41 search results - page 3 / 9 » Extending Graph Query Languages by Reduction |
SIGMOD
2005
ACM
14 years 1 months ago
2005
ACM
Recursion represents an important addition to the SQL language. This work focuses on the optimization of linear requeries in SQL. To provide an abstract framework for discussion, ...
EDBTW
2006
Springer
13 years 11 months ago
2006
Springer
Abstract. In recent times, the proliferation of spatial data on the Internet is beginning to allow a much larger audience to access and share data currently available in various Ge...
ICDT
2010
ACM
14 years 4 months ago
2010
ACM
We consider a fragment of XPath named `forward-XPath', which contains all descendant and rightwards sibling axes as well as data equality and inequality tests. The satisfiabi...
DAGSTUHL
2001
13 years 8 months ago
2001
GXL (Graph eXchange Language) is designed to be a standard exchange format for graph-based tools. GXL is defined as an XML sublanguage, which offers support for exchanging instanc...
PGLDB
2003
13 years 8 months ago
2003
Learning Content Management Systems (LCMS) supports e-learning applications with storage and efficient access for e-learning objects (LO)s. ROSA is a LCMS built as a semantic laye...