20,531 terms including subtopics (0 terms filed directly here)
Technology terms
Unsupervised clusteringUnsupervised clustering provides grouping of related documents on the basis of their content without referring to a taxonomy; it creates a taxonomy…
untrusted process[A] Process that has not been evaluated or examined for adherence to the security policy.
unwanted currentWith respect to telecommunications plant, any current that is not intentionally supplied from the central office or from telephone equipment. [After T1.
unwanted voltageWith respect to telecommunications plant, any voltage that is not intentionally supplied from the central office or from telephone equipment. [After T1.
updateThe process through which search crawls content and compiles an index of the content.
Update (a Certificate)The act or process by which data items bound in an existing public key certificate, especially authorizations granted to the subject, are changed by…
update siteThe standard Eclipse directory containing feature and plug-in JAR files and the site index.
updating[In INFOSEC, an] automatic or manual cryptographic process that irreversibly modifies the state of a COMSEC key, equipment, device, or system. [INFOSEC-99]
Upgradenew or better version of some hardware or software.
uplink (U/L)1. The portion of a communications link used for the transmission of signals from an Earth terminal to a satellite or to an airborne platform.
UPNUser Principal Name, composed of the username along with a global forest root name. Ex.: name.surname@tandt.com
upstreamThe region extending in a 5' direction from a gene.
UPTSee Universal Personal Telecommunications service.
UPT access codeIn universal personal telecommunications service, the code that UPT users may need to dial, when using some terminals and networks, to enter the UPT…
UPT access number (UPTAN)A number dialed by a UPT user to contact the service provider when using certain terminals and networks.
UPT databaseIn universal personal telecommunications service, a repository for information, such as a service profile, that is related to a set of UPT customers and…
UPT environmentIn universal personal telecommunications service, the environment within which the UPT service facilities are offered, consisting of combinations of…
UPT indicatorIn universal personal telecommunications service, that portion (or portions) of the UPT number that identifies a call as a UPT call.
UPT numberIn universal personal telecommunications service, the number that uniquely identifies a UPT user and that is used to place a call to, or to forward a call…
UPT routing addressIn universal personal telecommunications service, the number used by the network to direct a call according to the user's UPT service profile.
UPT service profileIn universal personal telecommunications service, a record that contains all information related to a UPT user, which information is required to provide…
UPT service profile managementIn universal personal telecommunications service, authorized access to and manipulation of the UPT service profile.
UPT subscriberIn universal personal telecommunications service, a person who (or entity that) obtains a UPT service from a UPT service provider on behalf of one or more…
UPT userIn universal personal telecommunications service, a person who (or entity that) has access to universal personal telecommunications (UPT) services and who…
UPT user groupA specific set of universal personal telecommunications service users.
uptimeThe time during which a functional unit is fully operational.
URI (Universal Resource Identifier)URLs are the most familiar type of URI; a URI defines or specifies an entity, without necessarily by naming its location on the Web.
URIPUniversity Research Initiative Support Program.
URL (Uniform Resource Locator)The Internet address for a document, file, or other resource. It describes the protocol required to access the resource, the host where it can be found…
URL (Universal Resource Locator)A Universal Resource Locator is the address that translates to a TCP/IP address in order to access resources in the Internet.
URL pathThe part of a URL passed by an HTTP request to invoke a servlet. A URL path consists of the context path + servlet path + path info, where
URL RewriteA technique used to help make URLs more unique and descriptive to help facilitate better sitewide indexing by major search engines.
usage analysisData collected to evaluate how a Web site is being used, such as visitor user names, number of visits to each page, and the types of Web browsers used.
Usage DataThings like a large stream of traffic, repeat visitors, multiple page views per visitor, a high clickthrough rate, or a high level of brand related search…
usage reportAn AWS report giving details of your usage of a particular AWS service. You can generate and download usage reports from http://aws.amazon.