2043 search results - page 153 / 409 » The Limits of Querying Ontologies |
IDEAS
2009
IEEE
13 years 6 months ago
2009
IEEE
We consider the class of database programs and address the problem of minimizing the cost of their exchanges with the database server. This cost partly consists of query execution...
ICDE
2012
IEEE
11 years 11 months ago
2012
IEEE
— XML is commonly supported by SQL database systems. However, existing mappings of XML to tables can only deliver satisfactory query performance for limited use cases. In this pa...
EDBT
2009
ACM
14 years 1 months ago
2009
ACM
Data provenance is essential in applications such as scientific computing, curated databases, and data warehouses. Several systems have been developed that provide provenance fun...
BIRTHDAY
2010
Springer
13 years 9 months ago
2010
Springer
Abstract. Current peer-to-peer (p2p) systems place the burden of application-level query execution on the application developer. Not only do application developers lack the experti...
ALT
2004
Springer
14 years 6 months ago
2004
Springer
Different formal learning models address different aspects of learning. Below we compare learning via queries—interpreting learning as a one-shot process in which the learner i...