Search Results
Results 501 - 550 of 1007
< 6 7 8 9 10 11 12 13 14 15 16 >
Hahn U - - 1999
In this article, we introduce a knowledge-based approach to medical text understanding. From an in-depth consideration of deep sentence and text understanding we distill basic requirements for an adequate knowledge representation framework. These requirements are then matched with currently available medical ontologies (thesauri, terminologies, etc.). A fundamental trade-off is recognized ...
Matthies H K - - 1999
The combination of new and rapidly developing interactive multimedia computers and applications with electronic networks will require a restructuring of our traditional approach to strategic planning and organizational structure. Worldwide telecommunication networks (using satellites, cable) are now facilitating the global pooling of healthcare information and medical knowledge independent of location. ...
Wilbur W J - - 1999
At the National Library of Medicine (NLM), a variety of biomedical vocabularies are found in data pertinent to its mission. In addition to standard medical terminology, there are specialized vocabularies including that of chemical nomenclature. Normal language tools including the lexically based ones used by the Unified Medical Language System ...
ter Burg W J - - 1999
Medical decision-support systems in which uncertainty plays an essential role are increasingly based on the formalism of probabilistic networks. Although this formalism is very powerful, the construction of actual networks is not straightforward, and requires the availability of clearly structured medical domain models as a starting point. In this paper ...
Novak B - - 1999
From an intelligent system for a computer supported medical diagnosis it is expected to achieve high accuracy and ability to draw conclusions from a small data sets. Medical practice could takes many years to generate a large database. A new mathematical method that is able to learn on a small ...
Chen S M - - 1999
In this paper, we present a new method for fuzzy query processing for document retrieval based on extended fuzzy concept networks. In an extended fuzzy concept network, there are four kinds of fuzzy relationships between concepts, i.e., fuzzy positive association, fuzzy negative association, fuzzy generalization, and fuzzy specialization. An extended ...
Brown S H - - 1999
The Veterans Administration (VA) is aggressively pursuing computer-based medical records by deploying the Computerized Patient Record System (CPRS) across its 150 medical centers and 400 outpatient clinics. CPRS's client-server, patient-centered approach to clinical computing is a departure from VA's traditional terminal-compatible, department-centered approach. Although the CPRS software is freely distributed, ...
Venot A - - 1999
We present a methodology for the representation of the medical knowledge in the drug SPCs. It includes four steps, the two first of which are automated. All instances of a particular SPC text are gathered into a single file. Lexical analysis of the content of this file is performed and ...
Dworkin L A - - 1999
Kaiser Permanente, Northwest, evaluated the use of laptop computers to access our existing comprehensive Electronic Medical Record in exam rooms via a wireless radiofrequency (RF) network. Eleven of 22 clinicians who were offered the laptops successfully adopted their use in the exam room. These clinicians were able to increase their ...
Bischoff A - - 1999
This small-scale study attempts to examine the languages spoken in medical consultations during a one-month period in an outpatient clinic in Geneva and the ways health professionals use to communicate with their allophone patients, in particular by using interpreters. Patients of foreign origin accounted for 58% of all the consultations ...
Gu H - - 1999
Controlled medical vocabularies are useful in application areas such as medical information systems and decision-support systems. However, such vocabularies are large and complex, and working with them can be daunting. It is important to provide a means for orienting vocabulary designers and users to the vocabulary's contents. We describe a ...
Lakner G - - 1999
Most of the research activities in the field of medical informatics are directed toward technological-technical problems. Human factors of computer use are often a neglected topic. Even the application of the tiniest microcomputer embedded in a medical diagnostic equipment may pose user acceptance and motivation problems but to mention larger ...
Romacker M - - 1999
We introduce two abstraction mechanisms by which the process of semantic interpretation of medical narratives can be simplified and further optimized. One relates to generalized triggering conditions, the other to inheritance-based specifications of semantic rules. The proposed methodology leads to a parsimonious inventory of abstract, simple and domain-independent semantic interpretation ...
Gu H - - 1999
The Unified Medical Language System combines many well established authoritative medical informatics terminologies in one system. Such a resource is very valuable to the healthcare industry. However, the UMLS is very large and complex and poses serious comprehension problems for users and maintenance personnel. Furthermore, the sets of concepts of ...
Geissbuhler A - - 1999
The maintenance of knowledge-rich clinical decision-support systems is challenging, in particular in the complex setting of a large academic medical center. Distributing the maintenance tasks to the source of expertise can address scalability, accuracy and currency issues. It also helps to foster a more global sense of ownership among the ...
Bréant C - - 1999
The aim of this project is to expand DIOGENE with a centralized and integrated patient clinical database system providing a standardized framework for the building of future clinical databases and for the integration of existing heterogeneous ones. The combined 'across time view' and 'across departments view' generated from the integrated ...
Masic I - - 1999
Medical informatics has been the first science that connects all traditional medical disciplines, thanking to common information needs and requirements of these disciplines. Its goal is incorporating of information technology into medical praxis, getting medical professionals in touch with capabilities of computer technology and preparing the professionals for the future ...
