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Portal
PORTAL may refer to: * Portal (architecture) , a monumental gate or door, or the extremities (ends) of a tunnel * Portals in fiction , magical or technological doorways that connect two locations, dimensions, or points in time * _ Portal _, a video game series developed by Valve Corporation CONTENTS* 1 Computing * 1.1 Gateways to information * 1.2 Other computing * 2 Art, entertainment, and media * 2.1 Games * 2.2 Music * 2.2.1 Groups * 2.2.2 Albums * 2.3 Other art, entertainment, and media * 3 Places * 4 Other uses * 5 People with the surname * 6 Construction methods and structures * 7 Drainage systems * 8 See also COMPUTINGGATEWAYS TO INFORMATION * Captive portal , controlling conne
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Portal
PORTAL may refer to: * Portal (architecture) , a monumental gate or door, or the extremities (ends) of a tunnel * Portals in fiction , magical or technological doorways that connect two locations, dimensions, or points in time * _ Portal _, a video game series developed by Valve Corporation CONTENTS* 1 Computing * 1.1 Gateways to information * 1.2 Other computing * 2 Art, entertainment, and media * 2.1 Games * 2.2 Music * 2.2.1 Groups * 2.2.2 Albums * 2.3 Other art, entertainment, and media * 3 Places * 4 Other uses * 5 People with the surname * 6 Construction methods and structures * 7 Drainage systems * 8 See also COMPUTINGGATEWAYS TO INFORMATION * Captive portal , controlling conne
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Portal (architecture)
A PORTAL is an opening in a wall of a building, gate or fortification, especially a grand entrance to an important structure. Doors, metal gates , or portcullis in the opening can be used to control entry or exit. The surface surrounding the opening may be made of simple building materials or decorated with ornamentation . The elements of a portal can include the voussoir , tympanum , an ornamented mullion or trumeau between doors, and columns with carvings of saints in the westwork of a church . EXAMPLES* Baroque portal of a private Palace in Brescia
Brescia
* Portal
Portal
of the Church of São Martinho de Cedofeita , with nested arches * Gothic portal of the cathedral of Metz
Metz
* Portal
Portal
of the church in Hronský Beňadik
Hronský Beňadik
OTHER USESThe term PORTAL is also applied to the ends of a tunnel . REFERENCES * ^ Ching, Francis (1997). A Visual Dictionary of Architecture. New York: Van Nostrand Reinhold. ISBN 0-442-02462-2 . * Portal
Portal
portal Wikimedia Commons has media related to PORTALS . This architectural element –related article is a stub . You can help by expanding it . * v * t * e Retrieved from "https://en.wikipedia.org/w/index.php?title=Portal_(architecture) additional terms may apply
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Portals In Fiction
The word "portal" in science fiction and fantasy generally refers to a technological or magical doorway that connects two distant locations separated by spacetime . It usually consists of two or more gateways, with an object entering one gateway leaving via the other instantaneously. Places linked by a portal include a different spot in the same universe (in which case it might be an alternative for teleportation ); a parallel world (inter-dimensional portal); the past or the future (time portal ); and other planes of existence, such as heaven , hell or other afterworlds . A parallel world, such as C. S. Lewis 's Wood between the Worlds in his Chronicles of Narnia, may exist solely to contain multiple portals, perhaps to every parallel world in existence. Portals are similar to the cosmological concept of a wormhole , and some portals work using wormholes. CONTENTS* 1 Use * 1.1 Film and television * 1.2 Literature * 1.3 Games * 2 See also * 3 References USE A "jumpgate " of the X Universe , part of a space-travel network. A "Rift Gate" of the Video Game Primal used for transport between different realms of Oblivion Portals are often used in science fiction to move protagonists into new territory
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Portal (series)
PORTAL is a series of first-person puzzle-platform video games developed by Valve Corporation . Set in the Half-Life universe, the two main games in the series, Portal
Portal
(2007) and Portal 2 (2011), center on a woman, Chell , forced to undergo a series of tests within the Aperture Science Enrichment Center by a malicious artificial intelligence computer, GLaDOS , that controls the facility. Each test involves using the "Aperture Science Handheld Portal
Portal
Device" - the "portal gun" - that creates a human-sized wormhole-like connection between nearly any two flat surfaces. The player-character or objects in the game world may move through portals, their momentum conserved. This allows complex "flinging" maneuvers to be used to cross wide gaps or perform other feats to reach the exit for each test chamber. A number of other mechanics, such as lasers, light bridges, tractor funnels, and turrets, exist to aid or hinder the player's goal to reach the exit. The Portal
Portal
games are noted for bringing students and their projects from the DigiPen Institute of Technology into Valve and extending their ideas into the full games
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Valve Corporation
VALVE CORPORATION is an American video game developer and digital distribution company headquartered in Bellevue , Washington . The company is known for the _ Half-Life
Half-Life
_, _ Counter-Strike _, _ Portal
Portal
_, _ Day of Defeat _, _ Team Fortress _, _ Left 4 Dead
Left 4 Dead
_, and _ Dota 2 _ games, and its software distribution platform Steam . Valve was founded in 1996 as a limited liability company by former Microsoft
