From search engines and sentiment analysis to virtual assistants and chatbots, there are numerous areas of research within machine learning that require text annotation tools and services.

In the AI research and development industries, annotated data is gold. Large quantities of high-quality annotated data is a goldmine. There are a variety of text annotation tools and services available that can provide you with the data you need. Some of these services include entity extraction, part-of-speech tagging, sentiment analysis, and more.

What are the Best Text Annotation Tools and Services?

Read on below to find out which text annotation service or tool best fits your project.

1. Lionbridge AI

One of the veteran companies in the industry, Lionbridge has over 20 years of experience and over 500,000 expert annotators. With a specialization in linguistics, Lionbridge AI’s crowd staff, fluent in 300 different languages, can annotate your text with accuracy and a quick turnaround. The company is a trusted provider of multilingual data annotation services in the natural language processing field. Some of their text annotation services include text extraction, OCR text correction, linguistic feature tagging, linguistic component analysis, semantic search enablement, and much more. Lionbridge AI also offers custom workflows to cater to your project’s specific needs.

2. Scale

Based in San Francisco, Scale is a provider of computer vision and NLP data annotation services. Through a combination of human work and Scale’s platform, the company provides the following text annotation services: OCR transcription, text categorization, and comparison.

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