Tree pattern queries (TPQs) provide a natural and easy formalism to query tree-structured XML data, and the efficient processing of such queries has attracted a lot of attention. ...
The window query model is widely used in data stream management systems where the focus of a continuous query is limited to a set of the most recent tuples. In this dissertation, ...
Lazy DFA (Deterministic Finite Automata) approach has been recently proposed to for efficient XML stream data processing. This paper discusses the drawbacks of the approach, sugge...