If you have picked up this book and are browsing the Preface, you may well be asking yourself"What makes this book different from the large number I can find on

Here is the first of a four-volume set that constitutes the refereed proceedings of the 12th International Conference on Human-Computer Interaction, HCII 2007,

The idea for this workshop originated when I came across and read Martin Zelkowitz's book on Requirements for Software Engineering Environments (the proceedings

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