Microsoft
employees Gabe Newell and Mike Harrington
Mike Harrington
. Their debut product, the PC first-person shooter _ Half-Life
Half-Life
_, was released in 1998 to critical acclaim and commercial success, after which Harrington left the company. In 2004, Valve launched Steam alongside the critically acclaimed _ Half-Life 2 _. By 2011, over half of digital PC game sales were through Steam, and Valve was the most profitable company per employee in the United States. In 2015, Valve entered the game hardware market with the Steam Machine , a line of prebuilt gaming computers running SteamOS , a Valve-developed fork of the Debian operating system
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Captive Portal
A CAPTIVE PORTAL is a web page which is displayed to newly connected users before they are granted broader access to network resources. Captive portals are commonly used to present a landing or log-in page which may require authentication, payment , acceptance of EULA/accepted use policies , or other valid credentials that both the host and user agree to adhere by. Captive portals are used for a broad range of mobile and pedestrian broadband services - including cable and commercially provided Wi-Fi and home hotspots. A captive portal can also be used to provide access to enterprise or residential wired networks, such as: apartment houses, hotel rooms, and business centers The captive portal is presented to the client and is stored either at the gateway or on a web server hosting that page. Depending on the feature set of the gateway, websites or TCP ports can be white-listed so that the user would not have to interact with the captive portal in order to use them. The MAC address of attached clients can also be used to bypass the login process for specified devices
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Internet
The INTERNET is the global system of interconnected computer networks that use the Internet protocol suite (TCP/IP) to link devices worldwide. It is a _network of networks_ that consists of private, public, academic, business, and government networks of local to global scope, linked by a broad array of electronic, wireless, and optical networking technologies. The Internet carries an extensive range of information resources and services, such as the inter-linked hypertext documents and applications of the World Wide Web (WWW), electronic mail , telephony , and file sharing . The origins of the Internet date back to research commissioned by the United States federal government in the 1960s to build robust, fault-tolerant communication via computer networks. The linking of commercial networks and enterprises in the early 1990s marks the beginning of the transition to the modern Internet, and generated rapid growth as institutional, personal , and mobile computers were connected to the network. By the late 2000s , its services and technologies had been incorporated into virtually every aspect of modern life. Most traditional communications media, including telephony, radio, television, paper mail and newspapers are being reshaped or redefined by the Internet, giving birth to new services such as email , Internet telephony , Internet television , online music , digital newspapers, and video streaming websites
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Enterprise Portal
An ENTERPRISE PORTAL, also known as an ENTERPRISE INFORMATION PORTAL (EIP), is a framework for integrating information, people and processes across organizational boundaries in manner similar to the more general web portals . Enterprise portals provide a secure unified access point, often in the form of a web-based user interface , and are designed to aggregate and personalize information through application-specific portlets . One hallmark of enterprise portals is the de-centralized content contribution and content management , which keeps the information always updated. Another distinguishing characteristic is that they cater for customers, vendors and others beyond an organization's boundaries. This contrasts with a corporate portal which is structured for roles within an organization. CONTENTS * 1 History * 2 Employee portal * 3 Lean portal * 4 Fundamental features * 5 Marketplace * 6 Common applications * 7 See also * 8 References * 9 External links HISTORYThe mid-1990s saw the advent of public web portals like AltaVista , AOL
AOL
, Excite , and Yahoo
Yahoo
!. These sites provided a key set of features (e.g., news, e-mail, weather, stock quotes, and search) that were often presented in self-contained boxes or portlets
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Intranet Portal
An INTRANET PORTAL is the gateway that unifies access to enterprise information and applications on an intranet . It is a tool that helps a company manage its data, applications, and information more easily, and through personalized views. Some portal solutions today are able to integrate legacy applications , objects from other portals, & handle thousands of user requests. In a corporate enterprise environment, it is also known as an enterprise portal . CONTENTS * 1 History * 2 Main features * 3 Advantages * 4 Disadvantages * 5 Activities * 6 Notable software tools * 7 See also * 8 References * 9 External links HISTORYCorporate intranets began gaining popularity during the 1990's. As intranets quickly grew more complex, the concept of intranet portal was born. Today, intranet portals provide value-added capabilities such as managing workflows, increasing collaboration between work groups, and allowing content creators to self-publish their information. One typical example of a web platform used to build and host an intranet is Microsoft Sharepoint , which is used by 46% of organizations. It provides a lot of features necessary for collaboration, integration and customization. MAIN FEATURESINTEGRATION — Ability to integrate with your current tools or the possibility of adding new tools. You have your outlook calendar and email integrated within intranet
