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At least 901 records · Page 50Linked to original sources
PubMed1997

Use of the Internet for obstetricians and gynecologists.

The Internet is such a large unstructured body of information that it must be used to be understood. This article limits itself to the World Wide Web for information retrieval. Equipment and access methods are discussed but not in depth. Search engines and their use are discussed in greater detail and examples are given. Repetitive personal use is emphasized as the best possible method of learning. Liberal use of bookmarks is emphasized to build one's own map of this immense knowledge structure.

Computer Communication Networks↗
PubMed1998

External quality assessment (EQA) of Belgian clinical laboratories. The telematics paradigm.

Technology that enables communication between information systems has recently become cheaper and more powerful. It is therefore timely to consider the effects of the introduction of such techniques in external quality assessment (EQA) schemes on both users and organizers. Traditionally, results are returned to EQA organizers as hand-written numbers on structured forms. These data are then manually entered into a computer. The process is time-consuming, slow (as it depends on the postal service), prone to error at every transcription stage, and expensive, as clerical staff must be employed to input the data. Computer-to-computer communication allows this process to be improved. A telematics system for electronic data interchange has been developed for the Belgian EQA programme and it offers several advantages, such as the use of standardized semantics, expression of results in laboratory familiar units, possible interface with the Laboratory Information System, faster data analysis, shorter report time and long-term performance evaluation.

Belgium↗
PubMed2006

Analysis of control interval for foundation fieldbus-based control systems.

Fieldbus-based control systems (FCS) have been increasingly used in process automation. Some processes and dynamic specifications need higher control frequencies to avoid instability. The aim of this paper is to analyze the temporal characteristics of communication and computation tasks and the configuration of the function blocks in a FCS and to allow the control interval to be shortened. An FCS for a water tank process is used as a case study. The experimental results show that the execution time of function blocks and the margin time are dominant over communication delays, and optimizing configuration by reducing the number of external links can contribute to increasing the control frequency.

Algorithms↗
PubMed1996

Technical means for securing health information.

Securing health information is an application domain which can learn more from other environments like airlines and banking than from military formalism or academic freedom. The techniques of the 80s using clear separation between public and private areas have to be upgraded. Propositions are made. Costs are evaluated.

Computer Communication Networks↗
PubMed1995

Numerical analysis of electrical defibrillation. The parallel approach.

Numerical modeling offers a viable tool for studying electrical defibrillation, allowing the behavior of field quantities to be observed easily as the different system parameters are varied. One numerical technique, namely the finite-element method, has been found particularly effective for modeling complex thoracic anatomies. However, an accurate finite-element model of the thorax often requires a large number of elements and nodes, leading to a large set of equations that cannot be solved effectively with the computational power of conventional computers. This is especially true if many finite-element solutions need to be achieved within a reasonable time period (eg, electrode configuration optimization). In this study, the use of massively parallel computers to provide the memory and reduction in solution time for solving these large finite-element problems is discussed. Both the uniform and unstructured grid approaches are considered. Algorithms that allow efficient mapping of uniform and unstructured grids to data-parallel and message-passing parallel computers are discussed. An automatic iterative procedure for electrode configuration optimization is presented. The procedure is based on the minimization of an objective function using the parallel direct search technique. Computational performance results are presented together with simulation results.

Algorithms↗
PubMed1998

Otolaryngology and the Internet. E-mail and the World Wide Web.

Computer technology and Internet-based communications are evolving at a tremendous rate. At present, most physicians either have or can easily obtain online access. E-mail represents a new method of interpersonal communication, with many useful applications in the field of clinical medicine. The World Wide Web has developed over the past few years into a vast information resource, with global reach and the ability to provide users with text and audio and video materials on every conceivable topic. These modalities are discussed in detail, stressing controversial aspects such as e-mail security, validation of content, professional liability as it relates to online comments, and the academic status of Web publishing.

Computer Communication Networks↗
PubMed1996

CENSOR--a program for identification and elimination of repetitive elements from DNA sequences.

CENSOR is a program designed to identify and eliminate fragments of DNA sequences homologous to any chosen reference sequences, in particular to repetitive elements. CENSOR is based on two principal algorithms of Smith & Waterman (1981) [J. Mol. Biol. 147, 195] and Wilbur & Lipman (1983) [Proc. Natl. Acad. Sci. U.S.A. 80, 726]. It includes several pre-set sensitivity levels based on both biological and statistical criteria which help to distinguish between aligned pairs of homologous and non-homologous sequences. CENSOR has been implemented in C/C + + in the SUN/UNIX environment.

Algorithms↗
PubMed1996

Health professional workstations and their integration in a hospital information system: the pragmatic approach MEDIAS.

Within the daily workload at a ward there is a considerable amount of information processing. It is the task of a systematic management of hospital information systems to provide health professionals with the right information in the right place at the right time. This paper deals with the consequences for the management of hospital information systems if health professional workstations are introduced as a means for this information logistic and with the experiences gained in the Heidelberg University Hospital. Health professional workstations are formally defined in the context of a three level graph-based model of hospital information systems. It is found that health professional workstations have communication needs not only on the physical level of computer systems in the hospital information system but also on the logical tool level, which is the level of application systems. On this level communication servers or brokers are of considerable importance. In Heidelberg there are about 200 health professional workstations (MEDIAS) in routine use.

Computer Communication Networks↗