213 search results - page 19 / 43 » Querying Partially Sound and Complete Data Sources |
DEBU
1999
13 years 7 months ago
1999
WOL is a Horn-clause language for specifying transformations involving complex types and recursive data-structures. Its declarative syntax makes programs easy to modify in respons...
VLDB
2002
ACM
13 years 7 months ago
2002
ACM
We present a novel framework for mapping between any combination of XML and relational schemas, in which a high-level, userspecified mapping is translated into semantically meanin...
ICDE
2010
IEEE
14 years 7 months ago
2010
IEEE
Many web databases can be seen as providing partial and overlapping information about entities in the world. To answer queries effectively, we need to integrate the information abo...
EDBT
2008
ACM
14 years 7 months ago
2008
ACM
Data exchange is the problem of transforming data structured under a schema (called source) into data structured under a different schema (called target). The emphasis of data exc...
COMAD
2009
13 years 8 months ago
2009
The problem of information integration is discussed in the context of answering a query over the web. Querying the web requires that information from different web and other sourc...