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Computer Engineering Commons

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Full-Text Articles in Computer Engineering

Facilitating Conversations Among Web Services As Speech-Act Based Discourses, Karthikeyan Umapathy, Sandeep Purao, Vijayan Sugumaran Dec 2003

Facilitating Conversations Among Web Services As Speech-Act Based Discourses, Karthikeyan Umapathy, Sandeep Purao, Vijayan Sugumaran

Karthikeyan Umapathy

Web services composition is an emerging paradigm for enabling application deployment and integration within and across organizational boundaries. A landscape of languages and techniques for web services composition has emerged and is continuously being enriched. The ability to support conversations taking place between Web Services is an important area that is not yet fully addressed by the emerging standards. We suggest an approach to derive speech-act based message structures for conversation support that can complement existing standards.


Optical And Acoustic Habitat Characterization With The Seabed Auv, Hanumant Singh, Ryan Eustice, Oscar Pizarro, Christopher Roman Aug 2003

Optical And Acoustic Habitat Characterization With The Seabed Auv, Hanumant Singh, Ryan Eustice, Oscar Pizarro, Christopher Roman

Christopher N. Roman

The Seabed AUV is an Autonomous Underwater Vehicle (AUV) built to serve as a readily available and operationally simple tool for high resolution imaging. It is a hover-capable vehicle that performs optical sensing with a 12 bit 1280/spl times/1024 CCD camera and acoustic high resolution mapping using an MST 300 kHz sidescan and a 675 kHz pencil beam bathymetric sonar. The AUV has been designed for operations from small vessels with minimal support equipment. It has an operational depth of 2000 meters and at 1 m/s can run for up to 10 hours. In this paper we report on the …


Wind Gusts, Christopher Roman May 2003

Wind Gusts, Christopher Roman

Christopher N. Roman

Article that appeared in Sail magazine (ISSN: 0036-2700).


Waves And Current, Christopher Roman Mar 2003

Waves And Current, Christopher Roman

Christopher N. Roman

Article that appeared in Sail magazine (ISSN: 0036-2700).


The Mysterious Marine Layer, Christopher Roman Jan 2003

The Mysterious Marine Layer, Christopher Roman

Christopher N. Roman

Article that appeared in Sail magazine (ISSN: 0036-2700).


Manufacturing Interoperability, Steven Ray, Al Jones Dec 2002

Manufacturing Interoperability, Steven Ray, Al Jones

Steven R Ray

As manufacturing and commerce become ever more global in nature, companies are increasingly dependent upon the efficient and effective exchange of information with their partners, wherever they may be. Leading manufacturers rely upon computers to perform this information exchange, which must therefore be encoded for electronic transmission. Because no single company can dictate that all its partners use the same software, standards for how the information is represented become critical for cost-effective, errorfree transmission of data. This paper discusses some interoperability issues related to current standards, and describes two projects underway at the National Institute of Standards and Technology in …