Triple

T11399384
Position Surface form Disambiguated ID Type / Status
Subject CTCS-3 E270065 entity
Predicate higherLevelThan P4476 FINISHED
Object CTCS-2
CTCS-2 is a train control system level within the Chinese Train Control System hierarchy, providing a standardized, lower-tier signaling and control capability compared to CTCS-3.
 E923681 NE FINISHED

How this triple was built (4 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: CTCS-2 | Statement: [CTCS-3, higherLevelThan, CTCS-2]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: CTCS-2
Context triple: [CTCS-3, higherLevelThan, CTCS-2]
  • A. CTCS-3
    CTCS-3 is a high-level Chinese Train Control System standard used for advanced, high-speed railway signaling and train operation control.
  • B. ETCS Level 2
    ETCS Level 2 is an advanced European train control and signalling standard that enables continuous, cab-based train supervision and high-speed, high-capacity railway operations.
  • C. CBTC
    CBTC (Communications-Based Train Control) is an advanced railway signalling system that uses continuous, high-capacity data communication to manage train movements with greater safety and efficiency.
  • D. ETCS Level 3
    ETCS Level 3 is an advanced, moving-block train control standard that enables continuous train integrity supervision and higher line capacity within the European Train Control System.
  • E. ETCS Level 1
    ETCS Level 1 is a standardized European train control and signaling system level that uses trackside equipment and intermittent data transmission to supervise train speed and movement authority.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: CTCS-2
Triple: [CTCS-3, higherLevelThan, CTCS-2]
Generated description
CTCS-2 is a train control system level within the Chinese Train Control System hierarchy, providing a standardized, lower-tier signaling and control capability compared to CTCS-3.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: CTCS-2
Target entity description: CTCS-2 is a train control system level within the Chinese Train Control System hierarchy, providing a standardized, lower-tier signaling and control capability compared to CTCS-3.
  • A. CTCS-3
    CTCS-3 is a high-level Chinese Train Control System standard used for advanced, high-speed railway signaling and train operation control.
  • B. ETCS Level 2
    ETCS Level 2 is an advanced European train control and signalling standard that enables continuous, cab-based train supervision and high-speed, high-capacity railway operations.
  • C. CBTC
    CBTC (Communications-Based Train Control) is an advanced railway signalling system that uses continuous, high-capacity data communication to manage train movements with greater safety and efficiency.
  • D. ETCS Level 3
    ETCS Level 3 is an advanced, moving-block train control standard that enables continuous train integrity supervision and higher line capacity within the European Train Control System.
  • E. ETCS Level 1
    ETCS Level 1 is a standardized European train control and signaling system level that uses trackside equipment and intermittent data transmission to supervise train speed and movement authority.
  • F. None of above. chosen

Provenance (5 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69d6aacdbc6c8190af6dc3d5f5d22836 completed April 8, 2026, 7:21 p.m.
NER Named-entity recognition batch_69d8001adc188190ae45227856156412 completed April 9, 2026, 7:38 p.m.
NED1 Entity disambiguation (via context triple) batch_69e58cf75ec08190a571e5178bcde274 completed April 20, 2026, 2:18 a.m.
NEDg Description generation batch_69e59774e6648190a38b2515a83c2e0c completed April 20, 2026, 3:03 a.m.
NED2 Entity disambiguation (via description) batch_69e5a3abf24481908fb71f4ef6b13532 completed April 20, 2026, 3:55 a.m.
Created at: April 8, 2026, 9:34 p.m.