3652 search results - page 166 / 731 » A study of query length |
PODS
2005
ACM
14 years 8 months ago
2005
ACM
Owners of sources registered in an information integration system, which provides answers to a (potentially evolving) set of client queries, need to know their contribution to the...
DIS
2009
Springer
14 years 2 months ago
2009
Springer
The promotion analysis problem has been proposed in [16], where ranking-based promotion query processing techniques are studied to effectively and efficiently promote a given obje...
CIKM
2007
Springer
14 years 2 months ago
2007
Springer
With increasing amount of data being stored in XML format, OLAP queries over these data become important. OLAP queries have been well studied in the relational database systems. H...
JVA
2006
IEEE
14 years 2 months ago
2006
IEEE
In this paper, we will introduce to describe learning resources by using ontology model based on metadata of learning standard as Sharable Content Object Reference Model (SCORM) a...
IDEAS
2005
IEEE
14 years 1 months ago
2005
IEEE
We introduce and study a new class of queries that we refer to as ACMA (arithmetic constraints on multiple attributes) queries. Such combinatorial queries require the simultaneous...