to the query, while may-be tuples are those that may or may not qualify as the answers. With the tuple membership attribute, our model effectively allows a query to return tuples with a full range of certainty. As a result, only a single result set is needed. There are also some major differences between the probabilistic partial value approach by Tseng et al and ours. ... we describe the Dempster- Shafer approach of representing and manipulating uncertain information, and introduceanbsp;...
|Title||:||Proceedings, the 10th International Conference on Data Engineering|
|Author||:||IEEE Computer Society. Technical Committee on Data Engineering|
|Publisher||:||IEEE Computer Society - 1994-04|