Date Added: Dec 2011
This paper consists of answering a query on the XML database. In this the authors consider that the searching is done by using the context driven techniques and the usage the algorithm as sort merge algorithm. In which first, they determine the relation between different unified entities. The unified entity in the sense, the set of elements consisting of parents and its children. In this the searching process is done in a folder. In this first they find the xml files and next search the unified entities in the selected xml file according to the given context, which is applicable for structured and semi structured database. They can evaluate the recall and precision and determine the probability.