Sixth Conference on Artificial Intelligence for Applications

5-9 May 1990

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  • Sixth Conference on Artificial Intelligence Applications (Cat. No.90CH2842-3)

    Publication Year: 1990
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    Freely Available from IEEE
  • Neural nets vs. expert systems: predicting in the financial field

    Publication Year: 1990, Page(s):72 - 77 vol.1
    Cited by:  Papers (1)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (420 KB)

    Compares actual data against two methods (a hybrid expert system and a neural network) for predicting a required number based upon past data and known future events. The purpose of the project was to find the best technical approach to predict required values in this type of domain. The significant contributions of this project were applying and comparing AI techniques for prediction of the requir... View full abstract»

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  • Real time expert system for predictive diagnostics and control of drilling operation

    Publication Year: 1990, Page(s):62 - 69 vol.1
    Cited by:  Papers (7)  |  Patents (9)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (772 KB)

    The suitability and applicability of a real-time expert system for integrating multiple sensors for predictive diagnostics, monitoring, and supervisory control of a drilling operation in an automated manufacturing environment were investigated. The real-time IDES (influence diagram based expert system) performs probabilistic inference and expected-value decision-making in integrating dynamic but n... View full abstract»

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  • Modeling diagnostic problem-solving at multiple levels of abstraction

    Publication Year: 1990, Page(s):55 - 61 vol.1
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (636 KB)

    A precise domain-independent computational model for diagnostic problem-solving at multiple levels of abstraction is presented. The knowledge representation framework allows causal knowledge to be represented in a precise yet natural way that reflects a human diagnostician's experience in guiding diagnostic reasoning at multiple levels of abstraction. The inference mechanism clearly defines how to... View full abstract»

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  • XDE: diagnosing devices with hierarchic structure and known component failure modes

    Publication Year: 1990, Page(s):48 - 54 vol.1
    Cited by:  Papers (13)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (580 KB)

    The Extended Diagnosis Engine (XDE), a program that incorporates hierarchic diagnosis and fault models into a model-based diagnosis framework, is discussed. XDE depends upon an assumption-based truth maintenance system (ATMS). The novel aspects of XDE are that the diagnosis descends through hierarchies, one describing the physical organization of the devices and another describing its functional o... View full abstract»

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  • TCS: a shell for content-based text categorization

    Publication Year: 1990, Page(s):320 - 326 vol.1
    Cited by:  Papers (20)  |  Patents (10)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (580 KB)

    The kind of application that the text categorization shell, TCS, can produce is characterized. Many of its applications have great commercial value. The design goals for TCS are discussed, and other approaches to text categorization in the light of these goals are examined. The TCS and how it meets its design goals are described, and examples of applications built with TCS are given. A text-catego... View full abstract»

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  • Empirical learning methods for digitized document recognition: an integrated approach to inductive generalization

    Publication Year: 1990, Page(s):37 - 45 vol.1
    Cited by:  Papers (2)  |  Patents (10)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (700 KB)

    A hybrid method of using empirical and supervised learning to acquire knowledge expressed in the form of classification rules is applied to optically scanned documents with the aim of automatic recognition and storage. An expert system devoted to classification recognizes a document as belonging to a class by its layout and the logical structure of a generic printed page. Decision rules for docume... View full abstract»

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  • Letter pattern recognition

    Publication Year: 1990, Page(s):312 - 319 vol.1
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (596 KB)

    A knowledge-based system that automatically recognizes the components of letters and stores an OCR (optical character recognition) version of each letter is described. The system first digitizes the document and segments it into blocks using only low-level segmentation techniques, then recognizes the block text contents and finally recognizes blocks as components. It uses attributes such as relati... View full abstract»

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  • Applying statistical knowledge to database analysis and knowledge base construction

    Publication Year: 1990, Page(s):30 - 36 vol.1
    Cited by:  Papers (2)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (640 KB)

