Which one of the following formats is followed in PRECIS to prepare index entries?

Question

Prepp Team · Accepted Answer

Understanding PRECIS Indexing

PRECIS stands for Preserved Context Index System. It is a subject indexing system developed by Derek Austin for the British National Bibliography (BNB) in the early 1970s. Its main goal is to produce index entries that preserve the context of the subject statement, allowing users to understand the relationship between different terms in the index entry.

PRECIS uses a system of roles and operators to create a 'string' or a complete statement about the subject of a document. This string is then manipulated by computer to generate multiple index entries, each starting with a different significant term from the string while maintaining the context provided by the other terms.

PRECIS Index Entry Format

The format of the PRECIS index entry is designed to be clear and easy to read, showing the relationship between the terms. Each entry typically consists of different parts arranged on different lines. The standard format used in PRECIS to display these index entries is a specific multi-line, multi-part structure.

Analyzing the PRECIS Format Options

Let's look at the options provided regarding the format followed in PRECIS for preparing index entries:

Two-Line-Three-Part
One-Line-Two-Part
Two-Line-One-Part
Two-Line Two-Part

The core principle of PRECIS is to show context. This is achieved by breaking down the subject statement into components (parts) and arranging them spatially (lines). The standard and most characteristic output format for a PRECIS entry involves a two-line display that represents three conceptual areas or 'parts' of the index entry. These parts are often referred to in relation to the full 'string' statement.

The first line typically contains the 'Lead' term, followed by the 'Qualifier'.
The second line contains the 'Display' term(s).

While visually it's two lines, the underlying structure often relates to three conceptual elements or positions in the PRECIS string syntax (which can be simplified to Lead, Qualifier, and Display for output understanding). Therefore, the format is best described as aiming for a structure that utilizes two lines to present information derived from conceptually distinct parts of the subject analysis.

The Correct PRECIS Index Entry Format

The format that accurately describes the typical visual output and conceptual structure of a PRECIS index entry is "Two-Line-Three-Part". The 'Two-Line' refers to the physical arrangement on the page, and 'Three-Part' relates to the functional roles or positions of the terms derived from the PRECIS string syntax which are presented in this two-line format (Lead, Qualifier, and Display).

Format Description	Match with PRECIS Output
One-Line-Two-Part	Does not typically represent the standard detailed context display of PRECIS.
Two-Line-One-Part	Does not capture the separation of terms into distinct roles/parts (Lead, Qualifier, Display).
Two-Line Two-Part	Closer, as it's two lines, but the standard conceptual breakdown and output structure is better described in terms of presenting three distinct functional areas or parts derived from the string.
Two-Line-Three-Part	Accurately reflects the typical visual layout (two lines) and the conceptual organization into Lead, Qualifier, and Display parts presented within that layout.

Based on the structure and display characteristics of PRECIS index entries, the format followed is Two-Line-Three-Part.

Revision Table: Key PRECIS Concepts

Concept	Description
PRECIS	Preserved Context Index System. A subject indexing system.
Index String	A structured sequence of terms representing the subject, created using roles and operators.
Index Entry	The output generated from the string for inclusion in the index.
Entry Format	The visual layout of the index entry, typically Two-Line-Three-Part.
Lead Term	The main term the entry is filed under (starts the first line).
Qualifier Term	Contextual term following the Lead term on the first line.
Display Term(s)	Term(s) providing additional context, typically on the second line.

Additional Information on PRECIS Indexing

PRECIS was innovative because it was one of the first indexing systems designed specifically for computer manipulation to generate context-rich index entries automatically. The system relies heavily on the role operators assigned to terms during the analysis phase, which dictate how the terms will be arranged in the final index entries.

While PRECIS was widely used by the British National Bibliography and other indexing services, its complexity in assigning roles and operators led to its eventual decline in favour of simpler systems or automated indexing techniques. However, its contribution to the theory of subject indexing and the concept of context preservation remains significant in library and information science.