1487 search results - page 1 / 298 » Representing and Querying Data Transformations |
ICDE
2005
IEEE
14 years 6 months ago
2005
IEEE
Modern information systems often store data that has been transformed and integrated from a variety of sources. This integration may obscure the original source semantics of data ...
ESWS
2009
Springer
13 years 11 months ago
2009
Springer
As social networks are becoming ubiquitous on the Web, the Semantic Web goals indicate that it is critical to have a standard model allowing exchange, interoperability, transformat...
AMW
2011
12 years 8 months ago
2011
Abstract. Social Network (SN) data has become ubiquitous, demanding advanced and flexible means to represent, transform and query such data. In addition to the intrinsic challenge...
GEOS
2009
Springer
13 years 9 months ago
2009
Springer
Abstract. Often the information present in a spatial knowledge base is represented at a different level of granularity and abstraction than the query constraints. For querying onto...
ICDE
1998
IEEE
14 years 6 months ago
1998
IEEE
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...