| Column,Description | |
| domain,"either productivity, social networking, or games." | |
| app,the app name as identified by Apple’s App Store. | |
| review_id,a unique ID assigned to each review. | |
| sentence_id,a unique ID assigned to each sentence in the review. | |
| title,the title of the review as shown in the reviews page of Apple’s App Store. | |
| review,the complete review text. | |
| sentence,the main text to classify (part of the complete review). | |
| rating,the rating stars of the review as shown in the reviews page of Apple’s App Store. | |
| is_opinion,a Boolean value indicating whether the sentence express a positive/negative opinion. | |
| category,"one of the pre-defined set of domain-specific categories that represent an aspect of the app (e.g., security, usability, etc.)." | |
| term,a term that exists in the sentence and describes an aspect of an app that is expressed by the sentiment. A term value of “N/A” means that the term is not explicitly mentioned in the sentence. | |
| from,the start index of the aspect term. | |
| to,the ending index of the aspect term. | |
| sentiment,positive or negative. |