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Infusing LLMs Knowledge into Neuro-Symbolic Activity Recognition Models: ContextGPT Study

Core Concepts
ContextGPT proposes a novel prompt engineering approach to infuse common-sense knowledge from Large Language Models (LLMs) into Neuro-Symbolic models for effective recognition rates in data scarcity scenarios.
ContextGPT introduces a novel approach to infuse common-sense knowledge from LLMs into Neuro-Symbolic models for Human Activity Recognition. The study evaluates the effectiveness of this method on two datasets, DOMINO and ExtraSensory, showcasing competitive results compared to ontology-based approaches. By varying parameters like ๐‘˜, the impact of example selection on recognition rates is analyzed, highlighting the importance of examples in improving performance in data scarcity scenarios.
Recent works show that pre-trained Large Language Models (LLMs) encode common-sense knowledge about human activities. ContextGPT proposes a novel prompt engineering approach to retrieve common-sense knowledge from LLMs. An extensive evaluation on two public datasets shows how infusing knowledge from ContextGPT leads to effective recognition rates in data scarcity scenarios. The impact of example selection on recognition rates is analyzed by varying parameters like ๐‘˜. The study compares the effectiveness of infusing LLMs knowledge with ontology-based approaches for Human Activity Recognition models.
"Context-aware Human Activity Recognition is a hot research area in mobile computing." "Neuro-Symbolic AI provides an interesting research direction to mitigate labeled data scarcity." "Recent results suggest that Large Language Models can efficiently encode common-sense knowledge about human activities."

Key Insights Distilled From

by Luca Arrotta... at 03-12-2024

Deeper Inquiries

How can the use of pre-trained Large Language Models revolutionize other areas of machine learning?

Pre-trained Large Language Models (LLMs) have the potential to revolutionize various areas of machine learning by providing a powerful tool for natural language understanding and generation. Some ways in which LLMs can impact other areas include: Transfer Learning: LLMs can be fine-tuned on specific tasks with limited data, enabling transfer learning across different domains. This reduces the need for large labeled datasets for every new task. Knowledge Infusion: As seen in the context above, LLMs can encode common-sense knowledge about human activities, which can be infused into Neuro-Symbolic models to enhance their performance without manual ontology creation. Text Generation: LLMs excel at generating coherent and contextually relevant text, making them valuable for applications like chatbots, content creation, and automated writing. Semantic Understanding: By training on vast amounts of text data, LLMs develop a deep understanding of semantics and relationships between words, aiding in tasks like sentiment analysis or information retrieval.

What are the potential drawbacks or limitations of relying on LLMs for infusing knowledge into Neuro-Symbolic models?

While pre-trained Large Language Models offer significant benefits, there are also some drawbacks and limitations to consider when using them to infuse knowledge into Neuro-Symbolic models: Lack of Explicit Reasoning: LLMs operate based on statistical patterns in text data rather than explicit reasoning capabilities. This may lead to model biases or incorrect conclusions based on superficial correlations in the data. Hallucinations and Inconsistencies: Due to their generative nature, LLMs may produce hallucinated outputs or inconsistent responses that do not align with true domain constraints or logic-based reasoning. Dependency on Data Quality: The quality and bias present in the training data used for pre-training an LLM can heavily influence its performance when infusing knowledge into other models. Complex Prompt Engineering: Effectively leveraging an LLM's capabilities requires skilled prompt engineering to frame questions correctly and guide the model towards desired outcomes.

How might advancements in Natural Language Processing impact the future development of Neuro-Symbolic systems beyond activity recognition?

Advancements in Natural Language Processing (NLP) are likely to have a profound impact on shaping future developments within Neuro-Symbolic systems beyond activity recognition: Enhanced Knowledge Infusion - Improved NLP techniques could enable more accurate extraction and utilization of common-sense knowledge from textual sources such as articles, books, or online resources for infusion into Neuro-Symbolic models across diverse domains. Interpretability - Progress in NLP methods like attention mechanisms could enhance interpretability within Neuro-Symbolic systems by providing insights into how decisions are made based on input contexts and learned representations. 3 .Multimodal Integration - Advancements in multimodal NLP approaches would facilitate integrating information from multiple modalities (textual descriptions along with images or videos) into Neuro-Symbolic frameworks for richer contextual understanding. These advancements could lead to more robust and adaptable Neuro-Symbolic systems capable of handling complex real-world scenarios beyond simple activity recognition tasks through improved reasoning abilities grounded both in symbolic logic structures as well as rich linguistic representations provided by advanced NLP techniques