# Instituto de Pesquisas e Estudos Sociais

> defunct Brazilian think tank

**Wikidata**: [Q21484040](https://www.wikidata.org/wiki/Q21484040)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Instituto_de_Pesquisas_e_Estudos_Sociais)  
**Source**: https://4ort.xyz/entity/instituto-de-pesquisas-e-estudos-sociais

## Summary
The Instituto de Pesquisas e Estudos Sociais is a defunct research institute and think tank based in Brazil. Classified as an organization dedicated to research, it is indexed in multiple international authority databases, including the Library of Congress and VIAF.

## Key Facts
- **Nature:** Defunct research institute (think tank).
- **Country:** Brazil.
- **Primary Function:** Organization whose primary purpose is research.
- **Library of Congress Authority ID:** n85202841.
- **VIAF ID:** 150164851.
- **Yale Lux ID:** group/aa02bd66-6c1e-47ce-a483-beb654c11f95.
- **Freebase ID:** /m/0s8tg_j.
- **Wikipedia Presence:** Articles available in English, Spanish, and Portuguese.
- **Wikidata Description:** Defunct Brazilian think tank.

## FAQs
### Q: Is the Instituto de Pesquisas e Estudos Sociais still active?
A: No. According to its Wikidata description, the Instituto de Pesquisas e Estudos Sociais is currently classified as a defunct organization.

### Q: What type of organization is it?
A: It is classified as a research institute, which is defined as an organization whose primary purpose is conducting research. It is specifically described as a Brazilian think tank.

### Q: In which databases is this institute listed?
A: The institute holds authority records in the Library of Congress (n85202841), the Virtual International Authority File (VIAF 150164851), and the Yale University Library (Lux).

## Why It Matters
The Instituto de Pesquisas e Estudos Sociais represents a specific facet of Brazilian intellectual and social history. As a research institute, its existence highlights the landscape of organized sociological and political inquiry within Brazil during its operational years.

Its inclusion in high-level authority controls—such as the Library of Congress and the Virtual International Authority File (VIAF)—demonstrates its historical relevance and the necessity of preserving its record for bibliographic and academic purposes. While the organization is now defunct, its distinct cataloging across multiple languages (English, Spanish, Portuguese) and major library systems ensures that it remains a verifiable entity within the global knowledge graph. The presence of a Yale Lux ID further suggests it may be referenced in academic or university-level collections, underscoring its utility for researchers studying the history of Latin American think tanks or social science institutes.

## Notable For
- **Defunct Status:** Recognized specifically as a defunct entity in international knowledge bases.
- **Multi-lingual Documentation:** Maintains Wikipedia entries and sitelinks across three languages (English, Spanish, Portuguese).
- **Academic Recognition:** Indexed in the Yale University Library Lux system.
- **Library of Congress Authority:** Holds a validated authority record (n85202841) verified in March 2019.

## Body
### Organizational Classification
The Instituto de Pesquisas e Estudos Sociais functions as a research institute. In the context of organizational taxonomy, this places it among entities whose primary mandate is the conduct of research. Specifically, the organization is geographically tied to **Brazil**.

### Authority Control and Identifiers
The entity is established within global bibliographic systems through a unique set of identifiers.
*   **Library of Congress:** The identifier `n85202841` was assigned and referenced via the Library of Congress authority file, with a retrieval date of 2019-03-06.
*   **VIAF:** The organization is tracked under the identifier `150164851` in the Virtual International Authority File.
*   **Academic Systems:** It is cataloged in the Yale Lux database under the ID `group/aa02bd66-6c1e-47ce-a483-beb654c11f95`.
*   **Knowledge Graphs:** The entity was previously indexed in Freebase under the ID `/m/0s8tg_j`.

### Operational Status
The organization is explicitly described as **defunct**. It is no longer an active participant in Brazilian research or civil society.

### Digital Footprint
The entity maintains a presence across three Wikipedia language editions: English (`en`), Spanish (`es`), and Portuguese (`pt`), with a sitelink count of 3. This indicates a recognized cross-border relevance within the Lusophone and broader academic communities.

## References

1. Virtual International Authority File