293 search results - page 6 / 59 » Efficiently Querying Relational Databases Using OWL and SWRL |
CNL
2009
13 years 8 months ago
2009
Abstract. As it is well-known, querying and managing structured data in natural language is a challenging task due to its ambiguity (syntactic and semantic) and its expressiveness....
WAIM
2004
Springer
14 years 10 days ago
2004
Springer
A top-N selection query against a relation is to find the N tuples that satisfy the query condition the best but not necessarily completely. In this paper, we propose a new method ...
DEXAW
2007
IEEE
13 years 11 months ago
2007
IEEE
The vision of the Semantic Web is to make Web content machine-readable. To describe data, the Resource Description Framework has been extended with a schema-level and description ...
SIGMOD
2009
ACM
14 years 7 months ago
2009
ACM
Enabling keyword queries over relational databases (KQDB) benefits a large population of users who have difficulty in understanding the database schema or using SQLs. However, sin...
SIGMOD
2009
ACM
14 years 7 months ago
2009
ACM
Existing keyword-search systems in relational databases require users to submit a complete query to compute answers. Often users feel "left in the dark" when they have l...