2010 IEEE International Conference on Data Mining Workshops (2010)
Dec. 13, 2010 to Dec. 13, 2010
In this paper, we put forward our approach for answering aggregated queries over imprecise data using domain specific taxonomies. A new concept we call the weighted hierarchical hyper graph has been introduced, which helps in answering aggregated queries when dealing with imprecise databases. We assume that the existence of a knowledge base is permanent and independent of the imprecision in the database. We use this concept to build a temporary database known as the extended database and use the extended database to build the marginal database, which efficiently answers aggregated queries over an imprecise data.
imprecise data handling, taxonomy, weighted hierarchical hypergraph, aggregated querying
A. Roy, R. A. Angryk and C. Sarkar, "Using Taxonomies to Perform Aggregated Querying over Imprecise Data," 2010 IEEE International Conference on Data Mining Workshops(ICDMW), Sydney, Australia, 2010, pp. 989-996.