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Northeast Artificial Intelligence Consortium (NAIC). Volume 18. A distributed Artificial Intelligence Approach to Information Fusion and Object Classification
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In: DTIC AND NTIS (1990)
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| 102 |
The Effect of Three Variables on Synthetic Speech Intelligibility in Noisy Environments
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In: DTIC AND NTIS (1990)
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| 103 |
Rule-Based Expert Systems in the Command Estimate: An Operational Perspective
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In: DTIC AND NTIS (1990)
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| 104 |
Collection Management and Dissemination: The Anchor in the Race against Time
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In: DTIC AND NTIS (1990)
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| 105 |
Northeast Artificial Intelligence Consortium (NAIC). Volume 2. Discussing, Using, and Recognizing Plans
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In: DTIC AND NTIS (1990)
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| 106 |
Development of a Spoken Language System
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In: DTIC AND NTIS (1990)
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| 107 |
Keyword Feedback for Improving Speech Recognition in Command and Control Information-Acquisition Tasks
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In: DTIC AND NTIS (1989)
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| 108 |
Evaluating Intelligence Systems That Support Deep Fires
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In: DTIC AND NTIS (1989)
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| 109 |
Investigative Report Writing: A Field Study
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In: DTIC AND NTIS (1989)
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| 110 |
Narrative Compression Coding for a Channel with Errors.
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In: DTIC AND NTIS (1988)
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Abstract:
Data compression codes offer the possibility of improving the thruput of existing communication systems in the near term. This study was undertaken to determine if data compression codes could be utilized to provide message compression in a channel with up to a 0.10 bit error rate. The data compression capabilities of codes were investigated by estimating the average number of bits-per-character required to transmit narrative files. The performance of the codes in a channel with errors (a noisy channel) was investigated in terms of the average numbers of characters-decoded-in-error and of characters-printed-in-error-per-bit-error. Results were obtained by encoding four narrative files, which were resident on an IBM-PC and use a 58 character set. The study focused on Huffman codes and suffix/prefix comma-free codes. Other data compression codes, in particular, block codes and some simple variants of block codes, are briefly discussed to place the study results in context. Comma-free codes were found to have the most promising data compression because error propagation due to bit errors are limited to a few characters for these codes. A technique was found to identify a suffix/prefix comma-free code giving nearly the same data compressions as a Huffman code with much less error propagation than the Huffman codes. Greater data compression can be achieved through the use of this comma-free code word assignments based on conditioned probabilities of character occurrence. Keywords: Comma-free data, Data compression capabilities, and Huffman code. ; Presented at the AGARD Electromagnetic Wave Propagation Panel, Lisbon, (Portugal) 19-23 Oct 87.
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Keyword:
*CODING; *COMMUNICATION AND RADIO SYSTEMS; *DATA PROCESSING; *MESSAGE PROCESSING; Command; COMPRESSION; Control and Communications Systems; DATA COMPRESSION; ERRORS; FILES(RECORDS); Optics; PROBABILITY; PROPAGATION; RATES; VARIATIONS
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URL: http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA191577
http://www.dtic.mil/docs/citations/ADA191577
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| 111 |
Task-Oriented, Naturally Elicited Speech (TONE) Database for the Force Requirements Expert System, Hawaii (FRESH)
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In: DTIC AND NTIS (1988)
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| 112 |
Exploring the Back-Propagation Network for Speech Applications
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In: DTIC AND NTIS (1988)
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| 113 |
Pitfalls in the Use of Imperfect Information
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In: DTIC AND NTIS (1988)
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| 114 |
Knowledge Representation for C(3)I
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In: DTIC AND NTIS (1988)
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| 115 |
Integrating Syntax, Semantics, and Discourse DARPA Natural Language Understanding Program. Volume 1
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In: DTIC AND NTIS (1987)
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| 116 |
A Feasibility Study Using Chinese Speech as a Command/Control Tool for Computer Systems.
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In: DTIC AND NTIS (1987)
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| 117 |
The Aerial Exploitation Battalion: Solution to the 'Timely' Intelligence Dilemma at Corps and Below
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In: DTIC AND NTIS (1987)
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| 118 |
Applicability of Artificial Intelligence to the Global Decision Support System
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In: DTIC AND NTIS (1987)
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| 119 |
WIS (WWMCCS (World Wide Military Command and Control System) Information System) Ada (Trade Name) Translator Testing.
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In: DTIC AND NTIS (1987)
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| 120 |
Using Voice Recognition as an Input Medium to the JINTACCS (Joint Interoperability of Tactical Command and Control Systems) Automated Message Preparation System (JAMPS).
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In: DTIC AND NTIS (1986)
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