Tree Pattern Aggregation for Scalable XML Data Dissemination

Chan, Fan, Felber, Garoofalakis, Rastogi

databases xml publish subscribe pub/sub filter dissemination aggregation

@inproceedings{chan-vldb2002,
  author = {Chee-yong Chan and Wenfei Fan and Pascal Felber Ý and
            Minos Garofalakis and Rajeev Rastogi},
  title = {Tree Pattern Aggregation for Scalable XML Data Dissemination},
  booktitle = {28th International Conference on Very Large Databases},
  address={Hong Kong, China}
  year = {2002},
  pages = {826--837}
}

Goals: Aggregate consumer subscriptions to reduce storage space and processing time while minimizing loss in precision (false positives)

• Filters described using tree patterns, a subset of XPath