356 search results - page 21 / 72 » Knowledge Representation using Schema Tuple Queries |
103
Voted
EDBT
2010
ACM
14 years 11 months ago
2010
ACM
Keyword-based search in relational databases allows users to discover relevant information without knowing the database schema or using complicated queries. However, such searches...
MEDINFO
2007
14 years 11 months ago
2007
Managing time-stamped data is essential to clinical research activities and often requires the use of considerable domain knowledge, which is difficult to support within database ...
GEOS
2007
Springer
15 years 3 months ago
2007
Springer
Abstract. A Wide-Area Sensor Network (WASN) is a collection of heterogeneous sensor networks and data repositories spread over a wide geographic area. The diversity of sensor types...
100
Voted
WWW
2007
ACM
15 years 10 months ago
2007
ACM
Schema statements in OWL are interpreted quite differently from analogous statements in relational databases. If these statements are meant to be interpreted as integrity constrai...
75
Voted
PADL
2010
Springer
15 years 6 months ago
2010
Springer
Abstract. Ontologies and rules are usually loosely coupled in knowledge representation formalisms. In fact, ontologies use open-world reasoning while the leading semantics for rule...