Text Analytics

Detect sentiment, key phrases, and language from your text

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Analyze text on the edge, on premises, and in the cloud using containers. Learn more

Extract information from your text

Use the demo below to experiment with the Text Analytics API. Pick one of our examples or provide your own. Identify the language, sentiment, key phrases, and entities (Preview) of your text by clicking "Analyze".

Languages:	English (confidence: 100 %)
Key phrases:	Seattle, wonderful trip, Space Needle
Sentiment:	98 %
Linked Entities (Preview):	I had a wonderful trip to Seattle and enjoyed seeing the Space Needle!

{
  "languageDetection": {
    "documents": [
      {
        "id": "d6f7c808-edda-4bdf-852d-e6434317c8f4",
        "detectedLanguages": [
          {
            "name": "English",
            "iso6391Name": "en",
            "score": 1.0
          }
        ]
      }
    ],
    "errors": []
  },
  "keyPhrases": {
    "documents": [
      {
        "id": "d6f7c808-edda-4bdf-852d-e6434317c8f4",
        "keyPhrases": [
          "Seattle",
          "wonderful trip",
          "Space Needle"
        ]
      }
    ],
    "errors": []
  },
  "sentiment": {
    "documents": [
      {
        "id": "d6f7c808-edda-4bdf-852d-e6434317c8f4",
        "score": 0.97037649154663086
      }
    ],
    "errors": []
  },
  "entities": {
    "documents": [
      {
        "id": "d6f7c808-edda-4bdf-852d-e6434317c8f4",
        "entities": [
          {
            "name": "Space Needle",
            "matches": [
              {
                "text": "the Space Needle",
                "offset": 53,
                "length": 16
              }
            ],
            "wikipediaLanguage": "en",
            "wikipediaId": "Space Needle",
            "wikipediaUrl": "https://en.wikipedia.org/wiki/Space_Needle",
            "bingId": "f8dd5b08-206d-2554-6e4a-893f51f4de7e"
          },
          {
            "name": "Seattle",
            "matches": [
              {
                "text": "Seattle",
                "offset": 26,
                "length": 7
              }
            ],
            "wikipediaLanguage": "en",
            "wikipediaId": "Seattle",
            "wikipediaUrl": "https://en.wikipedia.org/wiki/Seattle",
            "bingId": "5fbba6b8-85e1-4d41-9444-d9055436e473"
          }
        ]
      }
    ],
    "errors": []
  }
}

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Documentation

Sentiment analysis

The API returns a numeric score between 0 and 1. Scores close to 1 indicate positive sentiment, and scores close to 0 indicate negative sentiment. Sentiment score is generated using classification techniques. The input features of the classifier include n-grams, features generated from part-of-speech tags, and word embeddings. It is supported in a variety of languages.

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Key phrase extraction

The API returns a list of strings denoting the key talking points in the input text.

We employ techniques from Microsoft Office's sophisticated Natural Language Processing toolkit. English, German, Spanish, and Japanese text are supported.

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Language detection

The API returns the detected language and a numeric score between 0 and 1. Scores close to 1 indicate 100% certainty that the identified language is true. A total of 120 languages are supported.

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Identify entities in your text ^Preview

Detect all named entities in the text, such as organizations, people, and locations, and more. Entity Linking disambiguates distinct entities by associating text to additional information on the web. For example, use it to determine whether a term such as “times” refers to “The New York Times” or “Times Square.”

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"We found Cognitive Services to be the missing piece in the equation, the one that we needed to bring this solution to market and really revolutionize the way people look at video"

Katie McCann: Vice President of Product and Engineering | Prism Skylabs

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Resources

Custom Vision ^PREVIEW

Easily customize your own state-of-the-art computer vision models for your unique use case

Speaker Recognition ^PREVIEW

Use speech to identify and verify individual speakers

Bing Local Business Search ^PREVIEW

Retrieve local business search results for a place of interest

QnA Maker

Distill information into conversational, easy-to-navigate answers

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Text Analytics

Detect sentiment, key phrases, and language from your text