Wide Area Information Servers - определение. Что такое Wide Area Information Servers
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Что (кто) такое Wide Area Information Servers - определение

Wide Area Information Servers; Wide Area Information Server
Найдено результатов: 6305
Wide area information server         
Wide Area Information Server (WAIS) is a client–server text searching system that uses the ANSI Standard Z39.50 Information Retrieval Service Definition and Protocol Specifications for Library Applications" (Z39.
Wide Area Information Servers         
<networking, information science> (WAIS) A distributed information retrieval system. WAIS is supported by {Apple Computer}, Thinking Machines and Dow Jones. Clients are able to retrieve documents using keywords. The search returns a list of documents, ranked according to the frequency of occurrence of the keyword(s) used in the search. The client can retrieve text or multimedia documents stored on the server. WAIS offers simple natural language input, indexed searching for fast retrieval, and a "relevance feedback" mechanism which allows the results of initial searches to influence future searches. It uses the {ANSI Z39.50} service. Public domain implementations are available. Other information retrieval systems include archie, Gopher, Prospero, and World-Wide Web. Usenet newsgroup: news:comp.infosystems.wais. Telnet (telnet://sunsite.unc.edu). (1995-03-13)
Low-power wide-area network         
TYPE OF WIRELESS TELECOMMUNICATION WIDE AREA NETWORK
LPWA; Lpwan; Low Power Wide Area Network; Low-Power Wide-Area Network; LPWAN; Low power wide area network; Low-power wide area network; Low power wide-area network; Low power WAN; Low-power WAN
A low-power wide-area network (LPWAN or LPWA network) is a type of wireless telecommunication wide area network designed to allow long-range communications at a low bit rate among things (connected objects), such as sensors operated on a battery.Beser, Nurettin Burcak.
System Wide Information Management         
System Wide Information Management (SWIM) is a global Air Traffic Management (ATM) industry initiative to harmonize the exchange of Aeronautical, Weather and Flight information for all Airspace Users and Stakeholders. SWIM is an integral part of the International Civil Aviation Organization (ICAO) Global Air Navigation Plan (GANP) .
wide-angle lens         
  • Cross-section of a typical retrofocus wide-angle lens.
  • How focal length affects photograph composition. Three images depict the same two objects, kept in the same positions. By changing focal length and adjusting the camera's distance from the pink bottle, it remains the same size in the image, while the blue bottle's size appears to dramatically change. Also note that at small focal lengths, more of the scene is included.
  • Field of view in APS-sized digital cameras is the same as that of a longer lens, increased by [[crop factor]], on a full-frame 35&nbsp;mm format camera.
  • Effective focal length is measured from the sensor to where the light cone going to the sensor is the same size as the lens front opening.
  • Cross-section of a typical short-focus wide-angle lens.
LENS WHOSE FOCAL LENGTH IS SUBSTANTIALLY SMALLER THAN THE FOCAL LENGTH OF A NORMAL LENS FOR A GIVEN FILM PLANE
Wide angle lens; Wide-angle camera; Wide-angle camera lens; Wide-angle photography; Short lens
(wide-angle lenses)
A wide-angle lens is a lens which allows you to photograph a wider view than a normal lens.
N-COUNT
Wide-angle lens         
  • Cross-section of a typical retrofocus wide-angle lens.
  • How focal length affects photograph composition. Three images depict the same two objects, kept in the same positions. By changing focal length and adjusting the camera's distance from the pink bottle, it remains the same size in the image, while the blue bottle's size appears to dramatically change. Also note that at small focal lengths, more of the scene is included.
  • Field of view in APS-sized digital cameras is the same as that of a longer lens, increased by [[crop factor]], on a full-frame 35&nbsp;mm format camera.
  • Effective focal length is measured from the sensor to where the light cone going to the sensor is the same size as the lens front opening.
  • Cross-section of a typical short-focus wide-angle lens.
LENS WHOSE FOCAL LENGTH IS SUBSTANTIALLY SMALLER THAN THE FOCAL LENGTH OF A NORMAL LENS FOR A GIVEN FILM PLANE
Wide angle lens; Wide-angle camera; Wide-angle camera lens; Wide-angle photography; Short lens
In photography and cinematography, a wide-angle lens refers to a lens whose focal length is substantially smaller than the focal length of a normal lens for a given film plane. This type of lens allows more of the scene to be included in the photograph, which is useful in architectural, interior and landscape photography where the photographer may not be able to move farther from the scene to photograph it.
Wide Area Network         
COMPUTER NETWORK THAT CONNECTS DEVICES ACROSS A LARGE DISTANCE AND AREA
Wide Area Network; Wide area networks; Wide-area networks; Hot-zone (WWAN); Wide-area network
<networking> (WAN) A network, usually constructed with serial lines, extending over distances greater than one kilometre. Compare local area network, metropolitan area network. (1994-11-24)
Wide area network         
COMPUTER NETWORK THAT CONNECTS DEVICES ACROSS A LARGE DISTANCE AND AREA
Wide Area Network; Wide area networks; Wide-area networks; Hot-zone (WWAN); Wide-area network
A wide area network (WAN) is a telecommunications network that extends over a large geographic area. Wide area networks are often established with leased telecommunication circuits.
wide area network         
COMPUTER NETWORK THAT CONNECTS DEVICES ACROSS A LARGE DISTANCE AND AREA
Wide Area Network; Wide area networks; Wide-area networks; Hot-zone (WWAN); Wide-area network
¦ noun a computer network in which the computers connected may be far apart, generally having a radius of more than 1 km.
DWANGO         
  • right
  • frameless
ONLINE GAMING SERVICE, NOT TO BE CONFUSED WITH THE SPIN-OFF DWANGO MEDIA COMPANY
DOOM Wide-Area Network Game Organization; Dial-up Wide-Area Network Game Organization; Dwango
Dialup Wide-Area Network Game Organization (Reference: IVS Corporation)

Википедия

Wide area information server

Wide Area Information Server (WAIS) is a client–server text searching system that uses the ANSI Standard Z39.50 Information Retrieval Service Definition and Protocol Specifications for Library Applications" (Z39.50:1988) to search index databases on remote computers. It was developed in 1990 as a project of Thinking Machines, Apple Computer, Dow Jones, and KPMG Peat Marwick.

WAIS did not adhere to either the standard nor its OSI framework (adopting instead TCP/IP) but created a unique protocol inspired by Z39.50:1988.