EAN-2
E224386
EAN-2 is a two-digit supplemental barcode symbol used alongside main EAN/UPC codes to encode additional information such as issue numbers or weight data.
All labels observed (2)
| Label | Occurrences |
|---|---|
| EAN-2 canonical | 1 |
| EAN/UPC barcode symbologies | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2007447 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: EAN-2 Context triple: [EAN-13 barcode system, supportsSupplementalCodes, EAN-2]
-
A.
EAN-13 barcode system
The EAN-13 barcode system is a 13-digit global product identification standard used in retail and logistics to encode numeric data in machine-readable barcodes.
-
B.
E-27
E-27 is the station code assigned to one of the platforms or lines serving Tokyo’s major transit hub, Shinjuku Station.
-
C.
EPCglobal
EPCglobal is an international standards organization that develops and maintains specifications for RFID and electronic product code (EPC) technologies used in global supply chains.
-
D.
ISO 6166
ISO 6166 is an international standard that defines the structure and assignment of International Securities Identification Numbers (ISINs) used to uniquely identify financial securities worldwide.
-
E.
NRZI
NRZI (Non-Return-to-Zero Inverted) is a digital line coding scheme that represents binary data by inverting the signal level on a '1' and leaving it unchanged on a '0', commonly used in various networking and storage technologies.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: EAN-2 Target entity description: EAN-2 is a two-digit supplemental barcode symbol used alongside main EAN/UPC codes to encode additional information such as issue numbers or weight data.
-
A.
EAN-13 barcode system
The EAN-13 barcode system is a 13-digit global product identification standard used in retail and logistics to encode numeric data in machine-readable barcodes.
-
B.
E-27
E-27 is the station code assigned to one of the platforms or lines serving Tokyo’s major transit hub, Shinjuku Station.
-
C.
EPCglobal
EPCglobal is an international standards organization that develops and maintains specifications for RFID and electronic product code (EPC) technologies used in global supply chains.
-
D.
ISO 6166
ISO 6166 is an international standard that defines the structure and assignment of International Securities Identification Numbers (ISINs) used to uniquely identify financial securities worldwide.
-
E.
NRZI
NRZI (Non-Return-to-Zero Inverted) is a digital line coding scheme that represents binary data by inverting the signal level on a '1' and leaving it unchanged on a '0', commonly used in various networking and storage technologies.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
EAN/UPC add-on symbol
ⓘ
barcode symbology ⓘ supplemental barcode ⓘ |
| belongsToFamily |
EAN-2
self-linksurface differs
ⓘ
surface form:
EAN/UPC barcode symbologies
|
| differsFrom | EAN-5 by encoding only two digits ⓘ |
| encodes |
issue numbers
ⓘ
two-digit numeric data ⓘ variant numbers ⓘ weight data ⓘ |
| hasComponent |
left guard bars
ⓘ
two symbol characters ⓘ |
| hasDataCapacity | 00–99 ⓘ |
| hasDigitCount | 2 ⓘ |
| hasOrientation | same as main EAN/UPC symbol ⓘ |
| hasParityPatterns | AA, AB, BA, BB ⓘ |
| hasStructure | guard bar pattern plus two symbol characters ⓘ |
| isAlsoKnownAs |
2-digit supplement
ⓘ
EAN-2 add-on ⓘ |
| isCompatibleWith | retail point-of-sale systems ⓘ |
| isDesignedFor | short supplementary data ⓘ |
| isNotUsedFor | primary product identification ⓘ |
| isPositioned | to the right of the main barcode ⓘ |
| isPrinted | separately from the main barcode ⓘ |
| isRelatedTo | EAN-5 ⓘ |
| isScannableBy | standard EAN/UPC barcode scanners ⓘ |
| isSpecifiedIn | EAN/UPC standards ⓘ |
| isStandardizedBy | GS1 ⓘ |
| isSupplementTo | main EAN/UPC barcode ⓘ |
| isTypicallyPrinted | in smaller size than main barcode ⓘ |
| isUsedFor |
issue identification
ⓘ
price or weight qualifiers ⓘ supplementary product information ⓘ |
| isUsedIn |
books
ⓘ
magazines ⓘ periodicals ⓘ variable-weight products ⓘ |
| isUsedWith |
EAN-13
ⓘ
EAN-8 ⓘ UPC-A ⓘ UPC-E ⓘ |
| isUsedWorldwideIn | retail barcoding ⓘ |
| parityPatternDependsOn | numeric value modulo 4 ⓘ |
| requires | quiet zone separation from main barcode ⓘ |
| usesCharacterSet |
EAN character set A
ⓘ
EAN character set B ⓘ |
| usesEncodingScheme | parity pattern based on modulo-4 of the two-digit value ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: EAN-2 Description of subject: EAN-2 is a two-digit supplemental barcode symbol used alongside main EAN/UPC codes to encode additional information such as issue numbers or weight data.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
EAN/UPC barcode symbologies