394 search results - page 2 / 79 » An extensive math query language |
CN
1998
13 years 4 months ago
1998
XML has been proposed in order to bring to the web a markup language free of the shortcomings of HTML, in particular the inextensibility of the set of valid elements (tags). Style...
ECTEL
2006
Springer
13 years 8 months ago
2006
Springer
We propose a mediator architecture that allows a learning system to retrieve learning objects from heterogeneous repositories. A mediating component accepts queries formulated in a...
LICS
2002
IEEE
13 years 9 months ago
2002
IEEE
We study relations on trees defined by first-order constraints over a vocabulary that includes the tree extension relation Ì Ì ¼, holding if and only if every branch of Ì ex...
ICDE
1999
IEEE
14 years 6 months ago
1999
IEEE
Temporal reasoning and temporal query languages present di cult research problems of theoretical interest and practical importance. One problem is the chasm between point-based te...
ODBIS
2007
Springer
13 years 11 months ago
2007
Springer
Abstract. RDF Schema (RDFS) extends RDF with a schema vocabulary with a predefined semantics. Evaluating queries which involve this vocabulary is challenging, and there is not yet...