Filters








38,692 Hits in 8.0 sec

Clinical Decision Support Systems: A Review on Knowledge Representation and Inference Under Uncertainties

Guilan Kong, Dong-Ling Xu, Jian-Bo Yang
2008 International Journal of Computational Intelligence Systems  
Particular attention is paid to the uncertainty handling capability of the commonly used knowledge representation and inference schemes.  ...  This paper provides a literature review in clinical decision support systems (CDSSs) with a focus on the way knowledge bases are constructed, and how inference mechanisms and group decision making methods  ...  For example, the UMLS-based knowledge acquisition tool allows medical experts to configure ready made rulebased templates which are derived from the UMLS, but the UMLS only covers a restricted number of  ... 
doi:10.1080/18756891.2008.9727613 fatcat:x32rxicgtbgh5jq6qrvzhfomj4

Refinement of the HEPAR expert system: tools and techniques

Peter Lucas
1994 Artificial Intelligence in Medicine  
These tools provide valuable information about the effects of modification of the HEPAR knowledge base, and indicate places in the knowledge base for refinement.  ...  At a certain stage in the development of this system an incremental development methodology has been adopted, in which implementation of parts of the expert system was followed by dynamic validation.  ...  Note that current knowledge-acquisition methodologies do not offer much help in solving this problem.  ... 
doi:10.1016/0933-3657(94)90044-2 pmid:8049756 fatcat:2n4km7xz6jfdfdqfeb77k2utla

Systems medicine in oncology

José Costa
2008 Nature Clinical Practice Oncology  
Systems medicine requires knowledge, engineering and the use of artificial intelligence.  ...  Early examples of integrating information to increase the predictive power of morphological tests are beginning to yield promising results (Costa J Arch Pathol Lab Med, in press).  ...  Systems medicine requires knowledge, engineering and the use of artificial intelligence.  ... 
doi:10.1038/ncponc1070 pmid:18305488 fatcat:xqiuvr4gq5hv7ckk5hekbesxii

Data preparation and preprocessing for broadcast systems monitoring in PHM framework

Houda Sarih, Ayeley P. Tchangani, Kamal Medjaher, Eric Pere
2019 2019 6th International Conference on Control, Decision and Information Technologies (CoDIT)  
These data make it possible to extract information and knowledge for a better control of the system in order to improve its efficiency and reliability.  ...  Most of the time, the information collected by these sensors is mainly used for production monitoring rather than to analyzing the state of health of the production system.  ...  METHODOLOGY The main aim of this paper is to obtain exploitable and reliable data. The purpose of data acquisition is to collect monitoring data.  ... 
doi:10.1109/codit.2019.8820370 dblp:conf/codit/SarihTMP19 fatcat:3yys3rfcf5cjrmjzs6gcnxnqhe

Revisão integrativa: etapa inicial do processo de validação de diagnóstico de enfermagem

Daniele Alcalá Pompeo, Lídia Aparecida Rossi, Cristina Maria Galvão
2009 Acta Paulista de Enfermagem  
Diagnostic content validation is based on the acquisition of expert opinions about the level on which certain defining characteristics are indicative of a diagnosis; the clinical diagnostic validation  ...  The Brazilian literature shows two examples of instruments to extract data from articles included in the review (11, 13) .  ... 
doi:10.1590/s0103-21002009000400014 fatcat:kofqwfktzfbpjpogqvn2tohdbq

Expert system methodologies and applications—a decade review from 1995 to 2004

Shu-Hsien Liao
2005 Expert systems with applications  
Based on the scope of 166 articles from 78 academic journals (retrieved from five online database) of ES applications, this paper surveys and classifies ES methodologies using the following eleven categories  ...  : rule-based systems, knowledge-based systems, neural networks, fuzzy ESs, objectoriented methodology, case-based reasoning, system architecture, intelligent agent systems, database methodology, modeling  ...  of ES, but also in the ability to collect data from online database.  ... 
doi:10.1016/j.eswa.2004.08.003 fatcat:bneyzjdknrcivmzst6bm3ddvxq

House calls: building and maintaining a rule-base

Kalev Ruberg, Steven M. Cornick, Kay A. James
1989 Knowledge Acquistion  
We gratefully acknowledge the contributions of Patrice Lapointe and his firm COPLANAM Ltee to this work. Without their expertise, this work would not have been possible.  ...  Knowledge acquisition The task of building such a "general practitioner" cannot be handled by informal knowledge acquisition methods.  ...  In the process of learning from examples, a set of examples is provided by a teacher. The example set mayor may not contain descriptions of concepts.  ... 
doi:10.1016/s1042-8143(89)80012-3 fatcat:2cfsvj3lfbfhxf6y6pn75e6cmi

The Clinical Imperative of Medical Imaging Informatics

Bruce I. Reiner, Eliot L. Siegel
2009 Journal of digital imaging  
Examples of some of these quality indicators, and the corresponding steps and technologies are listed in Table 1.  ...  In doing so, EBM serves as a methodological strategy to streamline and objectify the decision-making process.  ...  If a database contains the acquisition parameters used for large numbers of digital radiographic exams (e.g., portable chest radiographs), then it can be prospectively mined to determine the acquisition  ... 
doi:10.1007/s10278-009-9195-7 pmid:19415384 pmcid:PMC2706982 fatcat:sri5gzyduzfhnd2j6pscyshije