Hahn U - - 1999
The automatic analysis of medical narratives currently suffers from neglecting text structure phenomena such as referential relations between discourse units. This has unwarranted effects on the descriptional adequacy of medical knowledge bases automatically generated from texts. The resulting representation bias can be characterized in terms of incomplete, artificially fragmented and ...
Seol Y H - - 1999
Recently, the Extensible Markup Language (XML) has received growing attention as a simple but flexible mechanism to represent medical data. As XML-based markups become more common there will be an increasing need to transform data stored in one XML markup into another markup. The Extensible Stylesheet Language (XSL) is a ...
Le Duff F - - 1999
The Unified Medical Language System (UMLS) project aims to provide a repository of terms, concepts and relationships from several medical classifications. This work describes the possibility to enrich automatically with meaningful links the UMLS database by using description of diseases from another knowledge base, in our case ADM (Aide au ...
Kling-Petersen T - - 1999
Academic and medical imaging are increasingly using computer based 3D reconstruction and/or visualization. Three-dimensional interactive models play a major role in areas such as preclinical medical education, clinical visualization and medical research. While 3D is comparably easy to do on a high end workstations, distribution and use of interactive 3D ...
Kovach D - - 1999
As medical informatics increasingly places demands on computer resources, healthcare organizations need to plan for and develop fully integrated, enterprisewide communications networks. Healthcare systems should invest in upgradable equipment that is compatible with industry standards and select specialized contractors familiar with the infrastructure required for healthcare networks. The potential for ...
Grabar N - - 1999
Medical words exhibit a rich and productive morphology. Beyond simple inflection, derivation and composition are a common way to form new words. Morphological knowledge is therefore very important for any medical language processing application. Whereas rich morphological resources are available for the English medical language with the UMLS Specialist Lexicon, ...
Baud R H - - 1999
The venue of Electronic Patient Record (EPR) implies an increasing amount of medical texts readily available for processing, as soon as convenient tools are made available. The chief application is text analysis, from which one can drive other disciplines like indexing for retrieval, knowledge representation, translation and inferencing for medical ...
Muzur A - - 1998
Can miraculous healings be equalized with "spontaneous remissions" from modern medical terminology? Following the trace of (mostly) medieval miracle accounts, the present paper, though arguing against the use of the term "spontaneous", supports the idea of equalization, finding clear examples of failed or incomplete healings, relapses, and the cases of ...
Johnson S B - - 1998
There are a wide variety of computer applications that deal with various aspects of medical language: concept representation, controlled vocabulary, natural language processing, and information retrieval. While technical and theoretical methods appear to differ, all approaches investigate different aspects of the same phenomenon: medical sublanguage. This paper surveys the properties ...
Cimino J J - - 1998
Builders of medical informatics applications need controlled medical vocabularies to support their applications and it is to their advantage to use available standards. In order to do so, however, these standards need to address the requirements of their intended users. Over the past decade, medical informatics researchers have begun to ...
Rassinoux A M - - 1998
Over the past two decades, the construction of models for medical concept representation and for understanding of the deep meaning of medical narrative texts have been challenging areas of medical informatics research. This review highlights how these two inter-related domains have evolved, emphasizing aspects of medical modeling as a tool ...
Bernauer J - - 1998
A crucial component of a medical concept representation system is the classifier. It requires features that are not sufficiently supported by current logic based formalisms like description logics and conceptual graphs. Those features are, for instance, the representation of partitive and spatial relations and their impact on subsumption. This paper ...
Ingenerf J - - 1998
Nowadays, most activities on controlled medical vocabularies focus on the provision of a sufficient atomic-level granularity for representing clinical data. Amongst others, clinical vocabularies should be concept oriented, compositional and should also reject "Not Elsewhere Classified". We strongly share the opinion that there is a need to deal with serious ...
Ceusters W - - 1998
Natural language understanding systems have to exploit various kinds of knowledge in order to represent the meaning behind texts. Getting this knowledge in place is often such a huge enterprise that it is tempting to look for systems that can discover such knowledge automatically. We describe how the distinction between ...
Riva A - - 1998
The World-Wide Web (WWW) is increasingly being used as a platform to develop distributed applications, particularly in contexts, such as medical ones, where high usability and availability are required. In this paper we propose a methodology for the development of knowledge-based medical applications on the web, based on the use ...
Baud R - - 1998
This paper reflects some desiderata on the role of Natural Language Processing (NLP) in the coming years as foreseen in the medical domain. During the Medical Informatics Europe (MIE) conference in 1997, the NLP track was composed by numerous papers on natural language, knowledge representation, nomenclatures and classifications. Indeed, the ...
Bradley J H - - 1998
A longstanding impediment to successful medical computing is resistance on the part of physicians. Interaction with many medical computing systems is difficult, requiring the physician to spend valuable time and energy trying to figure out how to get the machine to do what needs to be done. In developing encounter ...
