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Record 37 of 204
Towards a distributed information architecture for avionics data
External Online Source: hdl:2014/38876
Author and Affiliation:
Mattmann, Chris
Freeborn, Dana
Crichton, Dan
Abstract: Avionics data at the National Aeronautics and Space Administration's (NASA) Jet Propulsion Laboratory (JPL consists of distributed, unmanaged, and heterogeneous information that is hard for flight system design engineers to find and use on new NASA/JPL missions. The development of a systematic approach for capturing, accessing and sharing avionics data critical to the support of NASA/JPL missions and projects is required. We propose a general information architecture for managing the existing distributed avionics data sources and a method for querying and retrieving avionics data using the Object Oriented Data Technology (OODT) framework. OODT uses XML messaging infrastructure that profiles data products and their locations using the ISO-11179 data model for describing data products. Queries against a common data dictionary (which implements the ISO model) are translated to domain dependent source data models, and distributed data products are returned asynchronously through the OODT middleware. Further work will include the ability to 'plug and play' new manufacturer data sources, which are distributed at avionics component manufacturer locations throughout the United States.
Publication Date: Nov 05, 2003
Document ID:
20060043781
(Acquired Sep 15, 2006)
Document Type: Conference Paper
Meeting Information: IASIS WWW/Internet Conference; November 5-8, 2003; Algarve; Porugal
Financial Sponsor: Jet Propulsion Lab., California Inst. of Tech.; Pasadena, CA, United States
Description: In English
Distribution Limits: Unclassified; Publicly available; Unlimited
Rights: Copyright
NASA Terms: APPLICATIONS PROGRAMS (COMPUTERS); AVIONICS; DICTIONARIES; DOCUMENT MARKUP LANGUAGES; ENGINEERS; HETEROGENEITY; INFORMATION SYSTEMS; NASA PROGRAMS; POSITION (LOCATION); SYSTEMS ENGINEERING; UNITED STATES
Other Descriptors: INFORMATION ARCHITECTURE; OBJECT ORIENTED DATA TECHNOLOGY (OODT); DISTRIBUTED DATA MANAGEMENT
Availability Source: Other Sources
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