591 search results - page 53 / 119 » The complexity of XPath query evaluation |
ICDE
2001
IEEE
14 years 10 months ago
2001
IEEE
We investigate query routing techniques in a cluster of databases for a query-dominant environment. The objective is to decrease query response time. Each component of the cluster...
ICDE
2003
IEEE
14 years 10 months ago
2003
IEEE
This paper presents SPEX, a streamed and progressive evaluation of regular path expressions with XPath-like qualifiers against XML streams. SPEX proceeds as follows. An expression...
EDBT
2006
ACM
14 years 8 months ago
2006
ACM
Navigational queries on Web-accessible life science sources pose unique query optimization challenges. The objects in these sources are interconnected to objects in other sources, ...
ITICSE
2004
ACM
14 years 2 months ago
2004
ACM
SQL (Structured Query Language) is one of the essential topics in foundation databases courses in higher education. Due to its apparent simple syntax, learning to use the full pow...
CSL
2003
Springer
14 years 1 months ago
2003
Springer
Abstract. We study the succinctness of monadic second-order logic and a variety of monadic fixed point logics on trees. All these languages are known to have the same expressive p...