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# Glossary

This is a collection of terminology commonly used when developing LLM applications. It contains reference to external papers or sources where the concept was first introduced, as well as to places in LangChain where the concept is used.

## Chain of Thought Prompting

A prompting technique used to encourage the model to generate a series of intermediate reasoning steps. A less formal way to induce this behavior is to include “Let’s think step-by-step” in the prompt.

Resources:

- Chain-of-Thought Paper

- Step-by-Step Paper

## Action Plan Generation

A prompt usage that uses a language model to generate actions to take. The results of these actions can then be fed back into the language model to generate a subsequent action.

Resources:

- WebGPT Paper

- SayCan Paper

## ReAct Prompting

A prompting technique that combines Chain-of-Thought prompting with action plan generation. This induces the to model to think about what action to take, then take it.

Resources:

- Paper

- LangChain Example

## Self-ask

A prompting method that builds on top of chain-of-thought prompting. In this method, the model explicitly asks itself follow-up questions, which are then answered by an external search engine.

Resources:

- Paper

- LangChain Example

## Prompt Chaining

Combining multiple LLM calls together, with the output of one-step being the input to the next.

Resources:

- PromptChainer Paper

- Language Model Cascades

- ICE Primer Book

- Socratic Models

## Memetic Proxy

Encouraging the LLM to respond in a certain way framing the discussion in a context that the model knows of and that will result in that type of response. For example, as a conversation between a student and a teacher.

Resources:

- Paper

## Self Consistency

A decoding strategy that samples a diverse set of reasoning paths and then selects the most consistent answer. Is most effective when combined with Chain-of-thought prompting.

Resources:

- Paper

## Inception

Also called “First Person Instruction”. Encouraging the model to think a certain way by including the start of the model’s response in the prompt.

Resources:

- Example

## MemPrompt

MemPrompt maintains a memory of errors and user feedback, and uses them to prevent repetition of mistakes.

Resources:

- Paper