Contents
November/December 2008

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GUEST EDITORS' INTRODUTION
Data Stream Management: Aggregation, Classification, Modeling, and Operator Placement
Frank Olken and Le Gruenwald
Data stream management is concerned with managing large streams of data arriving from data communications or sensor networks. Interest in this area is increasing, and it will grow rapidly over the coming decade, driven by rapid growth in the pervasiveness and bandwidth of digital-communications networks and an impending explosion in sensor networks. This special issue provides a snapshot of ongoing work in this area.

TOWARD INTEGRATION
RESTful Web Services Development Checklist
Steve Vinoski
Representational State Transfer (REST) architectural style proponents describe it as being easy, but this in no way implies that REST is trivial or simplistic, nor does it mean that RESTful systems lack sophistication. The author covers the primary areas that developers must continually consider as they design and build Web services. Tools can certainly provide reminders about these areas and help to track progress, but ultimately, developers must understand the underlying technical issues to be able to make suitable design and implementation choices.

WEB-SCALE WORKFLOW TRACK
Combining the Power of Taverna and caGrid: Scientific Workflows that Enable Web-Scale Collaboration
Wei Tan, Ian Foster, and Ravi Madduri
Service-oriented architecture represents a promising approach to integrating data and software across different institutional and disciplinary sources, thus facilitating Web-scale collaboration while avoiding the need to convert different data and software to common formats. The US National Cancer Institute’s Biomedical Information Grid program seeks to create both a service-oriented infrastructure (caGrid) and a suite of data and analytic services. Workflow tools in caGrid facilitate both the use and creation of services by accelerating service discovery, composition, and orchestration tasks. The authors present caGrid’s workflow requirements and explain how they met these requirements by adopting and extending the Taverna system.

Call for Special Issue Proposals

IEEE Internet Computing publishes novel content from academic and industry experts on a wide range of special issue theme topics. Currently, IC is seeking special issue proposals for the 2010-2011 editorial calendar.

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