20,531 terms including subtopics (0 terms filed directly here)
Technology terms
incidental-radiation deviceA device that radiates radio frequency energy during the course of its operation although the device is not intentionally designed to generate radio…
inclined orbitAny nonequatorial orbit of a satellite. Note: Inclined orbits may be circular or elliptical, synchronous or asynchronous, and direct or retrograde.
inclusionA foreign object present within, for example, an optical fiber or a crystal.
inclusion/exclusion rulesRules that determine what content should be included or excluded when specific sites are crawled. See also: crawl
incoherentIn optics, characterized by a degree of coherence significantly less than 0.88.
incoming accessThe ability of a user to terminate data calls via an ISDN. [T1.615-1992]
incoming call identification (ICI)A switching system feature that allows an attendant to identify visually the type of service or trunk group associated with a call directed to the…
inconsistent stateA state that an object should not be in. A class needs to be carefully designed in order to ensure that none of its instances can get into an inconsistent…
incorrect blockA block successfully delivered to the intended destination user, but having one or more incorrect bits, additions, or deletions, in the delivered block.
incrementTo increase the value of something by 1 (or by some other number, if so specified).
increment chainA series of incremental backups of the same path.
increment operatorAn operator (++) that adds one to its operand. It has two forms: pre-increment (++x) and post-increment (x++).
incremental compactionData compaction accomplished by specifying only the initial value and all subsequent changes.
Incremental FundingThe provision (or recording) of budgetary resources for a program or project based on obligations estimated to be incurred within a fiscal year when such…
Incremental indexingIncremental indexing enables an efficient combination of freshness and scalability in a search node.
incremental phase modulation (IPM)In spread-spectrum systems, phase modulation in which one binary code sequence is shifted with respect to another, usually to conduct a synchronizing…
indefinite call signA call sign that represents a group of facilities, commands, authorities, activities, or units rather than one of these. 2.
independent clocksIn communication network timing subsystems, free-running precision clocks used, for synchronization purposes, at the nodes.
Independent Cost AnalysisAn analysis of program cost estimates conducted by an impartial body disassociated from the management of the program.
Independent Cost Estimate (ICE)A cost estimate prepared by an impartial body outside the chain of authority responsible for acquiring or using the goods or services.
Independent Evaluation Report (IER)Documents the independent evaluation of the system and is based on test data, reports, studies, and simulations.
Independent Research and Development (IR&D)Effort by industry that is not sponsored by, or required in performance of, a contract and which consists of projects falling within the areas of basic…
independent security domainsTwo security domains are independent if and only if: - they are administered by different administrations, and - no dependency relationship exists between…
Independent Verification and Validation (IV&V)Verification and validation performed by a contractor or Government agency that is not responsible for developing the product or performing the activity…
Independent Virtual DiskIndependent virtual disks are not included in snapshots. Independent virtual disks can in turn be either Persistent or Nonpersistent.
independent-sideband (ISB) transmissionDouble-sideband transmission in which the information carried by each sideband is different. Note: The carrier may be suppressed.
IndexStatistical measure of the state of the stock market or economy based on the performance of stocks or other components.
index coverageThe polygon coverage that describes, and is used as a spatial index for, the tile structure of a layer.
index dipIn an optical fiber, an undesired decrease in the refractive index at the center of the core.
index of cooperationIn facsimile, the product of the total line length and the number of lines per unit length, divided by . 2.
Index profileThe configuration file that defines the schema for a searchable index. This includes fields and properties of the index, similar to an XML schema, but…
index queueA list of requests for index reorganization or requests for index refresh to be processed.
index refreshThe process of adding new information to an existing index in an enterprise search system. Contrast with index reorganization.
index reorganizationThe process of building the index in an enterprise search system. Contrast with index refresh.
Index ServiceAn aggregator service in WS MDS that serves as a registry similar to UDDI, but much more flexible.
index workspaceA workspace that manages only content sources.
Index-based securityThe resolution of a repository's document ACL permissions at query time by the index itself through the use of stored meta-data.
index-matching materialA substance, usually a liquid, cement (adhesive), or gel, which has an index of refraction that closely approximates that of an optical fiber, and is used…
Indexing latencyThe time from when a document is added to the search system to when the document is included in the searchable index.
IndicationIn medicine, a sign, symptom, or medical condition that leads to the recommendation of a treatment, test, or procedure.
