FullDescription:Information Management

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Abstract syntax

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abstract syntax notation one

Abbreviation

Definition

The specification of Application Layer data or application-protocol-control-information by using notation rules which are independent of the encoding technique used to represent them.

Definition Source

International Telecommunications Union (ITU), terminology tool Termite 6L - Terminology of Telecommunications - V.7, official terminology

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Aeronautical Information Exchange Model

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Term Aeronautical Information Exchange Model
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aeronautical information

Flight Information Exchange Model (FIXM)

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Abbreviation

AIXM

Definition

"a logical data model and data exchange specification for aeronautical information, which is the standard used for digitally encoding, processing and distributing aeronautical data by Aeronautical Information Services (AIS) in Europe; initially developed by EUROCONTROL for the European AIS Database (EAD), AIXM has gradually become a world-wide standard, the latest model versions being co-developed with United States FAA and in the process to be adopted by ICAO."

Definition Source

EUROCONTROL (2010) AIXM web site [1]

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Aeronautical Information Service

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Term Aeronautical Information Service
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SESAR

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Abbreviation

AIS

Definition

A service established within the defined area of coverage responsible for the provision of aeronautical information/data necessary for the safety, regularity and efficiency of air navigation.

Definition Source

ICAO, Official definition, ANNEX 15 Aeronautical Information Services 2010

Note

The aeronautical information service provides aeronautical information e.g. for pre-flight planning processes e.g. NOTAMS, the Aeronautical Information Publications (e.g. Aerodrome Ground Movement Chart).

Lexicon Release

Lexicon Release 2015.2

Aeronautical data

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Term aeronautical data
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Integrity of aeronautical data

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Abbreviation

Definition

A representation of aeronautical facts, concepts or instructions in a formalized manner suitable for communication, interpretation or processing.

Definition Source

ICAO (2010), Official definition, Annex 15 (Aeronautical Information Services)

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Lexicon Release

Lexicon Release 2015.2

Application-specific integrated circuit

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Term application-specific integrated circuit
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Abbreviation

ASIC

Definition

A chip on which the pattern of connections has been set up exclusively for a specific function.

Definition Source

Gartner, IT Definitions and Glossary, [2]

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Basic encoding rules

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Term basic encoding rules
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Abbreviation

BER

Definition

a set of Abstract Syntax Notation One encoding rules that define a specific way in which information may be encoded in a binary form. It is used as the underlying mechanism for encoding message.

Definition Source

Open DS Wiki (2010) [3]

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BER elements use a TLV structure, where TLV stands for “type”, “length”, and “value”. That is, each BER element has one or more bytes (in LDAP, typically only a single byte) that indicates the data type for the element, one or more bytes that indicate the length of the value, and the encoded value itself (where the form of the encoded value depends on the data type), which can be zero or more bytes [...]

Benchmark

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Term benchmark
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Abbreviation

Definition

1. (IT-related) "A test that uses a representative set of programs and data designed to evaluate the performance of computer hardware and software in a given configuration."

2. (general) "Reference point or standard against which performance or achievement can be assessed. A benchmark often refers to an intermediate target to measure progress within a given period as well as to the performance of other comparable organizational entities."

Definition Source

1. Information technology : vocabulary : third working draft 2382-8 "security" = Technologies de l'information : vocabulaire : 3ème document de travail 2382-8 "sécurité". International Organization for Standardization. Paris : AFNOR, 1992.

2. United Nations MECD Glossary of terms, Tools category [4]

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Bit error rate

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Term bit error rate
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Abbreviation

BER

Definition

The number of bit errors in a sample divided by the total number of bits in the sample, generally averaged over many such samples.

Definition Source

ICAO, Official definition, AN-WP/8297 Approval of Draft Report to Council on Amendment 83 to Annex 10 24/1/08, p. B-3

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Core Data Warehouse

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Term Core Data Warehouse
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data mart

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data warehouse

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Abbreviation

Definition

[a data warehouse, whose function it is] to facilitate data loading, integration and quality assurance. So, the function of a core data warehouse is not to make the data available to its users. Instead, for the users’ purposes, i.e. for performance data analysis and dissemination, separate data marts should be built.

