2859 search results - page 49 / 572 » Querying Complex Structured Databases |
ADC
1994
Springer
14 years 2 days ago
1994
Springer
We present a proposed query language for extended entity relationship schemas. The language improves on previous proposals by using only concepts explicitly in a given schema. It ...
EDBT
2008
ACM
14 years 8 months ago
2008
ACM
In the classical database world, information access has been based on a paradigm that involves structured, schema-aware, queries and tabular answers. In the current environment, h...
VLDB
2002
ACM
13 years 7 months ago
2002
ACM
Structurally recursive XML queries are an important query class that follows the structure of XML data. At present, it is difficult for XQuery to type and optimize structurally re...
PPDP
2010
Springer
13 years 6 months ago
2010
Springer
This paperdescribes the use of a powerful graph query language for querying programs, and a novel combination of transformations for generating efficient implementations of the q...
ESA
2004
Springer
13 years 11 months ago
2004
Springer
The ability to represent and query continuously moving objects is important in many applications of spatio-temporal database systems. In this paper we develop data structures for ...