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Web Portal
A WEB PORTAL is a specially designed website that brings information together from diverse sources in a uniform way like emails, forums, and search engines etc. Usually, each information source gets its dedicated area on the page for displaying information (a portlet ); often, the user can configure which ones to display. Variants of portals include mashups and intranet "dashboards" for executives and managers. The extent to which content is displayed in a "uniform way" may depend on the intended user and the intended purpose, as well as the diversity of the content. Very often design emphasis is on a certain "metaphor" for configuring and customizing the presentation of the content and the chosen implementation framework and/or code libraries. In addition, the role of the user in an organization may determine which content can be added to the portal or deleted from the portal configuration. A portal may use a search engine API
API
to permit users to search intranet as opposed to extranet content by restricting which domains may be searched. Apart from this common search engines feature, web portals may offer other services such as e-mail , news, stock quotes, information from databases and even entertainment content
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Portals Network Programming Api
PORTALS is a low-level network API for high-performance networking on high-performance computing systems developed by Sandia National Laboratories and the University of New Mexico . Portals is currently the lowest-level network programming interface on the commercially successful XT line of supercomputers from Cray
Cray
. CONTENTS * 1 Overview * 2 Early years * 3 Portals 3 * 4 Portals 4 * 5 External links * 6 References OVERVIEWPortals is based on the concept of elementary building blocks that can be combined to support a wide variety of upper-level network transport semantics. Portals provides one-sided data movement operations, but unlike other one-sided programming interfaces, the target of a remote operation is not a virtual address . Instead, the ultimate destination in memory of an incoming message is determined at the receiver by comparing contents of the message header with the contents of structures at the destination. This flexibility allows for efficient implementations of both one-sided and two-sided communications. In particular, Portals is aimed at providing the fundamental operations necessary to support a high-performance and scalable implementation of the Message Passing Interface (MPI) standard. It was also used as the initial network transport layer for the Lustre file system
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Portal Rendering
In computer-generated imagery and real-time 3D computer graphics, portal rendering is an algorithm for visibility determination. For example, consider a 3D computer game environment, which may contain many polygons, only a few of which may be visible on screen at a given time. By determining which polygons are currently not visible, and not rendering those objects, significant performance improvements can be achieved. A portal system is based on using the partitioning of space to form generalizations about the visibility of objects within those spaces. Regions of map space are divided into polygonal, generally convex, areas called zones, or sometimes sectors. Adjacent zones are linked to one another via shared dividing polygons termed portals. Approaches that precompute visibility for zones are referred to as potentially visible set or PVS methods. For example, in a computer game such as Descent, the game area might be divided into several zones. These zones would then be connected to each other by small openings such as doors or windows. These openings are referred to as portals. When the zone behind a portal needs to be drawn, the only parts that are visible are the parts that can be seen through the portal
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Portal (video Game)
PORTAL is a puzzle -platform video game developed and published by Valve Corporation . It was released in a bundle package called The Orange Box for Microsoft Windows , Xbox 360 and PlayStation 3 in 2007. The game has since been ported to other systems, including OS X
OS X
, Linux
Linux
, and Android . Portal
Portal
consists primarily of a series of puzzles that must be solved by teleporting the player's character and simple objects using "the Aperture Science Handheld Portal
Portal
Device", a device that can create inter-spatial portals between two flat planes. The player-character, Chell , is challenged and taunted by an artificial intelligence named GLaDOS (Genetic Lifeform and Disk Operating System ) to complete each puzzle in the Aperture Science Enrichment Center using the portal gun with the promise of receiving cake when all the puzzles are completed. The game's unique physics allows momentum to be retained through portals, requiring creative use of portals to maneuver through the test chambers
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Portal 2
PORTAL 2 is a 2011 first-person puzzle-platform video game developed and published by Valve Corporation
Valve Corporation
. It is the sequel to Portal
Portal
(2007) and was released on April 19, 2011, for Microsoft Windows , OS X
OS X
, Linux
Linux
, PlayStation 3 , and