Definition Source

ICAO (2009) doc. 9883, Manual on Global Performance of the Air Navigation System

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Lexicon Release

Lexicon Release 2015.2

Data mart

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Term data mart
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Core Data Warehouse

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Data warehouse

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Abbreviation

DM

Definition

a specialized version of a Data warehouse. The key difference is that the creation of a data mart is predicated on a specific, predefined need for a certain grouping and configuration of select data from a Core Data Warehouse. The primary function of data marts is to make data available to users, i.e. to support performance data analysis and dissemination.

Definition Source

ICAO (2009) doc. 9883, Manual on Global Performance of the Air Navigation System

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Lexicon Release

Lexicon Release 2015.2

Data set

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Term data set
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Abbreviation

Definition

a group of records in a fact table which logically belong together. By including a data set dimension, performance data managers can load data for different versions, realities, assumptions or scenarios in the same table. Likewise, data sets can be used to distinguish between measured values (indicators) and targets.

Definition Source

ICAO (2009), doc. 9883, Manual on Global Performance of the Air Navigation System

Note

Data cannot and should not be aggregated over data sets, but the data sets can be compared against each other: for example, different forecast scenarios, or different forecast editions, or measured values against targets. The data set dimension is an important instrument for performance evaluation. (same source)

Data warehouse

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Term data warehouse
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CFMU Data Warehouse

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Core Data Warehouse

Abbreviation

DW

Definition

a database in which data collected from several operational systems is integrated and stored by subject in such a way that it can be easily analysed, esp. for making informed management decisions.

Definition Source

Oxford English Dictionary (2004)

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A data warehouse contains data which is built out of separate internal and/or external data sources where the data is integrated in a consistent manner. The database design of a data warehouse favours data analysis and reporting in order to gain strategic insight and to facilitate decision-making. A data warehouse contains “fact tables” and “dimension tables” which may be arranged as a “star schema” or a “snowflake schema”

Note Source

ICAO (2009) Doc.9883, Manual on Global Performance of the Air Navigation System

Lexicon Release

Lexicon Release 2015.2

Digital Flight Data Acquisition Unit

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Term Digital Flight Data Acquisition Unit
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Digital Flight Data Recorder (DFDR)

Flight Data Acquisition Unit (FDAU)

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DFDAU

Definition

an electronic device that collects, samples, conditions, and digitizes analog, discrete, and digital signals representing aircraft functions. It supplies a serial digital bit stream to the DFDR.

Definition Source

FAA (1999) Advisory Circular 20-141, AIRWORTHINESS AND OPERATIONAL APPROVAL OF DIGITAL FLIGHT DATA RECORDER SYSTEMS [5]

Note

A DFDAU differs from a Flight Data Acquisition Unit (FDAU) in that a DFDAU is capable of receiving both analog and digital data streams and converting them to the required DFDR digital data format. (See Aeronautical Radio Incorporated (ARINC) Characteristic 717.)

Digital Flight Data Recorder

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Term Digital Flight Data Recorder
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Digital Flight Data Acquisition Unit (DFDAU)

Flight Data Acquisition Unit (FDAU)

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DFDR

Definition

a recording device that utilizes a digital method to record and store data onto a storage medium and to retrieve that data from the medium. A DFDR may be the storage device in a recording system that includes a DFDAU or a FDAU. Or, it may be a stand-alone device using an internal data collection system to convert aircraft analog and discrete signals to digital form.

Definition Source

FAA (1999) Advisory Circular 20-141, AIRWORTHINESS AND OPERATIONAL APPROVAL OF DIGITAL FLIGHT DATA RECORDER SYSTEMS [6]

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Electronic Flight Bag

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Term Electronic Flight Bag
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Abbreviation

EFB

Definition

Electronic computing and/or communications equipment or systems used to display a variety of aviation data or perform a variety of aviation functions. The scope of EFB functionality may include data connectivity. EFBs may be portable electronic devices or installed systems. The physical EFB may use various technologies, formats and forms of communications.

