# DOE-2

> software

**Wikidata**: [Q10846902](https://www.wikidata.org/wiki/Q10846902)  
**Source**: https://4ort.xyz/entity/doe-2

## Summary
DOE-2 is a software entity defined as a non-tangible executable component of a computer system. It serves as a tool or means for a computer to perform arithmetic or logical operations and is classified as a subclass of creative work and written work. The entity is referenced by the Simulation Research Group at Lawrence Berkeley National Laboratory (LBL) and is documented within Chinese language Wikipedia.

## Key Facts
- **Classification:** DOE-2 is an instance of **software**, a category that includes creative works, written works, and products.
- **Nature:** It is a non-tangible executable component, distinct from computer hardware (physical objects).
- **Components:** Like all software, it consists of computer programs and data.
- **Source Reference:** It is explicitly linked to the URL `http://simulationresearch.lbl.gov/` (archived February 14, 2013).
- **Language Presence:** The entity has a sitelink count of 1, specifically within the **Chinese** (zh) language Wikipedia.
- **Academic Context:** The entity falls under the study of **software engineering** and **software studies**.
- **Taxonomy:** It is categorized under Dewey Decimal Classification codes **005** and **005.3**.

## FAQs
### Q: What is the fundamental nature of DOE-2?
A: DOE-2 is defined as software, meaning it is a non-tangible executable component of a computer. It functions as a creative work and a tool composed of computer programs and data.

### Q: Where is DOE-2 documented and referenced?
A: The entity is referenced by archived web data from the Simulation Research Group at LBL (`simulationresearch.lbl.gov`). It is also documented in the Chinese language edition of Wikipedia.

### Q: How does DOE-2 relate to hardware?
A: DOE-2, as software, is the functional opposite of computer hardware. While hardware is a physical object, DOE-2 is the non-tangible logic that enables the hardware to perform specific operations.

## Why It Matters
DOE-2 matters as a specific instance of software, the essential element that enables general-purpose computers to function as specific tools. By providing the executable logic and data necessary for operations, entities like DOE-2 transform physical hardware into functional means for solving problems. Its significance is reflected in its inclusion in global knowledge bases and its classification within academic disciplines like software engineering. It represents the dual nature of software as both a creative written work and a commercial product.

## Notable For
- **Non-Tangibility:** Distinguished from physical hardware by its existence as executable logic and data.
- **Academic Classification:** Indexed under specific Dewey Decimal codes (005, 005.3) and recognized by academic fields such as software studies.
- **Research Association:** Directly referenced by the Lawrence Berkeley National Laboratory (LBL) Simulation Research Group.

## Body
### Definition and Classification
DOE-2 is formally defined as **software**, the non-tangible executable component of a computer system. It is taxonomically classified as a subclass of **creative work**, **written work**, **means**, and **product**. As an instance of software, it is composed of two primary parts: **computer programs** and **data**. It is defined strictly as the functional opposite of computer hardware (the physical object).

### Documentation and References
The entity DOE-2 is maintained in knowledge bases with a **sitelink count of 1**, appearing specifically in the **Chinese** (zh) language domain. It is associated with a specific reference source: an archived snapshot of the **Simulation Research Group** website at Lawrence Berkeley National Laboratory (`http://simulationresearch.lbl.gov/`), captured on February 14, 2013. This link connects the entity to the broader context of simulation research.

### Characteristics and Context
As a software entity, DOE-2 is characterized by attributes common to its class, including **source code**, **software architecture**, **software quality**, and **testability**. It falls under the purview of **software engineering** and **software studies**.

In the broader context of software classification, DOE-2 exists alongside diverse examples of the category, such as:
*   **Programming Languages:** Java (inception 1995).
*   **Specialized Applications:** Sonata (1986 building design software), ARES CAD, and Synthesizer V.
*   **System Tools:** RandR (X11 screen configuration) and dm-verity (block device integrity).

The entity is further categorized by standard library systems, specifically the Dewey Decimal Classification codes **005.3** and **005**.