SPACE annotation

The SPACE corpus is a large-scale benchmark for general and aspect opinion summarization. At the time of publication, it is the largest collection of human-written reference opinion summaries, as it contains 1,050 summaries including both general (high-level) and aspect-specific summaries for 6 aspects.

Its annotation was a multi-stage effort involving expert native English-speaking annotators. You can access the exact instructions given to the annotators in the links below:

Phase 1: Sentence Selection via Voting

Phase 2: Opinion Summary Collection (General)

Phase 3: Opinion Summary Collection (Aspect)