2063 search results - page 167 / 413 » Containment of Aggregate Queries |
156
click to vote
CIKM
2004
Springer
15 years 10 months ago
2004
Springer
Document-centric XML collections contain text-rich documents, marked up with XML tags that add lightweight semantics to the text. Querying such collections calls for a hybrid quer...
127
click to vote
ALT
2000
Springer
15 years 9 months ago
2000
Springer
A conjunctive query problem in relational database theory is a problem to determine whether or not a tuple belongs to the answer of a conjunctive query over a database. Here, a tup...
124
click to vote
SAC
2009
ACM
15 years 11 months ago
2009
ACM
Today user-centered information acquisition over collections of complex XML documents is increasingly in demand. To this end, preferences have become an important paradigm enablin...
129
click to vote
SEMWEB
2009
Springer
15 years 11 months ago
2009
Springer
Abstract. Query answering for the QL profile of OWL 2 and a substantial fragment of the EL profile can be implemented via query rewriting. In our previous work, we presented RQR...
128
click to vote
ICCCN
2007
IEEE
15 years 11 months ago
2007
IEEE
—an interplay between mobile devices and static sensor nodes is envisioned in the near future. This will enable a heterogeneous design space that can offset the stringent resourc...