Towards a Semantic Event Service for Distributed Active Database Applications. - Christine Collet; Genoveva Vargas-Solar; Helena Grazziotin-Ribeiro (DEXA, 1998)

Behavior of Active Rules within Multi-Database Systems. - Helena Grazziotin-Ribeiro; Christine Collet (SBBD, 1999)

Open Active Services for Data-Intensive Distributed Applications. - Christine Collet; Genoveva Vargas-Solar; Helena Grazziotin-Ribeiro (IDEAS, 2000)

Active Services for Federated Databases. - Genoveva Vargas-Solar; Christine Collet; Helena Grazziotin-Ribeiro (SAC (1), 2000)