571 search results - page 38 / 115 » A New Type of Metadata for Querying Data Integration Systems |
SIGMOD
2011
ACM
12 years 10 months ago
2011
ACM
An important means of allowing non-expert end-users to pose ad hoc queries — whether over single databases or data integration systems — is through keyword search. Given a set...
BTW
2005
Springer
14 years 1 months ago
2005
Springer
: User-defined data types such as intervals require specialized access methods to be efficiently searched and queried. As database implementors cannot provide appropriate index str...
SIGMOD
2009
ACM
14 years 8 months ago
2009
ACM
Existing keyword-search systems in relational databases require users to submit a complete query to compute answers. Often users feel "left in the dark" when they have l...
CORR
2007
Springer
13 years 7 months ago
2007
Springer
Information integration applications, such as mediators or mashups, that require access to information resources currently rely on users manually discovering and integrating them ...
DEBS
2008
ACM
13 years 9 months ago
2008
ACM
We introduce a new type of query, called a real-time continuous query (RCQ), that captures the real-time requirements of processing data streams. We develop techniques to efficien...