"Utilities | Methods Commons: Building LLMs-Powered Apps with OPL Stack"

Periklis Papanikolaou

Hatched by Periklis Papanikolaou

Aug 22, 2023

4 min read

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"Utilities | Methods Commons: Building LLMs-Powered Apps with OPL Stack"

Introduction:

In the world of natural language processing and text analysis, various tools and resources have emerged to aid developers and researchers in their work. This article explores two different topics – the Glasgow Stop Words list and the OPL Stack (OpenAI, Pinecone, and Langchain) for building apps powered by LLMs (Language Models).

The Glasgow Stop Words List:

The Glasgow Stop Words list, developed by the Information Retrieval Group at the University of Glasgow, is a commonly used stop list in text analysis. It serves as a tool to filter out commonly occurring words that do not carry significant meaning in a given context.

The TAPoR and Voyant toolsets utilize a modified version of the Glasgow Stop Words list. The modifications include the addition of numeric characters, punctuation, other text symbols, individual letters, and the removal of specific words such as 'top,' 'sincere,' and 'beyond.' The flexibility of this list allows users to apply or ignore it based on their specific needs. For example, in a search for common phrases, retaining stop words may be beneficial, while filtering them out can be advantageous when searching for the top words.

Building LLMs-Powered Apps with OPL Stack:

The OPL Stack, consisting of OpenAI, Pinecone, and Langchain, has emerged as an industry solution for addressing the limitations of LLMs. LLMs, such as chatGPT, often exhibit two major limitations – hallucination and limited knowledge.

LLMs tend to provide wrong answers with overconfidence, a phenomenon known as hallucination. This issue arises because LLMs are trained to predict the next word or token effectively. While chatGPT may return words with high probability, it does not guarantee reasoning ability.

Furthermore, the training data for chatGPT is limited to internet data prior to Sep 2021. This limitation results in less desirable answers when questions pertain to recent trends or topics.

To overcome these limitations, developers can leverage the OPL Stack to build chatGPT models with domain knowledge. One such example is the app chatOutside, which consists of two primary sections – chatGPT and chatOutside.

The chatGPT section allows users to engage in a Q&A-style conversation with the model. Users input a single query, and chatGPT provides a corresponding response. On the other hand, the chatOutside section resembles a chatbot-style interaction, where the conversation is recorded as it progresses. In this section, chatGPT is equipped with expert knowledge of outdoor activities and trends, allowing for more tailored and informed responses.

Incorporating Unique Ideas and Insights:

While the aforementioned topics provide valuable information, it is important to explore unique insights and ideas to enhance the understanding and application of the concepts discussed.

One possible insight is the potential integration of the Glasgow Stop Words list into the OPL Stack. By filtering out common and less meaningful words, the accuracy and relevance of the chatGPT responses can be improved. This integration can be achieved by preprocessing the input text before it is utilized by the LLM.

Actionable Advice:

  1. When utilizing the Glasgow Stop Words list, carefully consider the specific context and objectives of your analysis. Retaining or filtering out stop words can significantly impact the results and insights derived from your text analysis.

  2. When building LLMs-powered apps using the OPL Stack, be mindful of the limitations of LLMs, such as hallucination and limited knowledge. Implement strategies to address these limitations, such as incorporating domain-specific knowledge or integrating external resources.

  3. To enhance the accuracy and relevance of LLM outputs, consider preprocessing the input text by utilizing resources like the Glasgow Stop Words list. By removing less meaningful words, you can improve the overall quality of the model's responses.

Conclusion:

In conclusion, the Glasgow Stop Words list and the OPL Stack provide valuable utilities and methods for text analysis and building LLMs-powered apps. By understanding the nuances of stop words and leveraging the OPL Stack's capabilities, developers and researchers can overcome the limitations of LLMs and create more accurate and informed language models. Remember to tailor your approach based on specific needs, consider integration possibilities, and preprocess the input text for optimal results.

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