Definitions beginning with U

User agent - permalink - collapse

All > Technology > Search > Enterprise Search

An application that browses the Web and leaves information about itself at the sites that it visits. In enterprise search, the Web crawler is a user agent.
IBM - Cite This Source - This Definition
Browse Related Terms: access control list, administrative role, enterprise search administrator, Search Engine, User interface (UI)

All > Technology > Search > SEO / Search Marketing

The name of the browser/spider that is currently visiting a page. For example, "Googlebot/2.1 (+http://www.google.com/bot.html)"
SEO Glossary.com - Cite This Source - This Definition
Browse Related Terms: Agent Name Delivery, Client, GoogleBot, IP Delivery

user certificate - permalink - collapse

All > Technology > Parallel Computing > Grid Computing

A EEC belonging to a user. When using GSI, this certificate is typically stored in $HOME/.globus/usercert.pem. For more information on possible user certificate locations, see this.

Globus Toolkit - Cite This Source - This Definition
Browse Related Terms: CA Certificate, CA (Certificate Authority), CA Signing Policy, Certificate Authority ( CA ), Certificate Revocation List (CRL), certificate subject, End Entity Certificate (EEC), Grid Security Infrastructure (GSI), host certificate, proxy certificate, RA (Registrant Authority), service certificate, trusted CAs directory

user channel - permalink - collapse

All > Technology > Telecommunications

A communications channel allocated to the user for input of information such as data communication for use in maintenance activities and removing of alarms external to the span equipment in a proprietary fashion. [After T1.105-1988]
ATIS - Cite This Source - This Definition
Browse Related Terms: alarm indication signal (AIS), exchange transmission plant, information origination/termination equipment, Line, local channel, unequipped indication

user control - permalink - collapse

All > Technology > Collaboration > SharePoint

An ASP.NET user control. This is a programmer-provided visual element that appears on a Web page running in the ASP.NET environment.
Microsoft - Cite This Source - This Definition
Browse Related Terms: content page, home page, master page, multihosting, Quick Launch bar, server control, Web Part, Web Part Connection, Web Part Page

A connectionless network protocol that provides simple but unreliable transmission. An alternative to TCP that does not contain error checking.
NetApp - Cite This Source - This Definition
Browse Related Terms: Address Resolution Protocol (ARP), ARP, DHCP, Dynamic Host Configuration Protocol (DHCP), RARP, Reverse Address Resolution Protocol (RARP), UDP

All > Technology > Telecommunications

In the Internet Protocol suite, a standard, low-overhead, connectionless, host-to-host protocol that is used over packet-switched computer communications networks, and that allows an application program on one computer to send a datagram to an application program on another computer. Note: The main difference between UDP and TCP is that UDP provides connectionless service, whereas TCP does not.
ATIS - Cite This Source - This Definition
Browse Related Terms: Address Resolution Protocol (ARP), KA9Q, Ping, Simple Network Management Protocol (SNMP), SNMP, TCP/IP, TCP/IP Suite

User day - permalink - collapse

All > Science > Water

The participation in a recreation activity at a given resource during a 24-hour period by one person.
Bureau of Reclamation - Cite This Source - This Definition
Browse Related Terms: Commercial user day, Per capita use, User fee, Visitor day, Water year (WY)

use reference - permalink - collapse

All > Technology > Records Management

A notation in a list or thesaurus that prescribes the preferred heading and notes other headings that are not to be used
ARMA - Cite This Source - This Definition
Browse Related Terms: Cross Reference, direct entry, indirect entry, inverted entry, letter-by-letter arrangement, subject entry

User fee - permalink - collapse

All > Science > Water

A fee which is collected only from those persons who use a particular service, as opposed to one collected from the public in general. User fees generally vary in proportion to the degree of use of the service.
Bureau of Reclamation - Cite This Source - This Definition
Browse Related Terms: Commercial user day, Per capita use, User day, Visitor day, Water year (WY)

user fees - permalink - collapse

All > Law > US Legislature

Fees charged to users of goods or services provided by the Federal Government. In levying or authorizing these fees, Congress determines whether the revenue should go into the Treasury or should be available to the agency providing the goods or services.
United States Senate - Cite This Source - This Definition
Browse Related Terms: Appropriation, Authorization, authorizations act, Budget Authority, continuing resolution/continuing appropriations, permanent appropriation, Rescission, Supplemental Appropriation