Indifferent UserAn individual who knows his/her biometric sample is being collected and does not attempt to help or hinder the collection of the sample.
indirect accessA method of access to records requiring prior use of an external index See also direct access.
indirect controlIn digital data transmission, the use of a clock rate of 2n times the modulation rate, where n is an integer greater than one.
indirect entryA principle of indexing wherein headings are incorporated under a hierarchical structure leading from broad to specific concepts See also direct entry and…
indirect filehandleAn "expression" that evaluates to something that can be used as a "filehandle": a "string" (filehandle name), a "typeglob", a typeglob "reference", or a…
indirect objectIn English grammar, a short noun phrase between a verb and its direct object indicating the beneficiary or recipient of the action.
indirect object slotThe syntactic position falling between a method call and its arguments when using the indirect object invocation syntax.
indirect recursionRecursion that results from method Y calling method X, when an existing call from X to Y is still in progress.
indirect waveA wave, such as a radio wave or sound wave, that arrives at a given point by reflection or scattering from surrounding objects, rather than directly from…
indirectionIf something in a program isn't the value you're looking for but indicates where the value is, that's indirection.
IndividualsInstances of classes; properties may be used to relate individuals to each other.
Induced EnvironmentsInduced environments are defined at the system level as the disturbances in the natural environments caused by BMD system influences on other BMD assets…
Induced RadioactivityRadioactivity that is created by bombarding a substance with neutrons in a reactor or with charged particles produced by particle accelerators.
inductive couplingThe transfer of energy from one circuit to another by virtue of the mutual inductance between the circuits.
Industrial Resource Analysis (IRA)A quick-turnaround or a detailed analysis of industrial and/or specific factory capabilities to determine the availability of production resources…
Inertial GuidanceA guidance system designed to project a missile over a predetermined path, wherein the path of the missile is adjusted after launching by devices wholly…
Inertial Measurement Unit (IMU)A guidance mechanism designed to project a missile over a predetermined path, wherein the path of the missile is adjusted after launching by devices…
InetOrgPersonAn Active Directory object that is similar to the Windows user object, but has extended attributes to improve compatibility with directory services that…
INEWSIntegrated Electronic Warfare System (Navy term).
INFIntermediate-range Nuclear Force (Treaty term). Also the name of U.S./USSR Treaty.
InferenceProcess of deriving a conclusion from premises; in semantic web it is performed by a reasoner software and is used to extract explicit knowledge from…
inferred hierarchyThe class hierarchy constructed by or inferred by a resonaer; as opposed to the asserted hierarchy that is manually created by the author of an ontology.
InfiniBandInfiniBand is the next generation switch fabric architecture that enables increased network bandwidth (10Gbps), redundant connectivity support, shared…
infinite loopA loop whose termination test never evaluates to false. Sometimes this is a deliberate act on the part of the programmer, using a construct such as…
infinite recursionRecursion that does not terminate. This can result from any of direct recursion, indirect recursion or mutual recursion.
infixAn "operator" that comes in between its operands, such as multiplication in 24 * 7.
INFOA tabular DBMS used by ARC/INFO to store and manipulate feature attribute tables and other related tables.
INFO databaseThe contents of a set of INFO data files, feature attribute tables, and related files stored in each ARC/INFO workspace under a subdirectory named INFO.
infobahnA slang term for The Internet or NII. See National Information Infrastructure.
InformationAccusatory document, filed by a prosecutor, detailing misdemeanor charges against a party.
Information ArchitectureDesigning, categorizing, organizing, and structuring content in a useful and meaningful way.
Information Architecture (IA)A description of the information that is needed to support command and control decision making and battle management, where it comes from, the processing…
Information AssuranceMeasures that protect and defend information and information systems by ensuring their availability, integrity, authentication, confidentiality, and…
information digit(s)A single-digit data element in the 7-digit format that is outpulsed by the network to indicate the numbering plan digit (NPD) and CESID (caller's…
information extractionA type of concept extraction that automatically recognizes significant vocabulary items, such as names, terms, and expressions, in text documents.
information feedbackThe return of received data to the source, usually for the purpose of checking the accuracy of transmission by comparison with the original data.
information fieldIn data transmission, a field assigned to contain user information. Note: The contents of the information field are not interpreted at the link level.
information flow control[In COMSEC, a] procedure to ensure that information transfers within an information system (IS) are not made from a higher security level object to an…
information hidingThe practice of ensuring that only as much information is revealed about the implementation of a class as is strictly required.
information integrityIn a frame-relaying network, the condition when all frames relayed by the network satisfy the frame check sequence check. [After T1.606-1990]