1. The CR2 directory contains the source code of CR2 with an example.
2. The 100_5.txt file, as described in Section 5.2 of the paper, contains the IDs of 100 news articles in the Signal-1M dataset. Each news article is assigned to 5 participants. For each news article and each participant, we provide a set of mentioned entities selected by the participant.
3. The 6400.txt file, as described in Section 5.3 of the paper, contains the IDs of 6400 news articles in the Signal-1M dataset. For each news article, we provide a set of mentioned entities identified by DBpedia Spotlight.