Overwatch comics, written and illustrated by an all-star creative team including Matt Burns, Robert Brooks, Micky Neilson, Nesskain, Bengal, and more. Whether you're an Overwatch novice or a Grandmaster, this is an essential companion! Reveals backstories and new details about Overwatch's heroes. Essential companion to the international best-selling game Overwatch! Overwatch has won 100 Game of the Year awards! Overwatch is a global phenomenon with 30 million players! Includes short stories by World of Warcraft: Chronicle writers Robert Brooks and Matt

This book constitutes the thoroughly refereed post-proceedings of the 4th International Workshop on Algorithm Engineering, WAE 2000, held in Saarbrücken, Germany in September 2000. The 19 revised full papers presented together with one invited paper were carefully reviewed and selected from a total of 30 submissions. Among the topics addressed are software repositories allowing for the use and experimentation with efficient discrete algorithms; novel uses of discrete algorithms; methodological issues on algorithms and data structures; and methodological issues on converting user requirements into efficient algorithmic and implementation solutions.

Get the essential information you need to implement CSS effectively with this concise yet comprehensive quick reference. Ideal for intermediate to advanced Web designers and developers, this fourth edition is revised and updated for CSS3, the latest version of the Cascading Style Sheet specification.