2859 search results - page 75 / 572 » Querying Complex Structured Databases |
ICDE
2011
IEEE
12 years 11 months ago
2011
IEEE
— SQL is a classical and powerful tool for querying relational databases. However, it is rather hard for inexperienced users to pose SQL queries, as they are required to be pro...
ODBIS
2007
Springer
14 years 2 months ago
2007
Springer
Supporting SPARQL queries over relational databases becomes an active topic recently. However, it has not received enough consideration when SPARQL queries include restrictions on...
ICDT
2012
ACM
11 years 10 months ago
2012
ACM
A universal model of a database D and a set Σ of integrity constraints is a database that extends D, satisfies Σ, and is most general in the sense that it contains sound and co...
HIM
1997
Springer
14 years 6 days ago
1997
Springer
Classical retrieval models support content-oriented searching for documents using a set of words as data model. However, in hypertext and database applications we want to consider...
AGTIVE
2007
Springer
13 years 10 months ago
2007
Springer
Abstract. The DRAGOS database eases the development of graphbased applications by providing a uniform graph-oriented data storage facility. In this paper, we extend the existing da...