XML has become the most useful standard of data interchange in the web and e-business world and there is a large amount of information stored in this format. Nonetheless, a large ...
Top-k queries are a popular type of query in Wireless Sensor Networks. Typical solutions rely on coordinated root-tonodes and nodes-to-root messages and on maintaining filters at...
Johannes Niedermayer, Mario A. Nascimento, Matthia...
A range-sum query is very popular and becomes important in finding trends and in discovering relationships between attributes in diverse database applications. It sums over the se...
Query processing in data integration occurs over network-bound, autonomous data sources. This requires extensions to traditional optimization and execution techniques for three re...
Zachary G. Ives, Daniela Florescu, Marc Friedman, ...
This paper presents a system for querying treebanks in a uniform way. The system is able to work with both dependency and constituency based treebanks in any language. We demonstr...