Evolving Tables for Better Reasoning

My Journey with Chain-of-Table

As a developer always on the lookout for exciting AI advancements, I recently stumbled upon a fascinating ICLR 2024 paper titled "Chain-of-Table: Evolving Tables in the Reasoning Chain for Table Understanding". The concept immediately grabbed my attention, and I couldn't resist diving in to implement it myself. Let me take you through my journey of bringing this innovative approach to life.

The Spark of Inspiration

The core idea behind Chain-of-Table is brilliantly simple yet powerful: instead of relying solely on textual reasoning chains, why not leverage the structured nature of tables themselves to represent intermediate thoughts? This approach allows large language models (LLMs) to dynamically plan and execute a series of table operations, effectively "evolving" the table to better answer complex questions.

Excited by the potential, I fired up Replit and got to work. Here's a glimpse into how I implemented the key components:

async def chain_of_table_reasoning(df, question):
    messages = [{
        "role": "system",
        "content": system_prompt
    }, {
        "role": "user",
        "content": f"Table:\n{df.to_string()}\n\nQuestion: {question}"
    }]

    tools = [{
        "type": "function",
        "function": {
            "name": func_name,
            "description": f"Perform {func_name} operation on the table",
            "parameters": {
                "type": "object",
                "properties": {
                    "args": {
                        "type": "object",
                        "description": f"Arguments for {func_name} operation"
                    }
                },
                "required": ["args"]
            }
        }
    } for func_name in [
        "add_col", "select_row", "select_col", "group_by", "sort_by",
        "get_table_info"
    ]]

    # ... (loop for iterative reasoning)

This function sets up the core reasoning loop, allowing the LLM to iteratively transform the table using a set of predefined operations.

Supercharging with Groq

To really push the boundaries of performance, I decided to leverage Groq's lightning-fast inference API. Their function calling feature turned out to be a game-changer for this project. The speed is truly remarkable, making the Chain-of-Table reasoning feel almost real-time.

Here's a snippet showing how I integrated Groq:

client = AsyncGroq(api_key=os.environ.get("GROQ_API_KEY"))

MODEL = "llama3-70b-8192"

# ... (in the reasoning loop)
response = await client.chat.completions.create(
    model=MODEL,
    messages=messages,
    tools=tools,
    tool_choice="auto",
)

Bringing It All Together with Gradio

To make this project accessible and interactive, I built a simple Gradio interface. This allows users to input their own tables and questions, seeing the Chain-of-Table reasoning in action. Here's a glimpse of the Gradio setup:

with gr.Blocks() as demo:
    gr.Markdown("# Chain-of-Table Reasoning")

    with gr.Row():
        with gr.Column():
            table_input = gr.TextArea(label="Input Table (CSV format)")
            upload_button = gr.UploadButton("Upload CSV", file_types=["csv"])
            upload_button.upload(lambda file: file.decode('utf-8'),
                                 upload_button, table_input)

        with gr.Column():
            question_input = gr.TextArea(label="Question")
            submit_button = gr.Button("Submit")

    output = gr.TextArea(label="Answer")

    submit_button.click(process_question,
                        inputs=[table_input, question_input],
                        outputs=output)

    gr.Examples(examples=examples, inputs=[table_input, question_input])

The Power of Open Development

One of the most exciting aspects of this project has been the ability to rapidly prototype and deploy using Replit. Their platform is truly a godsend for going from idea to MVP at lightning speed. Plus, deployment is a breeze!

What's Next?

I'm thrilled to see what the community builds with this Chain-of-Table implementation. The combination of structured table reasoning, Groq's speed, and Replit's accessibility creates a powerful foundation for innovation.

I've made a template available so you can easily get started with your own experiments. Who knows? Your next AI breakthrough might be just a few table operations away!

Remember, the world of AI moves fast, and sometimes the most exciting developments happen when we combine cutting-edge research with practical implementation. So grab that template, fire up your Replit, and let's see what amazing things we can build together!