    A software package, called KnowledgeSeeker, that combines statistical problem-solving algorithms with an interactive, graphically-oriented decision-tree display is discussed. It has a browser to enable end users to rapidly extract high-quality decision-making information from a database in the form of a decision tree or as a knowledge base of rules. KnowledgeSeeker captures statistical problem-sol... View full abstract»

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  • Kaleidoscope: a cooperative menu-guided query interface (SQL version)

    Publication Year: 1990, Page(s):304 - 310 vol.1
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (508 KB)

    Kaleidoscope is presented for the problem of providing cooperative interfaces for database users. The system proposes valid query constituents step-by-step and provides lexical and semantic feedback immediately to users. To implement this intraquery guidance, the context-free grammar (CFG) is extended with context variables and several types of procedural decorations and the knowledge useful for p... View full abstract»

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  • An object-oriented and constraint-based knowledge representation system for design object modeling

    Publication Year: 1990, Page(s):146 - 152 vol.1
    Cited by:  Papers (3)  |  Patents (5)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (520 KB)

    FREEDOM (Framework for Representing and Elaborating Design Object Models), a system for design object modeling, is presented. An object model, represented as a set of objects in this system, is not a mere data structure but an active entity which works to solve design problems. The knowledge representation provided in the system, based on the object-oriented paradigm, makes it possible to describe... View full abstract»

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  • Security audit trail analysis using inductively generated predictive rules

    Publication Year: 1990, Page(s):24 - 29 vol.1
    Cited by:  Papers (15)  |  Patents (6)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (420 KB)

    A time-based inductive learning approach to security audit trail analysis is presented. The approach uses a time-based inductive engine to generate rule-based sequential patterns that characterize the behavior of a user. The time-based inductive approach substantially increases the discriminating capability of an anomaly detection system due to the added dimension of information given in the seque... View full abstract»

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  • A persistent store for large shared knowledge bases

    Publication Year: 1990, Page(s):169 - 175 vol.1
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (728 KB)

    Techniques for managing problems associated with the scalability of large knowledge-based systems are presented. The discussion is based on experience in building a large knowledge-based system and on perceptions regarding future technological requirements to support ongoing development. Achieving persistence for knowledge bases (KBs) is investigated. Persistence refers to storing a knowledge base... View full abstract»

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  • Demonstrating artificial intelligence for space systems-integration and project management issues

    Publication Year: 1990, Page(s):191 - 197 vol.1
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (636 KB)

    As part of its systems autonomy demonstration project (SADP), the National Aeronautics and Space Administration (NASA) has recently demonstrated the Thermal Expert System (TEXSYS). Advanced real-time expert system and human interface technology was successfully developed and integrated with conventional controllers of prototype space hardware to provide intelligent fault detection, isolation and r... View full abstract»

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  • Logos-TCS: an expert system language for operations management based on temporal constraint satisfaction

    Publication Year: 1990, Page(s):214 - 221 vol.1
    Cited by:  Papers (1)  |  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (472 KB)

    It is shown that the precedence graph upon which popular analysis tools in operations management such as PERT/CPM depend, is a special case of the temporal constraint satisfaction (TCS) problem. TCS provides a richer set of temporal relationships than the precedence relationship. A temporal constraint system provides a metaphor (constraint propagation) to model the down-line effects of perturbatio... View full abstract»

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  • Plan recognition for intelligent interfaces

    Publication Year: 1990, Page(s):297 - 303 vol.1
    Cited by:  Papers (4)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (764 KB)

    A domain-independent assessment of plan recognition, with respect to its use in enhancing user interfaces, is presented. Plan recognition is a research area in automatic reasoning and is a promising approach to engineering better interfaces. Plan recognition makes interfaces more intelligent and interactive by providing an intelligent assistant that supports such tasks as advice generation, task c... View full abstract»

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  • IDP: automating the CAD/CAM link by reasoning about shape

    Publication Year: 1990, Page(s):138 - 145 vol.1
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (684 KB)

