124 search results - page 15 / 25 » PiQA: An Algebra for Querying Protein Data Sets |
VLDB
1997
ACM
13 years 11 months ago
1997
ACM
The result size of a query that involves multiple attributes from the same relation depends on these attributes’ joint data distribution,i.e., the frequencies of all combination...
NAR
2006
13 years 7 months ago
2006
Systemslevelinvestigationofgenomicscaleinformation requires the development of truly integrated databases dealing with heterogeneous data, which can be queried for simple properti...
BMCBI
2008
13 years 7 months ago
2008
Background: The process of horizontal gene transfer (HGT) is believed to be widespread in Bacteria and Archaea, but little comparative data is available addressing its occurrence ...
CIKM
2005
Springer
14 years 26 days ago
2005
Springer
We introduce the notion of views as a mechanism for securing and providing access control in the context of XML. Research in XML has explored several efficient querying mechanism...
ICDE
2007
IEEE
14 years 8 months ago
2007
IEEE
We introduce the notion of a data topology and the problem of topology search over databases. A data topology summarizes the set of all possible relationships that connect a given...