CHM
E703703
CHM is the National Rail station code for Chelmsford railway station in Essex, England.
All labels observed (1)
| Label | Occurrences |
|---|---|
| CHM canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7992156 — 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: CHM Context triple: [Chelmsford railway station, hasStationCode, CHM]
-
A.
Chimica
Chimica is a specialized scientific database focused on chemistry literature and research.
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B.
Chemistry
Chemistry is the branch of science that studies the composition, structure, properties, and transformations of matter at the atomic and molecular levels.
-
C.
CHE
CHE is the three-letter ISO 3166-1 alpha-3 country code for Switzerland.
-
D.
CAS Common Chemistry
CAS Common Chemistry is a free online resource from the Chemical Abstracts Service that provides curated chemical information, including identifiers and basic data for commonly encountered substances.
-
E.
Elementa chemiae
Elementa chemiae is an influential early 18th-century chemistry textbook by Herman Boerhaave that systematically organized and advanced contemporary chemical knowledge.
- 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: CHM Target entity description: CHM is the National Rail station code for Chelmsford railway station in Essex, England.
-
A.
Chimica
Chimica is a specialized scientific database focused on chemistry literature and research.
-
B.
Chemistry
Chemistry is the branch of science that studies the composition, structure, properties, and transformations of matter at the atomic and molecular levels.
-
C.
CHE
CHE is the three-letter ISO 3166-1 alpha-3 country code for Switzerland.
-
D.
CAS Common Chemistry
CAS Common Chemistry is a free online resource from the Chemical Abstracts Service that provides curated chemical information, including identifiers and basic data for commonly encountered substances.
-
E.
Elementa chemiae
Elementa chemiae is an influential early 18th-century chemistry textbook by Herman Boerhaave that systematically organized and advanced contemporary chemical knowledge.
- F. None of above. chosen
Statements (10)
| Predicate | Object |
|---|---|
| instanceOf | National Rail station code ⓘ |
| appliesTo | railway station ⓘ |
| codeFor | Chelmsford railway station ⓘ |
| country | United Kingdom ⓘ |
| locatedIn |
England
ⓘ
Essex ⓘ |
| network | British railway network ⓘ |
| represents | Chelmsford railway station ⓘ |
| system | National Rail station coding system ⓘ |
| usedBy | National Rail ⓘ |
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: CHM Description of subject: CHM is the National Rail station code for Chelmsford railway station in Essex, England.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.