Deepfake Digest
Hi there. Welcome to the sixth issue of Deepfake Digest. DeepFake Digest is where we cover news on A.I., deepfakes, and other aspects of this emerging technology.
Prompt 6
Token:
The word of the day is few-shot learning (FSL). This methodology for artificial intelligence attempts to emulate the way humans learn by providing the learning model with a few examples or shots of labeled data for a task to perform that new task.
Sentiment:
Build evals and kickstart a data flywheel... Evals aren't just standalone test... they're part of a bigger process. — Harrison Chase
This is an excerpt from a tweet from LangChain founder and CEO Harrison Chase . The context being Chase providing his commentary on an O'Reilly Report about evaluation methods which are grading methodologies for the outputs of learning models. Chase is positioning his tweet to express that proper feedback for models are required for efficient and effective model performance.
A.P.I.
LangChain is a Python Coding library that simplifies the process of building applications with large language models (LLMs) like GPT-3. It provides a set of abstractions and utilities to make it easier to interact with LLMs, manage data, and build complex AI workflows.
Here's an example of using LangChain to build a simple question-answering application:
领英推荐
from langchain.llms import OpenAI
from langchain.chains import RetrievalQA
from langchain.document_loaders import TextLoader
from langchain.indexes import VectorstoreIndexCreator
# Load documents
loader = TextLoader('path/to/documents.txt')
documents = loader.load()
# Create a vector store index
index = VectorstoreIndexCreator().from_loaders([loader])
# Initialize the LLM
llm = OpenAI(temperature=0)
# Create the question-answering chain
qa = RetrievalQA.from_chain_type(llm=llm, chain_type="stuff", retriever=index.vectorstore.as_retriever())
# Ask a question
query = "What is the capital of France?"
result = qa.run(query)
print(result)
The Machine is Learning
Weight Distribution Imbalance:
When fine-tuning a pre-trained model on a new dataset, the model's weights are updated to adapt to the new task. However, if the new dataset is significantly different from the original training data, or if it is relatively small, the weight updates can become imbalanced or skewed towards the new data.
This weight distribution imbalance can cause the model to overfit to the new dataset, meaning it learns the patterns in the training data too well, including the noise and outliers. As a result, the model may perform exceptionally well on the training data but fail to generalize to new, unseen data, leading to poor performance on the actual task.
Emergent Behavior
Agentic workflows refer to a collaborative approach where multiple specialized AI agents work together to accomplish complex tasks. Each agent is designed with specific capabilities and roles, allowing them to leverage their strengths and collectively achieve more than a single AI system could alone.
A potential use case where agents can be applied is Business Process Automation: Agentic workflows can streamline and optimize complex business processes by coordinating agents for data collection, analysis, decision-making, and task execution.
Chatbot:
Can agents be created or trained directly from structured data sources like spreadsheets or databases, without relying solely on pre-trained language models or manually curated datasets?