Definitions beginning with U

Unsupervised clustering provides grouping of related documents on the basis of their content without referring to a taxonomy; itÂ createsÂ a taxonomyÂ "on-the-fly,"Â parceling documents into dynamic partitions.
FAST - Cite This Source - This Definition
Browse Related Terms: Content routing, Index profile, Rows and columns, Search cluster

untrusted process - permalink - collapse

All > Technology > Telecommunications

[A] Process that has not been evaluated or examined for adherence to the security policy. It may include incorrect or malicious code that attempts to circumvent the security mechanisms. [INFOSEC-99]
ATIS - Cite This Source - This Definition
Browse Related Terms: evaluation observation report (EOR), protection profile (PP), Reference Monitor, security fault notification

unused character - permalink - collapse

All > Technology > Telecommunications

Synonym illegal character.
ATIS - Cite This Source - This Definition
Browse Related Terms: false character, forbidden character, illegal character, improper character, unallowable character

unwanted current - permalink - collapse

All > Technology > Telecommunications

With respect to telecommunications plant, any current that is not intentionally supplied from the central office or from telephone equipment. [After T1.316-1997]
ATIS - Cite This Source - This Definition
Browse Related Terms: joint use aerial plant, plant, unwanted voltage

unwanted voltage - permalink - collapse

All > Technology > Telecommunications

With respect to telecommunications plant, any voltage that is not intentionally supplied from the central office or from telephone equipment. [After T1.316-1997]
ATIS - Cite This Source - This Definition
Browse Related Terms: joint use aerial plant, plant, unwanted current

Unwatering - permalink - collapse

All > Science > Water

As opposed to dewatering, unwatering is the interception and removal of ground water outside of excavations and the removal of ponded or flowing surface water from within excavations. To remove or drain off water. The removal and control of ponded or flowing surface water, surface seepage, and precipitation from within and adjacent to excavations by the use of channels, ditches, and sumps.
Bureau of Reclamation - Cite This Source - This Definition
Browse Related Terms: Diversion, Infiltration gallery, Return-flow system (reuse system), Surge irrigation

UOC - permalink - collapse

All > Technology > Defense

Usable on Code (ILS term).
DoD Missile Defense Agency - Cite This Source - This Definition
Browse Related Terms: FGC, HARDMAN, ICC, IQT, MANPER, MC, MEC, MEILSR, MTU, PRP, R m, RMA, UQT, UUT, WUC

UOES - permalink - collapse

All > Technology > Defense

See User Operational Evaluation System.
DoD Missile Defense Agency - Cite This Source - This Definition
Browse Related Terms: ACEC, CEEM, CEP, EP, FEU, IER, LOE, NDE, OPEVAL, PESHE, PMJEG, SEER, Set, TPEC, TSEU, WHDEVAL, WSEM

Upcard - permalink - collapse

All > Recreation > Games > Baccarat

A face up card.
il dado - Cite This Source - This Definition
Browse Related Terms: Carte, Down Card, Face Cards, Lace, Monkey, Muck, Palette, Up card

All > Recreation > Games > Blackjack

The dealer's first dealt card, placed face up for all the players to see before they play their hands.
il dado - Cite This Source - This Definition
The dealers card that is face up.
Casinos.Net - Cite This Source - This Definition
Browse Related Terms: Anchor, Discard Tray, Discards, Heads up, Heads Up or Heads On, Hole Card, Shiner, Spooking, Up card

Up card - permalink - collapse

All > Recreation > Games > Baccarat

this is the face up card.
Casinos.Net - Cite This Source - This Definition
Browse Related Terms: Carte, Down Card, Face Cards, Lace, Monkey, Muck, Palette, Upcard

All > Recreation > Games > Blackjack

The dealer's card that is played face up. This is the first card the dealer plays to himself.
Blackjack Hero - Cite This Source - This Definition
Browse Related Terms: Anchor, Discard Tray, Discards, Heads up, Heads Up or Heads On, Hole Card, Shiner, Spooking, Upcard

upcast - permalink - collapse

All > Technology > Programming > Java

A cast towards an object's ultimate super type - that is, `up' the inheritance hierarchy towards the Object class, for instance
```
 // Upcast from VariableController to HeaterController VariableController v; ... HeaterController c = v; 
```
See downcast. Java's rules of polymorphism mean that an explicit upcast is not usually required.
David J. Barnes - Cite This Source - This Definition
Browse Related Terms: downcast, hierarchy, inheritance hierarchy, sibling sub classes, sub class, sub type, Super, super class, super type

up-converter - permalink - collapse

All > Technology > Telecommunications

A device that translates frequencies from lower to higher frequencies.
ATIS - Cite This Source - This Definition
Browse Related Terms: higher frequency ground, lower frequency ground, meaconing

UPD - permalink - collapse

All > Technology > Defense

Unconventional Passive Discrimination.
DoD Missile Defense Agency - Cite This Source - This Definition
Browse Related Terms: DISCRIM, ID, IED, KDS, Probability of Discrimination, QM/DX, XoDis

update - permalink - collapse

All > Technology > Collaboration > SharePoint

The process through which search crawls content and compiles an index of the content. Full updates include all content, incremental updates include only content that has changed. Adaptive updates include only content that is likely to have changed based on an analysis of historical information.
Microsoft - Cite This Source - This Definition
Browse Related Terms: build, content source, crawl, exclusion rules, inclusion/exclusion rules

All > Technology > Search > SEO / Search Marketing

Search engines frequently update their algorithms and data sets to help keep their search results fresh and make their relevancy algorithms hard to update. Most major search engines are continuously updating both their relevancy algorithms and search index.

See also:
- Google Terminology - Video where Google's Matt Cutts discusses various commonly used terms inside Google.
SEO Book - Cite This Source - This Definition
Browse Related Terms: Age, Crawl Frequency, Cutts, Matt, Everflux, Fresh, Fresh Content, Google Dance, Static Content

All > Technology > Telecommunications

The regeneration of a display to show current status, based on changes to the previously displayed data. Note: An update can be accomplished upon user request or by automatic means.
ATIS - Cite This Source - This Definition
Browse Related Terms: dragging, Menu, on-screen button, scroll, WYSIWYG

Update (a Certificate) - permalink - collapse

All > Technology > Security

The act or process by which data items bound in an existing public key certificate, especially authorizations granted to the subject, are changed by issuing a new certificate.
NIST - Cite This Source - This Definition
Browse Related Terms: Applicant, CA (certification authority), Certificate Management Authority (CMA), Certificate Policy (CP), Certificate-Related Information, Certification Agent, Certification Authority Facility, Certification Practice Statement (CPS), CRL (Certificate Revocation List), cross-certificate, Dual-Use Certificate, Duration, Encryption Certificate, Intermediate Certification Authority (CA), Re-key (a certificate), Renew (a certificate), Repository, Revoke a Certificate, Subordinate Certification Authority (CA), Superior Certification Authority (CA), X.509 Certificate, X.509 Public Key Certificate

update site - permalink - collapse

All > Technology > E-mail > Lotus Domino

The standard Eclipse directory containing feature and plug-in JAR files and the site index. For IBM® Lotus® Notes®, this is the Notes installer's updateSite.zip file. Notes can also use an NSF-based update site, which is a Notes application based on the updatesite.ntf template.
IBM - Cite This Source - This Definition
Browse Related Terms: Contacts, Feature, install manifest, Sametime Contacts, site index, site registry