Rindfleisch T C - - 1998
Even though medical informatics is most often viewed from the perspective of its host disciplines in clinical and biologic medicine, it has an identity and agenda of its own. This paper is an attempt to promote discussion about the long-term role and agenda for medical informatics as a discipline into ...
Zupan B - - 1998
Domain or background knowledge is often needed in order to solve difficult problems of learning medical diagnostic rules. Earlier experiments have demonstrated the utility of background knowledge when learning rules for early diagnosis of rheumatic diseases. A particular form of background knowledge comprising typical co-occurrences of several groups of attributes ...
Fox J - - 1998
Medical knowledge is traditionally disseminated via the publication of documents and through participation in clinical practice. Information technology offers to extend both modes of dissemination, via electronic publishing and virtual reality training, for example. AI promises even more radical changes through the possibility of publishing clinical expertise in the form ...
Rajeev B - - 1998
Computers are already in widespread use in medical practice throughout the world and their utility and popularity is increasing day by day. While future generations of medical professionals will be computer literate with a corresponding increase in use of computers in medical practice, the current generation finds itself in a ...
Lovis C - - 1998
Medical language is highly compositional and makes extensive use of common roots, especially Latino-Greek roots. Besides words devoted to common sense, medical language presents some typical characteristics, especially on morphological and semantic aspects of word formation. Morphological decomposition and identification precedes semantic analysis. It is only when these two prerequisites ...
Khan Z H - - 1998
The introduction of human brain functions such as perception and cognition into the computer has been made possible by the use of Artificial Neural Network (ANN). ANN are computer models inspired by the structure and behavior of neurons. Like the brain, ANN can recognize patterns, manage data and most significantly, ...
Kindler H - - 1998
The World Health Organisation (WHO) Radiation Emergency Medical Preparedness (REMPAN) centres have built up the International Computer Database for Radiation Accident Case Histories (ICDREC) to document the medical treatment of acute radiation syndrome (ARS) patients. Images play an increasing role as complementary information beside text and numerical data in medicine. ...
Ishijima M - - 1998
A system for medical informatics education for medical students has been developed in the medical school. This paper describes the concept underlying the development of this system and its progressive outcomes over 8 years. In order to stimulate students to acquire computer-related knowledge and skills, this subject has been integrated ...
Pusic M V - - 1998
OBJECTIVE: To assess pediatric residents' readiness to use computer-aided instruction (CAI). DESIGN: Survey. SETTING: Pediatric residency program based in a tertiary care children's hospital. PARTICIPANTS: Four pediatric residency classes. ASSESSMENT INSTRUMENT: Self-administered questionnaire. MAIN OUTCOME MEASURES: Residents' access to computers and the Internet, experience with CD-ROM and World Wide Web ...
Kushniruk A W - - 1998
This paper proposes and defends the small worlds hypothesis, which states that expert physicians organize diagnostic knowledge on the basis of similarities between disease categories, forming 'small worlds' consisting of small subsets of diseases and their distinguishing features. Examining existing data from several previous studies, the authors provide support for ...
Sardinas J L JL - - 1998
The widespread use of computer-based patient records and the increased implementation of telecommunications has brought to the forefront the concern of patient confidentiality. Without adequate security measures, a patient's medical information may be intercepted, accessed, modified, or deleted by an unauthorized individual. Although no internal control is absolute, the use ...
Cherri A K - - 1998
A symbolic-substitution-based optical numeric processor that uses recoded and nonrecoded trinary signed-digit (TSD) number representations is proposed. Also, we propose new joint spatial encodings for the TSD numbers that reduce the symbolic-substitution computation rules involved in the processor. Optoelectronic implementation of the proposed recoded adder is feasible. Also, the nonrecoded ...
Kahn C E CE - - 1998
Appropriateness criteria and practice guidelines seek to promote the cost-effectiveness use of medical interventions, and can be most useful when integrated with computer-based patient records and order-entry systems. Building an abstract model (ontology) of appropriateness criteria can require considerable effort among investigators at geographically dispersed institutions. To facilitate the construction ...
Halang W A - - 1998
A novel design for a computer control system to be employed in safety critical applications, as found in medical environments, is presented. It features a low complexity, fault detecting hardware architecturally supporting a strictly cyclic operating mode, as known from programmable logic controllers, and a specification level, graphical programming technique ...
Essin D J - - 1998
Computerization of the medical record in various outpatient settings has been successful but for anesthesiologists, the preoperative visit differs significantly. This study implemented a computerized version of a structured preanesthetic evaluation questionnaire that we had previously developed and which provided a starting point for developing a suitable vocabulary and workflow. ...
Cimino J J - - 1998
Controlled medical terminologies (CMTs) are playing central roles in clinical information systems and medical knowledge resource applications. As these terminologies grow, they are able to support more complex tasks but require more intensive efforts to create and maintain them. Several terminologies are evolving into knowledge bases of medical concepts. The ...
< 6 7 8 9 10 11 12 13 14 15 16 >