
For instance, some of their text annotation services include sentiment annotation, intent annotation, and named entity annotation. With a huge source of crowdworkers from various countries, Appen is a provider of numerous forms of AI training data. Some of their solutions include sentiment analysis, emotion analysis, keyword extractors, and named entity recognition. ParallelDots is a provider of numerous text annotation tools and APIs. Some of their services regarding text annotation are sentiment analysis and categorization.

Clickworkerīased in the United States and Germany, Clickworker is a crowdsourcing company that has a huge workforce able to perform a variety of tasks. Specifically, KConnect provides semantic annotation, text analysis, and semantic search services for medical information. The team at KConnect seeks to help annotators quickly and efficiently classify and annotate medical data. One problem many AI researchers and developers face is getting access to AI training data for highly specialized fields. Through a combination of human work and Scale’s platform, the company provides the following text annotation services: OCR transcription, text categorization, and comparison. Scaleīased in San Francisco, Scale is a provider of computer vision and NLP data annotation services.
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Furthermore, Lionbridge also offers a custom data annotation software that your team can license and use for a variety of text annotation projects. Some of our text annotation services include text extraction, sentiment classification, entity annotation, named entity recognition, and linguistic component analysis. With a specialization in linguistics, Lionbridge has a community of 1 million annotators fluent in over 300 languages. While the starter package is free, each package level rises in cost and has a monthly limited amount of annotations, starting from 1000 annotations a month. The LightTag text annotation tool is a platform for annotators and companies to label their text data in house. On top of the Tagtog tool, the company also has a network of expert workers from various fields that can annotate specialized texts.
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Tagtog supports native PDF annotation and includes pre-trained NER models for automatic text annotation. Tagtogīased in Poland, Tagtog is a text annotation tool that can be used to annotate text both automatically or manually. Read on below to find out which text annotation service or tool is best for your project. What Are the Best Text Annotation Tools and Services? Some of these services include entity extraction, part-of-speech tagging, sentiment analysis, and more.

Fortunately, there are a variety of text annotation tools and services available that can provide you with the data you need. On the other hand, sometimes finding or creating this data can be an expensive and arduous task for your team. Large quantities of high-quality annotated data is a goldmine. In the AI research and development industries, annotated data is gold.

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.