Automated Diagnosis of Data-Model Conflicts Using Metadata

R. O. Chen, R. B. Altman
1999 JAMIA Journal of the American Medical Informatics Association  
Next, they use this process decomposition to enumerate the possible causes of the data-model conflict and direct the acquisition of diagnostically relevant metadata.  ...  Finally, they use evidence statically and dynamically generated from the metadata collected to identify the most likely causes of the given conflict.  ...  Transferring data from a database to an ASCII file or data structure is an example of a transcription.  ... 
doi:10.1136/jamia.1999.0060374 pmid:10495098 pmcid:PMC61381 fatcat:ytieaowivvfnhlkk4aanhul5xq

Automatic Generation of Knowledge Base from Infrared Spectral Database for Substructure Recognition

Barbara Dȩbska, Barbara Guzowska-Świder, Daniel Cabrol-Bass
2000 Journal of chemical information and computer sciences  
This paper presents a new methodology of chemical substructure recognition by interpretation of an infrared spectrum.  ...  The process of searching for spectrumsubstructure correlation is realized by application of a statistical algorithm.  ...  [34] [35] [36] [37] [38] [39] [40] [41] [42] Algorithm of Knowledge Acquisition from an Example Base.  ... 
doi:10.1021/ci990271x pmid:10761136 fatcat:uyqgka3gyfcojcznehiblmzttu

HYCONES: a hybrid connectionist expert system

B de F Leão, E B Reátegui
1993 Proceedings. Symposium on Computer Applications in Medical Care  
The paper describes the architecture of the system, focusing on the hybrid aspects of the knowledge base and on its automatic knowledge acquisition technique from a case database.  ...  The first validation of the system is presented. At the end, a comparison with related research efforts and future developments are discussed.  ...  In addition to the case database, the mean KG of experts and non-experts, from the same three diagnosis above mentioned, were previously elicited by a knowledge acquisition methodology, described in [  ... 
pmid:8130516 pmcid:PMC2248551 fatcat:3nwshyh2cbey5lqlj2gdtckz6q

An Approach to Knowledge Acquisition for the Hull Form Design of Fishing Crafts

Glenn D. Aguilar, Takeo Koyama, Hiroyuki Yamato
1993 Journal of the Society of Naval Architects of Japan  
An interactive graphical tool for the production of hull designs from a parent design was developed based on knowledge acquired from domain experts and the technical literature.  ...  The problem of acquiring procedural knowledge for hull form design and construction of a knowledge base for hull form selection is addressed in this paper.  ...  Such difficulty results from a lack of understanding of the nature of human expertise, the methodology of a human being in using knowledge and the process of knowledge acquisition in general°.  ... 
doi:10.2534/jjasnaoe1968.1993.174_755 fatcat:s6tuefxvvndsxfgf645kvaonbi

How do experts recognize schizophrenia: the role of the disorganization symptom

Denise Razzouk, Jair de Jesus Mari, Itiro Shirakawa, Jacques Wainer, Daniel Sigulem
2006 Revista Brasileira de Psiquiatria  
This study describes the method of knowledge acquisition for the identification of the triggering symptoms used in the reasoning of three experts for the diagnosis of schizophrenia.  ...  to the graph methodology.  ...  In other words, the knowledge base is a database that embodies the knowledge extracted from the experts, i.e., the translation of expertise into cognitive models. 9 The knowledge base can thus be used  ... 
doi:10.1590/s1516-44462006000100003 pmid:16612483 fatcat:cauarbprqvda5im5fuvd224sru

Design and Implementation of an Expert Management System for Automobile Fault Detection

ABUBAKAR Dahiru Muhammed, AJIBOLA Aminat. A, MUHAMMAD SANUSI
2019 International Journal of Advances in Scientific Research and Engineering  
The model consists of inference engine, knowledge base, database, user interaction and adaptive mechanism.  ...  The expert system functioning is based on the database of car faults, symptoms and their correction, which make up its knowledge base. The new system was developed using PHP and MySQL database.  ...  From the theoretical study and practical application point of view, the fault diagnosis system based on neural network has unique advantages in knowledge acquisition, knowledge representation, reasoning  ... 
doi:10.31695/ijasre.2019.33576 fatcat:zxzhzubrgjb7tepycqobualb2y

A knowledge-based system for the non-destructive diagnostics of façade isolation using the information fusion of visual and IR images

Slobodan Ribarić, Darijan Marčetić, Denis Stjepan Vedrina
2009 Expert systems with applications  
Examples of the non-destructive testing and the fac ßade diagnostics obtained with the system are presented.  ...  This paper describes a knowledge-based system for the non-destructive diagnostics of fac ßade isolation.  ...  Examples of fac ade isolation diagnostics In this section we give two examples of fac ßade isolation diagnostics made using the knowledge-based system: for a modern building (Faculty of EE and Computing  ... 
doi:10.1016/j.eswa.2008.02.043 fatcat:djfwlc5pufe4zg6rhpt4gaovpi
« Previous Showing results 1 — 15 out of 38,692 results