412 search results - page 47 / 83 » Aggregate queries over ontologies |
CASCON
2001
13 years 11 months ago
2001
On Line Analytical Processing (OLAP) aims at gaining useful information quickly from large amounts of data residing in a data warehouse. To improve the quickness of response to qu...
DEXA
2009
Springer
14 years 4 months ago
2009
Springer
SPARQL is today the standard access language for Semantic Web data. In the recent years XML databases have also acquired industrial importance due to the widespread applicability o...
SSDBM
2010
IEEE
14 years 3 months ago
2010
IEEE
With the growing focus on semantic searches and interpretations, an increasing number of standardized vocabularies and ontologies are being designed and used to describe data. We ...
PODS
2007
ACM
14 years 10 months ago
2007
ACM
IP packet streams consist of multiple interleaving IP flows. Statistical summaries of these streams, collected for different measurement periods, are used for characterization of ...
ICDE
2008
IEEE
14 years 11 months ago
2008
IEEE
Aggregation is among the core functionalities of OLAP systems. Frequently, such queries are issued in decision support systems to identify interesting groups of data. When more tha...