158 search results - page 2 / 32 » Expressive languages for path queries over graph-structured ... |
ICDE
2003
IEEE
14 years 6 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...
ICEBE
2005
IEEE
13 years 10 months ago
2005
IEEE
Over a traditional Database Management System (DBMS), the answer to an aggregate query is usually much smaller than the answer to a similar nonaggregate query. Therefore, we call ...
VLDB
2001
ACM
13 years 9 months ago
2001
ACM
With the advent of XML as a standard for data representation and exchange on the Internet, storing and querying XML data becomes more and more important. Several XML query languag...
LICS
2002
IEEE
13 years 9 months ago
2002
IEEE
Monadic query languages over trees currently receive considerable interest in the database community, as the problem of selecting nodes from a tree is the most basic and widesprea...
FQAS
2009
Springer
13 years 11 months ago
2009
Springer
Abstract. Controlled languages (CLs) are ambiguity-free subsets of natural languages such as English offering a good trade-off between the formal rigor of ontology and query langua...