The rapid increase of web complexity and size makes web searched results far from satisfaction in many cases due to a huge amount of information returned by search engines. How to...
This paper presents an algorithm for termination static analysis of active rules with priorities. Active rules termination is an undecidable problem. Several recent works have sugg...
Query optimizers in current database management systems (DBMS) often face problems such as intolerably long optimization time and/or poor optimization results when optimizing compl...
In e-commerce, the protection of user privacy from a server was not considered feasible until the private information retrieval (PIR) problem was stated recently. A PIR protocol a...
I n this paper, we address the problem of query processing o n distributed semi-structured data. The distributed semistructured data can be modeled as a rooted and edge-labeled gr...