Abstract. The question answering systems are considered the next generation of search engines. This paper focuses on the first step of this process, which is to search for relevant...
Many location-based applications require constant monitoring of k-nearest neighbor (k-NN) queries over moving objects within a geographic area. Existing approaches to this problem...
Distributed stream query services must simultaneously process a large number of complex, continuous queries with stringent performance requirements while utilizing distributed pro...
Sangeetha Seshadri, Bhuvan Bamba, Brian F. Cooper,...
Abstract— Checking if an SQL query has been written correctly is not an easy task. Formal verification is not applicable, since it is based on comparing a specification with an...
Abstract. Data security is well-recognized a vital issue in an information system that is supported in an outsource environment. However, most of conventional XML encryption propos...