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Results for “Computer Communication Networks”

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At least 109 records · Page 6Linked to original sources
PubMed1999

Design of a clinical notification system.

We describe the requirements and design of an enterprise-wide notification system. From published descriptions of notification schemes, our own experience, and use cases provided by diverse users in our institution, we developed a set of functional requirements. The resulting design supports multiple communication channels, third party mappings (algorithms) from message to recipient and/or channel of delivery, and escalation algorithms. A requirement for multiple message formats is addressed by a document specification. We implemented this system in Java as a CORBA object. This paper describes the design and current implementation of our notification system.

Algorithms↗
PubMed2000

Going wireless.

Explore the source record for details and available documents.

Computer Communication Networks↗
PubMed2001

The construction of a public key infrastructure for healthcare information networks in Japan.

The digital signature is a key technology in the forthcoming Internet society for electronic healthcare as well as for electronic commerce. Efficient exchanges of authorized information with a digital signature in healthcare information networks require a construction of a public key infrastructure (PKI). In order to introduce a PKI to healthcare information networks in Japan, we proposed a development of a user authentication system based on a PKI for user management, user authentication and privilege management of healthcare information systems. In this paper, we describe the design of the user authentication system and its implementation. The user authentication system provides a certification authority service and a privilege management service while it is comprised of a user authentication client and user authentication serves. It is designed on a basis of an X.509 PKI and is implemented with using OpenSSL and OpenLDAP. It was incorporated into the financial information management system for the national university hospitals and has been successfully working for about one year. The hospitals plan to use it as a user authentication method for their whole healthcare information systems. One implementation of the system is free to the national university hospitals with permission of the Japanese Ministry of Education, Culture, Sports, Science and Technology. Another implementation is open to the other healthcare institutes by support of the Medical Information System Development Center (MEDIS-DC). We are moving forward to a nation-wide construction of a PKI for healthcare information networks based on it.

Computer Communication Networks↗
PubMed2002

Designing an Internet-based collaboratory for biomedical research.

Several recent grants from the National Institutes of Health to the Universities of Wyoming, Idaho, and Montana have created a unique opportunity for collaboration in biomedical research among the three schools, as well as the community colleges in the region. NIH Center of Biomedical Research Excellence (COBRE) programs at Wyoming have been established to study the biological effect of nitric oxide and to investigate stressors that can contribute to the progression of cardiovascular disease. Funding from these and related grants have significantly upgraded Wyoming bioimaging and microscopy facilities, as well as provided support for faculty and students in a variety of research disciplines. In order to enhance these research efforts, the Center for Rural Health Research and Education at the University of Wyoming is spearheading an effort to create an Internet-based system for sharing data and research resources among the involved sites. This paper describes how such a "collaboratory" could be designed, using techniques developed for distributed research and development in the computer industry. The system, as envisioned, will support remote data acquisition, management, and visualization, while providing security in the form of authorization and authentication of users and virtual private networking for data transmitted between nodes of the network.

Computer Communication Networks↗
PubMed1986

Transmitting deaf sign language over the telecommunications network.

An experimental investigation is reported into the use of moving cartoon images for two-way communication by the deaf. The images are derived by special signal-processing operations on the output of a conventional television camera, according to a new theory of perceptually important human features. Calculations show that, using facsimile-type coding and digital modems, the images are capable of transmission over the Public Switched Telephone Network; in enhanced form (with more resolution and optional voice accompaniment) they could be carried on the emerging Integrated Services Digital Network or transmitted over teletext.

Communication Devices for People with Disabilities↗
PubMedDate not supplied

Professional networking using computer-mediated communication.

Traditionally, professionals have networked with others in their field through attending conferences, professional organizations, direct mailing, and via the workplace. Recently, there have been new possibilities to network with other professionals using the internet. This article looks at the possibilities that the internet offers for professional networking, particularly e-mailing lists, newsgroups and membership databases, and compares them against more traditional methods of professional networking. The different types of computer-mediated communication are discussed and their relative merits and disadvantages are examined. The benefits and potential pitfalls of internet professional networking, as it relates to the nursing profession, are examined. Practical advice is offered on how the internet can be used as a means to foster professional networks of academic, clinical or research interests.

Communication↗
PubMed1996

New paradigms for new problems: expanding information technology in healthcare.

As healthcare moves from individual fee-for-services and single hospital systems to capitated contracts and integrated delivery systems (IDS), and then into Community Health Information Networks (CHINs), implementing a data warehouse is a realistic way to collect and transform data into meaningful information. However, healthcare differs from other industries because of its complexity. The software is more specialized, and many vendors have adopted proprietary operating systems that hold critical data hostage. Even when available, data is not integrated and is more convoluted than in other industries. To have a complete patient profile, there can be 750 critical data elements in a healthcare transaction, as compared to an estimated 150 data elements in a financial transaction. Historical, behavioral, and diagnostic information is needed at multiple points along the continuum of care: physician's office, rehabilitation, pharmacy, emergency room, laboratory, and hospital. Additionally, these points along the continuum must communicate with the community they serve and the purchasers of healthcare. This article looks at data warehousing and the different technologies available for consolidating and integrating information in the healthcare environment.

Community Networks↗
PubMed1989

Computers: the best friends a human genome ever had.

Mapping and sequencing the human genome will generate large amounts of data, which must be sorted, analyzed, and stored for rapid retrieval to complete this enormous task. Computers and their software programs provide the most important tool to the molecular biologist today. A discussion of current capabilities and future needs in computer hardware and software for the human genome project is the topic of this paper. The use of computer programs to generate restriction maps, manage clone libraries, manage sequence projects, and generate consensus sequences is presented. The use of computers to communicate useful information rapidly to scientific colleagues is also mentioned. The role of both GenBank and BIONET is central to the dissemination and analysis of sequence information. The capabilities of electronic communication worldwide for assisting this project is available on the BIONET National Computer Resource, using existing networks.

Base Sequence↗