Definition Source

Transport Canada (2005), AERONAUTICAL INFORMATION CIRCULAR 1/05, USE OF ELECTRONIC FLIGHT BAGS (EFB)[7]

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More details on the 3 different EFB classes can be found on SKYBRARY [8]

Encoder/decoder

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Term Encoder/decoder
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Abbreviation

CODEC

Definition

Encoder/decoder entity used for encoding and decoding data to be transmitted and received, respectively.

Definition Source

International Telecommunication Union (ITU), website, Terminology, Terms and Definitions tool [9]

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Flight Data Acquisition Unit

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Term Flight Data Acquisition Unit
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Digital Flight Data Recorder (DFDR)

Digital Flight Data Acquisition Unit (DFDAU)

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Abbreviation

FDAU

Definition

an electronic device that collects, samples, conditions, and digitizes analog signals representing aircraft functions. The FDAU does not normally have the capability to condition digital signals. It provides data to the DFDR in a digital bit stream. See the definition for DFDAU. (See ARINC Characteristic 573.)

Definition Source

FAA (1999) Advisory Circular 20-141, AIRWORTHINESS AND OPERATIONAL APPROVAL OF DIGITAL FLIGHT DATA RECORDER SYSTEMS [10]

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Flight Information Exchange Model

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Term Flight Information Exchange Model
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Aeronautical Information Exchange Model (AIXM)

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Abbreviation

FIXM

Definition

a data interchange format for sharing information about flights throughout their lifecycle.

Definition Source

FIXM homepage [11]

Note

FIXM increases interoperability among all air traffic stakeholders by mediating interactions between Air Traffic Management systems, airspace users, transportation authorities, security and defense authorities, logistics and transportation providers, and many more.

Master Data Management

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Term Master Data Management
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Abbreviation

MDM

Definition

The function of maintaining a common framework of dimensions throughout disparate IT systems and among a variety of stakeholders.

Definition Source

ICAO (2009), doc. 9883, Manual on Global Performance of the Air Navigation System

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Lexicon Release

Lexicon Release 2015.2

Non Volatile Memory

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Term Non Volatile Memory
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Abbreviation

NVM

Definition

the name given to the ‘flash’ RAM found in many items of solid state avionic equipment fitted to modern aircraft. ‘Non Volatile’ means that, subject to memory capacity, stored data is retained when electrical power is removed.

Definition Source

SKYBRARY, reference tool for aviation safety knowledge [12]

Note

NVM is most often included in a design to aid fault identification and rectification by the provision of a history of recorded fault signals. Many familiar items of avionic equipment are nowadays of solid state design and incorporate NVM.

Random-access memory

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Term Random-access memory
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Abbreviation

RAM

Definition

a computer memory on which data can be both read and written and on which the location of data does not affect the speed of its retrieval; especially: RAM that acts as the main storage available to the user for programs and datta - called also "random access memory".

Definition Source

Merriam-Webster Dictionary, [13]

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Staging area

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Term staging area
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data warehouse

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Abbreviation

Definition

a part of a data warehouse where raw source data is placed, prior to quality checking, transformation and subsequent loading into fact tables and dimension tables.

Definition Source

ICAO (2009), doc. 9883, Manual on Global Performance of the Air Navigation System

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Use case

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Term use case
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Abbreviation

Definition

detailed description of a single activity in a business process that identifies data inputs and outputs, performance/timing requirements, the handling of error conditions and interfaces with external applications [ISO 15394, 4.2].

Definition Source

International Organization for Standardization (ISO) 2008, "Information technology : automatic identification and data capture (AIDC) techniques : harmonized vocabulary. Part 1. General terms relating to AIDC"

Note

term and definition standardized by ISO/IEC [ISO/IEC 19762-1:2008]