Prediction Guard는 민감한 데이터를 보호하고, 일반적인 AI 오작동을 방지하며, 저렴한 하드웨어에서 실행되는 안전하고 확장 가능한 GenAI 플랫폼입니다.

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Overview

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Integration details

이 integration은 LangChain과 함께 Prediction Guard embeddings integration을 사용하는 방법을 보여줍니다. 이 integration은 텍스트와 이미지를 개별적으로 또는 매칭된 쌍으로 함께 지원합니다.

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Setup

Prediction Guard 모델에 액세스하려면 여기에서 문의하여 Prediction Guard API key를 받고 시작하세요.

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Credentials

key를 받으면 다음과 같이 설정할 수 있습니다 
import os

os.environ["PREDICTIONGUARD_API_KEY"] = "<Prediction Guard API Key"

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Installation

pip install -qU langchain-predictionguard

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Instantiation

먼저 Prediction Guard와 LangChain 패키지를 설치합니다. 그런 다음 필요한 환경 변수를 설정하고 패키지 import를 설정합니다. 
from langchain_predictionguard import PredictionGuardEmbeddings

embeddings = PredictionGuardEmbeddings(model="bridgetower-large-itm-mlm-itc")
Prediction Guard embeddings 생성은 텍스트와 이미지를 모두 지원합니다. 이 integration은 다양한 함수에 걸쳐 해당 지원을 포함합니다.

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Indexing and Retrieval

# Create a vector store with a sample text
from langchain_core.vectorstores import InMemoryVectorStore

text = "LangChain is the framework for building context-aware reasoning applications."

vectorstore = InMemoryVectorStore.from_texts(
    [text],
    embedding=embeddings,
)

# Use the vectorstore as a retriever
retriever = vectorstore.as_retriever()

# Retrieve the most similar text
retrieved_documents = retriever.invoke("What is LangChain?")

# Show the retrieved document's content
retrieved_documents[0].page_content

'LangChain is the framework for building context-aware reasoning applications.'

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Direct Usage

vectorstore와 retriever 구현은 embeddings.embed_documents(...)와 embeddings.embed_query(...)를 호출하여 from_texts 및 retrieval invoke 작업에 사용되는 텍스트로부터 embeddings를 생성합니다. 이러한 메서드는 다음 명령으로 직접 호출할 수 있습니다.

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Embed single texts

# Embedding a single string
text = "This is an embedding example."
single_vector = embeddings.embed_query(text)

single_vector[:5]

[0.01456777285784483,
 -0.08131945133209229,
 -0.013045587576925755,
 -0.09488929063081741,
 -0.003087474964559078]

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Embed multiple texts

# Embedding multiple strings
docs = [
    "This is an embedding example.",
    "This is another embedding example.",
]

two_vectors = embeddings.embed_documents(docs)

for vector in two_vectors:
    print(vector[:5])

[0.01456777285784483, -0.08131945133209229, -0.013045587576925755, -0.09488929063081741, -0.003087474964559078]
[-0.0015021917643025517, -0.08883760124444962, -0.0025286630261689425, -0.1052245944738388, 0.014225339516997337]

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Embed single images

# Embedding a single image. These functions accept image URLs, image files, data URIs, and base64 encoded strings.
image = [
    "https://farm4.staticflickr.com/3300/3497460990_11dfb95dd1_z.jpg",
]
single_vector = embeddings.embed_images(image)

print(single_vector[0][:5])

[0.0911610797047615, -0.034427884966135025, 0.007927080616354942, -0.03500846028327942, 0.022317267954349518]

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Embed multiple images

# Embedding multiple images
images = [
    "https://fastly.picsum.photos/id/866/200/300.jpg?hmac=rcadCENKh4rD6MAp6V_ma-AyWv641M4iiOpe1RyFHeI",
    "https://farm4.staticflickr.com/3300/3497460990_11dfb95dd1_z.jpg",
]

two_vectors = embeddings.embed_images(images)

for vector in two_vectors:
    print(vector[:5])

[0.1593627631664276, -0.03636132553219795, -0.013229663483798504, -0.08789524435997009, 0.062290553003549576]
[0.0911610797047615, -0.034427884966135025, 0.007927080616354942, -0.03500846028327942, 0.022317267954349518]

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Embed single text-image pairs

# Embedding a single text-image pair
inputs = [
    {
        "text": "This is an embedding example.",
        "image": "https://farm4.staticflickr.com/3300/3497460990_11dfb95dd1_z.jpg",
    },
]
single_vector = embeddings.embed_image_text(inputs)

print(single_vector[0][:5])

[0.0363212488591671, -0.10172265768051147, -0.014760786667466164, -0.046511903405189514, 0.03860781341791153]

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Embed multiple text-image pairs

# Embedding multiple text-image pairs
inputs = [
    {
        "text": "This is an embedding example.",
        "image": "https://fastly.picsum.photos/id/866/200/300.jpg?hmac=rcadCENKh4rD6MAp6V_ma-AyWv641M4iiOpe1RyFHeI",
    },
    {
        "text": "This is another embedding example.",
        "image": "https://farm4.staticflickr.com/3300/3497460990_11dfb95dd1_z.jpg",
    },
]
two_vectors = embeddings.embed_image_text(inputs)

for vector in two_vectors:
    print(vector[:5])

[0.11867266893386841, -0.05898813530802727, -0.026179173961281776, -0.10747235268354416, 0.07684746384620667]
[0.026654226705431938, -0.10080841928720474, -0.012732953764498234, -0.04365091398358345, 0.036743905395269394]

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API reference

모든 PredictionGuardEmbeddings 기능 및 구성에 대한 자세한 문서는 API reference를 확인하세요: python.langchain.com/api_reference/community/embeddings/langchain_community.embeddings.predictionguard.PredictionGuardEmbeddings.html
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