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At least 163 records · Page 9Linked to original sources
PubMed1989

Querying medical databases in an environment offering logical data independence.

Medical information systems are becoming popular. Furthermore, their use is expected to be expanded in future. In order to easily extract information from the underlying databases, easy to use man-machine interfaces are required. This paper concerns the doctor interface of the ARPIA medical information system based on a relational database management system. The whole system is currently used inside the Outpatient Pediatric Clinic of the Catholic University of Rome, Italy. The interface provides logical data independence towards the underlying relational database. The paper contains some background about this kind of interfaces, and also, it sketches the software architecture of the implemented prototype.

Database Management Systems↗
PubMed1995

Introduction to the Bioelectronic Devices Project in Japan.

The Bioelectronic Devices Project was organized in Japan as a 10-year national project and it has been working toward developing fundamental key technologies for designing and assembling innovative information-processing devices by realizing the excellent functions specifically found in molecular assemblies and information processing of living organisms. The project is now in the third year of the second phase (the 8th year of its 10-year duration) and researchers have been trying to elucidate the specific characters of the prototype devices. The outline of this challenging project is given with the latest experimental results.

Electron Transport↗
PubMed1995

A case study in ontology library construction.

The goal of our work is to facilitate the development of medical knowledge-based systems by providing a library of reusable ontologies. The availability of such a library reduces the amount of knowledge acquisition required to create knowledge bases of new applications, and makes it easier to connect a knowledge-based system to existing data bases. This article presents a case study in constructing such a library. The emphasis is on studying the principles that underly the internal structure of the library as well as on the process of constructing and using the library. We envision that, in the future, application ontologies can be constructed by the selection and refinement of generic ontologies and domain ontologies from such a library.

Artificial Intelligence↗
PubMed1995

Informatics and medical libraries: changing needs and changing roles.

Medical librarians play a crucial role in the evolution of institutional information policy. As information professionals, they share many similarities with their medical informatics counterparts. Both groups emphasize information delivery to the point of decision making; both groups serve as curators of institutional knowledge bases. If the term "publication" encompasses the delivery of clinical information relevant to individuals or populations, both librarians and medical informaticians have an immediate interest in the nature of biomedical publishing, particularly in areas of intellectual ownership, confidentiality, distribution, and access. Both groups also have been early leaders in applying information technology to solve pressing knowledge-management problems, and both groups have a strong commitment to educating colleagues in the effective use of information. Although the challenges faced by librarians and medical informaticians are sometimes different, the evolution of information technology and new forms of biomedical communication suggest that there is now a greater convergence between the two disciplines.

Artificial Intelligence↗
PubMed1989

Computer education of undergraduate medical students: a 2-year experience.

Computer literacy will become a necessity for doctors in the near future, as computer applications for clinical medicine are gradually developed and successfully implemented in the medical environment. Two years ago we began an optional course on computer systems for first-year medical students, as part of the biostatistics course at the University of Lisbon. The results of this experience show that computer education should be well adapted to the needs of students, and educators must continuously evaluate the students' reaction and anticipate the need for sudden changes in the course structure, which are often necessary to capture students' attention.

Education, Medical, Undergraduate↗
PubMed1988

An application of the Markov process for quantitative prediction of labor progress.

To quantitatively predict the progress of labor, we devised a mathematical model suitable for the Markov process. Included were 625 primiparas who went into spontaneous labor between 37 and 41 weeks of gestation with a cephalic presentation. When applying the Markov process, the sequence of labor was divided into eight categories from 4 cm cervical dilatation to delivery of the baby. Based on all data collected, a transition matrix was calculated, using a microcomputer system, in which the value in each element showed the percent of probability of progression in labor from one given state to another over a 30-minute period. This matrix was found to be available for evaluating the course of labor in clinical practise with a good predictive value and therefore the Markov process could be confirmed to be actually applicable as an analytical model.

Female↗
PubMedDate not supplied

PACS in practice: the status of the PACS project at the St. Radboud University Hospital. Part B. A digital image archive: information analysis and development.

In accordance with the bottom-up approach in the field of the Picture Archiving and Communication System (PACS), a pilot study was performed with regard to the archiving of digital diagnostic images. A prototype has been developed to determine what information has to be stored in the digital archive and what requirements the users have in accessing these data. Firstly an organization analysis of the department of diagnostic radiology with respect to the archiving of images was performed. A variant of the ISAC method was used for this purpose. This resulted in a set of activity diagrams. Thereafter an information analysis was performed according to the Nijssen Informal Analysis Method (NIAM). This resulted in a Conceptual Schema (CS). Two other prototypes of relational Image Database Management Systems (IDBMS) are described and a description of a general modular structure of an IDBMS is given. By means of a Prototype of a Digital Archive (PDA) the department of diagnostic radiology was shown what might be expected from a digital archive and how the information will be presented to the users.

Database Management Systems↗
PubMedDate not supplied

Approaches to the construction of a medical informatics glossary and thesaurus.

In a project concerned with establishing a glossary and thesaurus for the medical informatics domain, various approaches to the task have been investigated. The developers take the view that a glossary should be a coherent system of terms, reflecting a coherent system of concepts that underlies a body of knowledge about a domain. A framework for the conceptual analysis of the concepts/terms underlying the domain has been developed. The emphasis of this framework is on how the concepts relate together. This work has given an important insight into how the practical task of establishing well-structured vocabularies for a field can be better achieved. An eclectic approach to term selection was adopted. Criteria for assessing what constitutes good definitions for concepts in a field were examined. Using all these approaches glossaries, thesauri and domain models of the medical informatics field are being developed. Another aspect of our work of particular interest is the development of attributed definitions from which inheritance patterns can be defined.

Data Collection↗