The Importance of Context in Language and AI
Everything in life revolves around context. The meaning of a word, a phrase, or even an entire conversation shifts dramatically depending on the surrounding circumstances. As humans, we are masters of contextual understanding. We inherently apply our biases, our life experiences, and our understanding of the world to every situation we encounter, often subconsciously. This allows us to interpret the same word, phrase, or event in completely different ways. For example, the word "bank" can refer to a financial institution, the edge of a river, or even a group of batteries, depending on the context. This inherent ability to understand and apply context is a cornerstone of human reasoning. To truly mirror human intelligence, AI systems, particularly Language Models (LLMs), must also be able to grasp and leverage context.
The Challenge of Context for LLMs
Traditional LLMs excel at generating text, translating languages, and writing different kinds of creative content. However, they often struggle with nuanced situations and the subtle shifts in meaning that context demands. They may provide factually correct but irrelevant or even nonsensical responses if not given the proper context.For instance, if you ask an LLM "What is the best time to go to the bank?", it might provide a generic answer like "During business hours." However, a human would consider factors like the purpose of the visit (deposit, withdrawal, loan application), the bank's location, and even the time of year (tax season) to provide a more relevant and helpful response.
Building Contextual Language Models
To overcome these limitations, we need to build Contextual Language Models (CLMs). These systems go beyond simply processing text; they aim to understand and incorporate the specific details of a situation. This involves:
- Capturing Context: The first step is to effectively capture and represent the context of a given situation. This can be achieved through various techniques, such as:
- Contextualized Embeddings: These embeddings represent words or phrases based on their surrounding context within a specific piece of text. This allows the LLM to understand how the meaning of a word changes depending on its position and the words around it.
- Knowledge Graphs: These structured representations of information connect entities and their relationships. By integrating knowledge graphs into the LLM pipeline, we can not only ground the model, but provide it with a broader understanding of the world and the relationships between different concepts.
- Systems Approach: Building a CLM requires a holistic approach. Instead of relying solely on the LLM itself, we need to construct an entire system around it. This system should:
- Gather and process relevant information: This could involve collecting data from various sources, such as user profiles and preferences, historical interactions, and external knowledge bases.
- Represent context effectively: The system should capture and effectively translate contextual information into a format that the LLM can understand and utilize.
- Provide feedback mechanisms: Continuous feedback loops are crucial to refine the system and improve its ability to understand and respond to context.
Systems Think
Training an LLM on every possible contextual scenario is practically impossible. The sheer volume and diversity of human experiences and interactions are simply too vast. Therefore, instead of trying to anticipate every possible situation, we need to build a system that can dynamically adapt to new contexts and learn from its interactions with the real world. Context is the key to human intelligence, and it will be equally crucial for the development of truly intelligent AI systems. By embracing a systems approach and leveraging techniques like contextualized embeddings and knowledge graphs, we can build CLMs that are better equipped to understand and respond to the complexities of the real world. This will not only improve the accuracy and relevance of AI-powered applications but also enhance our ability to interact with and benefit from these powerful technologies.
Aileen Sorio
GenAI Evangelist @ Technicity