Open Dover is a webservice that allows you to add sentiment to any text, document, article, webpage - you name it. You can build any application and make it connect to Open Dover, the possibilities are limitless.

  • Add sentiment tags to your content in minutes
  • Java based webservice for cross-platform compatibility
  • Powerful servers ensuring fast return of semantic content
  • Unique knowledge base of opinion words, domain-related words and intensifiers extracted from hundreds of thousands of opinion-related texts;
  • diverse expression of opinion words/phrases: adjectives, nouns, verbs (both explicit and implicit);
  • Automatic recognition of context dependent and context independent opinion words;
  • Automatic disambiguation of opinion and domain-related words;
  • Representation of opinion and domain-related words in their relationship (i.e. “part of”, “kind of”, “association”);
  • Automatic recognition and categorization of texts;
  • Evaluation of an arbitrary text according to the recognized domains in the text


Do you want to use Open Dover to add sentiment to your content?
Get started now!

Want to know more about Open Dover? You can find technical details on our
Developer site

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