2733 search results - page 255 / 547 » The Constellation Query Language |
CORR
2007
Springer
13 years 10 months ago
2007
Springer
We address the problem of answering Web ontology queries efficiently. An ontology is formalized as a Deductive Ontology Base (DOB), a deductive database that comprises the ontology...
IS
2007
13 years 10 months ago
2007
: A number of indexing techniques have been proposed in recent times for optimizing the queries on XML and other semistructured data models. Most of the semistructured models use t...
GEOINFORMATICA
2011
13 years 5 months ago
2011
Discovery of suitable web services is a crucial task in Spatial Data Infrastructures (SDI). In this work, we develop a novel approach to the discovery of geoprocessing services (WP...
SIGMOD
2007
ACM
14 years 10 months ago
2007
ACM
This paper extends relational processing and optimization to the FISQL/FIRA languages for dynamic schema queries over multidatabases. Dynamic schema queries involve the creation a...
SIGMOD
2003
ACM
14 years 10 months ago
2003
ACM
XML databases often contain documents comprising structured text. Therefore, it is important to integrate "information retrieval style" query evaluation, which is well-s...