    A method and the components of an implemented system (IDP-Integrated Design and Planning) for integrating design and manufacturing processes are presented. AI techniques like cooperative reasoning and combining geometric evidence are used in a graph-based hypothesis. This generate-eliminate approach automatically extracts the shape primitives of a designed part and determines the relationships bet... View full abstract»

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  • Application of analogical planning to engineering design

    Publication Year: 1990, Page(s):244 - 249 vol.1
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (416 KB)

    The analogical graph matching (ANAGRAM) system, which performs analogical planning using a graph-match technique, is described. Given a target problem specification, ANAGRAM finds a similar problem from the database from which a solution can be derived. The difficulties that arise when an analogy fails because the base case is only partially applicable to the current problem are addressed. ANAGRAM... View full abstract»

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  • Representation of models for solving real-world physics problems

    Publication Year: 1990, Page(s):274 - 280 vol.1
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (496 KB)

    A computer program called a physics expert (APEX) has been developed to investigate the nature and contents of real-world physics problem models. As the representational primitives of the domain, two types of models are defined: canonical physical objects and physical models. During problem solving, the problem is represented in the form of a data connection network which is progressively augmente... View full abstract»

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  • A minimal connection model of abductive diagnostic reasoning

    Publication Year: 1990, Page(s):16 - 22 vol.1
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (488 KB)

    A minimal connection model of abductive diagnostic reasoning is presented. The domain knowledge is represented by a causal network. An explanation of a set of observations is a chain of causation events. These causation events constitute a scenario where all the observations can be observed. The authors define the best explanation to be the most probable explanation. The underlying causal model en... View full abstract»

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  • Computer vision in a heterogeneous software and hardware environment

    Publication Year: 1990, Page(s):85 - 91 vol.1
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (816 KB)

    A well-developed modular, extensible vision system, based on a connectionist approach, is analyzed from a concurrent processing standpoint. This system can accurately reconstruct objects, using a set of locally derived features, from real, low-resolution range data. The approach is highly parallel in nature. An implementation of the system in a heterogeneous multiprocessing environment is examined... View full abstract»

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  • A new toolkit for non-admissible heuristic search

    Publication Year: 1990, Page(s):162 - 168 vol.1
    Cited by:  Papers (2)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (644 KB)

    A collection of tools for finding good solutions to cost-minimization problems by means of nonadmissible heuristic search is discussed. The origin of these tools lies in the assumption that many biased heuristics are orderly. Their usefulness will depend upon how well the orderliness assumptions are realized. Therefore, domain-dependent knowledge must be applied in selecting a good search strategy... View full abstract»

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  • Spike: AI scheduling for NASA's Hubble Space Telescope

    Publication Year: 1990, Page(s):184 - 190 vol.1
    Cited by:  Papers (11)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (548 KB)

    The Spike scheduling system, developed for scheduling astronomical observations for NASA's Hubble Space Telescope (HST), is described. Spike is an activity-based AI scheduler which incorporates innovative approaches to constraint representation and reasoning and scheduling search. Although developed for space telescope scheduling, the Spike system was designed around a general scheduling-constrain... View full abstract»

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  • MOMO-model-based diagnosis for everybody

    Publication Year: 1990, Page(s):206 - 213 vol.1
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (536 KB)

    It is shown how to implement the core of a model-based diagnosis system by a small hyperresolution-based procedure using Prolog. The algorithm is able to find all possible diagnosis candidates. The model-based diagnosis by model generation (MOMO) algorithm has well-defined semantics and allows the description of models using general range-restricted clauses, in contrast to earlier systems, which o... View full abstract»

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  • Generating coordinated multimedia explanations

    Publication Year: 1990, Page(s):290 - 296 vol.1
    Cited by:  Papers (2)  |  Patents (4)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (584 KB)

    The coordinated multimedia explanation testbed (COMET) is a research system being developed to explore the coordinated generation of multimedia explanations of equipment maintenance and repair procedures. The form and content of all material presented is generated interactively, allowing explanations to be customized for the individual user and situation. COMET's architecture includes multiple sta... View full abstract»

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