Mature Harappan period
E655202
The Mature Harappan period was the peak urban phase of the Indus Valley Civilization, marked by advanced city planning, standardized weights and measures, and extensive trade networks across South Asia and beyond.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Mature Harappan phase | 3 |
| Harappan culture | 2 |
| Mature Harappan | 2 |
| Mature Harappan period canonical | 2 |
| Indus Valley Civilization urban phase | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7309144 — 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: Mature Harappan period Context triple: [Harappa, hasTimePeriod, Mature Harappan period]
-
A.
Late Harappan period
The Late Harappan period was the final phase of the Indus Valley Civilization, marked by urban decline, regionalization, and cultural transitions that set the stage for early Vedic society in the Indian subcontinent.
-
B.
Early Harappan phase of the Indus Valley Civilization
The Early Harappan phase of the Indus Valley Civilization was the formative period (c. 3300–2600 BCE) during which regional farming and craft communities evolved toward the urban, planned cities and complex social organization characteristic of the Mature Harappan era.
-
C.
Vedic period
The Vedic period is an ancient era of South Asian history marked by the composition of the Vedas and the early development of Vedic culture and religion.
-
D.
Sangam period
The Sangam period was an ancient era of Tamil history marked by flourishing literature, powerful dynasties like the Pandyas, and vibrant urban and maritime culture in South India.
-
E.
Mahajanapada period
The Mahajanapada period was an era in ancient Indian history marked by the rise of powerful territorial states and the early development of urbanization, trade, and political institutions.
- 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: Mature Harappan period Target entity description: The Mature Harappan period was the peak urban phase of the Indus Valley Civilization, marked by advanced city planning, standardized weights and measures, and extensive trade networks across South Asia and beyond.
-
A.
Late Harappan period
The Late Harappan period was the final phase of the Indus Valley Civilization, marked by urban decline, regionalization, and cultural transitions that set the stage for early Vedic society in the Indian subcontinent.
-
B.
Early Harappan phase of the Indus Valley Civilization
The Early Harappan phase of the Indus Valley Civilization was the formative period (c. 3300–2600 BCE) during which regional farming and craft communities evolved toward the urban, planned cities and complex social organization characteristic of the Mature Harappan era.
-
C.
Vedic period
The Vedic period is an ancient era of South Asian history marked by the composition of the Vedas and the early development of Vedic culture and religion.
-
D.
Sangam period
The Sangam period was an ancient era of Tamil history marked by flourishing literature, powerful dynasties like the Pandyas, and vibrant urban and maritime culture in South India.
-
E.
Mahajanapada period
The Mahajanapada period was an era in ancient Indian history marked by the rise of powerful territorial states and the early development of urbanization, trade, and political institutions.
- F. None of above. chosen
Statements (54)
| Predicate | Object |
|---|---|
| instanceOf |
archaeological culture phase
ⓘ
historical period ⓘ |
| alsoKnownAs |
Mature Indus phase
NERFINISHED
ⓘ
Urban Harappan phase NERFINISHED ⓘ |
| chronologicalPosition | peak urban phase of the Indus Valley Civilization ⓘ |
| culturalContinuityWith | Early Harappan period NERFINISHED ⓘ |
| declineLeadsTo | regionalized Late Harappan cultures ⓘ |
| endTime | c. 1900 BCE ⓘ |
| follows | Early Harappan period NERFINISHED ⓘ |
| hasFeature |
Great Bath at Mohenjo-daro
NERFINISHED
ⓘ
advanced drainage and sewage systems ⓘ baked brick architecture ⓘ bead-making industry ⓘ citadel and lower town layout in major cities ⓘ dockyard structures at Lothal ⓘ evidence of social organization without monumental royal architecture ⓘ evidence of standardized urban planning across distant sites ⓘ fortified settlements in some sites ⓘ large non-residential buildings interpreted as assembly halls ⓘ large-scale craft production ⓘ long-distance trade networks ⓘ planned cities with grid layouts ⓘ public granaries and storage facilities ⓘ seals with animal motifs ⓘ standardized brick proportions ⓘ standardized terracotta figurines ⓘ standardized weights and measures ⓘ urban sanitation infrastructure ⓘ use of Indus script ⓘ weights based on binary and decimal systems ⓘ widespread use of wheel-made pottery ⓘ |
| hasLocation |
northwestern South Asia
ⓘ
parts of eastern Afghanistan ⓘ parts of eastern Iran borderlands ⓘ present-day Pakistan ⓘ present-day northwest India ⓘ |
| majorSite |
Dholavira
NERFINISHED
ⓘ
Harappa NERFINISHED ⓘ Kalibangan NERFINISHED ⓘ Lothal NERFINISHED ⓘ Mohenjo-daro NERFINISHED ⓘ Rakhigarhi NERFINISHED ⓘ |
| partOf | Indus Valley Civilization NERFINISHED ⓘ |
| precedes | Late Harappan period ⓘ |
| startTime | c. 2600 BCE ⓘ |
| tradedGoods |
carnelian beads
ⓘ
cotton textiles ⓘ grain and other agricultural products ⓘ lapis lazuli ⓘ metals and metal objects ⓘ |
| tradedWith |
Bahrain (Dilmun)
NERFINISHED
ⓘ
Mesopotamia NERFINISHED ⓘ Oman NERFINISHED ⓘ regions of the Persian Gulf ⓘ |
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: Mature Harappan period Description of subject: The Mature Harappan period was the peak urban phase of the Indus Valley Civilization, marked by advanced city planning, standardized weights and measures, and extensive trade networks across South Asia and beyond.
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Mature Harappan
this entity surface form:
Harappan culture
this entity surface form:
Mature Harappan phase
this entity surface form:
Harappan culture
this entity surface form:
Mature Harappan phase
this entity surface form:
Indus Valley Civilization urban phase