Triple

T21271945

Position	Surface form	Disambiguated ID	Type / Status
Subject	Hanover Street Bridge	`E524282`	entity
Predicate	partOf	`P40`	FINISHED
Object	U.S. Route 2 (historic alignment in Baltimore) U.S. Route 2 (historic alignment in Baltimore) was a former routing of the transcontinental U.S. Highway through Baltimore that utilized key local thoroughfares, including the Hanover Street Bridge, before being realigned or decommissioned.	`E1474830`	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: U.S. Route 2 (historic alignment in Baltimore) | Statement: [Hanover Street Bridge, partOf, U.S. Route 2 (historic alignment in Baltimore)]

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: U.S. Route 2 (historic alignment in Baltimore)
Context triple: [Hanover Street Bridge, partOf, U.S. Route 2 (historic alignment in Baltimore)]

A. Interstate 395 Downtown Baltimore spur
Interstate 395 Downtown Baltimore spur is a short auxiliary freeway in Baltimore, Maryland, that connects Interstate 95 directly to the city’s downtown and Inner Harbor area.
B. Maryland Route 212
Maryland Route 212 is a state highway in Maryland that serves as a key commuter route connecting communities such as Beltsville to the broader Washington, D.C. metropolitan area.
C. Maryland Route 260
Maryland Route 260 is a state highway in Maryland that connects communities in Calvert and Anne Arundel counties, serving as a key commuter route between the Chesapeake Bay area and major regional roads.
D. Maryland Route 66
Maryland Route 66 is a state highway in Washington County, Maryland, that runs between Boonsboro and Smithsburg, providing local access to rural communities and connecting with major routes such as Interstate 70.
E. Maryland Route 223
Maryland Route 223 is a state highway in Prince George's County, Maryland, serving communities such as Clinton and providing a connector between several major local routes.
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: U.S. Route 2 (historic alignment in Baltimore)
Triple: [Hanover Street Bridge, partOf, U.S. Route 2 (historic alignment in Baltimore)]

Generated description

U.S. Route 2 (historic alignment in Baltimore) was a former routing of the transcontinental U.S. Highway through Baltimore that utilized key local thoroughfares, including the Hanover Street Bridge, before being realigned or decommissioned.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: U.S. Route 2 (historic alignment in Baltimore)
Target entity description: U.S. Route 2 (historic alignment in Baltimore) was a former routing of the transcontinental U.S. Highway through Baltimore that utilized key local thoroughfares, including the Hanover Street Bridge, before being realigned or decommissioned.

A. Interstate 395 Downtown Baltimore spur
Interstate 395 Downtown Baltimore spur is a short auxiliary freeway in Baltimore, Maryland, that connects Interstate 95 directly to the city’s downtown and Inner Harbor area.
B. Maryland Route 212
Maryland Route 212 is a state highway in Maryland that serves as a key commuter route connecting communities such as Beltsville to the broader Washington, D.C. metropolitan area.
C. Maryland Route 260
Maryland Route 260 is a state highway in Maryland that connects communities in Calvert and Anne Arundel counties, serving as a key commuter route between the Chesapeake Bay area and major regional roads.
D. Maryland Route 66
Maryland Route 66 is a state highway in Washington County, Maryland, that runs between Boonsboro and Smithsburg, providing local access to rural communities and connecting with major routes such as Interstate 70.
E. Maryland Route 223
Maryland Route 223 is a state highway in Prince George's County, Maryland, serving communities such as Clinton and providing a connector between several major local routes.
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_69e0b516293c819089458ea2ec85f85e`	completed	April 16, 2026, 10:08 a.m.
NER	Named-entity recognition	`batch_69e736534c348190a8d29e8d724dd40a`	completed	April 21, 2026, 8:33 a.m.
NED1	Entity disambiguation (via context triple)	`batch_6a099006e7c081908aceb2a0574de81e`	completed	May 17, 2026, 9:53 a.m.
NEDg	Description generation	`batch_6a0990b9b7c8819094f7db294c2e573d`	completed	May 17, 2026, 9:56 a.m.
NED2	Entity disambiguation (via description)	`batch_6a0991cdf6408190a590d8907f2fe880`	completed	May 17, 2026, 10 a.m.

Created at: April 16, 2026, 4:01 p.m.