Sciweavers

1268 search results - page 42 / 254
» On database query languages for K-relations
Sort
View
IJCSA
2008
126views more  IJCSA 2008»
13 years 7 months ago
The GOQL Language and its Formal Specifications
The Graphical Object Query Language (GOQL) is a graphical query language that complies with the ODMG standard and runs on top of the o2 DBMS. The language provides users with the ...
Euclid Keramopoulos, Philippos Pouyioutas, Tasos P...
PVLDB
2008
136views more  PVLDB 2008»
13 years 7 months ago
Keyword query cleaning
Unlike traditional database queries, keyword queries do not adhere to predefined syntax and are often dirty with irrelevant words from natural languages. This makes accurate and e...
Ken Q. Pu, Xiaohui Yu
COMAD
2009
13 years 8 months ago
TRANS: Schema-Aware Mapping of OWL Ontologies into Relational Databases
An ontology is an explicit specification of shared conceptualization. The Web Ontology Language (OWL) is a family of knowledge representation languages for authoring ontologies, a...
Saurabh Kejriwal, N. S. Narayanaswamy
ICDE
1998
IEEE
104views Database» more  ICDE 1998»
14 years 9 months ago
Representing and Querying Changes in Semistructured Data
Semistructured data may be irregular and incomplete and does not necessarily conform to a fixed schema. As with structured data, it is often desirable to maintain a history of cha...
Sudarshan S. Chawathe, Serge Abiteboul, Jennifer W...
PODS
2003
ACM
135views Database» more  PODS 2003»
14 years 7 months ago
Query-preserving watermarking of relational databases and XML documents
Watermarking allows robust and unobtrusive insertion of information in a digital document. Very recently, techniques have been proposed for watermarking relational databases or XM...
David Gross-Amblard