User Friendly - permalink - collapse

All > Technology > Defense

Primarily a term used in automatic data processing (ADP); it connotes a machine (hardware) or program (software) that is compatible with a person's ability to operate it successfully and easily.
DoD Missile Defense Agency - Cite This Source - This Definition
Browse Related Terms: Fault Tolerance, tolerance

User Generated Content - permalink - collapse

All > Technology > Search > SEO / Search Marketing

User-generated-content (USG) is content created and published by the end-users online. USG is comprised of videos, podcasts and posts on discussion groups, blogs, wiki's and social media sites. USG allows for a wider content provider base and the chance for all users to share their opinions online. Criticism of USG includes credibility and quality issues.
SEO Glossary.com - Cite This Source - This Definition
Browse Related Terms: Bookmarks, Del.icio.us, Digg, Netscape, Social Media, Web2.0

user ID - permalink - collapse

All > Technology > E-mail > Lotus Domino

A file assigned to every user and server that uniquely identifies them to IBM® Lotus® Notes® and IBM® Lotus® Domino™.
IBM - Cite This Source - This Definition
Browse Related Terms: Certificate, Certificate Authority certificate, Certification, client certificate, public key certificate, server certificate

All > Technology > Telecommunications

A character string or pattern that is used by a data processing system to identify a user. [2382-pt.8] 2. [A] unique symbol or character string used by an information system (IS) to identify a specific user. [INFOSEC-99] Synonym user identification.
ATIS - Cite This Source - This Definition
Browse Related Terms: browsing, communications cover, Identification, operations code, proxy, read, Traffic Analysis, write, zerofill

user identification - permalink - collapse

All > Technology > Telecommunications

1. A character string which uniquely identifies a user to a system [CESG]. See also: Password. 2. See user ID.
ATIS - Cite This Source - This Definition
Browse Related Terms: Certifier, echo suppression, information technology systems (IT Systems), life cycle, Purge, role, system definition

user identity module (UIM) - permalink - collapse

All > Technology > Telecommunications

A standard device or functionality providing secure procedures in support of registration, authentication, and privacy for wireless access to PCS, and which may also be used to facilitate other services (e.g., UPT, banking). [After T1.Rpt44-1995]
ATIS - Cite This Source - This Definition
Browse Related Terms: authentication element, authentication system, authenticator, Biometrics, call back, challenge and reply authentication, handshaking procedures, identity authentication, identity validation, Password, personal authenticating information (PAI), personal identification device (PID), positive control material, self-authentication, simple authentication, trusted identification forwarding

user ID (UID) - permalink - collapse

All > Technology > Storage

Any numerical identifier for users in a computer system.
NetApp - Cite This Source - This Definition
Browse Related Terms: ADS (Active Directory Service), BSD UNIX, GID, group ID (GID), security ID (SID), SID, UID, UNIX permissions

user information - permalink - collapse

All > Technology > Telecommunications

Information transferred across the functional interface between a source user and a telecommunications system for delivery to a destination user. Note: In telecommunications systems, user information includes user overhead information.
ATIS - Cite This Source - This Definition
Browse Related Terms: error-correcting system, overhead information, path overhead (POH), Payload, payload overhead, user information bit

user information bit - permalink - collapse

All > Technology > Telecommunications

A bit transferred from a source user to a telecommunications system for delivery to a destination user. Note 1: User information bits do not include the overhead bits originated by, or having their primary functional effect within, the telecommunications system. Note 2: User information bits are encoded to form channel bits.
ATIS - Cite This Source - This Definition
Browse Related Terms: error-correcting system, overhead information, path overhead (POH), Payload, payload overhead, user information